diff --git a/.eslintignore b/.eslintignore
index c01bc5b884..f8e9628593 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -2,7 +2,6 @@ node_modules
build
/.cache/
/public/static/styles.js
-examples/*/src/serviceWorker.js
/dist/
/lib/
/bin/
diff --git a/.nvmrc b/.nvmrc
index 4ed0741315..209e3ef4b6 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-v11.0.0
+20
diff --git a/.prettierignore b/.prettierignore
index 743fbf291e..6c42131bd2 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -1,7 +1,6 @@
node_modules
/.cache/
/public/static/styles.js
-examples/*/src/serviceWorker.js
/dist/
/lib/
/bin/
diff --git a/.stylelintignore b/.stylelintignore
index c01bc5b884..f8e9628593 100644
--- a/.stylelintignore
+++ b/.stylelintignore
@@ -2,7 +2,6 @@ node_modules
build
/.cache/
/public/static/styles.js
-examples/*/src/serviceWorker.js
/dist/
/lib/
/bin/
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index e526414b2f..0000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,8 +0,0 @@
-language: node_js
-node_js:
- - 11
-script:
- - yarn lint
- # - yarn test
- - yarn docs
-
diff --git a/Makefile b/Makefile
deleted file mode 100644
index 750afacfb8..0000000000
--- a/Makefile
+++ /dev/null
@@ -1,39 +0,0 @@
-.PHONY: netlify
-.PHONY: deploy example-build example-deps
-
-EXAMPLES_PATH = examples
-EXAMPLES = messaging team livestream commerce
-EXAMPLES_APPS = $(addprefix $(EXAMPLES_PATH)/,$(EXAMPLES))
-EXAMPLES_APPS_DEPS = $(addsuffix /node_modules/installed_dependencies,$(EXAMPLES_APPS))
-EXAMPLES_APPS_INDEX = $(addsuffix /build/index.html,$(EXAMPLES_APPS))
-
-SOURCES = $(filter(%$(EXAMPLES_PATH)/, $(wildcard *.js) $(wildcard */*.js) $(wildcard */*.scss) $(wildcard */*.png) $(wildcard */*.html) $(wildcard ../client/*/*.js) $(wildcard ../client/*.js))
-LIB_SOURCES = $(wildcard *.js) $(wildcard */*.js) $(wildcard */*.scss) $(wildcard */*.png) $(wildcard */*.html) $(wildcard ../client/*/*.js) $(wildcard ../client/*.js)
-
-CHAT_DEPS = ../client/package.json
-
-example-deps: $(EXAMPLES_APPS_DEPS)
-example-build: $(EXAMPLES_APPS_INDEX)
-
-$(EXAMPLES_APPS_DEPS): %/node_modules/installed_dependencies: %/yarn.lock %/package.json $(SOURCES) node_modules/installed_dependencies
- cd $* && yarn install
- touch $@
-
-.SECONDEXPANSION:
-$(EXAMPLES_APPS_INDEX): %/build/index.html: dist/built %/package.json %/node_modules/installed_dependencies $$(wildcard %/*.js) $$(wildcard %/*/*.js) $$(wildcard %/public/*) $(SOURCES)
- export SKIP_PREFLIGHT_CHECK=true && cd $* && yarn build
- touch $@
-
-node_modules/installed_dependencies: yarn.lock package.json
- yarn install
- touch $@
-
-dist/built: $(LIB_SOURCES) node_modules/installed_dependencies
- yarn build
- touch $@ q
-
-clean:
- rm -rf $(addsuffix /node_modules,$(EXAMPLES_APPS))
- rm -rf build
- rm -rf node_modules
-
diff --git a/README.md b/README.md
index 3da5d34a5b..c8027f7192 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,6 @@ You can read about that in the Chat API docs.
### Commands
-- yarn docs-server
- yarn lint-fix
- yarn lint
@@ -106,4 +105,3 @@ We welcome code changes that improve this library or fix a problem, please make
- [SonarQube Project](https://sonarqube.cloud-dev.wolterskluwer.eu/dashboard?id=clearfacts%3Astream-chat-react)
- [Black Duck Project](https://wolterskluwer.app.blackduck.com/api/projects/020282c9-1fde-46ea-a088-8c35c741f06d)
- [Checkmarx Project](https://test4tools.cchaxcess.com/CxWebClient/ProjectStateSummary.aspx?projectid=17858)
-
diff --git a/docs/Poweredby_100px-White_VertText.png b/docs/Poweredby_100px-White_VertText.png
deleted file mode 100644
index 629da47542..0000000000
Binary files a/docs/Poweredby_100px-White_VertText.png and /dev/null differ
diff --git a/docs/build/0.0f0c0a07.js b/docs/build/0.0f0c0a07.js
deleted file mode 100644
index 79d8642994..0000000000
--- a/docs/build/0.0f0c0a07.js
+++ /dev/null
@@ -1,115 +0,0 @@
-(window["webpackJsonp"] = window["webpackJsonp"] || []).push([[0],{
-
-/***/ "./node_modules/codemirror/lib/codemirror.js":
-/*!***************************************************!*\
- !*** ./node_modules/codemirror/lib/codemirror.js ***!
- \***************************************************/
-/*! no static exports found */
-/***/ (function(module, exports, __webpack_require__) {
-
-eval("// CodeMirror, copyright (c) by Marijn Haverbeke and others\n// Distributed under an MIT license: https://codemirror.net/LICENSE\n\n// This is CodeMirror (https://codemirror.net), a code editor\n// implemented in JavaScript on top of the browser's DOM.\n//\n// You can find some technical background for some of the code below\n// at http://marijnhaverbeke.nl/blog/#cm-internals .\n\n(function (global, factory) {\n true ? module.exports = factory() :\n undefined;\n}(this, (function () { 'use strict';\n\n // Kludges for bugs and behavior differences that can't be feature\n // detected are enabled based on userAgent etc sniffing.\n var userAgent = navigator.userAgent;\n var platform = navigator.platform;\n\n var gecko = /gecko\\/\\d/i.test(userAgent);\n var ie_upto10 = /MSIE \\d/.test(userAgent);\n var ie_11up = /Trident\\/(?:[7-9]|\\d{2,})\\..*rv:(\\d+)/.exec(userAgent);\n var edge = /Edge\\/(\\d+)/.exec(userAgent);\n var ie = ie_upto10 || ie_11up || edge;\n var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]);\n var webkit = !edge && /WebKit\\//.test(userAgent);\n var qtwebkit = webkit && /Qt\\/\\d+\\.\\d+/.test(userAgent);\n var chrome = !edge && /Chrome\\//.test(userAgent);\n var presto = /Opera\\//.test(userAgent);\n var safari = /Apple Computer/.test(navigator.vendor);\n var mac_geMountainLion = /Mac OS X 1\\d\\D([8-9]|\\d\\d)\\D/.test(userAgent);\n var phantom = /PhantomJS/.test(userAgent);\n\n var ios = !edge && /AppleWebKit/.test(userAgent) && /Mobile\\/\\w+/.test(userAgent);\n var android = /Android/.test(userAgent);\n // This is woefully incomplete. Suggestions for alternative methods welcome.\n var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);\n var mac = ios || /Mac/.test(platform);\n var chromeOS = /\\bCrOS\\b/.test(userAgent);\n var windows = /win/i.test(platform);\n\n var presto_version = presto && userAgent.match(/Version\\/(\\d*\\.\\d*)/);\n if (presto_version) { presto_version = Number(presto_version[1]); }\n if (presto_version && presto_version >= 15) { presto = false; webkit = true; }\n // Some browsers use the wrong event properties to signal cmd/ctrl on OS X\n var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));\n var captureRightClick = gecko || (ie && ie_version >= 9);\n\n function classTest(cls) { return new RegExp(\"(^|\\\\s)\" + cls + \"(?:$|\\\\s)\\\\s*\") }\n\n var rmClass = function(node, cls) {\n var current = node.className;\n var match = classTest(cls).exec(current);\n if (match) {\n var after = current.slice(match.index + match[0].length);\n node.className = current.slice(0, match.index) + (after ? match[1] + after : \"\");\n }\n };\n\n function removeChildren(e) {\n for (var count = e.childNodes.length; count > 0; --count)\n { e.removeChild(e.firstChild); }\n return e\n }\n\n function removeChildrenAndAdd(parent, e) {\n return removeChildren(parent).appendChild(e)\n }\n\n function elt(tag, content, className, style) {\n var e = document.createElement(tag);\n if (className) { e.className = className; }\n if (style) { e.style.cssText = style; }\n if (typeof content == \"string\") { e.appendChild(document.createTextNode(content)); }\n else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } }\n return e\n }\n // wrapper for elt, which removes the elt from the accessibility tree\n function eltP(tag, content, className, style) {\n var e = elt(tag, content, className, style);\n e.setAttribute(\"role\", \"presentation\");\n return e\n }\n\n var range;\n if (document.createRange) { range = function(node, start, end, endNode) {\n var r = document.createRange();\n r.setEnd(endNode || node, end);\n r.setStart(node, start);\n return r\n }; }\n else { range = function(node, start, end) {\n var r = document.body.createTextRange();\n try { r.moveToElementText(node.parentNode); }\n catch(e) { return r }\n r.collapse(true);\n r.moveEnd(\"character\", end);\n r.moveStart(\"character\", start);\n return r\n }; }\n\n function contains(parent, child) {\n if (child.nodeType == 3) // Android browser always returns false when child is a textnode\n { child = child.parentNode; }\n if (parent.contains)\n { return parent.contains(child) }\n do {\n if (child.nodeType == 11) { child = child.host; }\n if (child == parent) { return true }\n } while (child = child.parentNode)\n }\n\n function activeElt() {\n // IE and Edge may throw an \"Unspecified Error\" when accessing document.activeElement.\n // IE < 10 will throw when accessed while the page is loading or in an iframe.\n // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable.\n var activeElement;\n try {\n activeElement = document.activeElement;\n } catch(e) {\n activeElement = document.body || null;\n }\n while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement)\n { activeElement = activeElement.shadowRoot.activeElement; }\n return activeElement\n }\n\n function addClass(node, cls) {\n var current = node.className;\n if (!classTest(cls).test(current)) { node.className += (current ? \" \" : \"\") + cls; }\n }\n function joinClasses(a, b) {\n var as = a.split(\" \");\n for (var i = 0; i < as.length; i++)\n { if (as[i] && !classTest(as[i]).test(b)) { b += \" \" + as[i]; } }\n return b\n }\n\n var selectInput = function(node) { node.select(); };\n if (ios) // Mobile Safari apparently has a bug where select() is broken.\n { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; }\n else if (ie) // Suppress mysterious IE10 errors\n { selectInput = function(node) { try { node.select(); } catch(_e) {} }; }\n\n function bind(f) {\n var args = Array.prototype.slice.call(arguments, 1);\n return function(){return f.apply(null, args)}\n }\n\n function copyObj(obj, target, overwrite) {\n if (!target) { target = {}; }\n for (var prop in obj)\n { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))\n { target[prop] = obj[prop]; } }\n return target\n }\n\n // Counts the column offset in a string, taking tabs into account.\n // Used mostly to find indentation.\n function countColumn(string, end, tabSize, startIndex, startValue) {\n if (end == null) {\n end = string.search(/[^\\s\\u00a0]/);\n if (end == -1) { end = string.length; }\n }\n for (var i = startIndex || 0, n = startValue || 0;;) {\n var nextTab = string.indexOf(\"\\t\", i);\n if (nextTab < 0 || nextTab >= end)\n { return n + (end - i) }\n n += nextTab - i;\n n += tabSize - (n % tabSize);\n i = nextTab + 1;\n }\n }\n\n var Delayed = function() {this.id = null;};\n Delayed.prototype.set = function (ms, f) {\n clearTimeout(this.id);\n this.id = setTimeout(f, ms);\n };\n\n function indexOf(array, elt) {\n for (var i = 0; i < array.length; ++i)\n { if (array[i] == elt) { return i } }\n return -1\n }\n\n // Number of pixels added to scroller and sizer to hide scrollbar\n var scrollerGap = 30;\n\n // Returned or thrown by various protocols to signal 'I'm not\n // handling this'.\n var Pass = {toString: function(){return \"CodeMirror.Pass\"}};\n\n // Reused option objects for setSelection & friends\n var sel_dontScroll = {scroll: false}, sel_mouse = {origin: \"*mouse\"}, sel_move = {origin: \"+move\"};\n\n // The inverse of countColumn -- find the offset that corresponds to\n // a particular column.\n function findColumn(string, goal, tabSize) {\n for (var pos = 0, col = 0;;) {\n var nextTab = string.indexOf(\"\\t\", pos);\n if (nextTab == -1) { nextTab = string.length; }\n var skipped = nextTab - pos;\n if (nextTab == string.length || col + skipped >= goal)\n { return pos + Math.min(skipped, goal - col) }\n col += nextTab - pos;\n col += tabSize - (col % tabSize);\n pos = nextTab + 1;\n if (col >= goal) { return pos }\n }\n }\n\n var spaceStrs = [\"\"];\n function spaceStr(n) {\n while (spaceStrs.length <= n)\n { spaceStrs.push(lst(spaceStrs) + \" \"); }\n return spaceStrs[n]\n }\n\n function lst(arr) { return arr[arr.length-1] }\n\n function map(array, f) {\n var out = [];\n for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); }\n return out\n }\n\n function insertSorted(array, value, score) {\n var pos = 0, priority = score(value);\n while (pos < array.length && score(array[pos]) <= priority) { pos++; }\n array.splice(pos, 0, value);\n }\n\n function nothing() {}\n\n function createObj(base, props) {\n var inst;\n if (Object.create) {\n inst = Object.create(base);\n } else {\n nothing.prototype = base;\n inst = new nothing();\n }\n if (props) { copyObj(props, inst); }\n return inst\n }\n\n var nonASCIISingleCaseWordChar = /[\\u00df\\u0587\\u0590-\\u05f4\\u0600-\\u06ff\\u3040-\\u309f\\u30a0-\\u30ff\\u3400-\\u4db5\\u4e00-\\u9fcc\\uac00-\\ud7af]/;\n function isWordCharBasic(ch) {\n return /\\w/.test(ch) || ch > \"\\x80\" &&\n (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch))\n }\n function isWordChar(ch, helper) {\n if (!helper) { return isWordCharBasic(ch) }\n if (helper.source.indexOf(\"\\\\w\") > -1 && isWordCharBasic(ch)) { return true }\n return helper.test(ch)\n }\n\n function isEmpty(obj) {\n for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } }\n return true\n }\n\n // Extending unicode characters. A series of a non-extending char +\n // any number of extending chars is treated as a single unit as far\n // as editing and measuring is concerned. This is not fully correct,\n // since some scripts/fonts/browsers also treat other configurations\n // of code points as a group.\n var extendingChars = /[\\u0300-\\u036f\\u0483-\\u0489\\u0591-\\u05bd\\u05bf\\u05c1\\u05c2\\u05c4\\u05c5\\u05c7\\u0610-\\u061a\\u064b-\\u065e\\u0670\\u06d6-\\u06dc\\u06de-\\u06e4\\u06e7\\u06e8\\u06ea-\\u06ed\\u0711\\u0730-\\u074a\\u07a6-\\u07b0\\u07eb-\\u07f3\\u0816-\\u0819\\u081b-\\u0823\\u0825-\\u0827\\u0829-\\u082d\\u0900-\\u0902\\u093c\\u0941-\\u0948\\u094d\\u0951-\\u0955\\u0962\\u0963\\u0981\\u09bc\\u09be\\u09c1-\\u09c4\\u09cd\\u09d7\\u09e2\\u09e3\\u0a01\\u0a02\\u0a3c\\u0a41\\u0a42\\u0a47\\u0a48\\u0a4b-\\u0a4d\\u0a51\\u0a70\\u0a71\\u0a75\\u0a81\\u0a82\\u0abc\\u0ac1-\\u0ac5\\u0ac7\\u0ac8\\u0acd\\u0ae2\\u0ae3\\u0b01\\u0b3c\\u0b3e\\u0b3f\\u0b41-\\u0b44\\u0b4d\\u0b56\\u0b57\\u0b62\\u0b63\\u0b82\\u0bbe\\u0bc0\\u0bcd\\u0bd7\\u0c3e-\\u0c40\\u0c46-\\u0c48\\u0c4a-\\u0c4d\\u0c55\\u0c56\\u0c62\\u0c63\\u0cbc\\u0cbf\\u0cc2\\u0cc6\\u0ccc\\u0ccd\\u0cd5\\u0cd6\\u0ce2\\u0ce3\\u0d3e\\u0d41-\\u0d44\\u0d4d\\u0d57\\u0d62\\u0d63\\u0dca\\u0dcf\\u0dd2-\\u0dd4\\u0dd6\\u0ddf\\u0e31\\u0e34-\\u0e3a\\u0e47-\\u0e4e\\u0eb1\\u0eb4-\\u0eb9\\u0ebb\\u0ebc\\u0ec8-\\u0ecd\\u0f18\\u0f19\\u0f35\\u0f37\\u0f39\\u0f71-\\u0f7e\\u0f80-\\u0f84\\u0f86\\u0f87\\u0f90-\\u0f97\\u0f99-\\u0fbc\\u0fc6\\u102d-\\u1030\\u1032-\\u1037\\u1039\\u103a\\u103d\\u103e\\u1058\\u1059\\u105e-\\u1060\\u1071-\\u1074\\u1082\\u1085\\u1086\\u108d\\u109d\\u135f\\u1712-\\u1714\\u1732-\\u1734\\u1752\\u1753\\u1772\\u1773\\u17b7-\\u17bd\\u17c6\\u17c9-\\u17d3\\u17dd\\u180b-\\u180d\\u18a9\\u1920-\\u1922\\u1927\\u1928\\u1932\\u1939-\\u193b\\u1a17\\u1a18\\u1a56\\u1a58-\\u1a5e\\u1a60\\u1a62\\u1a65-\\u1a6c\\u1a73-\\u1a7c\\u1a7f\\u1b00-\\u1b03\\u1b34\\u1b36-\\u1b3a\\u1b3c\\u1b42\\u1b6b-\\u1b73\\u1b80\\u1b81\\u1ba2-\\u1ba5\\u1ba8\\u1ba9\\u1c2c-\\u1c33\\u1c36\\u1c37\\u1cd0-\\u1cd2\\u1cd4-\\u1ce0\\u1ce2-\\u1ce8\\u1ced\\u1dc0-\\u1de6\\u1dfd-\\u1dff\\u200c\\u200d\\u20d0-\\u20f0\\u2cef-\\u2cf1\\u2de0-\\u2dff\\u302a-\\u302f\\u3099\\u309a\\ua66f-\\ua672\\ua67c\\ua67d\\ua6f0\\ua6f1\\ua802\\ua806\\ua80b\\ua825\\ua826\\ua8c4\\ua8e0-\\ua8f1\\ua926-\\ua92d\\ua947-\\ua951\\ua980-\\ua982\\ua9b3\\ua9b6-\\ua9b9\\ua9bc\\uaa29-\\uaa2e\\uaa31\\uaa32\\uaa35\\uaa36\\uaa43\\uaa4c\\uaab0\\uaab2-\\uaab4\\uaab7\\uaab8\\uaabe\\uaabf\\uaac1\\uabe5\\uabe8\\uabed\\udc00-\\udfff\\ufb1e\\ufe00-\\ufe0f\\ufe20-\\ufe26\\uff9e\\uff9f]/;\n function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) }\n\n // Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range.\n function skipExtendingChars(str, pos, dir) {\n while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; }\n return pos\n }\n\n // Returns the value from the range [`from`; `to`] that satisfies\n // `pred` and is closest to `from`. Assumes that at least `to`\n // satisfies `pred`. Supports `from` being greater than `to`.\n function findFirst(pred, from, to) {\n // At any point we are certain `to` satisfies `pred`, don't know\n // whether `from` does.\n var dir = from > to ? -1 : 1;\n for (;;) {\n if (from == to) { return from }\n var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF);\n if (mid == from) { return pred(mid) ? from : to }\n if (pred(mid)) { to = mid; }\n else { from = mid + dir; }\n }\n }\n\n // BIDI HELPERS\n\n function iterateBidiSections(order, from, to, f) {\n if (!order) { return f(from, to, \"ltr\", 0) }\n var found = false;\n for (var i = 0; i < order.length; ++i) {\n var part = order[i];\n if (part.from < to && part.to > from || from == to && part.to == from) {\n f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? \"rtl\" : \"ltr\", i);\n found = true;\n }\n }\n if (!found) { f(from, to, \"ltr\"); }\n }\n\n var bidiOther = null;\n function getBidiPartAt(order, ch, sticky) {\n var found;\n bidiOther = null;\n for (var i = 0; i < order.length; ++i) {\n var cur = order[i];\n if (cur.from < ch && cur.to > ch) { return i }\n if (cur.to == ch) {\n if (cur.from != cur.to && sticky == \"before\") { found = i; }\n else { bidiOther = i; }\n }\n if (cur.from == ch) {\n if (cur.from != cur.to && sticky != \"before\") { found = i; }\n else { bidiOther = i; }\n }\n }\n return found != null ? found : bidiOther\n }\n\n // Bidirectional ordering algorithm\n // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm\n // that this (partially) implements.\n\n // One-char codes used for character types:\n // L (L): Left-to-Right\n // R (R): Right-to-Left\n // r (AL): Right-to-Left Arabic\n // 1 (EN): European Number\n // + (ES): European Number Separator\n // % (ET): European Number Terminator\n // n (AN): Arabic Number\n // , (CS): Common Number Separator\n // m (NSM): Non-Spacing Mark\n // b (BN): Boundary Neutral\n // s (B): Paragraph Separator\n // t (S): Segment Separator\n // w (WS): Whitespace\n // N (ON): Other Neutrals\n\n // Returns null if characters are ordered as they appear\n // (left-to-right), or an array of sections ({from, to, level}\n // objects) in the order in which they occur visually.\n var bidiOrdering = (function() {\n // Character types for codepoints 0 to 0xff\n var lowTypes = \"bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN\";\n // Character types for codepoints 0x600 to 0x6f9\n var arabicTypes = \"nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111\";\n function charType(code) {\n if (code <= 0xf7) { return lowTypes.charAt(code) }\n else if (0x590 <= code && code <= 0x5f4) { return \"R\" }\n else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) }\n else if (0x6ee <= code && code <= 0x8ac) { return \"r\" }\n else if (0x2000 <= code && code <= 0x200b) { return \"w\" }\n else if (code == 0x200c) { return \"b\" }\n else { return \"L\" }\n }\n\n var bidiRE = /[\\u0590-\\u05f4\\u0600-\\u06ff\\u0700-\\u08ac]/;\n var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;\n\n function BidiSpan(level, from, to) {\n this.level = level;\n this.from = from; this.to = to;\n }\n\n return function(str, direction) {\n var outerType = direction == \"ltr\" ? \"L\" : \"R\";\n\n if (str.length == 0 || direction == \"ltr\" && !bidiRE.test(str)) { return false }\n var len = str.length, types = [];\n for (var i = 0; i < len; ++i)\n { types.push(charType(str.charCodeAt(i))); }\n\n // W1. Examine each non-spacing mark (NSM) in the level run, and\n // change the type of the NSM to the type of the previous\n // character. If the NSM is at the start of the level run, it will\n // get the type of sor.\n for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) {\n var type = types[i$1];\n if (type == \"m\") { types[i$1] = prev; }\n else { prev = type; }\n }\n\n // W2. Search backwards from each instance of a European number\n // until the first strong type (R, L, AL, or sor) is found. If an\n // AL is found, change the type of the European number to Arabic\n // number.\n // W3. Change all ALs to R.\n for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) {\n var type$1 = types[i$2];\n if (type$1 == \"1\" && cur == \"r\") { types[i$2] = \"n\"; }\n else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == \"r\") { types[i$2] = \"R\"; } }\n }\n\n // W4. A single European separator between two European numbers\n // changes to a European number. A single common separator between\n // two numbers of the same type changes to that type.\n for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) {\n var type$2 = types[i$3];\n if (type$2 == \"+\" && prev$1 == \"1\" && types[i$3+1] == \"1\") { types[i$3] = \"1\"; }\n else if (type$2 == \",\" && prev$1 == types[i$3+1] &&\n (prev$1 == \"1\" || prev$1 == \"n\")) { types[i$3] = prev$1; }\n prev$1 = type$2;\n }\n\n // W5. A sequence of European terminators adjacent to European\n // numbers changes to all European numbers.\n // W6. Otherwise, separators and terminators change to Other\n // Neutral.\n for (var i$4 = 0; i$4 < len; ++i$4) {\n var type$3 = types[i$4];\n if (type$3 == \",\") { types[i$4] = \"N\"; }\n else if (type$3 == \"%\") {\n var end = (void 0);\n for (end = i$4 + 1; end < len && types[end] == \"%\"; ++end) {}\n var replace = (i$4 && types[i$4-1] == \"!\") || (end < len && types[end] == \"1\") ? \"1\" : \"N\";\n for (var j = i$4; j < end; ++j) { types[j] = replace; }\n i$4 = end - 1;\n }\n }\n\n // W7. Search backwards from each instance of a European number\n // until the first strong type (R, L, or sor) is found. If an L is\n // found, then change the type of the European number to L.\n for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) {\n var type$4 = types[i$5];\n if (cur$1 == \"L\" && type$4 == \"1\") { types[i$5] = \"L\"; }\n else if (isStrong.test(type$4)) { cur$1 = type$4; }\n }\n\n // N1. A sequence of neutrals takes the direction of the\n // surrounding strong text if the text on both sides has the same\n // direction. European and Arabic numbers act as if they were R in\n // terms of their influence on neutrals. Start-of-level-run (sor)\n // and end-of-level-run (eor) are used at level run boundaries.\n // N2. Any remaining neutrals take the embedding direction.\n for (var i$6 = 0; i$6 < len; ++i$6) {\n if (isNeutral.test(types[i$6])) {\n var end$1 = (void 0);\n for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {}\n var before = (i$6 ? types[i$6-1] : outerType) == \"L\";\n var after = (end$1 < len ? types[end$1] : outerType) == \"L\";\n var replace$1 = before == after ? (before ? \"L\" : \"R\") : outerType;\n for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; }\n i$6 = end$1 - 1;\n }\n }\n\n // Here we depart from the documented algorithm, in order to avoid\n // building up an actual levels array. Since there are only three\n // levels (0, 1, 2) in an implementation that doesn't take\n // explicit embedding into account, we can build up the order on\n // the fly, without following the level-based algorithm.\n var order = [], m;\n for (var i$7 = 0; i$7 < len;) {\n if (countsAsLeft.test(types[i$7])) {\n var start = i$7;\n for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {}\n order.push(new BidiSpan(0, start, i$7));\n } else {\n var pos = i$7, at = order.length;\n for (++i$7; i$7 < len && types[i$7] != \"L\"; ++i$7) {}\n for (var j$2 = pos; j$2 < i$7;) {\n if (countsAsNum.test(types[j$2])) {\n if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); }\n var nstart = j$2;\n for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {}\n order.splice(at, 0, new BidiSpan(2, nstart, j$2));\n pos = j$2;\n } else { ++j$2; }\n }\n if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); }\n }\n }\n if (direction == \"ltr\") {\n if (order[0].level == 1 && (m = str.match(/^\\s+/))) {\n order[0].from = m[0].length;\n order.unshift(new BidiSpan(0, 0, m[0].length));\n }\n if (lst(order).level == 1 && (m = str.match(/\\s+$/))) {\n lst(order).to -= m[0].length;\n order.push(new BidiSpan(0, len - m[0].length, len));\n }\n }\n\n return direction == \"rtl\" ? order.reverse() : order\n }\n })();\n\n // Get the bidi ordering for the given line (and cache it). Returns\n // false for lines that are fully left-to-right, and an array of\n // BidiSpan objects otherwise.\n function getOrder(line, direction) {\n var order = line.order;\n if (order == null) { order = line.order = bidiOrdering(line.text, direction); }\n return order\n }\n\n // EVENT HANDLING\n\n // Lightweight event framework. on/off also work on DOM nodes,\n // registering native DOM handlers.\n\n var noHandlers = [];\n\n var on = function(emitter, type, f) {\n if (emitter.addEventListener) {\n emitter.addEventListener(type, f, false);\n } else if (emitter.attachEvent) {\n emitter.attachEvent(\"on\" + type, f);\n } else {\n var map$$1 = emitter._handlers || (emitter._handlers = {});\n map$$1[type] = (map$$1[type] || noHandlers).concat(f);\n }\n };\n\n function getHandlers(emitter, type) {\n return emitter._handlers && emitter._handlers[type] || noHandlers\n }\n\n function off(emitter, type, f) {\n if (emitter.removeEventListener) {\n emitter.removeEventListener(type, f, false);\n } else if (emitter.detachEvent) {\n emitter.detachEvent(\"on\" + type, f);\n } else {\n var map$$1 = emitter._handlers, arr = map$$1 && map$$1[type];\n if (arr) {\n var index = indexOf(arr, f);\n if (index > -1)\n { map$$1[type] = arr.slice(0, index).concat(arr.slice(index + 1)); }\n }\n }\n }\n\n function signal(emitter, type /*, values...*/) {\n var handlers = getHandlers(emitter, type);\n if (!handlers.length) { return }\n var args = Array.prototype.slice.call(arguments, 2);\n for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); }\n }\n\n // The DOM events that CodeMirror handles can be overridden by\n // registering a (non-DOM) handler on the editor for the event name,\n // and preventDefault-ing the event in that handler.\n function signalDOMEvent(cm, e, override) {\n if (typeof e == \"string\")\n { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; }\n signal(cm, override || e.type, cm, e);\n return e_defaultPrevented(e) || e.codemirrorIgnore\n }\n\n function signalCursorActivity(cm) {\n var arr = cm._handlers && cm._handlers.cursorActivity;\n if (!arr) { return }\n var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);\n for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1)\n { set.push(arr[i]); } }\n }\n\n function hasHandler(emitter, type) {\n return getHandlers(emitter, type).length > 0\n }\n\n // Add on and off methods to a constructor's prototype, to make\n // registering events on such objects more convenient.\n function eventMixin(ctor) {\n ctor.prototype.on = function(type, f) {on(this, type, f);};\n ctor.prototype.off = function(type, f) {off(this, type, f);};\n }\n\n // Due to the fact that we still support jurassic IE versions, some\n // compatibility wrappers are needed.\n\n function e_preventDefault(e) {\n if (e.preventDefault) { e.preventDefault(); }\n else { e.returnValue = false; }\n }\n function e_stopPropagation(e) {\n if (e.stopPropagation) { e.stopPropagation(); }\n else { e.cancelBubble = true; }\n }\n function e_defaultPrevented(e) {\n return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false\n }\n function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}\n\n function e_target(e) {return e.target || e.srcElement}\n function e_button(e) {\n var b = e.which;\n if (b == null) {\n if (e.button & 1) { b = 1; }\n else if (e.button & 2) { b = 3; }\n else if (e.button & 4) { b = 2; }\n }\n if (mac && e.ctrlKey && b == 1) { b = 3; }\n return b\n }\n\n // Detect drag-and-drop\n var dragAndDrop = function() {\n // There is *some* kind of drag-and-drop support in IE6-8, but I\n // couldn't get it to work yet.\n if (ie && ie_version < 9) { return false }\n var div = elt('div');\n return \"draggable\" in div || \"dragDrop\" in div\n }();\n\n var zwspSupported;\n function zeroWidthElement(measure) {\n if (zwspSupported == null) {\n var test = elt(\"span\", \"\\u200b\");\n removeChildrenAndAdd(measure, elt(\"span\", [test, document.createTextNode(\"x\")]));\n if (measure.firstChild.offsetHeight != 0)\n { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); }\n }\n var node = zwspSupported ? elt(\"span\", \"\\u200b\") :\n elt(\"span\", \"\\u00a0\", null, \"display: inline-block; width: 1px; margin-right: -1px\");\n node.setAttribute(\"cm-text\", \"\");\n return node\n }\n\n // Feature-detect IE's crummy client rect reporting for bidi text\n var badBidiRects;\n function hasBadBidiRects(measure) {\n if (badBidiRects != null) { return badBidiRects }\n var txt = removeChildrenAndAdd(measure, document.createTextNode(\"A\\u062eA\"));\n var r0 = range(txt, 0, 1).getBoundingClientRect();\n var r1 = range(txt, 1, 2).getBoundingClientRect();\n removeChildren(measure);\n if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780)\n return badBidiRects = (r1.right - r0.right < 3)\n }\n\n // See if \"\".split is the broken IE version, if so, provide an\n // alternative way to split lines.\n var splitLinesAuto = \"\\n\\nb\".split(/\\n/).length != 3 ? function (string) {\n var pos = 0, result = [], l = string.length;\n while (pos <= l) {\n var nl = string.indexOf(\"\\n\", pos);\n if (nl == -1) { nl = string.length; }\n var line = string.slice(pos, string.charAt(nl - 1) == \"\\r\" ? nl - 1 : nl);\n var rt = line.indexOf(\"\\r\");\n if (rt != -1) {\n result.push(line.slice(0, rt));\n pos += rt + 1;\n } else {\n result.push(line);\n pos = nl + 1;\n }\n }\n return result\n } : function (string) { return string.split(/\\r\\n?|\\n/); };\n\n var hasSelection = window.getSelection ? function (te) {\n try { return te.selectionStart != te.selectionEnd }\n catch(e) { return false }\n } : function (te) {\n var range$$1;\n try {range$$1 = te.ownerDocument.selection.createRange();}\n catch(e) {}\n if (!range$$1 || range$$1.parentElement() != te) { return false }\n return range$$1.compareEndPoints(\"StartToEnd\", range$$1) != 0\n };\n\n var hasCopyEvent = (function () {\n var e = elt(\"div\");\n if (\"oncopy\" in e) { return true }\n e.setAttribute(\"oncopy\", \"return;\");\n return typeof e.oncopy == \"function\"\n })();\n\n var badZoomedRects = null;\n function hasBadZoomedRects(measure) {\n if (badZoomedRects != null) { return badZoomedRects }\n var node = removeChildrenAndAdd(measure, elt(\"span\", \"x\"));\n var normal = node.getBoundingClientRect();\n var fromRange = range(node, 0, 1).getBoundingClientRect();\n return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1\n }\n\n // Known modes, by name and by MIME\n var modes = {}, mimeModes = {};\n\n // Extra arguments are stored as the mode's dependencies, which is\n // used by (legacy) mechanisms like loadmode.js to automatically\n // load a mode. (Preferred mechanism is the require/define calls.)\n function defineMode(name, mode) {\n if (arguments.length > 2)\n { mode.dependencies = Array.prototype.slice.call(arguments, 2); }\n modes[name] = mode;\n }\n\n function defineMIME(mime, spec) {\n mimeModes[mime] = spec;\n }\n\n // Given a MIME type, a {name, ...options} config object, or a name\n // string, return a mode config object.\n function resolveMode(spec) {\n if (typeof spec == \"string\" && mimeModes.hasOwnProperty(spec)) {\n spec = mimeModes[spec];\n } else if (spec && typeof spec.name == \"string\" && mimeModes.hasOwnProperty(spec.name)) {\n var found = mimeModes[spec.name];\n if (typeof found == \"string\") { found = {name: found}; }\n spec = createObj(found, spec);\n spec.name = found.name;\n } else if (typeof spec == \"string\" && /^[\\w\\-]+\\/[\\w\\-]+\\+xml$/.test(spec)) {\n return resolveMode(\"application/xml\")\n } else if (typeof spec == \"string\" && /^[\\w\\-]+\\/[\\w\\-]+\\+json$/.test(spec)) {\n return resolveMode(\"application/json\")\n }\n if (typeof spec == \"string\") { return {name: spec} }\n else { return spec || {name: \"null\"} }\n }\n\n // Given a mode spec (anything that resolveMode accepts), find and\n // initialize an actual mode object.\n function getMode(options, spec) {\n spec = resolveMode(spec);\n var mfactory = modes[spec.name];\n if (!mfactory) { return getMode(options, \"text/plain\") }\n var modeObj = mfactory(options, spec);\n if (modeExtensions.hasOwnProperty(spec.name)) {\n var exts = modeExtensions[spec.name];\n for (var prop in exts) {\n if (!exts.hasOwnProperty(prop)) { continue }\n if (modeObj.hasOwnProperty(prop)) { modeObj[\"_\" + prop] = modeObj[prop]; }\n modeObj[prop] = exts[prop];\n }\n }\n modeObj.name = spec.name;\n if (spec.helperType) { modeObj.helperType = spec.helperType; }\n if (spec.modeProps) { for (var prop$1 in spec.modeProps)\n { modeObj[prop$1] = spec.modeProps[prop$1]; } }\n\n return modeObj\n }\n\n // This can be used to attach properties to mode objects from\n // outside the actual mode definition.\n var modeExtensions = {};\n function extendMode(mode, properties) {\n var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});\n copyObj(properties, exts);\n }\n\n function copyState(mode, state) {\n if (state === true) { return state }\n if (mode.copyState) { return mode.copyState(state) }\n var nstate = {};\n for (var n in state) {\n var val = state[n];\n if (val instanceof Array) { val = val.concat([]); }\n nstate[n] = val;\n }\n return nstate\n }\n\n // Given a mode and a state (for that mode), find the inner mode and\n // state at the position that the state refers to.\n function innerMode(mode, state) {\n var info;\n while (mode.innerMode) {\n info = mode.innerMode(state);\n if (!info || info.mode == mode) { break }\n state = info.state;\n mode = info.mode;\n }\n return info || {mode: mode, state: state}\n }\n\n function startState(mode, a1, a2) {\n return mode.startState ? mode.startState(a1, a2) : true\n }\n\n // STRING STREAM\n\n // Fed to the mode parsers, provides helper functions to make\n // parsers more succinct.\n\n var StringStream = function(string, tabSize, lineOracle) {\n this.pos = this.start = 0;\n this.string = string;\n this.tabSize = tabSize || 8;\n this.lastColumnPos = this.lastColumnValue = 0;\n this.lineStart = 0;\n this.lineOracle = lineOracle;\n };\n\n StringStream.prototype.eol = function () {return this.pos >= this.string.length};\n StringStream.prototype.sol = function () {return this.pos == this.lineStart};\n StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};\n StringStream.prototype.next = function () {\n if (this.pos < this.string.length)\n { return this.string.charAt(this.pos++) }\n };\n StringStream.prototype.eat = function (match) {\n var ch = this.string.charAt(this.pos);\n var ok;\n if (typeof match == \"string\") { ok = ch == match; }\n else { ok = ch && (match.test ? match.test(ch) : match(ch)); }\n if (ok) {++this.pos; return ch}\n };\n StringStream.prototype.eatWhile = function (match) {\n var start = this.pos;\n while (this.eat(match)){}\n return this.pos > start\n };\n StringStream.prototype.eatSpace = function () {\n var this$1 = this;\n\n var start = this.pos;\n while (/[\\s\\u00a0]/.test(this.string.charAt(this.pos))) { ++this$1.pos; }\n return this.pos > start\n };\n StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;};\n StringStream.prototype.skipTo = function (ch) {\n var found = this.string.indexOf(ch, this.pos);\n if (found > -1) {this.pos = found; return true}\n };\n StringStream.prototype.backUp = function (n) {this.pos -= n;};\n StringStream.prototype.column = function () {\n if (this.lastColumnPos < this.start) {\n this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);\n this.lastColumnPos = this.start;\n }\n return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)\n };\n StringStream.prototype.indentation = function () {\n return countColumn(this.string, null, this.tabSize) -\n (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)\n };\n StringStream.prototype.match = function (pattern, consume, caseInsensitive) {\n if (typeof pattern == \"string\") {\n var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; };\n var substr = this.string.substr(this.pos, pattern.length);\n if (cased(substr) == cased(pattern)) {\n if (consume !== false) { this.pos += pattern.length; }\n return true\n }\n } else {\n var match = this.string.slice(this.pos).match(pattern);\n if (match && match.index > 0) { return null }\n if (match && consume !== false) { this.pos += match[0].length; }\n return match\n }\n };\n StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};\n StringStream.prototype.hideFirstChars = function (n, inner) {\n this.lineStart += n;\n try { return inner() }\n finally { this.lineStart -= n; }\n };\n StringStream.prototype.lookAhead = function (n) {\n var oracle = this.lineOracle;\n return oracle && oracle.lookAhead(n)\n };\n StringStream.prototype.baseToken = function () {\n var oracle = this.lineOracle;\n return oracle && oracle.baseToken(this.pos)\n };\n\n // Find the line object corresponding to the given line number.\n function getLine(doc, n) {\n n -= doc.first;\n if (n < 0 || n >= doc.size) { throw new Error(\"There is no line \" + (n + doc.first) + \" in the document.\") }\n var chunk = doc;\n while (!chunk.lines) {\n for (var i = 0;; ++i) {\n var child = chunk.children[i], sz = child.chunkSize();\n if (n < sz) { chunk = child; break }\n n -= sz;\n }\n }\n return chunk.lines[n]\n }\n\n // Get the part of a document between two positions, as an array of\n // strings.\n function getBetween(doc, start, end) {\n var out = [], n = start.line;\n doc.iter(start.line, end.line + 1, function (line) {\n var text = line.text;\n if (n == end.line) { text = text.slice(0, end.ch); }\n if (n == start.line) { text = text.slice(start.ch); }\n out.push(text);\n ++n;\n });\n return out\n }\n // Get the lines between from and to, as array of strings.\n function getLines(doc, from, to) {\n var out = [];\n doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value\n return out\n }\n\n // Update the height of a line, propagating the height change\n // upwards to parent nodes.\n function updateLineHeight(line, height) {\n var diff = height - line.height;\n if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } }\n }\n\n // Given a line object, find its line number by walking up through\n // its parent links.\n function lineNo(line) {\n if (line.parent == null) { return null }\n var cur = line.parent, no = indexOf(cur.lines, line);\n for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {\n for (var i = 0;; ++i) {\n if (chunk.children[i] == cur) { break }\n no += chunk.children[i].chunkSize();\n }\n }\n return no + cur.first\n }\n\n // Find the line at the given vertical position, using the height\n // information in the document tree.\n function lineAtHeight(chunk, h) {\n var n = chunk.first;\n outer: do {\n for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) {\n var child = chunk.children[i$1], ch = child.height;\n if (h < ch) { chunk = child; continue outer }\n h -= ch;\n n += child.chunkSize();\n }\n return n\n } while (!chunk.lines)\n var i = 0;\n for (; i < chunk.lines.length; ++i) {\n var line = chunk.lines[i], lh = line.height;\n if (h < lh) { break }\n h -= lh;\n }\n return n + i\n }\n\n function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size}\n\n function lineNumberFor(options, i) {\n return String(options.lineNumberFormatter(i + options.firstLineNumber))\n }\n\n // A Pos instance represents a position within the text.\n function Pos(line, ch, sticky) {\n if ( sticky === void 0 ) sticky = null;\n\n if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) }\n this.line = line;\n this.ch = ch;\n this.sticky = sticky;\n }\n\n // Compare two positions, return 0 if they are the same, a negative\n // number when a is less, and a positive number otherwise.\n function cmp(a, b) { return a.line - b.line || a.ch - b.ch }\n\n function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 }\n\n function copyPos(x) {return Pos(x.line, x.ch)}\n function maxPos(a, b) { return cmp(a, b) < 0 ? b : a }\n function minPos(a, b) { return cmp(a, b) < 0 ? a : b }\n\n // Most of the external API clips given positions to make sure they\n // actually exist within the document.\n function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))}\n function clipPos(doc, pos) {\n if (pos.line < doc.first) { return Pos(doc.first, 0) }\n var last = doc.first + doc.size - 1;\n if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) }\n return clipToLen(pos, getLine(doc, pos.line).text.length)\n }\n function clipToLen(pos, linelen) {\n var ch = pos.ch;\n if (ch == null || ch > linelen) { return Pos(pos.line, linelen) }\n else if (ch < 0) { return Pos(pos.line, 0) }\n else { return pos }\n }\n function clipPosArray(doc, array) {\n var out = [];\n for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); }\n return out\n }\n\n var SavedContext = function(state, lookAhead) {\n this.state = state;\n this.lookAhead = lookAhead;\n };\n\n var Context = function(doc, state, line, lookAhead) {\n this.state = state;\n this.doc = doc;\n this.line = line;\n this.maxLookAhead = lookAhead || 0;\n this.baseTokens = null;\n this.baseTokenPos = 1;\n };\n\n Context.prototype.lookAhead = function (n) {\n var line = this.doc.getLine(this.line + n);\n if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; }\n return line\n };\n\n Context.prototype.baseToken = function (n) {\n var this$1 = this;\n\n if (!this.baseTokens) { return null }\n while (this.baseTokens[this.baseTokenPos] <= n)\n { this$1.baseTokenPos += 2; }\n var type = this.baseTokens[this.baseTokenPos + 1];\n return {type: type && type.replace(/( |^)overlay .*/, \"\"),\n size: this.baseTokens[this.baseTokenPos] - n}\n };\n\n Context.prototype.nextLine = function () {\n this.line++;\n if (this.maxLookAhead > 0) { this.maxLookAhead--; }\n };\n\n Context.fromSaved = function (doc, saved, line) {\n if (saved instanceof SavedContext)\n { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) }\n else\n { return new Context(doc, copyState(doc.mode, saved), line) }\n };\n\n Context.prototype.save = function (copy) {\n var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state;\n return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state\n };\n\n\n // Compute a style array (an array starting with a mode generation\n // -- for invalidation -- followed by pairs of end positions and\n // style strings), which is used to highlight the tokens on the\n // line.\n function highlightLine(cm, line, context, forceToEnd) {\n // A styles array always starts with a number identifying the\n // mode/overlays that it is based on (for easy invalidation).\n var st = [cm.state.modeGen], lineClasses = {};\n // Compute the base array of styles\n runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); },\n lineClasses, forceToEnd);\n var state = context.state;\n\n // Run overlays, adjust style array.\n var loop = function ( o ) {\n context.baseTokens = st;\n var overlay = cm.state.overlays[o], i = 1, at = 0;\n context.state = true;\n runMode(cm, line.text, overlay.mode, context, function (end, style) {\n var start = i;\n // Ensure there's a token end at the current position, and that i points at it\n while (at < end) {\n var i_end = st[i];\n if (i_end > end)\n { st.splice(i, 1, end, st[i+1], i_end); }\n i += 2;\n at = Math.min(end, i_end);\n }\n if (!style) { return }\n if (overlay.opaque) {\n st.splice(start, i - start, end, \"overlay \" + style);\n i = start + 2;\n } else {\n for (; start < i; start += 2) {\n var cur = st[start+1];\n st[start+1] = (cur ? cur + \" \" : \"\") + \"overlay \" + style;\n }\n }\n }, lineClasses);\n context.state = state;\n context.baseTokens = null;\n context.baseTokenPos = 1;\n };\n\n for (var o = 0; o < cm.state.overlays.length; ++o) loop( o );\n\n return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}\n }\n\n function getLineStyles(cm, line, updateFrontier) {\n if (!line.styles || line.styles[0] != cm.state.modeGen) {\n var context = getContextBefore(cm, lineNo(line));\n var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state);\n var result = highlightLine(cm, line, context);\n if (resetState) { context.state = resetState; }\n line.stateAfter = context.save(!resetState);\n line.styles = result.styles;\n if (result.classes) { line.styleClasses = result.classes; }\n else if (line.styleClasses) { line.styleClasses = null; }\n if (updateFrontier === cm.doc.highlightFrontier)\n { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); }\n }\n return line.styles\n }\n\n function getContextBefore(cm, n, precise) {\n var doc = cm.doc, display = cm.display;\n if (!doc.mode.startState) { return new Context(doc, true, n) }\n var start = findStartLine(cm, n, precise);\n var saved = start > doc.first && getLine(doc, start - 1).stateAfter;\n var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start);\n\n doc.iter(start, n, function (line) {\n processLine(cm, line.text, context);\n var pos = context.line;\n line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null;\n context.nextLine();\n });\n if (precise) { doc.modeFrontier = context.line; }\n return context\n }\n\n // Lightweight form of highlight -- proceed over this line and\n // update state, but don't save a style array. Used for lines that\n // aren't currently visible.\n function processLine(cm, text, context, startAt) {\n var mode = cm.doc.mode;\n var stream = new StringStream(text, cm.options.tabSize, context);\n stream.start = stream.pos = startAt || 0;\n if (text == \"\") { callBlankLine(mode, context.state); }\n while (!stream.eol()) {\n readToken(mode, stream, context.state);\n stream.start = stream.pos;\n }\n }\n\n function callBlankLine(mode, state) {\n if (mode.blankLine) { return mode.blankLine(state) }\n if (!mode.innerMode) { return }\n var inner = innerMode(mode, state);\n if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) }\n }\n\n function readToken(mode, stream, state, inner) {\n for (var i = 0; i < 10; i++) {\n if (inner) { inner[0] = innerMode(mode, state).mode; }\n var style = mode.token(stream, state);\n if (stream.pos > stream.start) { return style }\n }\n throw new Error(\"Mode \" + mode.name + \" failed to advance stream.\")\n }\n\n var Token = function(stream, type, state) {\n this.start = stream.start; this.end = stream.pos;\n this.string = stream.current();\n this.type = type || null;\n this.state = state;\n };\n\n // Utility for getTokenAt and getLineTokens\n function takeToken(cm, pos, precise, asArray) {\n var doc = cm.doc, mode = doc.mode, style;\n pos = clipPos(doc, pos);\n var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise);\n var stream = new StringStream(line.text, cm.options.tabSize, context), tokens;\n if (asArray) { tokens = []; }\n while ((asArray || stream.pos < pos.ch) && !stream.eol()) {\n stream.start = stream.pos;\n style = readToken(mode, stream, context.state);\n if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); }\n }\n return asArray ? tokens : new Token(stream, style, context.state)\n }\n\n function extractLineClasses(type, output) {\n if (type) { for (;;) {\n var lineClass = type.match(/(?:^|\\s+)line-(background-)?(\\S+)/);\n if (!lineClass) { break }\n type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);\n var prop = lineClass[1] ? \"bgClass\" : \"textClass\";\n if (output[prop] == null)\n { output[prop] = lineClass[2]; }\n else if (!(new RegExp(\"(?:^|\\s)\" + lineClass[2] + \"(?:$|\\s)\")).test(output[prop]))\n { output[prop] += \" \" + lineClass[2]; }\n } }\n return type\n }\n\n // Run the given mode's parser over a line, calling f for each token.\n function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) {\n var flattenSpans = mode.flattenSpans;\n if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; }\n var curStart = 0, curStyle = null;\n var stream = new StringStream(text, cm.options.tabSize, context), style;\n var inner = cm.options.addModeClass && [null];\n if (text == \"\") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); }\n while (!stream.eol()) {\n if (stream.pos > cm.options.maxHighlightLength) {\n flattenSpans = false;\n if (forceToEnd) { processLine(cm, text, context, stream.pos); }\n stream.pos = text.length;\n style = null;\n } else {\n style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses);\n }\n if (inner) {\n var mName = inner[0].name;\n if (mName) { style = \"m-\" + (style ? mName + \" \" + style : mName); }\n }\n if (!flattenSpans || curStyle != style) {\n while (curStart < stream.start) {\n curStart = Math.min(stream.start, curStart + 5000);\n f(curStart, curStyle);\n }\n curStyle = style;\n }\n stream.start = stream.pos;\n }\n while (curStart < stream.pos) {\n // Webkit seems to refuse to render text nodes longer than 57444\n // characters, and returns inaccurate measurements in nodes\n // starting around 5000 chars.\n var pos = Math.min(stream.pos, curStart + 5000);\n f(pos, curStyle);\n curStart = pos;\n }\n }\n\n // Finds the line to start with when starting a parse. Tries to\n // find a line with a stateAfter, so that it can start with a\n // valid state. If that fails, it returns the line with the\n // smallest indentation, which tends to need the least context to\n // parse correctly.\n function findStartLine(cm, n, precise) {\n var minindent, minline, doc = cm.doc;\n var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);\n for (var search = n; search > lim; --search) {\n if (search <= doc.first) { return doc.first }\n var line = getLine(doc, search - 1), after = line.stateAfter;\n if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier))\n { return search }\n var indented = countColumn(line.text, null, cm.options.tabSize);\n if (minline == null || minindent > indented) {\n minline = search - 1;\n minindent = indented;\n }\n }\n return minline\n }\n\n function retreatFrontier(doc, n) {\n doc.modeFrontier = Math.min(doc.modeFrontier, n);\n if (doc.highlightFrontier < n - 10) { return }\n var start = doc.first;\n for (var line = n - 1; line > start; line--) {\n var saved = getLine(doc, line).stateAfter;\n // change is on 3\n // state on line 1 looked ahead 2 -- so saw 3\n // test 1 + 2 < 3 should cover this\n if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) {\n start = line + 1;\n break\n }\n }\n doc.highlightFrontier = Math.min(doc.highlightFrontier, start);\n }\n\n // Optimize some code when these features are not used.\n var sawReadOnlySpans = false, sawCollapsedSpans = false;\n\n function seeReadOnlySpans() {\n sawReadOnlySpans = true;\n }\n\n function seeCollapsedSpans() {\n sawCollapsedSpans = true;\n }\n\n // TEXTMARKER SPANS\n\n function MarkedSpan(marker, from, to) {\n this.marker = marker;\n this.from = from; this.to = to;\n }\n\n // Search an array of spans for a span matching the given marker.\n function getMarkedSpanFor(spans, marker) {\n if (spans) { for (var i = 0; i < spans.length; ++i) {\n var span = spans[i];\n if (span.marker == marker) { return span }\n } }\n }\n // Remove a span from an array, returning undefined if no spans are\n // left (we don't store arrays for lines without spans).\n function removeMarkedSpan(spans, span) {\n var r;\n for (var i = 0; i < spans.length; ++i)\n { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } }\n return r\n }\n // Add a span to a line.\n function addMarkedSpan(line, span) {\n line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];\n span.marker.attachLine(line);\n }\n\n // Used for the algorithm that adjusts markers for a change in the\n // document. These functions cut an array of spans at a given\n // character position, returning an array of remaining chunks (or\n // undefined if nothing remains).\n function markedSpansBefore(old, startCh, isInsert) {\n var nw;\n if (old) { for (var i = 0; i < old.length; ++i) {\n var span = old[i], marker = span.marker;\n var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);\n if (startsBefore || span.from == startCh && marker.type == \"bookmark\" && (!isInsert || !span.marker.insertLeft)) {\n var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh)\n ;(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));\n }\n } }\n return nw\n }\n function markedSpansAfter(old, endCh, isInsert) {\n var nw;\n if (old) { for (var i = 0; i < old.length; ++i) {\n var span = old[i], marker = span.marker;\n var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);\n if (endsAfter || span.from == endCh && marker.type == \"bookmark\" && (!isInsert || span.marker.insertLeft)) {\n var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh)\n ;(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,\n span.to == null ? null : span.to - endCh));\n }\n } }\n return nw\n }\n\n // Given a change object, compute the new set of marker spans that\n // cover the line in which the change took place. Removes spans\n // entirely within the change, reconnects spans belonging to the\n // same marker that appear on both sides of the change, and cuts off\n // spans partially within the change. Returns an array of span\n // arrays with one element for each line in (after) the change.\n function stretchSpansOverChange(doc, change) {\n if (change.full) { return null }\n var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;\n var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;\n if (!oldFirst && !oldLast) { return null }\n\n var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;\n // Get the spans that 'stick out' on both sides\n var first = markedSpansBefore(oldFirst, startCh, isInsert);\n var last = markedSpansAfter(oldLast, endCh, isInsert);\n\n // Next, merge those two ends\n var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);\n if (first) {\n // Fix up .to properties of first\n for (var i = 0; i < first.length; ++i) {\n var span = first[i];\n if (span.to == null) {\n var found = getMarkedSpanFor(last, span.marker);\n if (!found) { span.to = startCh; }\n else if (sameLine) { span.to = found.to == null ? null : found.to + offset; }\n }\n }\n }\n if (last) {\n // Fix up .from in last (or move them into first in case of sameLine)\n for (var i$1 = 0; i$1 < last.length; ++i$1) {\n var span$1 = last[i$1];\n if (span$1.to != null) { span$1.to += offset; }\n if (span$1.from == null) {\n var found$1 = getMarkedSpanFor(first, span$1.marker);\n if (!found$1) {\n span$1.from = offset;\n if (sameLine) { (first || (first = [])).push(span$1); }\n }\n } else {\n span$1.from += offset;\n if (sameLine) { (first || (first = [])).push(span$1); }\n }\n }\n }\n // Make sure we didn't create any zero-length spans\n if (first) { first = clearEmptySpans(first); }\n if (last && last != first) { last = clearEmptySpans(last); }\n\n var newMarkers = [first];\n if (!sameLine) {\n // Fill gap with whole-line-spans\n var gap = change.text.length - 2, gapMarkers;\n if (gap > 0 && first)\n { for (var i$2 = 0; i$2 < first.length; ++i$2)\n { if (first[i$2].to == null)\n { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } }\n for (var i$3 = 0; i$3 < gap; ++i$3)\n { newMarkers.push(gapMarkers); }\n newMarkers.push(last);\n }\n return newMarkers\n }\n\n // Remove spans that are empty and don't have a clearWhenEmpty\n // option of false.\n function clearEmptySpans(spans) {\n for (var i = 0; i < spans.length; ++i) {\n var span = spans[i];\n if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)\n { spans.splice(i--, 1); }\n }\n if (!spans.length) { return null }\n return spans\n }\n\n // Used to 'clip' out readOnly ranges when making a change.\n function removeReadOnlyRanges(doc, from, to) {\n var markers = null;\n doc.iter(from.line, to.line + 1, function (line) {\n if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {\n var mark = line.markedSpans[i].marker;\n if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))\n { (markers || (markers = [])).push(mark); }\n } }\n });\n if (!markers) { return null }\n var parts = [{from: from, to: to}];\n for (var i = 0; i < markers.length; ++i) {\n var mk = markers[i], m = mk.find(0);\n for (var j = 0; j < parts.length; ++j) {\n var p = parts[j];\n if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue }\n var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);\n if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)\n { newParts.push({from: p.from, to: m.from}); }\n if (dto > 0 || !mk.inclusiveRight && !dto)\n { newParts.push({from: m.to, to: p.to}); }\n parts.splice.apply(parts, newParts);\n j += newParts.length - 3;\n }\n }\n return parts\n }\n\n // Connect or disconnect spans from a line.\n function detachMarkedSpans(line) {\n var spans = line.markedSpans;\n if (!spans) { return }\n for (var i = 0; i < spans.length; ++i)\n { spans[i].marker.detachLine(line); }\n line.markedSpans = null;\n }\n function attachMarkedSpans(line, spans) {\n if (!spans) { return }\n for (var i = 0; i < spans.length; ++i)\n { spans[i].marker.attachLine(line); }\n line.markedSpans = spans;\n }\n\n // Helpers used when computing which overlapping collapsed span\n // counts as the larger one.\n function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 }\n function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 }\n\n // Returns a number indicating which of two overlapping collapsed\n // spans is larger (and thus includes the other). Falls back to\n // comparing ids when the spans cover exactly the same range.\n function compareCollapsedMarkers(a, b) {\n var lenDiff = a.lines.length - b.lines.length;\n if (lenDiff != 0) { return lenDiff }\n var aPos = a.find(), bPos = b.find();\n var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);\n if (fromCmp) { return -fromCmp }\n var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);\n if (toCmp) { return toCmp }\n return b.id - a.id\n }\n\n // Find out whether a line ends or starts in a collapsed span. If\n // so, return the marker for that span.\n function collapsedSpanAtSide(line, start) {\n var sps = sawCollapsedSpans && line.markedSpans, found;\n if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {\n sp = sps[i];\n if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&\n (!found || compareCollapsedMarkers(found, sp.marker) < 0))\n { found = sp.marker; }\n } }\n return found\n }\n function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) }\n function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) }\n\n function collapsedSpanAround(line, ch) {\n var sps = sawCollapsedSpans && line.markedSpans, found;\n if (sps) { for (var i = 0; i < sps.length; ++i) {\n var sp = sps[i];\n if (sp.marker.collapsed && (sp.from == null || sp.from < ch) && (sp.to == null || sp.to > ch) &&\n (!found || compareCollapsedMarkers(found, sp.marker) < 0)) { found = sp.marker; }\n } }\n return found\n }\n\n // Test whether there exists a collapsed span that partially\n // overlaps (covers the start or end, but not both) of a new span.\n // Such overlap is not allowed.\n function conflictingCollapsedRange(doc, lineNo$$1, from, to, marker) {\n var line = getLine(doc, lineNo$$1);\n var sps = sawCollapsedSpans && line.markedSpans;\n if (sps) { for (var i = 0; i < sps.length; ++i) {\n var sp = sps[i];\n if (!sp.marker.collapsed) { continue }\n var found = sp.marker.find(0);\n var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);\n var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);\n if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue }\n if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) ||\n fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0))\n { return true }\n } }\n }\n\n // A visual line is a line as drawn on the screen. Folding, for\n // example, can cause multiple logical lines to appear on the same\n // visual line. This finds the start of the visual line that the\n // given line is part of (usually that is the line itself).\n function visualLine(line) {\n var merged;\n while (merged = collapsedSpanAtStart(line))\n { line = merged.find(-1, true).line; }\n return line\n }\n\n function visualLineEnd(line) {\n var merged;\n while (merged = collapsedSpanAtEnd(line))\n { line = merged.find(1, true).line; }\n return line\n }\n\n // Returns an array of logical lines that continue the visual line\n // started by the argument, or undefined if there are no such lines.\n function visualLineContinued(line) {\n var merged, lines;\n while (merged = collapsedSpanAtEnd(line)) {\n line = merged.find(1, true).line\n ;(lines || (lines = [])).push(line);\n }\n return lines\n }\n\n // Get the line number of the start of the visual line that the\n // given line number is part of.\n function visualLineNo(doc, lineN) {\n var line = getLine(doc, lineN), vis = visualLine(line);\n if (line == vis) { return lineN }\n return lineNo(vis)\n }\n\n // Get the line number of the start of the next visual line after\n // the given line.\n function visualLineEndNo(doc, lineN) {\n if (lineN > doc.lastLine()) { return lineN }\n var line = getLine(doc, lineN), merged;\n if (!lineIsHidden(doc, line)) { return lineN }\n while (merged = collapsedSpanAtEnd(line))\n { line = merged.find(1, true).line; }\n return lineNo(line) + 1\n }\n\n // Compute whether a line is hidden. Lines count as hidden when they\n // are part of a visual line that starts with another line, or when\n // they are entirely covered by collapsed, non-widget span.\n function lineIsHidden(doc, line) {\n var sps = sawCollapsedSpans && line.markedSpans;\n if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {\n sp = sps[i];\n if (!sp.marker.collapsed) { continue }\n if (sp.from == null) { return true }\n if (sp.marker.widgetNode) { continue }\n if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))\n { return true }\n } }\n }\n function lineIsHiddenInner(doc, line, span) {\n if (span.to == null) {\n var end = span.marker.find(1, true);\n return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker))\n }\n if (span.marker.inclusiveRight && span.to == line.text.length)\n { return true }\n for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) {\n sp = line.markedSpans[i];\n if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&\n (sp.to == null || sp.to != span.from) &&\n (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&\n lineIsHiddenInner(doc, line, sp)) { return true }\n }\n }\n\n // Find the height above the given line.\n function heightAtLine(lineObj) {\n lineObj = visualLine(lineObj);\n\n var h = 0, chunk = lineObj.parent;\n for (var i = 0; i < chunk.lines.length; ++i) {\n var line = chunk.lines[i];\n if (line == lineObj) { break }\n else { h += line.height; }\n }\n for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {\n for (var i$1 = 0; i$1 < p.children.length; ++i$1) {\n var cur = p.children[i$1];\n if (cur == chunk) { break }\n else { h += cur.height; }\n }\n }\n return h\n }\n\n // Compute the character length of a line, taking into account\n // collapsed ranges (see markText) that might hide parts, and join\n // other lines onto it.\n function lineLength(line) {\n if (line.height == 0) { return 0 }\n var len = line.text.length, merged, cur = line;\n while (merged = collapsedSpanAtStart(cur)) {\n var found = merged.find(0, true);\n cur = found.from.line;\n len += found.from.ch - found.to.ch;\n }\n cur = line;\n while (merged = collapsedSpanAtEnd(cur)) {\n var found$1 = merged.find(0, true);\n len -= cur.text.length - found$1.from.ch;\n cur = found$1.to.line;\n len += cur.text.length - found$1.to.ch;\n }\n return len\n }\n\n // Find the longest line in the document.\n function findMaxLine(cm) {\n var d = cm.display, doc = cm.doc;\n d.maxLine = getLine(doc, doc.first);\n d.maxLineLength = lineLength(d.maxLine);\n d.maxLineChanged = true;\n doc.iter(function (line) {\n var len = lineLength(line);\n if (len > d.maxLineLength) {\n d.maxLineLength = len;\n d.maxLine = line;\n }\n });\n }\n\n // LINE DATA STRUCTURE\n\n // Line objects. These hold state related to a line, including\n // highlighting info (the styles array).\n var Line = function(text, markedSpans, estimateHeight) {\n this.text = text;\n attachMarkedSpans(this, markedSpans);\n this.height = estimateHeight ? estimateHeight(this) : 1;\n };\n\n Line.prototype.lineNo = function () { return lineNo(this) };\n eventMixin(Line);\n\n // Change the content (text, markers) of a line. Automatically\n // invalidates cached information and tries to re-estimate the\n // line's height.\n function updateLine(line, text, markedSpans, estimateHeight) {\n line.text = text;\n if (line.stateAfter) { line.stateAfter = null; }\n if (line.styles) { line.styles = null; }\n if (line.order != null) { line.order = null; }\n detachMarkedSpans(line);\n attachMarkedSpans(line, markedSpans);\n var estHeight = estimateHeight ? estimateHeight(line) : 1;\n if (estHeight != line.height) { updateLineHeight(line, estHeight); }\n }\n\n // Detach a line from the document tree and its markers.\n function cleanUpLine(line) {\n line.parent = null;\n detachMarkedSpans(line);\n }\n\n // Convert a style as returned by a mode (either null, or a string\n // containing one or more styles) to a CSS style. This is cached,\n // and also looks for line-wide styles.\n var styleToClassCache = {}, styleToClassCacheWithMode = {};\n function interpretTokenStyle(style, options) {\n if (!style || /^\\s*$/.test(style)) { return null }\n var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;\n return cache[style] ||\n (cache[style] = style.replace(/\\S+/g, \"cm-$&\"))\n }\n\n // Render the DOM representation of the text of a line. Also builds\n // up a 'line map', which points at the DOM nodes that represent\n // specific stretches of text, and is used by the measuring code.\n // The returned object contains the DOM node, this map, and\n // information about line-wide styles that were set by the mode.\n function buildLineContent(cm, lineView) {\n // The padding-right forces the element to have a 'border', which\n // is needed on Webkit to be able to get line-level bounding\n // rectangles for it (in measureChar).\n var content = eltP(\"span\", null, null, webkit ? \"padding-right: .1px\" : null);\n var builder = {pre: eltP(\"pre\", [content], \"CodeMirror-line\"), content: content,\n col: 0, pos: 0, cm: cm,\n trailingSpace: false,\n splitSpaces: cm.getOption(\"lineWrapping\")};\n lineView.measure = {};\n\n // Iterate over the logical lines that make up this visual line.\n for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {\n var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0);\n builder.pos = 0;\n builder.addToken = buildToken;\n // Optionally wire in some hacks into the token-rendering\n // algorithm, to deal with browser quirks.\n if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction)))\n { builder.addToken = buildTokenBadBidi(builder.addToken, order); }\n builder.map = [];\n var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);\n insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));\n if (line.styleClasses) {\n if (line.styleClasses.bgClass)\n { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || \"\"); }\n if (line.styleClasses.textClass)\n { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || \"\"); }\n }\n\n // Ensure at least a single node is present, for measuring.\n if (builder.map.length == 0)\n { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); }\n\n // Store the map and a cache object for the current logical line\n if (i == 0) {\n lineView.measure.map = builder.map;\n lineView.measure.cache = {};\n } else {\n (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map)\n ;(lineView.measure.caches || (lineView.measure.caches = [])).push({});\n }\n }\n\n // See issue #2901\n if (webkit) {\n var last = builder.content.lastChild;\n if (/\\bcm-tab\\b/.test(last.className) || (last.querySelector && last.querySelector(\".cm-tab\")))\n { builder.content.className = \"cm-tab-wrap-hack\"; }\n }\n\n signal(cm, \"renderLine\", cm, lineView.line, builder.pre);\n if (builder.pre.className)\n { builder.textClass = joinClasses(builder.pre.className, builder.textClass || \"\"); }\n\n return builder\n }\n\n function defaultSpecialCharPlaceholder(ch) {\n var token = elt(\"span\", \"\\u2022\", \"cm-invalidchar\");\n token.title = \"\\\\u\" + ch.charCodeAt(0).toString(16);\n token.setAttribute(\"aria-label\", token.title);\n return token\n }\n\n // Build up the DOM representation for a single token, and add it to\n // the line map. Takes care to render special characters separately.\n function buildToken(builder, text, style, startStyle, endStyle, css, attributes) {\n if (!text) { return }\n var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text;\n var special = builder.cm.state.specialChars, mustWrap = false;\n var content;\n if (!special.test(text)) {\n builder.col += text.length;\n content = document.createTextNode(displayText);\n builder.map.push(builder.pos, builder.pos + text.length, content);\n if (ie && ie_version < 9) { mustWrap = true; }\n builder.pos += text.length;\n } else {\n content = document.createDocumentFragment();\n var pos = 0;\n while (true) {\n special.lastIndex = pos;\n var m = special.exec(text);\n var skipped = m ? m.index - pos : text.length - pos;\n if (skipped) {\n var txt = document.createTextNode(displayText.slice(pos, pos + skipped));\n if (ie && ie_version < 9) { content.appendChild(elt(\"span\", [txt])); }\n else { content.appendChild(txt); }\n builder.map.push(builder.pos, builder.pos + skipped, txt);\n builder.col += skipped;\n builder.pos += skipped;\n }\n if (!m) { break }\n pos += skipped + 1;\n var txt$1 = (void 0);\n if (m[0] == \"\\t\") {\n var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;\n txt$1 = content.appendChild(elt(\"span\", spaceStr(tabWidth), \"cm-tab\"));\n txt$1.setAttribute(\"role\", \"presentation\");\n txt$1.setAttribute(\"cm-text\", \"\\t\");\n builder.col += tabWidth;\n } else if (m[0] == \"\\r\" || m[0] == \"\\n\") {\n txt$1 = content.appendChild(elt(\"span\", m[0] == \"\\r\" ? \"\\u240d\" : \"\\u2424\", \"cm-invalidchar\"));\n txt$1.setAttribute(\"cm-text\", m[0]);\n builder.col += 1;\n } else {\n txt$1 = builder.cm.options.specialCharPlaceholder(m[0]);\n txt$1.setAttribute(\"cm-text\", m[0]);\n if (ie && ie_version < 9) { content.appendChild(elt(\"span\", [txt$1])); }\n else { content.appendChild(txt$1); }\n builder.col += 1;\n }\n builder.map.push(builder.pos, builder.pos + 1, txt$1);\n builder.pos++;\n }\n }\n builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32;\n if (style || startStyle || endStyle || mustWrap || css) {\n var fullStyle = style || \"\";\n if (startStyle) { fullStyle += startStyle; }\n if (endStyle) { fullStyle += endStyle; }\n var token = elt(\"span\", [content], fullStyle, css);\n if (attributes) {\n for (var attr in attributes) { if (attributes.hasOwnProperty(attr) && attr != \"style\" && attr != \"class\")\n { token.setAttribute(attr, attributes[attr]); } }\n }\n return builder.content.appendChild(token)\n }\n builder.content.appendChild(content);\n }\n\n // Change some spaces to NBSP to prevent the browser from collapsing\n // trailing spaces at the end of a line when rendering text (issue #1362).\n function splitSpaces(text, trailingBefore) {\n if (text.length > 1 && !/ /.test(text)) { return text }\n var spaceBefore = trailingBefore, result = \"\";\n for (var i = 0; i < text.length; i++) {\n var ch = text.charAt(i);\n if (ch == \" \" && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32))\n { ch = \"\\u00a0\"; }\n result += ch;\n spaceBefore = ch == \" \";\n }\n return result\n }\n\n // Work around nonsense dimensions being reported for stretches of\n // right-to-left text.\n function buildTokenBadBidi(inner, order) {\n return function (builder, text, style, startStyle, endStyle, css, attributes) {\n style = style ? style + \" cm-force-border\" : \"cm-force-border\";\n var start = builder.pos, end = start + text.length;\n for (;;) {\n // Find the part that overlaps with the start of this text\n var part = (void 0);\n for (var i = 0; i < order.length; i++) {\n part = order[i];\n if (part.to > start && part.from <= start) { break }\n }\n if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, css, attributes) }\n inner(builder, text.slice(0, part.to - start), style, startStyle, null, css, attributes);\n startStyle = null;\n text = text.slice(part.to - start);\n start = part.to;\n }\n }\n }\n\n function buildCollapsedSpan(builder, size, marker, ignoreWidget) {\n var widget = !ignoreWidget && marker.widgetNode;\n if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); }\n if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {\n if (!widget)\n { widget = builder.content.appendChild(document.createElement(\"span\")); }\n widget.setAttribute(\"cm-marker\", marker.id);\n }\n if (widget) {\n builder.cm.display.input.setUneditable(widget);\n builder.content.appendChild(widget);\n }\n builder.pos += size;\n builder.trailingSpace = false;\n }\n\n // Outputs a number of spans to make up a line, taking highlighting\n // and marked text into account.\n function insertLineContent(line, builder, styles) {\n var spans = line.markedSpans, allText = line.text, at = 0;\n if (!spans) {\n for (var i$1 = 1; i$1 < styles.length; i$1+=2)\n { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); }\n return\n }\n\n var len = allText.length, pos = 0, i = 1, text = \"\", style, css;\n var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, collapsed, attributes;\n for (;;) {\n if (nextChange == pos) { // Update current marker set\n spanStyle = spanEndStyle = spanStartStyle = css = \"\";\n attributes = null;\n collapsed = null; nextChange = Infinity;\n var foundBookmarks = [], endStyles = (void 0);\n for (var j = 0; j < spans.length; ++j) {\n var sp = spans[j], m = sp.marker;\n if (m.type == \"bookmark\" && sp.from == pos && m.widgetNode) {\n foundBookmarks.push(m);\n } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {\n if (sp.to != null && sp.to != pos && nextChange > sp.to) {\n nextChange = sp.to;\n spanEndStyle = \"\";\n }\n if (m.className) { spanStyle += \" \" + m.className; }\n if (m.css) { css = (css ? css + \";\" : \"\") + m.css; }\n if (m.startStyle && sp.from == pos) { spanStartStyle += \" \" + m.startStyle; }\n if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); }\n // support for the old title property\n // https://github.com/codemirror/CodeMirror/pull/5673\n if (m.title) { (attributes || (attributes = {})).title = m.title; }\n if (m.attributes) {\n for (var attr in m.attributes)\n { (attributes || (attributes = {}))[attr] = m.attributes[attr]; }\n }\n if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))\n { collapsed = sp; }\n } else if (sp.from > pos && nextChange > sp.from) {\n nextChange = sp.from;\n }\n }\n if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2)\n { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += \" \" + endStyles[j$1]; } } }\n\n if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2)\n { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } }\n if (collapsed && (collapsed.from || 0) == pos) {\n buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,\n collapsed.marker, collapsed.from == null);\n if (collapsed.to == null) { return }\n if (collapsed.to == pos) { collapsed = false; }\n }\n }\n if (pos >= len) { break }\n\n var upto = Math.min(len, nextChange);\n while (true) {\n if (text) {\n var end = pos + text.length;\n if (!collapsed) {\n var tokenText = end > upto ? text.slice(0, upto - pos) : text;\n builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,\n spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : \"\", css, attributes);\n }\n if (end >= upto) {text = text.slice(upto - pos); pos = upto; break}\n pos = end;\n spanStartStyle = \"\";\n }\n text = allText.slice(at, at = styles[i++]);\n style = interpretTokenStyle(styles[i++], builder.cm.options);\n }\n }\n }\n\n\n // These objects are used to represent the visible (currently drawn)\n // part of the document. A LineView may correspond to multiple\n // logical lines, if those are connected by collapsed ranges.\n function LineView(doc, line, lineN) {\n // The starting line\n this.line = line;\n // Continuing lines, if any\n this.rest = visualLineContinued(line);\n // Number of logical lines in this visual line\n this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;\n this.node = this.text = null;\n this.hidden = lineIsHidden(doc, line);\n }\n\n // Create a range of LineView objects for the given lines.\n function buildViewArray(cm, from, to) {\n var array = [], nextPos;\n for (var pos = from; pos < to; pos = nextPos) {\n var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);\n nextPos = pos + view.size;\n array.push(view);\n }\n return array\n }\n\n var operationGroup = null;\n\n function pushOperation(op) {\n if (operationGroup) {\n operationGroup.ops.push(op);\n } else {\n op.ownsGroup = operationGroup = {\n ops: [op],\n delayedCallbacks: []\n };\n }\n }\n\n function fireCallbacksForOps(group) {\n // Calls delayed callbacks and cursorActivity handlers until no\n // new ones appear\n var callbacks = group.delayedCallbacks, i = 0;\n do {\n for (; i < callbacks.length; i++)\n { callbacks[i].call(null); }\n for (var j = 0; j < group.ops.length; j++) {\n var op = group.ops[j];\n if (op.cursorActivityHandlers)\n { while (op.cursorActivityCalled < op.cursorActivityHandlers.length)\n { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } }\n }\n } while (i < callbacks.length)\n }\n\n function finishOperation(op, endCb) {\n var group = op.ownsGroup;\n if (!group) { return }\n\n try { fireCallbacksForOps(group); }\n finally {\n operationGroup = null;\n endCb(group);\n }\n }\n\n var orphanDelayedCallbacks = null;\n\n // Often, we want to signal events at a point where we are in the\n // middle of some work, but don't want the handler to start calling\n // other methods on the editor, which might be in an inconsistent\n // state or simply not expect any other events to happen.\n // signalLater looks whether there are any handlers, and schedules\n // them to be executed when the last operation ends, or, if no\n // operation is active, when a timeout fires.\n function signalLater(emitter, type /*, values...*/) {\n var arr = getHandlers(emitter, type);\n if (!arr.length) { return }\n var args = Array.prototype.slice.call(arguments, 2), list;\n if (operationGroup) {\n list = operationGroup.delayedCallbacks;\n } else if (orphanDelayedCallbacks) {\n list = orphanDelayedCallbacks;\n } else {\n list = orphanDelayedCallbacks = [];\n setTimeout(fireOrphanDelayed, 0);\n }\n var loop = function ( i ) {\n list.push(function () { return arr[i].apply(null, args); });\n };\n\n for (var i = 0; i < arr.length; ++i)\n loop( i );\n }\n\n function fireOrphanDelayed() {\n var delayed = orphanDelayedCallbacks;\n orphanDelayedCallbacks = null;\n for (var i = 0; i < delayed.length; ++i) { delayed[i](); }\n }\n\n // When an aspect of a line changes, a string is added to\n // lineView.changes. This updates the relevant part of the line's\n // DOM structure.\n function updateLineForChanges(cm, lineView, lineN, dims) {\n for (var j = 0; j < lineView.changes.length; j++) {\n var type = lineView.changes[j];\n if (type == \"text\") { updateLineText(cm, lineView); }\n else if (type == \"gutter\") { updateLineGutter(cm, lineView, lineN, dims); }\n else if (type == \"class\") { updateLineClasses(cm, lineView); }\n else if (type == \"widget\") { updateLineWidgets(cm, lineView, dims); }\n }\n lineView.changes = null;\n }\n\n // Lines with gutter elements, widgets or a background class need to\n // be wrapped, and have the extra elements added to the wrapper div\n function ensureLineWrapped(lineView) {\n if (lineView.node == lineView.text) {\n lineView.node = elt(\"div\", null, null, \"position: relative\");\n if (lineView.text.parentNode)\n { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); }\n lineView.node.appendChild(lineView.text);\n if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; }\n }\n return lineView.node\n }\n\n function updateLineBackground(cm, lineView) {\n var cls = lineView.bgClass ? lineView.bgClass + \" \" + (lineView.line.bgClass || \"\") : lineView.line.bgClass;\n if (cls) { cls += \" CodeMirror-linebackground\"; }\n if (lineView.background) {\n if (cls) { lineView.background.className = cls; }\n else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }\n } else if (cls) {\n var wrap = ensureLineWrapped(lineView);\n lineView.background = wrap.insertBefore(elt(\"div\", null, cls), wrap.firstChild);\n cm.display.input.setUneditable(lineView.background);\n }\n }\n\n // Wrapper around buildLineContent which will reuse the structure\n // in display.externalMeasured when possible.\n function getLineContent(cm, lineView) {\n var ext = cm.display.externalMeasured;\n if (ext && ext.line == lineView.line) {\n cm.display.externalMeasured = null;\n lineView.measure = ext.measure;\n return ext.built\n }\n return buildLineContent(cm, lineView)\n }\n\n // Redraw the line's text. Interacts with the background and text\n // classes because the mode may output tokens that influence these\n // classes.\n function updateLineText(cm, lineView) {\n var cls = lineView.text.className;\n var built = getLineContent(cm, lineView);\n if (lineView.text == lineView.node) { lineView.node = built.pre; }\n lineView.text.parentNode.replaceChild(built.pre, lineView.text);\n lineView.text = built.pre;\n if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {\n lineView.bgClass = built.bgClass;\n lineView.textClass = built.textClass;\n updateLineClasses(cm, lineView);\n } else if (cls) {\n lineView.text.className = cls;\n }\n }\n\n function updateLineClasses(cm, lineView) {\n updateLineBackground(cm, lineView);\n if (lineView.line.wrapClass)\n { ensureLineWrapped(lineView).className = lineView.line.wrapClass; }\n else if (lineView.node != lineView.text)\n { lineView.node.className = \"\"; }\n var textClass = lineView.textClass ? lineView.textClass + \" \" + (lineView.line.textClass || \"\") : lineView.line.textClass;\n lineView.text.className = textClass || \"\";\n }\n\n function updateLineGutter(cm, lineView, lineN, dims) {\n if (lineView.gutter) {\n lineView.node.removeChild(lineView.gutter);\n lineView.gutter = null;\n }\n if (lineView.gutterBackground) {\n lineView.node.removeChild(lineView.gutterBackground);\n lineView.gutterBackground = null;\n }\n if (lineView.line.gutterClass) {\n var wrap = ensureLineWrapped(lineView);\n lineView.gutterBackground = elt(\"div\", null, \"CodeMirror-gutter-background \" + lineView.line.gutterClass,\n (\"left: \" + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + \"px; width: \" + (dims.gutterTotalWidth) + \"px\"));\n cm.display.input.setUneditable(lineView.gutterBackground);\n wrap.insertBefore(lineView.gutterBackground, lineView.text);\n }\n var markers = lineView.line.gutterMarkers;\n if (cm.options.lineNumbers || markers) {\n var wrap$1 = ensureLineWrapped(lineView);\n var gutterWrap = lineView.gutter = elt(\"div\", null, \"CodeMirror-gutter-wrapper\", (\"left: \" + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + \"px\"));\n cm.display.input.setUneditable(gutterWrap);\n wrap$1.insertBefore(gutterWrap, lineView.text);\n if (lineView.line.gutterClass)\n { gutterWrap.className += \" \" + lineView.line.gutterClass; }\n if (cm.options.lineNumbers && (!markers || !markers[\"CodeMirror-linenumbers\"]))\n { lineView.lineNumber = gutterWrap.appendChild(\n elt(\"div\", lineNumberFor(cm.options, lineN),\n \"CodeMirror-linenumber CodeMirror-gutter-elt\",\n (\"left: \" + (dims.gutterLeft[\"CodeMirror-linenumbers\"]) + \"px; width: \" + (cm.display.lineNumInnerWidth) + \"px\"))); }\n if (markers) { for (var k = 0; k < cm.display.gutterSpecs.length; ++k) {\n var id = cm.display.gutterSpecs[k].className, found = markers.hasOwnProperty(id) && markers[id];\n if (found)\n { gutterWrap.appendChild(elt(\"div\", [found], \"CodeMirror-gutter-elt\",\n (\"left: \" + (dims.gutterLeft[id]) + \"px; width: \" + (dims.gutterWidth[id]) + \"px\"))); }\n } }\n }\n }\n\n function updateLineWidgets(cm, lineView, dims) {\n if (lineView.alignable) { lineView.alignable = null; }\n for (var node = lineView.node.firstChild, next = (void 0); node; node = next) {\n next = node.nextSibling;\n if (node.className == \"CodeMirror-linewidget\")\n { lineView.node.removeChild(node); }\n }\n insertLineWidgets(cm, lineView, dims);\n }\n\n // Build a line's DOM representation from scratch\n function buildLineElement(cm, lineView, lineN, dims) {\n var built = getLineContent(cm, lineView);\n lineView.text = lineView.node = built.pre;\n if (built.bgClass) { lineView.bgClass = built.bgClass; }\n if (built.textClass) { lineView.textClass = built.textClass; }\n\n updateLineClasses(cm, lineView);\n updateLineGutter(cm, lineView, lineN, dims);\n insertLineWidgets(cm, lineView, dims);\n return lineView.node\n }\n\n // A lineView may contain multiple logical lines (when merged by\n // collapsed spans). The widgets for all of them need to be drawn.\n function insertLineWidgets(cm, lineView, dims) {\n insertLineWidgetsFor(cm, lineView.line, lineView, dims, true);\n if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)\n { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } }\n }\n\n function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {\n if (!line.widgets) { return }\n var wrap = ensureLineWrapped(lineView);\n for (var i = 0, ws = line.widgets; i < ws.length; ++i) {\n var widget = ws[i], node = elt(\"div\", [widget.node], \"CodeMirror-linewidget\");\n if (!widget.handleMouseEvents) { node.setAttribute(\"cm-ignore-events\", \"true\"); }\n positionLineWidget(widget, node, lineView, dims);\n cm.display.input.setUneditable(node);\n if (allowAbove && widget.above)\n { wrap.insertBefore(node, lineView.gutter || lineView.text); }\n else\n { wrap.appendChild(node); }\n signalLater(widget, \"redraw\");\n }\n }\n\n function positionLineWidget(widget, node, lineView, dims) {\n if (widget.noHScroll) {\n (lineView.alignable || (lineView.alignable = [])).push(node);\n var width = dims.wrapperWidth;\n node.style.left = dims.fixedPos + \"px\";\n if (!widget.coverGutter) {\n width -= dims.gutterTotalWidth;\n node.style.paddingLeft = dims.gutterTotalWidth + \"px\";\n }\n node.style.width = width + \"px\";\n }\n if (widget.coverGutter) {\n node.style.zIndex = 5;\n node.style.position = \"relative\";\n if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + \"px\"; }\n }\n }\n\n function widgetHeight(widget) {\n if (widget.height != null) { return widget.height }\n var cm = widget.doc.cm;\n if (!cm) { return 0 }\n if (!contains(document.body, widget.node)) {\n var parentStyle = \"position: relative;\";\n if (widget.coverGutter)\n { parentStyle += \"margin-left: -\" + cm.display.gutters.offsetWidth + \"px;\"; }\n if (widget.noHScroll)\n { parentStyle += \"width: \" + cm.display.wrapper.clientWidth + \"px;\"; }\n removeChildrenAndAdd(cm.display.measure, elt(\"div\", [widget.node], null, parentStyle));\n }\n return widget.height = widget.node.parentNode.offsetHeight\n }\n\n // Return true when the given mouse event happened in a widget\n function eventInWidget(display, e) {\n for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {\n if (!n || (n.nodeType == 1 && n.getAttribute(\"cm-ignore-events\") == \"true\") ||\n (n.parentNode == display.sizer && n != display.mover))\n { return true }\n }\n }\n\n // POSITION MEASUREMENT\n\n function paddingTop(display) {return display.lineSpace.offsetTop}\n function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight}\n function paddingH(display) {\n if (display.cachedPaddingH) { return display.cachedPaddingH }\n var e = removeChildrenAndAdd(display.measure, elt(\"pre\", \"x\"));\n var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;\n var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};\n if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; }\n return data\n }\n\n function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth }\n function displayWidth(cm) {\n return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth\n }\n function displayHeight(cm) {\n return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight\n }\n\n // Ensure the lineView.wrapping.heights array is populated. This is\n // an array of bottom offsets for the lines that make up a drawn\n // line. When lineWrapping is on, there might be more than one\n // height.\n function ensureLineHeights(cm, lineView, rect) {\n var wrapping = cm.options.lineWrapping;\n var curWidth = wrapping && displayWidth(cm);\n if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {\n var heights = lineView.measure.heights = [];\n if (wrapping) {\n lineView.measure.width = curWidth;\n var rects = lineView.text.firstChild.getClientRects();\n for (var i = 0; i < rects.length - 1; i++) {\n var cur = rects[i], next = rects[i + 1];\n if (Math.abs(cur.bottom - next.bottom) > 2)\n { heights.push((cur.bottom + next.top) / 2 - rect.top); }\n }\n }\n heights.push(rect.bottom - rect.top);\n }\n }\n\n // Find a line map (mapping character offsets to text nodes) and a\n // measurement cache for the given line number. (A line view might\n // contain multiple lines when collapsed ranges are present.)\n function mapFromLineView(lineView, line, lineN) {\n if (lineView.line == line)\n { return {map: lineView.measure.map, cache: lineView.measure.cache} }\n for (var i = 0; i < lineView.rest.length; i++)\n { if (lineView.rest[i] == line)\n { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } }\n for (var i$1 = 0; i$1 < lineView.rest.length; i$1++)\n { if (lineNo(lineView.rest[i$1]) > lineN)\n { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } }\n }\n\n // Render a line into the hidden node display.externalMeasured. Used\n // when measurement is needed for a line that's not in the viewport.\n function updateExternalMeasurement(cm, line) {\n line = visualLine(line);\n var lineN = lineNo(line);\n var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);\n view.lineN = lineN;\n var built = view.built = buildLineContent(cm, view);\n view.text = built.pre;\n removeChildrenAndAdd(cm.display.lineMeasure, built.pre);\n return view\n }\n\n // Get a {top, bottom, left, right} box (in line-local coordinates)\n // for a given character.\n function measureChar(cm, line, ch, bias) {\n return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias)\n }\n\n // Find a line view that corresponds to the given line number.\n function findViewForLine(cm, lineN) {\n if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)\n { return cm.display.view[findViewIndex(cm, lineN)] }\n var ext = cm.display.externalMeasured;\n if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)\n { return ext }\n }\n\n // Measurement can be split in two steps, the set-up work that\n // applies to the whole line, and the measurement of the actual\n // character. Functions like coordsChar, that need to do a lot of\n // measurements in a row, can thus ensure that the set-up work is\n // only done once.\n function prepareMeasureForLine(cm, line) {\n var lineN = lineNo(line);\n var view = findViewForLine(cm, lineN);\n if (view && !view.text) {\n view = null;\n } else if (view && view.changes) {\n updateLineForChanges(cm, view, lineN, getDimensions(cm));\n cm.curOp.forceUpdate = true;\n }\n if (!view)\n { view = updateExternalMeasurement(cm, line); }\n\n var info = mapFromLineView(view, line, lineN);\n return {\n line: line, view: view, rect: null,\n map: info.map, cache: info.cache, before: info.before,\n hasHeights: false\n }\n }\n\n // Given a prepared measurement object, measures the position of an\n // actual character (or fetches it from the cache).\n function measureCharPrepared(cm, prepared, ch, bias, varHeight) {\n if (prepared.before) { ch = -1; }\n var key = ch + (bias || \"\"), found;\n if (prepared.cache.hasOwnProperty(key)) {\n found = prepared.cache[key];\n } else {\n if (!prepared.rect)\n { prepared.rect = prepared.view.text.getBoundingClientRect(); }\n if (!prepared.hasHeights) {\n ensureLineHeights(cm, prepared.view, prepared.rect);\n prepared.hasHeights = true;\n }\n found = measureCharInner(cm, prepared, ch, bias);\n if (!found.bogus) { prepared.cache[key] = found; }\n }\n return {left: found.left, right: found.right,\n top: varHeight ? found.rtop : found.top,\n bottom: varHeight ? found.rbottom : found.bottom}\n }\n\n var nullRect = {left: 0, right: 0, top: 0, bottom: 0};\n\n function nodeAndOffsetInLineMap(map$$1, ch, bias) {\n var node, start, end, collapse, mStart, mEnd;\n // First, search the line map for the text node corresponding to,\n // or closest to, the target character.\n for (var i = 0; i < map$$1.length; i += 3) {\n mStart = map$$1[i];\n mEnd = map$$1[i + 1];\n if (ch < mStart) {\n start = 0; end = 1;\n collapse = \"left\";\n } else if (ch < mEnd) {\n start = ch - mStart;\n end = start + 1;\n } else if (i == map$$1.length - 3 || ch == mEnd && map$$1[i + 3] > ch) {\n end = mEnd - mStart;\n start = end - 1;\n if (ch >= mEnd) { collapse = \"right\"; }\n }\n if (start != null) {\n node = map$$1[i + 2];\n if (mStart == mEnd && bias == (node.insertLeft ? \"left\" : \"right\"))\n { collapse = bias; }\n if (bias == \"left\" && start == 0)\n { while (i && map$$1[i - 2] == map$$1[i - 3] && map$$1[i - 1].insertLeft) {\n node = map$$1[(i -= 3) + 2];\n collapse = \"left\";\n } }\n if (bias == \"right\" && start == mEnd - mStart)\n { while (i < map$$1.length - 3 && map$$1[i + 3] == map$$1[i + 4] && !map$$1[i + 5].insertLeft) {\n node = map$$1[(i += 3) + 2];\n collapse = \"right\";\n } }\n break\n }\n }\n return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}\n }\n\n function getUsefulRect(rects, bias) {\n var rect = nullRect;\n if (bias == \"left\") { for (var i = 0; i < rects.length; i++) {\n if ((rect = rects[i]).left != rect.right) { break }\n } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) {\n if ((rect = rects[i$1]).left != rect.right) { break }\n } }\n return rect\n }\n\n function measureCharInner(cm, prepared, ch, bias) {\n var place = nodeAndOffsetInLineMap(prepared.map, ch, bias);\n var node = place.node, start = place.start, end = place.end, collapse = place.collapse;\n\n var rect;\n if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.\n for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned\n while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; }\n while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; }\n if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart)\n { rect = node.parentNode.getBoundingClientRect(); }\n else\n { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); }\n if (rect.left || rect.right || start == 0) { break }\n end = start;\n start = start - 1;\n collapse = \"right\";\n }\n if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); }\n } else { // If it is a widget, simply get the box for the whole widget.\n if (start > 0) { collapse = bias = \"right\"; }\n var rects;\n if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)\n { rect = rects[bias == \"right\" ? rects.length - 1 : 0]; }\n else\n { rect = node.getBoundingClientRect(); }\n }\n if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {\n var rSpan = node.parentNode.getClientRects()[0];\n if (rSpan)\n { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; }\n else\n { rect = nullRect; }\n }\n\n var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;\n var mid = (rtop + rbot) / 2;\n var heights = prepared.view.measure.heights;\n var i = 0;\n for (; i < heights.length - 1; i++)\n { if (mid < heights[i]) { break } }\n var top = i ? heights[i - 1] : 0, bot = heights[i];\n var result = {left: (collapse == \"right\" ? rect.right : rect.left) - prepared.rect.left,\n right: (collapse == \"left\" ? rect.left : rect.right) - prepared.rect.left,\n top: top, bottom: bot};\n if (!rect.left && !rect.right) { result.bogus = true; }\n if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; }\n\n return result\n }\n\n // Work around problem with bounding client rects on ranges being\n // returned incorrectly when zoomed on IE10 and below.\n function maybeUpdateRectForZooming(measure, rect) {\n if (!window.screen || screen.logicalXDPI == null ||\n screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))\n { return rect }\n var scaleX = screen.logicalXDPI / screen.deviceXDPI;\n var scaleY = screen.logicalYDPI / screen.deviceYDPI;\n return {left: rect.left * scaleX, right: rect.right * scaleX,\n top: rect.top * scaleY, bottom: rect.bottom * scaleY}\n }\n\n function clearLineMeasurementCacheFor(lineView) {\n if (lineView.measure) {\n lineView.measure.cache = {};\n lineView.measure.heights = null;\n if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)\n { lineView.measure.caches[i] = {}; } }\n }\n }\n\n function clearLineMeasurementCache(cm) {\n cm.display.externalMeasure = null;\n removeChildren(cm.display.lineMeasure);\n for (var i = 0; i < cm.display.view.length; i++)\n { clearLineMeasurementCacheFor(cm.display.view[i]); }\n }\n\n function clearCaches(cm) {\n clearLineMeasurementCache(cm);\n cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;\n if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; }\n cm.display.lineNumChars = null;\n }\n\n function pageScrollX() {\n // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206\n // which causes page_Offset and bounding client rects to use\n // different reference viewports and invalidate our calculations.\n if (chrome && android) { return -(document.body.getBoundingClientRect().left - parseInt(getComputedStyle(document.body).marginLeft)) }\n return window.pageXOffset || (document.documentElement || document.body).scrollLeft\n }\n function pageScrollY() {\n if (chrome && android) { return -(document.body.getBoundingClientRect().top - parseInt(getComputedStyle(document.body).marginTop)) }\n return window.pageYOffset || (document.documentElement || document.body).scrollTop\n }\n\n function widgetTopHeight(lineObj) {\n var height = 0;\n if (lineObj.widgets) { for (var i = 0; i < lineObj.widgets.length; ++i) { if (lineObj.widgets[i].above)\n { height += widgetHeight(lineObj.widgets[i]); } } }\n return height\n }\n\n // Converts a {top, bottom, left, right} box from line-local\n // coordinates into another coordinate system. Context may be one of\n // \"line\", \"div\" (display.lineDiv), \"local\"./null (editor), \"window\",\n // or \"page\".\n function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) {\n if (!includeWidgets) {\n var height = widgetTopHeight(lineObj);\n rect.top += height; rect.bottom += height;\n }\n if (context == \"line\") { return rect }\n if (!context) { context = \"local\"; }\n var yOff = heightAtLine(lineObj);\n if (context == \"local\") { yOff += paddingTop(cm.display); }\n else { yOff -= cm.display.viewOffset; }\n if (context == \"page\" || context == \"window\") {\n var lOff = cm.display.lineSpace.getBoundingClientRect();\n yOff += lOff.top + (context == \"window\" ? 0 : pageScrollY());\n var xOff = lOff.left + (context == \"window\" ? 0 : pageScrollX());\n rect.left += xOff; rect.right += xOff;\n }\n rect.top += yOff; rect.bottom += yOff;\n return rect\n }\n\n // Coverts a box from \"div\" coords to another coordinate system.\n // Context may be \"window\", \"page\", \"div\", or \"local\"./null.\n function fromCoordSystem(cm, coords, context) {\n if (context == \"div\") { return coords }\n var left = coords.left, top = coords.top;\n // First move into \"page\" coordinate system\n if (context == \"page\") {\n left -= pageScrollX();\n top -= pageScrollY();\n } else if (context == \"local\" || !context) {\n var localBox = cm.display.sizer.getBoundingClientRect();\n left += localBox.left;\n top += localBox.top;\n }\n\n var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();\n return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}\n }\n\n function charCoords(cm, pos, context, lineObj, bias) {\n if (!lineObj) { lineObj = getLine(cm.doc, pos.line); }\n return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context)\n }\n\n // Returns a box for a given cursor position, which may have an\n // 'other' property containing the position of the secondary cursor\n // on a bidi boundary.\n // A cursor Pos(line, char, \"before\") is on the same visual line as `char - 1`\n // and after `char - 1` in writing order of `char - 1`\n // A cursor Pos(line, char, \"after\") is on the same visual line as `char`\n // and before `char` in writing order of `char`\n // Examples (upper-case letters are RTL, lower-case are LTR):\n // Pos(0, 1, ...)\n // before after\n // ab a|b a|b\n // aB a|B aB|\n // Ab |Ab A|b\n // AB B|A B|A\n // Every position after the last character on a line is considered to stick\n // to the last character on the line.\n function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {\n lineObj = lineObj || getLine(cm.doc, pos.line);\n if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }\n function get(ch, right) {\n var m = measureCharPrepared(cm, preparedMeasure, ch, right ? \"right\" : \"left\", varHeight);\n if (right) { m.left = m.right; } else { m.right = m.left; }\n return intoCoordSystem(cm, lineObj, m, context)\n }\n var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky;\n if (ch >= lineObj.text.length) {\n ch = lineObj.text.length;\n sticky = \"before\";\n } else if (ch <= 0) {\n ch = 0;\n sticky = \"after\";\n }\n if (!order) { return get(sticky == \"before\" ? ch - 1 : ch, sticky == \"before\") }\n\n function getBidi(ch, partPos, invert) {\n var part = order[partPos], right = part.level == 1;\n return get(invert ? ch - 1 : ch, right != invert)\n }\n var partPos = getBidiPartAt(order, ch, sticky);\n var other = bidiOther;\n var val = getBidi(ch, partPos, sticky == \"before\");\n if (other != null) { val.other = getBidi(ch, other, sticky != \"before\"); }\n return val\n }\n\n // Used to cheaply estimate the coordinates for a position. Used for\n // intermediate scroll updates.\n function estimateCoords(cm, pos) {\n var left = 0;\n pos = clipPos(cm.doc, pos);\n if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; }\n var lineObj = getLine(cm.doc, pos.line);\n var top = heightAtLine(lineObj) + paddingTop(cm.display);\n return {left: left, right: left, top: top, bottom: top + lineObj.height}\n }\n\n // Positions returned by coordsChar contain some extra information.\n // xRel is the relative x position of the input coordinates compared\n // to the found position (so xRel > 0 means the coordinates are to\n // the right of the character position, for example). When outside\n // is true, that means the coordinates lie outside the line's\n // vertical range.\n function PosWithInfo(line, ch, sticky, outside, xRel) {\n var pos = Pos(line, ch, sticky);\n pos.xRel = xRel;\n if (outside) { pos.outside = true; }\n return pos\n }\n\n // Compute the character position closest to the given coordinates.\n // Input must be lineSpace-local (\"div\" coordinate system).\n function coordsChar(cm, x, y) {\n var doc = cm.doc;\n y += cm.display.viewOffset;\n if (y < 0) { return PosWithInfo(doc.first, 0, null, true, -1) }\n var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;\n if (lineN > last)\n { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, true, 1) }\n if (x < 0) { x = 0; }\n\n var lineObj = getLine(doc, lineN);\n for (;;) {\n var found = coordsCharInner(cm, lineObj, lineN, x, y);\n var collapsed = collapsedSpanAround(lineObj, found.ch + (found.xRel > 0 ? 1 : 0));\n if (!collapsed) { return found }\n var rangeEnd = collapsed.find(1);\n if (rangeEnd.line == lineN) { return rangeEnd }\n lineObj = getLine(doc, lineN = rangeEnd.line);\n }\n }\n\n function wrappedLineExtent(cm, lineObj, preparedMeasure, y) {\n y -= widgetTopHeight(lineObj);\n var end = lineObj.text.length;\n var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0);\n end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end);\n return {begin: begin, end: end}\n }\n\n function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) {\n if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }\n var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), \"line\").top;\n return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop)\n }\n\n // Returns true if the given side of a box is after the given\n // coordinates, in top-to-bottom, left-to-right order.\n function boxIsAfter(box, x, y, left) {\n return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x\n }\n\n function coordsCharInner(cm, lineObj, lineNo$$1, x, y) {\n // Move y into line-local coordinate space\n y -= heightAtLine(lineObj);\n var preparedMeasure = prepareMeasureForLine(cm, lineObj);\n // When directly calling `measureCharPrepared`, we have to adjust\n // for the widgets at this line.\n var widgetHeight$$1 = widgetTopHeight(lineObj);\n var begin = 0, end = lineObj.text.length, ltr = true;\n\n var order = getOrder(lineObj, cm.doc.direction);\n // If the line isn't plain left-to-right text, first figure out\n // which bidi section the coordinates fall into.\n if (order) {\n var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart)\n (cm, lineObj, lineNo$$1, preparedMeasure, order, x, y);\n ltr = part.level != 1;\n // The awkward -1 offsets are needed because findFirst (called\n // on these below) will treat its first bound as inclusive,\n // second as exclusive, but we want to actually address the\n // characters in the part's range\n begin = ltr ? part.from : part.to - 1;\n end = ltr ? part.to : part.from - 1;\n }\n\n // A binary search to find the first character whose bounding box\n // starts after the coordinates. If we run across any whose box wrap\n // the coordinates, store that.\n var chAround = null, boxAround = null;\n var ch = findFirst(function (ch) {\n var box = measureCharPrepared(cm, preparedMeasure, ch);\n box.top += widgetHeight$$1; box.bottom += widgetHeight$$1;\n if (!boxIsAfter(box, x, y, false)) { return false }\n if (box.top <= y && box.left <= x) {\n chAround = ch;\n boxAround = box;\n }\n return true\n }, begin, end);\n\n var baseX, sticky, outside = false;\n // If a box around the coordinates was found, use that\n if (boxAround) {\n // Distinguish coordinates nearer to the left or right side of the box\n var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr;\n ch = chAround + (atStart ? 0 : 1);\n sticky = atStart ? \"after\" : \"before\";\n baseX = atLeft ? boxAround.left : boxAround.right;\n } else {\n // (Adjust for extended bound, if necessary.)\n if (!ltr && (ch == end || ch == begin)) { ch++; }\n // To determine which side to associate with, get the box to the\n // left of the character and compare it's vertical position to the\n // coordinates\n sticky = ch == 0 ? \"after\" : ch == lineObj.text.length ? \"before\" :\n (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight$$1 <= y) == ltr ?\n \"after\" : \"before\";\n // Now get accurate coordinates for this place, in order to get a\n // base X position\n var coords = cursorCoords(cm, Pos(lineNo$$1, ch, sticky), \"line\", lineObj, preparedMeasure);\n baseX = coords.left;\n outside = y < coords.top || y >= coords.bottom;\n }\n\n ch = skipExtendingChars(lineObj.text, ch, 1);\n return PosWithInfo(lineNo$$1, ch, sticky, outside, x - baseX)\n }\n\n function coordsBidiPart(cm, lineObj, lineNo$$1, preparedMeasure, order, x, y) {\n // Bidi parts are sorted left-to-right, and in a non-line-wrapping\n // situation, we can take this ordering to correspond to the visual\n // ordering. This finds the first part whose end is after the given\n // coordinates.\n var index = findFirst(function (i) {\n var part = order[i], ltr = part.level != 1;\n return boxIsAfter(cursorCoords(cm, Pos(lineNo$$1, ltr ? part.to : part.from, ltr ? \"before\" : \"after\"),\n \"line\", lineObj, preparedMeasure), x, y, true)\n }, 0, order.length - 1);\n var part = order[index];\n // If this isn't the first part, the part's start is also after\n // the coordinates, and the coordinates aren't on the same line as\n // that start, move one part back.\n if (index > 0) {\n var ltr = part.level != 1;\n var start = cursorCoords(cm, Pos(lineNo$$1, ltr ? part.from : part.to, ltr ? \"after\" : \"before\"),\n \"line\", lineObj, preparedMeasure);\n if (boxIsAfter(start, x, y, true) && start.top > y)\n { part = order[index - 1]; }\n }\n return part\n }\n\n function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) {\n // In a wrapped line, rtl text on wrapping boundaries can do things\n // that don't correspond to the ordering in our `order` array at\n // all, so a binary search doesn't work, and we want to return a\n // part that only spans one line so that the binary search in\n // coordsCharInner is safe. As such, we first find the extent of the\n // wrapped line, and then do a flat search in which we discard any\n // spans that aren't on the line.\n var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y);\n var begin = ref.begin;\n var end = ref.end;\n if (/\\s/.test(lineObj.text.charAt(end - 1))) { end--; }\n var part = null, closestDist = null;\n for (var i = 0; i < order.length; i++) {\n var p = order[i];\n if (p.from >= end || p.to <= begin) { continue }\n var ltr = p.level != 1;\n var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right;\n // Weigh against spans ending before this, so that they are only\n // picked if nothing ends after\n var dist = endX < x ? x - endX + 1e9 : endX - x;\n if (!part || closestDist > dist) {\n part = p;\n closestDist = dist;\n }\n }\n if (!part) { part = order[order.length - 1]; }\n // Clip the part to the wrapped line.\n if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; }\n if (part.to > end) { part = {from: part.from, to: end, level: part.level}; }\n return part\n }\n\n var measureText;\n // Compute the default text height.\n function textHeight(display) {\n if (display.cachedTextHeight != null) { return display.cachedTextHeight }\n if (measureText == null) {\n measureText = elt(\"pre\");\n // Measure a bunch of lines, for browsers that compute\n // fractional heights.\n for (var i = 0; i < 49; ++i) {\n measureText.appendChild(document.createTextNode(\"x\"));\n measureText.appendChild(elt(\"br\"));\n }\n measureText.appendChild(document.createTextNode(\"x\"));\n }\n removeChildrenAndAdd(display.measure, measureText);\n var height = measureText.offsetHeight / 50;\n if (height > 3) { display.cachedTextHeight = height; }\n removeChildren(display.measure);\n return height || 1\n }\n\n // Compute the default character width.\n function charWidth(display) {\n if (display.cachedCharWidth != null) { return display.cachedCharWidth }\n var anchor = elt(\"span\", \"xxxxxxxxxx\");\n var pre = elt(\"pre\", [anchor]);\n removeChildrenAndAdd(display.measure, pre);\n var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;\n if (width > 2) { display.cachedCharWidth = width; }\n return width || 10\n }\n\n // Do a bulk-read of the DOM positions and sizes needed to draw the\n // view, so that we don't interleave reading and writing to the DOM.\n function getDimensions(cm) {\n var d = cm.display, left = {}, width = {};\n var gutterLeft = d.gutters.clientLeft;\n for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {\n var id = cm.display.gutterSpecs[i].className;\n left[id] = n.offsetLeft + n.clientLeft + gutterLeft;\n width[id] = n.clientWidth;\n }\n return {fixedPos: compensateForHScroll(d),\n gutterTotalWidth: d.gutters.offsetWidth,\n gutterLeft: left,\n gutterWidth: width,\n wrapperWidth: d.wrapper.clientWidth}\n }\n\n // Computes display.scroller.scrollLeft + display.gutters.offsetWidth,\n // but using getBoundingClientRect to get a sub-pixel-accurate\n // result.\n function compensateForHScroll(display) {\n return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left\n }\n\n // Returns a function that estimates the height of a line, to use as\n // first approximation until the line becomes visible (and is thus\n // properly measurable).\n function estimateHeight(cm) {\n var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;\n var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);\n return function (line) {\n if (lineIsHidden(cm.doc, line)) { return 0 }\n\n var widgetsHeight = 0;\n if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) {\n if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; }\n } }\n\n if (wrapping)\n { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th }\n else\n { return widgetsHeight + th }\n }\n }\n\n function estimateLineHeights(cm) {\n var doc = cm.doc, est = estimateHeight(cm);\n doc.iter(function (line) {\n var estHeight = est(line);\n if (estHeight != line.height) { updateLineHeight(line, estHeight); }\n });\n }\n\n // Given a mouse event, find the corresponding position. If liberal\n // is false, it checks whether a gutter or scrollbar was clicked,\n // and returns null if it was. forRect is used by rectangular\n // selections, and tries to estimate a character position even for\n // coordinates beyond the right of the text.\n function posFromMouse(cm, e, liberal, forRect) {\n var display = cm.display;\n if (!liberal && e_target(e).getAttribute(\"cm-not-content\") == \"true\") { return null }\n\n var x, y, space = display.lineSpace.getBoundingClientRect();\n // Fails unpredictably on IE[67] when mouse is dragged around quickly.\n try { x = e.clientX - space.left; y = e.clientY - space.top; }\n catch (e) { return null }\n var coords = coordsChar(cm, x, y), line;\n if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {\n var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;\n coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));\n }\n return coords\n }\n\n // Find the view element corresponding to a given line. Return null\n // when the line isn't visible.\n function findViewIndex(cm, n) {\n if (n >= cm.display.viewTo) { return null }\n n -= cm.display.viewFrom;\n if (n < 0) { return null }\n var view = cm.display.view;\n for (var i = 0; i < view.length; i++) {\n n -= view[i].size;\n if (n < 0) { return i }\n }\n }\n\n // Updates the display.view data structure for a given change to the\n // document. From and to are in pre-change coordinates. Lendiff is\n // the amount of lines added or subtracted by the change. This is\n // used for changes that span multiple lines, or change the way\n // lines are divided into visual lines. regLineChange (below)\n // registers single-line changes.\n function regChange(cm, from, to, lendiff) {\n if (from == null) { from = cm.doc.first; }\n if (to == null) { to = cm.doc.first + cm.doc.size; }\n if (!lendiff) { lendiff = 0; }\n\n var display = cm.display;\n if (lendiff && to < display.viewTo &&\n (display.updateLineNumbers == null || display.updateLineNumbers > from))\n { display.updateLineNumbers = from; }\n\n cm.curOp.viewChanged = true;\n\n if (from >= display.viewTo) { // Change after\n if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)\n { resetView(cm); }\n } else if (to <= display.viewFrom) { // Change before\n if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {\n resetView(cm);\n } else {\n display.viewFrom += lendiff;\n display.viewTo += lendiff;\n }\n } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap\n resetView(cm);\n } else if (from <= display.viewFrom) { // Top overlap\n var cut = viewCuttingPoint(cm, to, to + lendiff, 1);\n if (cut) {\n display.view = display.view.slice(cut.index);\n display.viewFrom = cut.lineN;\n display.viewTo += lendiff;\n } else {\n resetView(cm);\n }\n } else if (to >= display.viewTo) { // Bottom overlap\n var cut$1 = viewCuttingPoint(cm, from, from, -1);\n if (cut$1) {\n display.view = display.view.slice(0, cut$1.index);\n display.viewTo = cut$1.lineN;\n } else {\n resetView(cm);\n }\n } else { // Gap in the middle\n var cutTop = viewCuttingPoint(cm, from, from, -1);\n var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);\n if (cutTop && cutBot) {\n display.view = display.view.slice(0, cutTop.index)\n .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))\n .concat(display.view.slice(cutBot.index));\n display.viewTo += lendiff;\n } else {\n resetView(cm);\n }\n }\n\n var ext = display.externalMeasured;\n if (ext) {\n if (to < ext.lineN)\n { ext.lineN += lendiff; }\n else if (from < ext.lineN + ext.size)\n { display.externalMeasured = null; }\n }\n }\n\n // Register a change to a single line. Type must be one of \"text\",\n // \"gutter\", \"class\", \"widget\"\n function regLineChange(cm, line, type) {\n cm.curOp.viewChanged = true;\n var display = cm.display, ext = cm.display.externalMeasured;\n if (ext && line >= ext.lineN && line < ext.lineN + ext.size)\n { display.externalMeasured = null; }\n\n if (line < display.viewFrom || line >= display.viewTo) { return }\n var lineView = display.view[findViewIndex(cm, line)];\n if (lineView.node == null) { return }\n var arr = lineView.changes || (lineView.changes = []);\n if (indexOf(arr, type) == -1) { arr.push(type); }\n }\n\n // Clear the view.\n function resetView(cm) {\n cm.display.viewFrom = cm.display.viewTo = cm.doc.first;\n cm.display.view = [];\n cm.display.viewOffset = 0;\n }\n\n function viewCuttingPoint(cm, oldN, newN, dir) {\n var index = findViewIndex(cm, oldN), diff, view = cm.display.view;\n if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)\n { return {index: index, lineN: newN} }\n var n = cm.display.viewFrom;\n for (var i = 0; i < index; i++)\n { n += view[i].size; }\n if (n != oldN) {\n if (dir > 0) {\n if (index == view.length - 1) { return null }\n diff = (n + view[index].size) - oldN;\n index++;\n } else {\n diff = n - oldN;\n }\n oldN += diff; newN += diff;\n }\n while (visualLineNo(cm.doc, newN) != newN) {\n if (index == (dir < 0 ? 0 : view.length - 1)) { return null }\n newN += dir * view[index - (dir < 0 ? 1 : 0)].size;\n index += dir;\n }\n return {index: index, lineN: newN}\n }\n\n // Force the view to cover a given range, adding empty view element\n // or clipping off existing ones as needed.\n function adjustView(cm, from, to) {\n var display = cm.display, view = display.view;\n if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {\n display.view = buildViewArray(cm, from, to);\n display.viewFrom = from;\n } else {\n if (display.viewFrom > from)\n { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); }\n else if (display.viewFrom < from)\n { display.view = display.view.slice(findViewIndex(cm, from)); }\n display.viewFrom = from;\n if (display.viewTo < to)\n { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); }\n else if (display.viewTo > to)\n { display.view = display.view.slice(0, findViewIndex(cm, to)); }\n }\n display.viewTo = to;\n }\n\n // Count the number of lines in the view whose DOM representation is\n // out of date (or nonexistent).\n function countDirtyView(cm) {\n var view = cm.display.view, dirty = 0;\n for (var i = 0; i < view.length; i++) {\n var lineView = view[i];\n if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; }\n }\n return dirty\n }\n\n function updateSelection(cm) {\n cm.display.input.showSelection(cm.display.input.prepareSelection());\n }\n\n function prepareSelection(cm, primary) {\n if ( primary === void 0 ) primary = true;\n\n var doc = cm.doc, result = {};\n var curFragment = result.cursors = document.createDocumentFragment();\n var selFragment = result.selection = document.createDocumentFragment();\n\n for (var i = 0; i < doc.sel.ranges.length; i++) {\n if (!primary && i == doc.sel.primIndex) { continue }\n var range$$1 = doc.sel.ranges[i];\n if (range$$1.from().line >= cm.display.viewTo || range$$1.to().line < cm.display.viewFrom) { continue }\n var collapsed = range$$1.empty();\n if (collapsed || cm.options.showCursorWhenSelecting)\n { drawSelectionCursor(cm, range$$1.head, curFragment); }\n if (!collapsed)\n { drawSelectionRange(cm, range$$1, selFragment); }\n }\n return result\n }\n\n // Draws a cursor for the given range\n function drawSelectionCursor(cm, head, output) {\n var pos = cursorCoords(cm, head, \"div\", null, null, !cm.options.singleCursorHeightPerLine);\n\n var cursor = output.appendChild(elt(\"div\", \"\\u00a0\", \"CodeMirror-cursor\"));\n cursor.style.left = pos.left + \"px\";\n cursor.style.top = pos.top + \"px\";\n cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + \"px\";\n\n if (pos.other) {\n // Secondary cursor, shown when on a 'jump' in bi-directional text\n var otherCursor = output.appendChild(elt(\"div\", \"\\u00a0\", \"CodeMirror-cursor CodeMirror-secondarycursor\"));\n otherCursor.style.display = \"\";\n otherCursor.style.left = pos.other.left + \"px\";\n otherCursor.style.top = pos.other.top + \"px\";\n otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + \"px\";\n }\n }\n\n function cmpCoords(a, b) { return a.top - b.top || a.left - b.left }\n\n // Draws the given range as a highlighted selection\n function drawSelectionRange(cm, range$$1, output) {\n var display = cm.display, doc = cm.doc;\n var fragment = document.createDocumentFragment();\n var padding = paddingH(cm.display), leftSide = padding.left;\n var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right;\n var docLTR = doc.direction == \"ltr\";\n\n function add(left, top, width, bottom) {\n if (top < 0) { top = 0; }\n top = Math.round(top);\n bottom = Math.round(bottom);\n fragment.appendChild(elt(\"div\", null, \"CodeMirror-selected\", (\"position: absolute; left: \" + left + \"px;\\n top: \" + top + \"px; width: \" + (width == null ? rightSide - left : width) + \"px;\\n height: \" + (bottom - top) + \"px\")));\n }\n\n function drawForLine(line, fromArg, toArg) {\n var lineObj = getLine(doc, line);\n var lineLen = lineObj.text.length;\n var start, end;\n function coords(ch, bias) {\n return charCoords(cm, Pos(line, ch), \"div\", lineObj, bias)\n }\n\n function wrapX(pos, dir, side) {\n var extent = wrappedLineExtentChar(cm, lineObj, null, pos);\n var prop = (dir == \"ltr\") == (side == \"after\") ? \"left\" : \"right\";\n var ch = side == \"after\" ? extent.begin : extent.end - (/\\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1);\n return coords(ch, prop)[prop]\n }\n\n var order = getOrder(lineObj, doc.direction);\n iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) {\n var ltr = dir == \"ltr\";\n var fromPos = coords(from, ltr ? \"left\" : \"right\");\n var toPos = coords(to - 1, ltr ? \"right\" : \"left\");\n\n var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen;\n var first = i == 0, last = !order || i == order.length - 1;\n if (toPos.top - fromPos.top <= 3) { // Single line\n var openLeft = (docLTR ? openStart : openEnd) && first;\n var openRight = (docLTR ? openEnd : openStart) && last;\n var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left;\n var right = openRight ? rightSide : (ltr ? toPos : fromPos).right;\n add(left, fromPos.top, right - left, fromPos.bottom);\n } else { // Multiple lines\n var topLeft, topRight, botLeft, botRight;\n if (ltr) {\n topLeft = docLTR && openStart && first ? leftSide : fromPos.left;\n topRight = docLTR ? rightSide : wrapX(from, dir, \"before\");\n botLeft = docLTR ? leftSide : wrapX(to, dir, \"after\");\n botRight = docLTR && openEnd && last ? rightSide : toPos.right;\n } else {\n topLeft = !docLTR ? leftSide : wrapX(from, dir, \"before\");\n topRight = !docLTR && openStart && first ? rightSide : fromPos.right;\n botLeft = !docLTR && openEnd && last ? leftSide : toPos.left;\n botRight = !docLTR ? rightSide : wrapX(to, dir, \"after\");\n }\n add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom);\n if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); }\n add(botLeft, toPos.top, botRight - botLeft, toPos.bottom);\n }\n\n if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; }\n if (cmpCoords(toPos, start) < 0) { start = toPos; }\n if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; }\n if (cmpCoords(toPos, end) < 0) { end = toPos; }\n });\n return {start: start, end: end}\n }\n\n var sFrom = range$$1.from(), sTo = range$$1.to();\n if (sFrom.line == sTo.line) {\n drawForLine(sFrom.line, sFrom.ch, sTo.ch);\n } else {\n var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);\n var singleVLine = visualLine(fromLine) == visualLine(toLine);\n var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;\n var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;\n if (singleVLine) {\n if (leftEnd.top < rightStart.top - 2) {\n add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);\n add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);\n } else {\n add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);\n }\n }\n if (leftEnd.bottom < rightStart.top)\n { add(leftSide, leftEnd.bottom, null, rightStart.top); }\n }\n\n output.appendChild(fragment);\n }\n\n // Cursor-blinking\n function restartBlink(cm) {\n if (!cm.state.focused) { return }\n var display = cm.display;\n clearInterval(display.blinker);\n var on = true;\n display.cursorDiv.style.visibility = \"\";\n if (cm.options.cursorBlinkRate > 0)\n { display.blinker = setInterval(function () { return display.cursorDiv.style.visibility = (on = !on) ? \"\" : \"hidden\"; },\n cm.options.cursorBlinkRate); }\n else if (cm.options.cursorBlinkRate < 0)\n { display.cursorDiv.style.visibility = \"hidden\"; }\n }\n\n function ensureFocus(cm) {\n if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); }\n }\n\n function delayBlurEvent(cm) {\n cm.state.delayingBlurEvent = true;\n setTimeout(function () { if (cm.state.delayingBlurEvent) {\n cm.state.delayingBlurEvent = false;\n onBlur(cm);\n } }, 100);\n }\n\n function onFocus(cm, e) {\n if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false; }\n\n if (cm.options.readOnly == \"nocursor\") { return }\n if (!cm.state.focused) {\n signal(cm, \"focus\", cm, e);\n cm.state.focused = true;\n addClass(cm.display.wrapper, \"CodeMirror-focused\");\n // This test prevents this from firing when a context\n // menu is closed (since the input reset would kill the\n // select-all detection hack)\n if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {\n cm.display.input.reset();\n if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730\n }\n cm.display.input.receivedFocus();\n }\n restartBlink(cm);\n }\n function onBlur(cm, e) {\n if (cm.state.delayingBlurEvent) { return }\n\n if (cm.state.focused) {\n signal(cm, \"blur\", cm, e);\n cm.state.focused = false;\n rmClass(cm.display.wrapper, \"CodeMirror-focused\");\n }\n clearInterval(cm.display.blinker);\n setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150);\n }\n\n // Read the actual heights of the rendered lines, and update their\n // stored heights to match.\n function updateHeightsInViewport(cm) {\n var display = cm.display;\n var prevBottom = display.lineDiv.offsetTop;\n for (var i = 0; i < display.view.length; i++) {\n var cur = display.view[i], wrapping = cm.options.lineWrapping;\n var height = (void 0), width = 0;\n if (cur.hidden) { continue }\n if (ie && ie_version < 8) {\n var bot = cur.node.offsetTop + cur.node.offsetHeight;\n height = bot - prevBottom;\n prevBottom = bot;\n } else {\n var box = cur.node.getBoundingClientRect();\n height = box.bottom - box.top;\n // Check that lines don't extend past the right of the current\n // editor width\n if (!wrapping && cur.text.firstChild)\n { width = cur.text.firstChild.getBoundingClientRect().right - box.left - 1; }\n }\n var diff = cur.line.height - height;\n if (diff > .005 || diff < -.005) {\n updateLineHeight(cur.line, height);\n updateWidgetHeight(cur.line);\n if (cur.rest) { for (var j = 0; j < cur.rest.length; j++)\n { updateWidgetHeight(cur.rest[j]); } }\n }\n if (width > cm.display.sizerWidth) {\n var chWidth = Math.ceil(width / charWidth(cm.display));\n if (chWidth > cm.display.maxLineLength) {\n cm.display.maxLineLength = chWidth;\n cm.display.maxLine = cur.line;\n cm.display.maxLineChanged = true;\n }\n }\n }\n }\n\n // Read and store the height of line widgets associated with the\n // given line.\n function updateWidgetHeight(line) {\n if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i) {\n var w = line.widgets[i], parent = w.node.parentNode;\n if (parent) { w.height = parent.offsetHeight; }\n } }\n }\n\n // Compute the lines that are visible in a given viewport (defaults\n // the the current scroll position). viewport may contain top,\n // height, and ensure (see op.scrollToPos) properties.\n function visibleLines(display, doc, viewport) {\n var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;\n top = Math.floor(top - paddingTop(display));\n var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;\n\n var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);\n // Ensure is a {from: {line, ch}, to: {line, ch}} object, and\n // forces those lines into the viewport (if possible).\n if (viewport && viewport.ensure) {\n var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;\n if (ensureFrom < from) {\n from = ensureFrom;\n to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight);\n } else if (Math.min(ensureTo, doc.lastLine()) >= to) {\n from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight);\n to = ensureTo;\n }\n }\n return {from: from, to: Math.max(to, from + 1)}\n }\n\n // SCROLLING THINGS INTO VIEW\n\n // If an editor sits on the top or bottom of the window, partially\n // scrolled out of view, this ensures that the cursor is visible.\n function maybeScrollWindow(cm, rect) {\n if (signalDOMEvent(cm, \"scrollCursorIntoView\")) { return }\n\n var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;\n if (rect.top + box.top < 0) { doScroll = true; }\n else if (rect.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) { doScroll = false; }\n if (doScroll != null && !phantom) {\n var scrollNode = elt(\"div\", \"\\u200b\", null, (\"position: absolute;\\n top: \" + (rect.top - display.viewOffset - paddingTop(cm.display)) + \"px;\\n height: \" + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + \"px;\\n left: \" + (rect.left) + \"px; width: \" + (Math.max(2, rect.right - rect.left)) + \"px;\"));\n cm.display.lineSpace.appendChild(scrollNode);\n scrollNode.scrollIntoView(doScroll);\n cm.display.lineSpace.removeChild(scrollNode);\n }\n }\n\n // Scroll a given position into view (immediately), verifying that\n // it actually became visible (as line heights are accurately\n // measured, the position of something may 'drift' during drawing).\n function scrollPosIntoView(cm, pos, end, margin) {\n if (margin == null) { margin = 0; }\n var rect;\n if (!cm.options.lineWrapping && pos == end) {\n // Set pos and end to the cursor positions around the character pos sticks to\n // If pos.sticky == \"before\", that is around pos.ch - 1, otherwise around pos.ch\n // If pos == Pos(_, 0, \"before\"), pos and end are unchanged\n pos = pos.ch ? Pos(pos.line, pos.sticky == \"before\" ? pos.ch - 1 : pos.ch, \"after\") : pos;\n end = pos.sticky == \"before\" ? Pos(pos.line, pos.ch + 1, \"before\") : pos;\n }\n for (var limit = 0; limit < 5; limit++) {\n var changed = false;\n var coords = cursorCoords(cm, pos);\n var endCoords = !end || end == pos ? coords : cursorCoords(cm, end);\n rect = {left: Math.min(coords.left, endCoords.left),\n top: Math.min(coords.top, endCoords.top) - margin,\n right: Math.max(coords.left, endCoords.left),\n bottom: Math.max(coords.bottom, endCoords.bottom) + margin};\n var scrollPos = calculateScrollPos(cm, rect);\n var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;\n if (scrollPos.scrollTop != null) {\n updateScrollTop(cm, scrollPos.scrollTop);\n if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; }\n }\n if (scrollPos.scrollLeft != null) {\n setScrollLeft(cm, scrollPos.scrollLeft);\n if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; }\n }\n if (!changed) { break }\n }\n return rect\n }\n\n // Scroll a given set of coordinates into view (immediately).\n function scrollIntoView(cm, rect) {\n var scrollPos = calculateScrollPos(cm, rect);\n if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); }\n if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); }\n }\n\n // Calculate a new scroll position needed to scroll the given\n // rectangle into view. Returns an object with scrollTop and\n // scrollLeft properties. When these are undefined, the\n // vertical/horizontal position does not need to be adjusted.\n function calculateScrollPos(cm, rect) {\n var display = cm.display, snapMargin = textHeight(cm.display);\n if (rect.top < 0) { rect.top = 0; }\n var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;\n var screen = displayHeight(cm), result = {};\n if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; }\n var docBottom = cm.doc.height + paddingVert(display);\n var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin;\n if (rect.top < screentop) {\n result.scrollTop = atTop ? 0 : rect.top;\n } else if (rect.bottom > screentop + screen) {\n var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen);\n if (newTop != screentop) { result.scrollTop = newTop; }\n }\n\n var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft;\n var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0);\n var tooWide = rect.right - rect.left > screenw;\n if (tooWide) { rect.right = rect.left + screenw; }\n if (rect.left < 10)\n { result.scrollLeft = 0; }\n else if (rect.left < screenleft)\n { result.scrollLeft = Math.max(0, rect.left - (tooWide ? 0 : 10)); }\n else if (rect.right > screenw + screenleft - 3)\n { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; }\n return result\n }\n\n // Store a relative adjustment to the scroll position in the current\n // operation (to be applied when the operation finishes).\n function addToScrollTop(cm, top) {\n if (top == null) { return }\n resolveScrollToPos(cm);\n cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;\n }\n\n // Make sure that at the end of the operation the current cursor is\n // shown.\n function ensureCursorVisible(cm) {\n resolveScrollToPos(cm);\n var cur = cm.getCursor();\n cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin};\n }\n\n function scrollToCoords(cm, x, y) {\n if (x != null || y != null) { resolveScrollToPos(cm); }\n if (x != null) { cm.curOp.scrollLeft = x; }\n if (y != null) { cm.curOp.scrollTop = y; }\n }\n\n function scrollToRange(cm, range$$1) {\n resolveScrollToPos(cm);\n cm.curOp.scrollToPos = range$$1;\n }\n\n // When an operation has its scrollToPos property set, and another\n // scroll action is applied before the end of the operation, this\n // 'simulates' scrolling that position into view in a cheap way, so\n // that the effect of intermediate scroll commands is not ignored.\n function resolveScrollToPos(cm) {\n var range$$1 = cm.curOp.scrollToPos;\n if (range$$1) {\n cm.curOp.scrollToPos = null;\n var from = estimateCoords(cm, range$$1.from), to = estimateCoords(cm, range$$1.to);\n scrollToCoordsRange(cm, from, to, range$$1.margin);\n }\n }\n\n function scrollToCoordsRange(cm, from, to, margin) {\n var sPos = calculateScrollPos(cm, {\n left: Math.min(from.left, to.left),\n top: Math.min(from.top, to.top) - margin,\n right: Math.max(from.right, to.right),\n bottom: Math.max(from.bottom, to.bottom) + margin\n });\n scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop);\n }\n\n // Sync the scrollable area and scrollbars, ensure the viewport\n // covers the visible area.\n function updateScrollTop(cm, val) {\n if (Math.abs(cm.doc.scrollTop - val) < 2) { return }\n if (!gecko) { updateDisplaySimple(cm, {top: val}); }\n setScrollTop(cm, val, true);\n if (gecko) { updateDisplaySimple(cm); }\n startWorker(cm, 100);\n }\n\n function setScrollTop(cm, val, forceScroll) {\n val = Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val);\n if (cm.display.scroller.scrollTop == val && !forceScroll) { return }\n cm.doc.scrollTop = val;\n cm.display.scrollbars.setScrollTop(val);\n if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; }\n }\n\n // Sync scroller and scrollbar, ensure the gutter elements are\n // aligned.\n function setScrollLeft(cm, val, isScroller, forceScroll) {\n val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth);\n if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return }\n cm.doc.scrollLeft = val;\n alignHorizontally(cm);\n if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; }\n cm.display.scrollbars.setScrollLeft(val);\n }\n\n // SCROLLBARS\n\n // Prepare DOM reads needed to update the scrollbars. Done in one\n // shot to minimize update/measure roundtrips.\n function measureForScrollbars(cm) {\n var d = cm.display, gutterW = d.gutters.offsetWidth;\n var docH = Math.round(cm.doc.height + paddingVert(cm.display));\n return {\n clientHeight: d.scroller.clientHeight,\n viewHeight: d.wrapper.clientHeight,\n scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,\n viewWidth: d.wrapper.clientWidth,\n barLeft: cm.options.fixedGutter ? gutterW : 0,\n docHeight: docH,\n scrollHeight: docH + scrollGap(cm) + d.barHeight,\n nativeBarWidth: d.nativeBarWidth,\n gutterWidth: gutterW\n }\n }\n\n var NativeScrollbars = function(place, scroll, cm) {\n this.cm = cm;\n var vert = this.vert = elt(\"div\", [elt(\"div\", null, null, \"min-width: 1px\")], \"CodeMirror-vscrollbar\");\n var horiz = this.horiz = elt(\"div\", [elt(\"div\", null, null, \"height: 100%; min-height: 1px\")], \"CodeMirror-hscrollbar\");\n vert.tabIndex = horiz.tabIndex = -1;\n place(vert); place(horiz);\n\n on(vert, \"scroll\", function () {\n if (vert.clientHeight) { scroll(vert.scrollTop, \"vertical\"); }\n });\n on(horiz, \"scroll\", function () {\n if (horiz.clientWidth) { scroll(horiz.scrollLeft, \"horizontal\"); }\n });\n\n this.checkedZeroWidth = false;\n // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).\n if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = \"18px\"; }\n };\n\n NativeScrollbars.prototype.update = function (measure) {\n var needsH = measure.scrollWidth > measure.clientWidth + 1;\n var needsV = measure.scrollHeight > measure.clientHeight + 1;\n var sWidth = measure.nativeBarWidth;\n\n if (needsV) {\n this.vert.style.display = \"block\";\n this.vert.style.bottom = needsH ? sWidth + \"px\" : \"0\";\n var totalHeight = measure.viewHeight - (needsH ? sWidth : 0);\n // A bug in IE8 can cause this value to be negative, so guard it.\n this.vert.firstChild.style.height =\n Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + \"px\";\n } else {\n this.vert.style.display = \"\";\n this.vert.firstChild.style.height = \"0\";\n }\n\n if (needsH) {\n this.horiz.style.display = \"block\";\n this.horiz.style.right = needsV ? sWidth + \"px\" : \"0\";\n this.horiz.style.left = measure.barLeft + \"px\";\n var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0);\n this.horiz.firstChild.style.width =\n Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + \"px\";\n } else {\n this.horiz.style.display = \"\";\n this.horiz.firstChild.style.width = \"0\";\n }\n\n if (!this.checkedZeroWidth && measure.clientHeight > 0) {\n if (sWidth == 0) { this.zeroWidthHack(); }\n this.checkedZeroWidth = true;\n }\n\n return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}\n };\n\n NativeScrollbars.prototype.setScrollLeft = function (pos) {\n if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; }\n if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, \"horiz\"); }\n };\n\n NativeScrollbars.prototype.setScrollTop = function (pos) {\n if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; }\n if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, \"vert\"); }\n };\n\n NativeScrollbars.prototype.zeroWidthHack = function () {\n var w = mac && !mac_geMountainLion ? \"12px\" : \"18px\";\n this.horiz.style.height = this.vert.style.width = w;\n this.horiz.style.pointerEvents = this.vert.style.pointerEvents = \"none\";\n this.disableHoriz = new Delayed;\n this.disableVert = new Delayed;\n };\n\n NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) {\n bar.style.pointerEvents = \"auto\";\n function maybeDisable() {\n // To find out whether the scrollbar is still visible, we\n // check whether the element under the pixel in the bottom\n // right corner of the scrollbar box is the scrollbar box\n // itself (when the bar is still visible) or its filler child\n // (when the bar is hidden). If it is still visible, we keep\n // it enabled, if it's hidden, we disable pointer events.\n var box = bar.getBoundingClientRect();\n var elt$$1 = type == \"vert\" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2)\n : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1);\n if (elt$$1 != bar) { bar.style.pointerEvents = \"none\"; }\n else { delay.set(1000, maybeDisable); }\n }\n delay.set(1000, maybeDisable);\n };\n\n NativeScrollbars.prototype.clear = function () {\n var parent = this.horiz.parentNode;\n parent.removeChild(this.horiz);\n parent.removeChild(this.vert);\n };\n\n var NullScrollbars = function () {};\n\n NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} };\n NullScrollbars.prototype.setScrollLeft = function () {};\n NullScrollbars.prototype.setScrollTop = function () {};\n NullScrollbars.prototype.clear = function () {};\n\n function updateScrollbars(cm, measure) {\n if (!measure) { measure = measureForScrollbars(cm); }\n var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight;\n updateScrollbarsInner(cm, measure);\n for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {\n if (startWidth != cm.display.barWidth && cm.options.lineWrapping)\n { updateHeightsInViewport(cm); }\n updateScrollbarsInner(cm, measureForScrollbars(cm));\n startWidth = cm.display.barWidth; startHeight = cm.display.barHeight;\n }\n }\n\n // Re-synchronize the fake scrollbars with the actual size of the\n // content.\n function updateScrollbarsInner(cm, measure) {\n var d = cm.display;\n var sizes = d.scrollbars.update(measure);\n\n d.sizer.style.paddingRight = (d.barWidth = sizes.right) + \"px\";\n d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + \"px\";\n d.heightForcer.style.borderBottom = sizes.bottom + \"px solid transparent\";\n\n if (sizes.right && sizes.bottom) {\n d.scrollbarFiller.style.display = \"block\";\n d.scrollbarFiller.style.height = sizes.bottom + \"px\";\n d.scrollbarFiller.style.width = sizes.right + \"px\";\n } else { d.scrollbarFiller.style.display = \"\"; }\n if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {\n d.gutterFiller.style.display = \"block\";\n d.gutterFiller.style.height = sizes.bottom + \"px\";\n d.gutterFiller.style.width = measure.gutterWidth + \"px\";\n } else { d.gutterFiller.style.display = \"\"; }\n }\n\n var scrollbarModel = {\"native\": NativeScrollbars, \"null\": NullScrollbars};\n\n function initScrollbars(cm) {\n if (cm.display.scrollbars) {\n cm.display.scrollbars.clear();\n if (cm.display.scrollbars.addClass)\n { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); }\n }\n\n cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) {\n cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller);\n // Prevent clicks in the scrollbars from killing focus\n on(node, \"mousedown\", function () {\n if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); }\n });\n node.setAttribute(\"cm-not-content\", \"true\");\n }, function (pos, axis) {\n if (axis == \"horizontal\") { setScrollLeft(cm, pos); }\n else { updateScrollTop(cm, pos); }\n }, cm);\n if (cm.display.scrollbars.addClass)\n { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); }\n }\n\n // Operations are used to wrap a series of changes to the editor\n // state in such a way that each change won't have to update the\n // cursor and display (which would be awkward, slow, and\n // error-prone). Instead, display updates are batched and then all\n // combined and executed at once.\n\n var nextOpId = 0;\n // Start a new operation.\n function startOperation(cm) {\n cm.curOp = {\n cm: cm,\n viewChanged: false, // Flag that indicates that lines might need to be redrawn\n startHeight: cm.doc.height, // Used to detect need to update scrollbar\n forceUpdate: false, // Used to force a redraw\n updateInput: 0, // Whether to reset the input textarea\n typing: false, // Whether this reset should be careful to leave existing text (for compositing)\n changeObjs: null, // Accumulated changes, for firing change events\n cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on\n cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already\n selectionChanged: false, // Whether the selection needs to be redrawn\n updateMaxLine: false, // Set when the widest line needs to be determined anew\n scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet\n scrollToPos: null, // Used to scroll to a specific position\n focus: false,\n id: ++nextOpId // Unique ID\n };\n pushOperation(cm.curOp);\n }\n\n // Finish an operation, updating the display and signalling delayed events\n function endOperation(cm) {\n var op = cm.curOp;\n if (op) { finishOperation(op, function (group) {\n for (var i = 0; i < group.ops.length; i++)\n { group.ops[i].cm.curOp = null; }\n endOperations(group);\n }); }\n }\n\n // The DOM updates done when an operation finishes are batched so\n // that the minimum number of relayouts are required.\n function endOperations(group) {\n var ops = group.ops;\n for (var i = 0; i < ops.length; i++) // Read DOM\n { endOperation_R1(ops[i]); }\n for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe)\n { endOperation_W1(ops[i$1]); }\n for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM\n { endOperation_R2(ops[i$2]); }\n for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe)\n { endOperation_W2(ops[i$3]); }\n for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM\n { endOperation_finish(ops[i$4]); }\n }\n\n function endOperation_R1(op) {\n var cm = op.cm, display = cm.display;\n maybeClipScrollbars(cm);\n if (op.updateMaxLine) { findMaxLine(cm); }\n\n op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||\n op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||\n op.scrollToPos.to.line >= display.viewTo) ||\n display.maxLineChanged && cm.options.lineWrapping;\n op.update = op.mustUpdate &&\n new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);\n }\n\n function endOperation_W1(op) {\n op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);\n }\n\n function endOperation_R2(op) {\n var cm = op.cm, display = cm.display;\n if (op.updatedDisplay) { updateHeightsInViewport(cm); }\n\n op.barMeasure = measureForScrollbars(cm);\n\n // If the max line changed since it was last measured, measure it,\n // and ensure the document's width matches it.\n // updateDisplay_W2 will use these properties to do the actual resizing\n if (display.maxLineChanged && !cm.options.lineWrapping) {\n op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;\n cm.display.sizerWidth = op.adjustWidthTo;\n op.barMeasure.scrollWidth =\n Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth);\n op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm));\n }\n\n if (op.updatedDisplay || op.selectionChanged)\n { op.preparedSelection = display.input.prepareSelection(); }\n }\n\n function endOperation_W2(op) {\n var cm = op.cm;\n\n if (op.adjustWidthTo != null) {\n cm.display.sizer.style.minWidth = op.adjustWidthTo + \"px\";\n if (op.maxScrollLeft < cm.doc.scrollLeft)\n { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); }\n cm.display.maxLineChanged = false;\n }\n\n var takeFocus = op.focus && op.focus == activeElt();\n if (op.preparedSelection)\n { cm.display.input.showSelection(op.preparedSelection, takeFocus); }\n if (op.updatedDisplay || op.startHeight != cm.doc.height)\n { updateScrollbars(cm, op.barMeasure); }\n if (op.updatedDisplay)\n { setDocumentHeight(cm, op.barMeasure); }\n\n if (op.selectionChanged) { restartBlink(cm); }\n\n if (cm.state.focused && op.updateInput)\n { cm.display.input.reset(op.typing); }\n if (takeFocus) { ensureFocus(op.cm); }\n }\n\n function endOperation_finish(op) {\n var cm = op.cm, display = cm.display, doc = cm.doc;\n\n if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); }\n\n // Abort mouse wheel delta measurement, when scrolling explicitly\n if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))\n { display.wheelStartX = display.wheelStartY = null; }\n\n // Propagate the scroll position to the actual DOM scroller\n if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); }\n\n if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); }\n // If we need to scroll a specific position into view, do so.\n if (op.scrollToPos) {\n var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),\n clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);\n maybeScrollWindow(cm, rect);\n }\n\n // Fire events for markers that are hidden/unidden by editing or\n // undoing\n var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;\n if (hidden) { for (var i = 0; i < hidden.length; ++i)\n { if (!hidden[i].lines.length) { signal(hidden[i], \"hide\"); } } }\n if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1)\n { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], \"unhide\"); } } }\n\n if (display.wrapper.offsetHeight)\n { doc.scrollTop = cm.display.scroller.scrollTop; }\n\n // Fire change events, and delayed event handlers\n if (op.changeObjs)\n { signal(cm, \"changes\", cm, op.changeObjs); }\n if (op.update)\n { op.update.finish(); }\n }\n\n // Run the given function in an operation\n function runInOp(cm, f) {\n if (cm.curOp) { return f() }\n startOperation(cm);\n try { return f() }\n finally { endOperation(cm); }\n }\n // Wraps a function in an operation. Returns the wrapped function.\n function operation(cm, f) {\n return function() {\n if (cm.curOp) { return f.apply(cm, arguments) }\n startOperation(cm);\n try { return f.apply(cm, arguments) }\n finally { endOperation(cm); }\n }\n }\n // Used to add methods to editor and doc instances, wrapping them in\n // operations.\n function methodOp(f) {\n return function() {\n if (this.curOp) { return f.apply(this, arguments) }\n startOperation(this);\n try { return f.apply(this, arguments) }\n finally { endOperation(this); }\n }\n }\n function docMethodOp(f) {\n return function() {\n var cm = this.cm;\n if (!cm || cm.curOp) { return f.apply(this, arguments) }\n startOperation(cm);\n try { return f.apply(this, arguments) }\n finally { endOperation(cm); }\n }\n }\n\n // HIGHLIGHT WORKER\n\n function startWorker(cm, time) {\n if (cm.doc.highlightFrontier < cm.display.viewTo)\n { cm.state.highlight.set(time, bind(highlightWorker, cm)); }\n }\n\n function highlightWorker(cm) {\n var doc = cm.doc;\n if (doc.highlightFrontier >= cm.display.viewTo) { return }\n var end = +new Date + cm.options.workTime;\n var context = getContextBefore(cm, doc.highlightFrontier);\n var changedLines = [];\n\n doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) {\n if (context.line >= cm.display.viewFrom) { // Visible\n var oldStyles = line.styles;\n var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null;\n var highlighted = highlightLine(cm, line, context, true);\n if (resetState) { context.state = resetState; }\n line.styles = highlighted.styles;\n var oldCls = line.styleClasses, newCls = highlighted.classes;\n if (newCls) { line.styleClasses = newCls; }\n else if (oldCls) { line.styleClasses = null; }\n var ischange = !oldStyles || oldStyles.length != line.styles.length ||\n oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass);\n for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; }\n if (ischange) { changedLines.push(context.line); }\n line.stateAfter = context.save();\n context.nextLine();\n } else {\n if (line.text.length <= cm.options.maxHighlightLength)\n { processLine(cm, line.text, context); }\n line.stateAfter = context.line % 5 == 0 ? context.save() : null;\n context.nextLine();\n }\n if (+new Date > end) {\n startWorker(cm, cm.options.workDelay);\n return true\n }\n });\n doc.highlightFrontier = context.line;\n doc.modeFrontier = Math.max(doc.modeFrontier, context.line);\n if (changedLines.length) { runInOp(cm, function () {\n for (var i = 0; i < changedLines.length; i++)\n { regLineChange(cm, changedLines[i], \"text\"); }\n }); }\n }\n\n // DISPLAY DRAWING\n\n var DisplayUpdate = function(cm, viewport, force) {\n var display = cm.display;\n\n this.viewport = viewport;\n // Store some values that we'll need later (but don't want to force a relayout for)\n this.visible = visibleLines(display, cm.doc, viewport);\n this.editorIsHidden = !display.wrapper.offsetWidth;\n this.wrapperHeight = display.wrapper.clientHeight;\n this.wrapperWidth = display.wrapper.clientWidth;\n this.oldDisplayWidth = displayWidth(cm);\n this.force = force;\n this.dims = getDimensions(cm);\n this.events = [];\n };\n\n DisplayUpdate.prototype.signal = function (emitter, type) {\n if (hasHandler(emitter, type))\n { this.events.push(arguments); }\n };\n DisplayUpdate.prototype.finish = function () {\n var this$1 = this;\n\n for (var i = 0; i < this.events.length; i++)\n { signal.apply(null, this$1.events[i]); }\n };\n\n function maybeClipScrollbars(cm) {\n var display = cm.display;\n if (!display.scrollbarsClipped && display.scroller.offsetWidth) {\n display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth;\n display.heightForcer.style.height = scrollGap(cm) + \"px\";\n display.sizer.style.marginBottom = -display.nativeBarWidth + \"px\";\n display.sizer.style.borderRightWidth = scrollGap(cm) + \"px\";\n display.scrollbarsClipped = true;\n }\n }\n\n function selectionSnapshot(cm) {\n if (cm.hasFocus()) { return null }\n var active = activeElt();\n if (!active || !contains(cm.display.lineDiv, active)) { return null }\n var result = {activeElt: active};\n if (window.getSelection) {\n var sel = window.getSelection();\n if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) {\n result.anchorNode = sel.anchorNode;\n result.anchorOffset = sel.anchorOffset;\n result.focusNode = sel.focusNode;\n result.focusOffset = sel.focusOffset;\n }\n }\n return result\n }\n\n function restoreSelection(snapshot) {\n if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt()) { return }\n snapshot.activeElt.focus();\n if (snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) {\n var sel = window.getSelection(), range$$1 = document.createRange();\n range$$1.setEnd(snapshot.anchorNode, snapshot.anchorOffset);\n range$$1.collapse(false);\n sel.removeAllRanges();\n sel.addRange(range$$1);\n sel.extend(snapshot.focusNode, snapshot.focusOffset);\n }\n }\n\n // Does the actual updating of the line display. Bails out\n // (returning false) when there is nothing to be done and forced is\n // false.\n function updateDisplayIfNeeded(cm, update) {\n var display = cm.display, doc = cm.doc;\n\n if (update.editorIsHidden) {\n resetView(cm);\n return false\n }\n\n // Bail out if the visible area is already rendered and nothing changed.\n if (!update.force &&\n update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&\n (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&\n display.renderedView == display.view && countDirtyView(cm) == 0)\n { return false }\n\n if (maybeUpdateLineNumberWidth(cm)) {\n resetView(cm);\n update.dims = getDimensions(cm);\n }\n\n // Compute a suitable new viewport (from & to)\n var end = doc.first + doc.size;\n var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);\n var to = Math.min(end, update.visible.to + cm.options.viewportMargin);\n if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); }\n if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); }\n if (sawCollapsedSpans) {\n from = visualLineNo(cm.doc, from);\n to = visualLineEndNo(cm.doc, to);\n }\n\n var different = from != display.viewFrom || to != display.viewTo ||\n display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth;\n adjustView(cm, from, to);\n\n display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));\n // Position the mover div to align with the current scroll position\n cm.display.mover.style.top = display.viewOffset + \"px\";\n\n var toUpdate = countDirtyView(cm);\n if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&\n (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))\n { return false }\n\n // For big changes, we hide the enclosing element during the\n // update, since that speeds up the operations on most browsers.\n var selSnapshot = selectionSnapshot(cm);\n if (toUpdate > 4) { display.lineDiv.style.display = \"none\"; }\n patchDisplay(cm, display.updateLineNumbers, update.dims);\n if (toUpdate > 4) { display.lineDiv.style.display = \"\"; }\n display.renderedView = display.view;\n // There might have been a widget with a focused element that got\n // hidden or updated, if so re-focus it.\n restoreSelection(selSnapshot);\n\n // Prevent selection and cursors from interfering with the scroll\n // width and height.\n removeChildren(display.cursorDiv);\n removeChildren(display.selectionDiv);\n display.gutters.style.height = display.sizer.style.minHeight = 0;\n\n if (different) {\n display.lastWrapHeight = update.wrapperHeight;\n display.lastWrapWidth = update.wrapperWidth;\n startWorker(cm, 400);\n }\n\n display.updateLineNumbers = null;\n\n return true\n }\n\n function postUpdateDisplay(cm, update) {\n var viewport = update.viewport;\n\n for (var first = true;; first = false) {\n if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {\n // Clip forced viewport to actual scrollable area.\n if (viewport && viewport.top != null)\n { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; }\n // Updated line heights might result in the drawn area not\n // actually covering the viewport. Keep looping until it does.\n update.visible = visibleLines(cm.display, cm.doc, viewport);\n if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)\n { break }\n }\n if (!updateDisplayIfNeeded(cm, update)) { break }\n updateHeightsInViewport(cm);\n var barMeasure = measureForScrollbars(cm);\n updateSelection(cm);\n updateScrollbars(cm, barMeasure);\n setDocumentHeight(cm, barMeasure);\n update.force = false;\n }\n\n update.signal(cm, \"update\", cm);\n if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {\n update.signal(cm, \"viewportChange\", cm, cm.display.viewFrom, cm.display.viewTo);\n cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo;\n }\n }\n\n function updateDisplaySimple(cm, viewport) {\n var update = new DisplayUpdate(cm, viewport);\n if (updateDisplayIfNeeded(cm, update)) {\n updateHeightsInViewport(cm);\n postUpdateDisplay(cm, update);\n var barMeasure = measureForScrollbars(cm);\n updateSelection(cm);\n updateScrollbars(cm, barMeasure);\n setDocumentHeight(cm, barMeasure);\n update.finish();\n }\n }\n\n // Sync the actual display DOM structure with display.view, removing\n // nodes for lines that are no longer in view, and creating the ones\n // that are not there yet, and updating the ones that are out of\n // date.\n function patchDisplay(cm, updateNumbersFrom, dims) {\n var display = cm.display, lineNumbers = cm.options.lineNumbers;\n var container = display.lineDiv, cur = container.firstChild;\n\n function rm(node) {\n var next = node.nextSibling;\n // Works around a throw-scroll bug in OS X Webkit\n if (webkit && mac && cm.display.currentWheelTarget == node)\n { node.style.display = \"none\"; }\n else\n { node.parentNode.removeChild(node); }\n return next\n }\n\n var view = display.view, lineN = display.viewFrom;\n // Loop over the elements in the view, syncing cur (the DOM nodes\n // in display.lineDiv) with the view as we go.\n for (var i = 0; i < view.length; i++) {\n var lineView = view[i];\n if (lineView.hidden) ; else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet\n var node = buildLineElement(cm, lineView, lineN, dims);\n container.insertBefore(node, cur);\n } else { // Already drawn\n while (cur != lineView.node) { cur = rm(cur); }\n var updateNumber = lineNumbers && updateNumbersFrom != null &&\n updateNumbersFrom <= lineN && lineView.lineNumber;\n if (lineView.changes) {\n if (indexOf(lineView.changes, \"gutter\") > -1) { updateNumber = false; }\n updateLineForChanges(cm, lineView, lineN, dims);\n }\n if (updateNumber) {\n removeChildren(lineView.lineNumber);\n lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));\n }\n cur = lineView.node.nextSibling;\n }\n lineN += lineView.size;\n }\n while (cur) { cur = rm(cur); }\n }\n\n function updateGutterSpace(display) {\n var width = display.gutters.offsetWidth;\n display.sizer.style.marginLeft = width + \"px\";\n }\n\n function setDocumentHeight(cm, measure) {\n cm.display.sizer.style.minHeight = measure.docHeight + \"px\";\n cm.display.heightForcer.style.top = measure.docHeight + \"px\";\n cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + \"px\";\n }\n\n // Re-align line numbers and gutter marks to compensate for\n // horizontal scrolling.\n function alignHorizontally(cm) {\n var display = cm.display, view = display.view;\n if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return }\n var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;\n var gutterW = display.gutters.offsetWidth, left = comp + \"px\";\n for (var i = 0; i < view.length; i++) { if (!view[i].hidden) {\n if (cm.options.fixedGutter) {\n if (view[i].gutter)\n { view[i].gutter.style.left = left; }\n if (view[i].gutterBackground)\n { view[i].gutterBackground.style.left = left; }\n }\n var align = view[i].alignable;\n if (align) { for (var j = 0; j < align.length; j++)\n { align[j].style.left = left; } }\n } }\n if (cm.options.fixedGutter)\n { display.gutters.style.left = (comp + gutterW) + \"px\"; }\n }\n\n // Used to ensure that the line number gutter is still the right\n // size for the current document size. Returns true when an update\n // is needed.\n function maybeUpdateLineNumberWidth(cm) {\n if (!cm.options.lineNumbers) { return false }\n var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;\n if (last.length != display.lineNumChars) {\n var test = display.measure.appendChild(elt(\"div\", [elt(\"div\", last)],\n \"CodeMirror-linenumber CodeMirror-gutter-elt\"));\n var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;\n display.lineGutter.style.width = \"\";\n display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1;\n display.lineNumWidth = display.lineNumInnerWidth + padding;\n display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;\n display.lineGutter.style.width = display.lineNumWidth + \"px\";\n updateGutterSpace(cm.display);\n return true\n }\n return false\n }\n\n function getGutters(gutters, lineNumbers) {\n var result = [], sawLineNumbers = false;\n for (var i = 0; i < gutters.length; i++) {\n var name = gutters[i], style = null;\n if (typeof name != \"string\") { style = name.style; name = name.className; }\n if (name == \"CodeMirror-linenumbers\") {\n if (!lineNumbers) { continue }\n else { sawLineNumbers = true; }\n }\n result.push({className: name, style: style});\n }\n if (lineNumbers && !sawLineNumbers) { result.push({className: \"CodeMirror-linenumbers\", style: null}); }\n return result\n }\n\n // Rebuild the gutter elements, ensure the margin to the left of the\n // code matches their width.\n function renderGutters(display) {\n var gutters = display.gutters, specs = display.gutterSpecs;\n removeChildren(gutters);\n display.lineGutter = null;\n for (var i = 0; i < specs.length; ++i) {\n var ref = specs[i];\n var className = ref.className;\n var style = ref.style;\n var gElt = gutters.appendChild(elt(\"div\", null, \"CodeMirror-gutter \" + className));\n if (style) { gElt.style.cssText = style; }\n if (className == \"CodeMirror-linenumbers\") {\n display.lineGutter = gElt;\n gElt.style.width = (display.lineNumWidth || 1) + \"px\";\n }\n }\n gutters.style.display = specs.length ? \"\" : \"none\";\n updateGutterSpace(display);\n }\n\n function updateGutters(cm) {\n renderGutters(cm.display);\n regChange(cm);\n alignHorizontally(cm);\n }\n\n // The display handles the DOM integration, both for input reading\n // and content drawing. It holds references to DOM nodes and\n // display-related state.\n\n function Display(place, doc, input, options) {\n var d = this;\n this.input = input;\n\n // Covers bottom-right square when both scrollbars are present.\n d.scrollbarFiller = elt(\"div\", null, \"CodeMirror-scrollbar-filler\");\n d.scrollbarFiller.setAttribute(\"cm-not-content\", \"true\");\n // Covers bottom of gutter when coverGutterNextToScrollbar is on\n // and h scrollbar is present.\n d.gutterFiller = elt(\"div\", null, \"CodeMirror-gutter-filler\");\n d.gutterFiller.setAttribute(\"cm-not-content\", \"true\");\n // Will contain the actual code, positioned to cover the viewport.\n d.lineDiv = eltP(\"div\", null, \"CodeMirror-code\");\n // Elements are added to these to represent selection and cursors.\n d.selectionDiv = elt(\"div\", null, null, \"position: relative; z-index: 1\");\n d.cursorDiv = elt(\"div\", null, \"CodeMirror-cursors\");\n // A visibility: hidden element used to find the size of things.\n d.measure = elt(\"div\", null, \"CodeMirror-measure\");\n // When lines outside of the viewport are measured, they are drawn in this.\n d.lineMeasure = elt(\"div\", null, \"CodeMirror-measure\");\n // Wraps everything that needs to exist inside the vertically-padded coordinate system\n d.lineSpace = eltP(\"div\", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],\n null, \"position: relative; outline: none\");\n var lines = eltP(\"div\", [d.lineSpace], \"CodeMirror-lines\");\n // Moved around its parent to cover visible view.\n d.mover = elt(\"div\", [lines], null, \"position: relative\");\n // Set to the height of the document, allowing scrolling.\n d.sizer = elt(\"div\", [d.mover], \"CodeMirror-sizer\");\n d.sizerWidth = null;\n // Behavior of elts with overflow: auto and padding is\n // inconsistent across browsers. This is used to ensure the\n // scrollable area is big enough.\n d.heightForcer = elt(\"div\", null, null, \"position: absolute; height: \" + scrollerGap + \"px; width: 1px;\");\n // Will contain the gutters, if any.\n d.gutters = elt(\"div\", null, \"CodeMirror-gutters\");\n d.lineGutter = null;\n // Actual scrollable element.\n d.scroller = elt(\"div\", [d.sizer, d.heightForcer, d.gutters], \"CodeMirror-scroll\");\n d.scroller.setAttribute(\"tabIndex\", \"-1\");\n // The element in which the editor lives.\n d.wrapper = elt(\"div\", [d.scrollbarFiller, d.gutterFiller, d.scroller], \"CodeMirror\");\n\n // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)\n if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }\n if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; }\n\n if (place) {\n if (place.appendChild) { place.appendChild(d.wrapper); }\n else { place(d.wrapper); }\n }\n\n // Current rendered range (may be bigger than the view window).\n d.viewFrom = d.viewTo = doc.first;\n d.reportedViewFrom = d.reportedViewTo = doc.first;\n // Information about the rendered lines.\n d.view = [];\n d.renderedView = null;\n // Holds info about a single rendered line when it was rendered\n // for measurement, while not in view.\n d.externalMeasured = null;\n // Empty space (in pixels) above the view\n d.viewOffset = 0;\n d.lastWrapHeight = d.lastWrapWidth = 0;\n d.updateLineNumbers = null;\n\n d.nativeBarWidth = d.barHeight = d.barWidth = 0;\n d.scrollbarsClipped = false;\n\n // Used to only resize the line number gutter when necessary (when\n // the amount of lines crosses a boundary that makes its width change)\n d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;\n // Set to true when a non-horizontal-scrolling line widget is\n // added. As an optimization, line widget aligning is skipped when\n // this is false.\n d.alignWidgets = false;\n\n d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;\n\n // Tracks the maximum line length so that the horizontal scrollbar\n // can be kept static when scrolling.\n d.maxLine = null;\n d.maxLineLength = 0;\n d.maxLineChanged = false;\n\n // Used for measuring wheel scrolling granularity\n d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;\n\n // True when shift is held down.\n d.shift = false;\n\n // Used to track whether anything happened since the context menu\n // was opened.\n d.selForContextMenu = null;\n\n d.activeTouch = null;\n\n d.gutterSpecs = getGutters(options.gutters, options.lineNumbers);\n renderGutters(d);\n\n input.init(d);\n }\n\n // Since the delta values reported on mouse wheel events are\n // unstandardized between browsers and even browser versions, and\n // generally horribly unpredictable, this code starts by measuring\n // the scroll effect that the first few mouse wheel events have,\n // and, from that, detects the way it can convert deltas to pixel\n // offsets afterwards.\n //\n // The reason we want to know the amount a wheel event will scroll\n // is that it gives us a chance to update the display before the\n // actual scrolling happens, reducing flickering.\n\n var wheelSamples = 0, wheelPixelsPerUnit = null;\n // Fill in a browser-detected starting value on browsers where we\n // know one. These don't have to be accurate -- the result of them\n // being wrong would just be a slight flicker on the first wheel\n // scroll (if it is large enough).\n if (ie) { wheelPixelsPerUnit = -.53; }\n else if (gecko) { wheelPixelsPerUnit = 15; }\n else if (chrome) { wheelPixelsPerUnit = -.7; }\n else if (safari) { wheelPixelsPerUnit = -1/3; }\n\n function wheelEventDelta(e) {\n var dx = e.wheelDeltaX, dy = e.wheelDeltaY;\n if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; }\n if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; }\n else if (dy == null) { dy = e.wheelDelta; }\n return {x: dx, y: dy}\n }\n function wheelEventPixels(e) {\n var delta = wheelEventDelta(e);\n delta.x *= wheelPixelsPerUnit;\n delta.y *= wheelPixelsPerUnit;\n return delta\n }\n\n function onScrollWheel(cm, e) {\n var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y;\n\n var display = cm.display, scroll = display.scroller;\n // Quit if there's nothing to scroll here\n var canScrollX = scroll.scrollWidth > scroll.clientWidth;\n var canScrollY = scroll.scrollHeight > scroll.clientHeight;\n if (!(dx && canScrollX || dy && canScrollY)) { return }\n\n // Webkit browsers on OS X abort momentum scrolls when the target\n // of the scroll event is removed from the scrollable element.\n // This hack (see related code in patchDisplay) makes sure the\n // element is kept around.\n if (dy && mac && webkit) {\n outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {\n for (var i = 0; i < view.length; i++) {\n if (view[i].node == cur) {\n cm.display.currentWheelTarget = cur;\n break outer\n }\n }\n }\n }\n\n // On some browsers, horizontal scrolling will cause redraws to\n // happen before the gutter has been realigned, causing it to\n // wriggle around in a most unseemly way. When we have an\n // estimated pixels/delta value, we just handle horizontal\n // scrolling entirely here. It'll be slightly off from native, but\n // better than glitching out.\n if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {\n if (dy && canScrollY)\n { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * wheelPixelsPerUnit)); }\n setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * wheelPixelsPerUnit));\n // Only prevent default scrolling if vertical scrolling is\n // actually possible. Otherwise, it causes vertical scroll\n // jitter on OSX trackpads when deltaX is small and deltaY\n // is large (issue #3579)\n if (!dy || (dy && canScrollY))\n { e_preventDefault(e); }\n display.wheelStartX = null; // Abort measurement, if in progress\n return\n }\n\n // 'Project' the visible viewport to cover the area that is being\n // scrolled into view (if we know enough to estimate it).\n if (dy && wheelPixelsPerUnit != null) {\n var pixels = dy * wheelPixelsPerUnit;\n var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;\n if (pixels < 0) { top = Math.max(0, top + pixels - 50); }\n else { bot = Math.min(cm.doc.height, bot + pixels + 50); }\n updateDisplaySimple(cm, {top: top, bottom: bot});\n }\n\n if (wheelSamples < 20) {\n if (display.wheelStartX == null) {\n display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;\n display.wheelDX = dx; display.wheelDY = dy;\n setTimeout(function () {\n if (display.wheelStartX == null) { return }\n var movedX = scroll.scrollLeft - display.wheelStartX;\n var movedY = scroll.scrollTop - display.wheelStartY;\n var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||\n (movedX && display.wheelDX && movedX / display.wheelDX);\n display.wheelStartX = display.wheelStartY = null;\n if (!sample) { return }\n wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);\n ++wheelSamples;\n }, 200);\n } else {\n display.wheelDX += dx; display.wheelDY += dy;\n }\n }\n }\n\n // Selection objects are immutable. A new one is created every time\n // the selection changes. A selection is one or more non-overlapping\n // (and non-touching) ranges, sorted, and an integer that indicates\n // which one is the primary selection (the one that's scrolled into\n // view, that getCursor returns, etc).\n var Selection = function(ranges, primIndex) {\n this.ranges = ranges;\n this.primIndex = primIndex;\n };\n\n Selection.prototype.primary = function () { return this.ranges[this.primIndex] };\n\n Selection.prototype.equals = function (other) {\n var this$1 = this;\n\n if (other == this) { return true }\n if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false }\n for (var i = 0; i < this.ranges.length; i++) {\n var here = this$1.ranges[i], there = other.ranges[i];\n if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false }\n }\n return true\n };\n\n Selection.prototype.deepCopy = function () {\n var this$1 = this;\n\n var out = [];\n for (var i = 0; i < this.ranges.length; i++)\n { out[i] = new Range(copyPos(this$1.ranges[i].anchor), copyPos(this$1.ranges[i].head)); }\n return new Selection(out, this.primIndex)\n };\n\n Selection.prototype.somethingSelected = function () {\n var this$1 = this;\n\n for (var i = 0; i < this.ranges.length; i++)\n { if (!this$1.ranges[i].empty()) { return true } }\n return false\n };\n\n Selection.prototype.contains = function (pos, end) {\n var this$1 = this;\n\n if (!end) { end = pos; }\n for (var i = 0; i < this.ranges.length; i++) {\n var range = this$1.ranges[i];\n if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)\n { return i }\n }\n return -1\n };\n\n var Range = function(anchor, head) {\n this.anchor = anchor; this.head = head;\n };\n\n Range.prototype.from = function () { return minPos(this.anchor, this.head) };\n Range.prototype.to = function () { return maxPos(this.anchor, this.head) };\n Range.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch };\n\n // Take an unsorted, potentially overlapping set of ranges, and\n // build a selection out of it. 'Consumes' ranges array (modifying\n // it).\n function normalizeSelection(cm, ranges, primIndex) {\n var mayTouch = cm && cm.options.selectionsMayTouch;\n var prim = ranges[primIndex];\n ranges.sort(function (a, b) { return cmp(a.from(), b.from()); });\n primIndex = indexOf(ranges, prim);\n for (var i = 1; i < ranges.length; i++) {\n var cur = ranges[i], prev = ranges[i - 1];\n var diff = cmp(prev.to(), cur.from());\n if (mayTouch && !cur.empty() ? diff > 0 : diff >= 0) {\n var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());\n var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;\n if (i <= primIndex) { --primIndex; }\n ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));\n }\n }\n return new Selection(ranges, primIndex)\n }\n\n function simpleSelection(anchor, head) {\n return new Selection([new Range(anchor, head || anchor)], 0)\n }\n\n // Compute the position of the end of a change (its 'to' property\n // refers to the pre-change end).\n function changeEnd(change) {\n if (!change.text) { return change.to }\n return Pos(change.from.line + change.text.length - 1,\n lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0))\n }\n\n // Adjust a position to refer to the post-change position of the\n // same text, or the end of the change if the change covers it.\n function adjustForChange(pos, change) {\n if (cmp(pos, change.from) < 0) { return pos }\n if (cmp(pos, change.to) <= 0) { return changeEnd(change) }\n\n var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;\n if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; }\n return Pos(line, ch)\n }\n\n function computeSelAfterChange(doc, change) {\n var out = [];\n for (var i = 0; i < doc.sel.ranges.length; i++) {\n var range = doc.sel.ranges[i];\n out.push(new Range(adjustForChange(range.anchor, change),\n adjustForChange(range.head, change)));\n }\n return normalizeSelection(doc.cm, out, doc.sel.primIndex)\n }\n\n function offsetPos(pos, old, nw) {\n if (pos.line == old.line)\n { return Pos(nw.line, pos.ch - old.ch + nw.ch) }\n else\n { return Pos(nw.line + (pos.line - old.line), pos.ch) }\n }\n\n // Used by replaceSelections to allow moving the selection to the\n // start or around the replaced test. Hint may be \"start\" or \"around\".\n function computeReplacedSel(doc, changes, hint) {\n var out = [];\n var oldPrev = Pos(doc.first, 0), newPrev = oldPrev;\n for (var i = 0; i < changes.length; i++) {\n var change = changes[i];\n var from = offsetPos(change.from, oldPrev, newPrev);\n var to = offsetPos(changeEnd(change), oldPrev, newPrev);\n oldPrev = change.to;\n newPrev = to;\n if (hint == \"around\") {\n var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0;\n out[i] = new Range(inv ? to : from, inv ? from : to);\n } else {\n out[i] = new Range(from, from);\n }\n }\n return new Selection(out, doc.sel.primIndex)\n }\n\n // Used to get the editor into a consistent state again when options change.\n\n function loadMode(cm) {\n cm.doc.mode = getMode(cm.options, cm.doc.modeOption);\n resetModeState(cm);\n }\n\n function resetModeState(cm) {\n cm.doc.iter(function (line) {\n if (line.stateAfter) { line.stateAfter = null; }\n if (line.styles) { line.styles = null; }\n });\n cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first;\n startWorker(cm, 100);\n cm.state.modeGen++;\n if (cm.curOp) { regChange(cm); }\n }\n\n // DOCUMENT DATA STRUCTURE\n\n // By default, updates that start and end at the beginning of a line\n // are treated specially, in order to make the association of line\n // widgets and marker elements with the text behave more intuitive.\n function isWholeLineUpdate(doc, change) {\n return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == \"\" &&\n (!doc.cm || doc.cm.options.wholeLineUpdateBefore)\n }\n\n // Perform a change on the document data structure.\n function updateDoc(doc, change, markedSpans, estimateHeight$$1) {\n function spansFor(n) {return markedSpans ? markedSpans[n] : null}\n function update(line, text, spans) {\n updateLine(line, text, spans, estimateHeight$$1);\n signalLater(line, \"change\", line, change);\n }\n function linesFor(start, end) {\n var result = [];\n for (var i = start; i < end; ++i)\n { result.push(new Line(text[i], spansFor(i), estimateHeight$$1)); }\n return result\n }\n\n var from = change.from, to = change.to, text = change.text;\n var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);\n var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;\n\n // Adjust the line structure\n if (change.full) {\n doc.insert(0, linesFor(0, text.length));\n doc.remove(text.length, doc.size - text.length);\n } else if (isWholeLineUpdate(doc, change)) {\n // This is a whole-line replace. Treated specially to make\n // sure line objects move the way they are supposed to.\n var added = linesFor(0, text.length - 1);\n update(lastLine, lastLine.text, lastSpans);\n if (nlines) { doc.remove(from.line, nlines); }\n if (added.length) { doc.insert(from.line, added); }\n } else if (firstLine == lastLine) {\n if (text.length == 1) {\n update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);\n } else {\n var added$1 = linesFor(1, text.length - 1);\n added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight$$1));\n update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));\n doc.insert(from.line + 1, added$1);\n }\n } else if (text.length == 1) {\n update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));\n doc.remove(from.line + 1, nlines);\n } else {\n update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));\n update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);\n var added$2 = linesFor(1, text.length - 1);\n if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); }\n doc.insert(from.line + 1, added$2);\n }\n\n signalLater(doc, \"change\", doc, change);\n }\n\n // Call f for all linked documents.\n function linkedDocs(doc, f, sharedHistOnly) {\n function propagate(doc, skip, sharedHist) {\n if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) {\n var rel = doc.linked[i];\n if (rel.doc == skip) { continue }\n var shared = sharedHist && rel.sharedHist;\n if (sharedHistOnly && !shared) { continue }\n f(rel.doc, shared);\n propagate(rel.doc, doc, shared);\n } }\n }\n propagate(doc, null, true);\n }\n\n // Attach a document to an editor.\n function attachDoc(cm, doc) {\n if (doc.cm) { throw new Error(\"This document is already in use.\") }\n cm.doc = doc;\n doc.cm = cm;\n estimateLineHeights(cm);\n loadMode(cm);\n setDirectionClass(cm);\n if (!cm.options.lineWrapping) { findMaxLine(cm); }\n cm.options.mode = doc.modeOption;\n regChange(cm);\n }\n\n function setDirectionClass(cm) {\n (cm.doc.direction == \"rtl\" ? addClass : rmClass)(cm.display.lineDiv, \"CodeMirror-rtl\");\n }\n\n function directionChanged(cm) {\n runInOp(cm, function () {\n setDirectionClass(cm);\n regChange(cm);\n });\n }\n\n function History(startGen) {\n // Arrays of change events and selections. Doing something adds an\n // event to done and clears undo. Undoing moves events from done\n // to undone, redoing moves them in the other direction.\n this.done = []; this.undone = [];\n this.undoDepth = Infinity;\n // Used to track when changes can be merged into a single undo\n // event\n this.lastModTime = this.lastSelTime = 0;\n this.lastOp = this.lastSelOp = null;\n this.lastOrigin = this.lastSelOrigin = null;\n // Used by the isClean() method\n this.generation = this.maxGeneration = startGen || 1;\n }\n\n // Create a history change event from an updateDoc-style change\n // object.\n function historyChangeFromChange(doc, change) {\n var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};\n attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);\n linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true);\n return histChange\n }\n\n // Pop all selection events off the end of a history array. Stop at\n // a change event.\n function clearSelectionEvents(array) {\n while (array.length) {\n var last = lst(array);\n if (last.ranges) { array.pop(); }\n else { break }\n }\n }\n\n // Find the top change event in the history. Pop off selection\n // events that are in the way.\n function lastChangeEvent(hist, force) {\n if (force) {\n clearSelectionEvents(hist.done);\n return lst(hist.done)\n } else if (hist.done.length && !lst(hist.done).ranges) {\n return lst(hist.done)\n } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {\n hist.done.pop();\n return lst(hist.done)\n }\n }\n\n // Register a change in the history. Merges changes that are within\n // a single operation, or are close together with an origin that\n // allows merging (starting with \"+\") into a single event.\n function addChangeToHistory(doc, change, selAfter, opId) {\n var hist = doc.history;\n hist.undone.length = 0;\n var time = +new Date, cur;\n var last;\n\n if ((hist.lastOp == opId ||\n hist.lastOrigin == change.origin && change.origin &&\n ((change.origin.charAt(0) == \"+\" && hist.lastModTime > time - (doc.cm ? doc.cm.options.historyEventDelay : 500)) ||\n change.origin.charAt(0) == \"*\")) &&\n (cur = lastChangeEvent(hist, hist.lastOp == opId))) {\n // Merge this change into the last event\n last = lst(cur.changes);\n if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {\n // Optimized case for simple insertion -- don't want to add\n // new changesets for every character typed\n last.to = changeEnd(change);\n } else {\n // Add new sub-event\n cur.changes.push(historyChangeFromChange(doc, change));\n }\n } else {\n // Can not be merged, start a new event.\n var before = lst(hist.done);\n if (!before || !before.ranges)\n { pushSelectionToHistory(doc.sel, hist.done); }\n cur = {changes: [historyChangeFromChange(doc, change)],\n generation: hist.generation};\n hist.done.push(cur);\n while (hist.done.length > hist.undoDepth) {\n hist.done.shift();\n if (!hist.done[0].ranges) { hist.done.shift(); }\n }\n }\n hist.done.push(selAfter);\n hist.generation = ++hist.maxGeneration;\n hist.lastModTime = hist.lastSelTime = time;\n hist.lastOp = hist.lastSelOp = opId;\n hist.lastOrigin = hist.lastSelOrigin = change.origin;\n\n if (!last) { signal(doc, \"historyAdded\"); }\n }\n\n function selectionEventCanBeMerged(doc, origin, prev, sel) {\n var ch = origin.charAt(0);\n return ch == \"*\" ||\n ch == \"+\" &&\n prev.ranges.length == sel.ranges.length &&\n prev.somethingSelected() == sel.somethingSelected() &&\n new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500)\n }\n\n // Called whenever the selection changes, sets the new selection as\n // the pending selection in the history, and pushes the old pending\n // selection into the 'done' array when it was significantly\n // different (in number of selected ranges, emptiness, or time).\n function addSelectionToHistory(doc, sel, opId, options) {\n var hist = doc.history, origin = options && options.origin;\n\n // A new event is started when the previous origin does not match\n // the current, or the origins don't allow matching. Origins\n // starting with * are always merged, those starting with + are\n // merged when similar and close together in time.\n if (opId == hist.lastSelOp ||\n (origin && hist.lastSelOrigin == origin &&\n (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||\n selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))\n { hist.done[hist.done.length - 1] = sel; }\n else\n { pushSelectionToHistory(sel, hist.done); }\n\n hist.lastSelTime = +new Date;\n hist.lastSelOrigin = origin;\n hist.lastSelOp = opId;\n if (options && options.clearRedo !== false)\n { clearSelectionEvents(hist.undone); }\n }\n\n function pushSelectionToHistory(sel, dest) {\n var top = lst(dest);\n if (!(top && top.ranges && top.equals(sel)))\n { dest.push(sel); }\n }\n\n // Used to store marked span information in the history.\n function attachLocalSpans(doc, change, from, to) {\n var existing = change[\"spans_\" + doc.id], n = 0;\n doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) {\n if (line.markedSpans)\n { (existing || (existing = change[\"spans_\" + doc.id] = {}))[n] = line.markedSpans; }\n ++n;\n });\n }\n\n // When un/re-doing restores text containing marked spans, those\n // that have been explicitly cleared should not be restored.\n function removeClearedSpans(spans) {\n if (!spans) { return null }\n var out;\n for (var i = 0; i < spans.length; ++i) {\n if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } }\n else if (out) { out.push(spans[i]); }\n }\n return !out ? spans : out.length ? out : null\n }\n\n // Retrieve and filter the old marked spans stored in a change event.\n function getOldSpans(doc, change) {\n var found = change[\"spans_\" + doc.id];\n if (!found) { return null }\n var nw = [];\n for (var i = 0; i < change.text.length; ++i)\n { nw.push(removeClearedSpans(found[i])); }\n return nw\n }\n\n // Used for un/re-doing changes from the history. Combines the\n // result of computing the existing spans with the set of spans that\n // existed in the history (so that deleting around a span and then\n // undoing brings back the span).\n function mergeOldSpans(doc, change) {\n var old = getOldSpans(doc, change);\n var stretched = stretchSpansOverChange(doc, change);\n if (!old) { return stretched }\n if (!stretched) { return old }\n\n for (var i = 0; i < old.length; ++i) {\n var oldCur = old[i], stretchCur = stretched[i];\n if (oldCur && stretchCur) {\n spans: for (var j = 0; j < stretchCur.length; ++j) {\n var span = stretchCur[j];\n for (var k = 0; k < oldCur.length; ++k)\n { if (oldCur[k].marker == span.marker) { continue spans } }\n oldCur.push(span);\n }\n } else if (stretchCur) {\n old[i] = stretchCur;\n }\n }\n return old\n }\n\n // Used both to provide a JSON-safe object in .getHistory, and, when\n // detaching a document, to split the history in two\n function copyHistoryArray(events, newGroup, instantiateSel) {\n var copy = [];\n for (var i = 0; i < events.length; ++i) {\n var event = events[i];\n if (event.ranges) {\n copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);\n continue\n }\n var changes = event.changes, newChanges = [];\n copy.push({changes: newChanges});\n for (var j = 0; j < changes.length; ++j) {\n var change = changes[j], m = (void 0);\n newChanges.push({from: change.from, to: change.to, text: change.text});\n if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\\d+)$/)) {\n if (indexOf(newGroup, Number(m[1])) > -1) {\n lst(newChanges)[prop] = change[prop];\n delete change[prop];\n }\n } } }\n }\n }\n return copy\n }\n\n // The 'scroll' parameter given to many of these indicated whether\n // the new cursor position should be scrolled into view after\n // modifying the selection.\n\n // If shift is held or the extend flag is set, extends a range to\n // include a given position (and optionally a second position).\n // Otherwise, simply returns the range between the given positions.\n // Used for cursor motion and such.\n function extendRange(range, head, other, extend) {\n if (extend) {\n var anchor = range.anchor;\n if (other) {\n var posBefore = cmp(head, anchor) < 0;\n if (posBefore != (cmp(other, anchor) < 0)) {\n anchor = head;\n head = other;\n } else if (posBefore != (cmp(head, other) < 0)) {\n head = other;\n }\n }\n return new Range(anchor, head)\n } else {\n return new Range(other || head, head)\n }\n }\n\n // Extend the primary selection range, discard the rest.\n function extendSelection(doc, head, other, options, extend) {\n if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); }\n setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options);\n }\n\n // Extend all selections (pos is an array of selections with length\n // equal the number of selections)\n function extendSelections(doc, heads, options) {\n var out = [];\n var extend = doc.cm && (doc.cm.display.shift || doc.extend);\n for (var i = 0; i < doc.sel.ranges.length; i++)\n { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); }\n var newSel = normalizeSelection(doc.cm, out, doc.sel.primIndex);\n setSelection(doc, newSel, options);\n }\n\n // Updates a single range in the selection.\n function replaceOneSelection(doc, i, range, options) {\n var ranges = doc.sel.ranges.slice(0);\n ranges[i] = range;\n setSelection(doc, normalizeSelection(doc.cm, ranges, doc.sel.primIndex), options);\n }\n\n // Reset the selection to a single range.\n function setSimpleSelection(doc, anchor, head, options) {\n setSelection(doc, simpleSelection(anchor, head), options);\n }\n\n // Give beforeSelectionChange handlers a change to influence a\n // selection update.\n function filterSelectionChange(doc, sel, options) {\n var obj = {\n ranges: sel.ranges,\n update: function(ranges) {\n var this$1 = this;\n\n this.ranges = [];\n for (var i = 0; i < ranges.length; i++)\n { this$1.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),\n clipPos(doc, ranges[i].head)); }\n },\n origin: options && options.origin\n };\n signal(doc, \"beforeSelectionChange\", doc, obj);\n if (doc.cm) { signal(doc.cm, \"beforeSelectionChange\", doc.cm, obj); }\n if (obj.ranges != sel.ranges) { return normalizeSelection(doc.cm, obj.ranges, obj.ranges.length - 1) }\n else { return sel }\n }\n\n function setSelectionReplaceHistory(doc, sel, options) {\n var done = doc.history.done, last = lst(done);\n if (last && last.ranges) {\n done[done.length - 1] = sel;\n setSelectionNoUndo(doc, sel, options);\n } else {\n setSelection(doc, sel, options);\n }\n }\n\n // Set a new selection.\n function setSelection(doc, sel, options) {\n setSelectionNoUndo(doc, sel, options);\n addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);\n }\n\n function setSelectionNoUndo(doc, sel, options) {\n if (hasHandler(doc, \"beforeSelectionChange\") || doc.cm && hasHandler(doc.cm, \"beforeSelectionChange\"))\n { sel = filterSelectionChange(doc, sel, options); }\n\n var bias = options && options.bias ||\n (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);\n setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));\n\n if (!(options && options.scroll === false) && doc.cm)\n { ensureCursorVisible(doc.cm); }\n }\n\n function setSelectionInner(doc, sel) {\n if (sel.equals(doc.sel)) { return }\n\n doc.sel = sel;\n\n if (doc.cm) {\n doc.cm.curOp.updateInput = 1;\n doc.cm.curOp.selectionChanged = true;\n signalCursorActivity(doc.cm);\n }\n signalLater(doc, \"cursorActivity\", doc);\n }\n\n // Verify that the selection does not partially select any atomic\n // marked ranges.\n function reCheckSelection(doc) {\n setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false));\n }\n\n // Return a selection that does not partially select any atomic\n // ranges.\n function skipAtomicInSelection(doc, sel, bias, mayClear) {\n var out;\n for (var i = 0; i < sel.ranges.length; i++) {\n var range = sel.ranges[i];\n var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i];\n var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear);\n var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear);\n if (out || newAnchor != range.anchor || newHead != range.head) {\n if (!out) { out = sel.ranges.slice(0, i); }\n out[i] = new Range(newAnchor, newHead);\n }\n }\n return out ? normalizeSelection(doc.cm, out, sel.primIndex) : sel\n }\n\n function skipAtomicInner(doc, pos, oldPos, dir, mayClear) {\n var line = getLine(doc, pos.line);\n if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {\n var sp = line.markedSpans[i], m = sp.marker;\n\n // Determine if we should prevent the cursor being placed to the left/right of an atomic marker\n // Historically this was determined using the inclusiveLeft/Right option, but the new way to control it\n // is with selectLeft/Right\n var preventCursorLeft = (\"selectLeft\" in m) ? !m.selectLeft : m.inclusiveLeft;\n var preventCursorRight = (\"selectRight\" in m) ? !m.selectRight : m.inclusiveRight;\n\n if ((sp.from == null || (preventCursorLeft ? sp.from <= pos.ch : sp.from < pos.ch)) &&\n (sp.to == null || (preventCursorRight ? sp.to >= pos.ch : sp.to > pos.ch))) {\n if (mayClear) {\n signal(m, \"beforeCursorEnter\");\n if (m.explicitlyCleared) {\n if (!line.markedSpans) { break }\n else {--i; continue}\n }\n }\n if (!m.atomic) { continue }\n\n if (oldPos) {\n var near = m.find(dir < 0 ? 1 : -1), diff = (void 0);\n if (dir < 0 ? preventCursorRight : preventCursorLeft)\n { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); }\n if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))\n { return skipAtomicInner(doc, near, pos, dir, mayClear) }\n }\n\n var far = m.find(dir < 0 ? -1 : 1);\n if (dir < 0 ? preventCursorLeft : preventCursorRight)\n { far = movePos(doc, far, dir, far.line == pos.line ? line : null); }\n return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null\n }\n } }\n return pos\n }\n\n // Ensure a given position is not inside an atomic range.\n function skipAtomic(doc, pos, oldPos, bias, mayClear) {\n var dir = bias || 1;\n var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) ||\n (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) ||\n skipAtomicInner(doc, pos, oldPos, -dir, mayClear) ||\n (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true));\n if (!found) {\n doc.cantEdit = true;\n return Pos(doc.first, 0)\n }\n return found\n }\n\n function movePos(doc, pos, dir, line) {\n if (dir < 0 && pos.ch == 0) {\n if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) }\n else { return null }\n } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) {\n if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) }\n else { return null }\n } else {\n return new Pos(pos.line, pos.ch + dir)\n }\n }\n\n function selectAll(cm) {\n cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);\n }\n\n // UPDATING\n\n // Allow \"beforeChange\" event handlers to influence a change\n function filterChange(doc, change, update) {\n var obj = {\n canceled: false,\n from: change.from,\n to: change.to,\n text: change.text,\n origin: change.origin,\n cancel: function () { return obj.canceled = true; }\n };\n if (update) { obj.update = function (from, to, text, origin) {\n if (from) { obj.from = clipPos(doc, from); }\n if (to) { obj.to = clipPos(doc, to); }\n if (text) { obj.text = text; }\n if (origin !== undefined) { obj.origin = origin; }\n }; }\n signal(doc, \"beforeChange\", doc, obj);\n if (doc.cm) { signal(doc.cm, \"beforeChange\", doc.cm, obj); }\n\n if (obj.canceled) {\n if (doc.cm) { doc.cm.curOp.updateInput = 2; }\n return null\n }\n return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}\n }\n\n // Apply a change to a document, and add it to the document's\n // history, and propagating it to all linked documents.\n function makeChange(doc, change, ignoreReadOnly) {\n if (doc.cm) {\n if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) }\n if (doc.cm.state.suppressEdits) { return }\n }\n\n if (hasHandler(doc, \"beforeChange\") || doc.cm && hasHandler(doc.cm, \"beforeChange\")) {\n change = filterChange(doc, change, true);\n if (!change) { return }\n }\n\n // Possibly split or suppress the update based on the presence\n // of read-only spans in its range.\n var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);\n if (split) {\n for (var i = split.length - 1; i >= 0; --i)\n { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [\"\"] : change.text, origin: change.origin}); }\n } else {\n makeChangeInner(doc, change);\n }\n }\n\n function makeChangeInner(doc, change) {\n if (change.text.length == 1 && change.text[0] == \"\" && cmp(change.from, change.to) == 0) { return }\n var selAfter = computeSelAfterChange(doc, change);\n addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);\n\n makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));\n var rebased = [];\n\n linkedDocs(doc, function (doc, sharedHist) {\n if (!sharedHist && indexOf(rebased, doc.history) == -1) {\n rebaseHist(doc.history, change);\n rebased.push(doc.history);\n }\n makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));\n });\n }\n\n // Revert a change stored in a document's history.\n function makeChangeFromHistory(doc, type, allowSelectionOnly) {\n var suppress = doc.cm && doc.cm.state.suppressEdits;\n if (suppress && !allowSelectionOnly) { return }\n\n var hist = doc.history, event, selAfter = doc.sel;\n var source = type == \"undo\" ? hist.done : hist.undone, dest = type == \"undo\" ? hist.undone : hist.done;\n\n // Verify that there is a useable event (so that ctrl-z won't\n // needlessly clear selection events)\n var i = 0;\n for (; i < source.length; i++) {\n event = source[i];\n if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)\n { break }\n }\n if (i == source.length) { return }\n hist.lastOrigin = hist.lastSelOrigin = null;\n\n for (;;) {\n event = source.pop();\n if (event.ranges) {\n pushSelectionToHistory(event, dest);\n if (allowSelectionOnly && !event.equals(doc.sel)) {\n setSelection(doc, event, {clearRedo: false});\n return\n }\n selAfter = event;\n } else if (suppress) {\n source.push(event);\n return\n } else { break }\n }\n\n // Build up a reverse change object to add to the opposite history\n // stack (redo when undoing, and vice versa).\n var antiChanges = [];\n pushSelectionToHistory(selAfter, dest);\n dest.push({changes: antiChanges, generation: hist.generation});\n hist.generation = event.generation || ++hist.maxGeneration;\n\n var filter = hasHandler(doc, \"beforeChange\") || doc.cm && hasHandler(doc.cm, \"beforeChange\");\n\n var loop = function ( i ) {\n var change = event.changes[i];\n change.origin = type;\n if (filter && !filterChange(doc, change, false)) {\n source.length = 0;\n return {}\n }\n\n antiChanges.push(historyChangeFromChange(doc, change));\n\n var after = i ? computeSelAfterChange(doc, change) : lst(source);\n makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));\n if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); }\n var rebased = [];\n\n // Propagate to the linked documents\n linkedDocs(doc, function (doc, sharedHist) {\n if (!sharedHist && indexOf(rebased, doc.history) == -1) {\n rebaseHist(doc.history, change);\n rebased.push(doc.history);\n }\n makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));\n });\n };\n\n for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) {\n var returned = loop( i$1 );\n\n if ( returned ) return returned.v;\n }\n }\n\n // Sub-views need their line numbers shifted when text is added\n // above or below them in the parent document.\n function shiftDoc(doc, distance) {\n if (distance == 0) { return }\n doc.first += distance;\n doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range(\n Pos(range.anchor.line + distance, range.anchor.ch),\n Pos(range.head.line + distance, range.head.ch)\n ); }), doc.sel.primIndex);\n if (doc.cm) {\n regChange(doc.cm, doc.first, doc.first - distance, distance);\n for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)\n { regLineChange(doc.cm, l, \"gutter\"); }\n }\n }\n\n // More lower-level change function, handling only a single document\n // (not linked ones).\n function makeChangeSingleDoc(doc, change, selAfter, spans) {\n if (doc.cm && !doc.cm.curOp)\n { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) }\n\n if (change.to.line < doc.first) {\n shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));\n return\n }\n if (change.from.line > doc.lastLine()) { return }\n\n // Clip the change to the size of this doc\n if (change.from.line < doc.first) {\n var shift = change.text.length - 1 - (doc.first - change.from.line);\n shiftDoc(doc, shift);\n change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),\n text: [lst(change.text)], origin: change.origin};\n }\n var last = doc.lastLine();\n if (change.to.line > last) {\n change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),\n text: [change.text[0]], origin: change.origin};\n }\n\n change.removed = getBetween(doc, change.from, change.to);\n\n if (!selAfter) { selAfter = computeSelAfterChange(doc, change); }\n if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); }\n else { updateDoc(doc, change, spans); }\n setSelectionNoUndo(doc, selAfter, sel_dontScroll);\n }\n\n // Handle the interaction of a change to a document with the editor\n // that this document is part of.\n function makeChangeSingleDocInEditor(cm, change, spans) {\n var doc = cm.doc, display = cm.display, from = change.from, to = change.to;\n\n var recomputeMaxLength = false, checkWidthStart = from.line;\n if (!cm.options.lineWrapping) {\n checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));\n doc.iter(checkWidthStart, to.line + 1, function (line) {\n if (line == display.maxLine) {\n recomputeMaxLength = true;\n return true\n }\n });\n }\n\n if (doc.sel.contains(change.from, change.to) > -1)\n { signalCursorActivity(cm); }\n\n updateDoc(doc, change, spans, estimateHeight(cm));\n\n if (!cm.options.lineWrapping) {\n doc.iter(checkWidthStart, from.line + change.text.length, function (line) {\n var len = lineLength(line);\n if (len > display.maxLineLength) {\n display.maxLine = line;\n display.maxLineLength = len;\n display.maxLineChanged = true;\n recomputeMaxLength = false;\n }\n });\n if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; }\n }\n\n retreatFrontier(doc, from.line);\n startWorker(cm, 400);\n\n var lendiff = change.text.length - (to.line - from.line) - 1;\n // Remember that these lines changed, for updating the display\n if (change.full)\n { regChange(cm); }\n else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))\n { regLineChange(cm, from.line, \"text\"); }\n else\n { regChange(cm, from.line, to.line + 1, lendiff); }\n\n var changesHandler = hasHandler(cm, \"changes\"), changeHandler = hasHandler(cm, \"change\");\n if (changeHandler || changesHandler) {\n var obj = {\n from: from, to: to,\n text: change.text,\n removed: change.removed,\n origin: change.origin\n };\n if (changeHandler) { signalLater(cm, \"change\", cm, obj); }\n if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); }\n }\n cm.display.selForContextMenu = null;\n }\n\n function replaceRange(doc, code, from, to, origin) {\n var assign;\n\n if (!to) { to = from; }\n if (cmp(to, from) < 0) { (assign = [to, from], from = assign[0], to = assign[1]); }\n if (typeof code == \"string\") { code = doc.splitLines(code); }\n makeChange(doc, {from: from, to: to, text: code, origin: origin});\n }\n\n // Rebasing/resetting history to deal with externally-sourced changes\n\n function rebaseHistSelSingle(pos, from, to, diff) {\n if (to < pos.line) {\n pos.line += diff;\n } else if (from < pos.line) {\n pos.line = from;\n pos.ch = 0;\n }\n }\n\n // Tries to rebase an array of history events given a change in the\n // document. If the change touches the same lines as the event, the\n // event, and everything 'behind' it, is discarded. If the change is\n // before the event, the event's positions are updated. Uses a\n // copy-on-write scheme for the positions, to avoid having to\n // reallocate them all on every rebase, but also avoid problems with\n // shared position objects being unsafely updated.\n function rebaseHistArray(array, from, to, diff) {\n for (var i = 0; i < array.length; ++i) {\n var sub = array[i], ok = true;\n if (sub.ranges) {\n if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; }\n for (var j = 0; j < sub.ranges.length; j++) {\n rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);\n rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);\n }\n continue\n }\n for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) {\n var cur = sub.changes[j$1];\n if (to < cur.from.line) {\n cur.from = Pos(cur.from.line + diff, cur.from.ch);\n cur.to = Pos(cur.to.line + diff, cur.to.ch);\n } else if (from <= cur.to.line) {\n ok = false;\n break\n }\n }\n if (!ok) {\n array.splice(0, i + 1);\n i = 0;\n }\n }\n }\n\n function rebaseHist(hist, change) {\n var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;\n rebaseHistArray(hist.done, from, to, diff);\n rebaseHistArray(hist.undone, from, to, diff);\n }\n\n // Utility for applying a change to a line by handle or number,\n // returning the number and optionally registering the line as\n // changed.\n function changeLine(doc, handle, changeType, op) {\n var no = handle, line = handle;\n if (typeof handle == \"number\") { line = getLine(doc, clipLine(doc, handle)); }\n else { no = lineNo(handle); }\n if (no == null) { return null }\n if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); }\n return line\n }\n\n // The document is represented as a BTree consisting of leaves, with\n // chunk of lines in them, and branches, with up to ten leaves or\n // other branch nodes below them. The top node is always a branch\n // node, and is the document object itself (meaning it has\n // additional methods and properties).\n //\n // All nodes have parent links. The tree is used both to go from\n // line numbers to line objects, and to go from objects to numbers.\n // It also indexes by height, and is used to convert between height\n // and line object, and to find the total height of the document.\n //\n // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html\n\n function LeafChunk(lines) {\n var this$1 = this;\n\n this.lines = lines;\n this.parent = null;\n var height = 0;\n for (var i = 0; i < lines.length; ++i) {\n lines[i].parent = this$1;\n height += lines[i].height;\n }\n this.height = height;\n }\n\n LeafChunk.prototype = {\n chunkSize: function() { return this.lines.length },\n\n // Remove the n lines at offset 'at'.\n removeInner: function(at, n) {\n var this$1 = this;\n\n for (var i = at, e = at + n; i < e; ++i) {\n var line = this$1.lines[i];\n this$1.height -= line.height;\n cleanUpLine(line);\n signalLater(line, \"delete\");\n }\n this.lines.splice(at, n);\n },\n\n // Helper used to collapse a small branch into a single leaf.\n collapse: function(lines) {\n lines.push.apply(lines, this.lines);\n },\n\n // Insert the given array of lines at offset 'at', count them as\n // having the given height.\n insertInner: function(at, lines, height) {\n var this$1 = this;\n\n this.height += height;\n this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));\n for (var i = 0; i < lines.length; ++i) { lines[i].parent = this$1; }\n },\n\n // Used to iterate over a part of the tree.\n iterN: function(at, n, op) {\n var this$1 = this;\n\n for (var e = at + n; at < e; ++at)\n { if (op(this$1.lines[at])) { return true } }\n }\n };\n\n function BranchChunk(children) {\n var this$1 = this;\n\n this.children = children;\n var size = 0, height = 0;\n for (var i = 0; i < children.length; ++i) {\n var ch = children[i];\n size += ch.chunkSize(); height += ch.height;\n ch.parent = this$1;\n }\n this.size = size;\n this.height = height;\n this.parent = null;\n }\n\n BranchChunk.prototype = {\n chunkSize: function() { return this.size },\n\n removeInner: function(at, n) {\n var this$1 = this;\n\n this.size -= n;\n for (var i = 0; i < this.children.length; ++i) {\n var child = this$1.children[i], sz = child.chunkSize();\n if (at < sz) {\n var rm = Math.min(n, sz - at), oldHeight = child.height;\n child.removeInner(at, rm);\n this$1.height -= oldHeight - child.height;\n if (sz == rm) { this$1.children.splice(i--, 1); child.parent = null; }\n if ((n -= rm) == 0) { break }\n at = 0;\n } else { at -= sz; }\n }\n // If the result is smaller than 25 lines, ensure that it is a\n // single leaf node.\n if (this.size - n < 25 &&\n (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {\n var lines = [];\n this.collapse(lines);\n this.children = [new LeafChunk(lines)];\n this.children[0].parent = this;\n }\n },\n\n collapse: function(lines) {\n var this$1 = this;\n\n for (var i = 0; i < this.children.length; ++i) { this$1.children[i].collapse(lines); }\n },\n\n insertInner: function(at, lines, height) {\n var this$1 = this;\n\n this.size += lines.length;\n this.height += height;\n for (var i = 0; i < this.children.length; ++i) {\n var child = this$1.children[i], sz = child.chunkSize();\n if (at <= sz) {\n child.insertInner(at, lines, height);\n if (child.lines && child.lines.length > 50) {\n // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced.\n // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest.\n var remaining = child.lines.length % 25 + 25;\n for (var pos = remaining; pos < child.lines.length;) {\n var leaf = new LeafChunk(child.lines.slice(pos, pos += 25));\n child.height -= leaf.height;\n this$1.children.splice(++i, 0, leaf);\n leaf.parent = this$1;\n }\n child.lines = child.lines.slice(0, remaining);\n this$1.maybeSpill();\n }\n break\n }\n at -= sz;\n }\n },\n\n // When a node has grown, check whether it should be split.\n maybeSpill: function() {\n if (this.children.length <= 10) { return }\n var me = this;\n do {\n var spilled = me.children.splice(me.children.length - 5, 5);\n var sibling = new BranchChunk(spilled);\n if (!me.parent) { // Become the parent node\n var copy = new BranchChunk(me.children);\n copy.parent = me;\n me.children = [copy, sibling];\n me = copy;\n } else {\n me.size -= sibling.size;\n me.height -= sibling.height;\n var myIndex = indexOf(me.parent.children, me);\n me.parent.children.splice(myIndex + 1, 0, sibling);\n }\n sibling.parent = me.parent;\n } while (me.children.length > 10)\n me.parent.maybeSpill();\n },\n\n iterN: function(at, n, op) {\n var this$1 = this;\n\n for (var i = 0; i < this.children.length; ++i) {\n var child = this$1.children[i], sz = child.chunkSize();\n if (at < sz) {\n var used = Math.min(n, sz - at);\n if (child.iterN(at, used, op)) { return true }\n if ((n -= used) == 0) { break }\n at = 0;\n } else { at -= sz; }\n }\n }\n };\n\n // Line widgets are block elements displayed above or below a line.\n\n var LineWidget = function(doc, node, options) {\n var this$1 = this;\n\n if (options) { for (var opt in options) { if (options.hasOwnProperty(opt))\n { this$1[opt] = options[opt]; } } }\n this.doc = doc;\n this.node = node;\n };\n\n LineWidget.prototype.clear = function () {\n var this$1 = this;\n\n var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);\n if (no == null || !ws) { return }\n for (var i = 0; i < ws.length; ++i) { if (ws[i] == this$1) { ws.splice(i--, 1); } }\n if (!ws.length) { line.widgets = null; }\n var height = widgetHeight(this);\n updateLineHeight(line, Math.max(0, line.height - height));\n if (cm) {\n runInOp(cm, function () {\n adjustScrollWhenAboveVisible(cm, line, -height);\n regLineChange(cm, no, \"widget\");\n });\n signalLater(cm, \"lineWidgetCleared\", cm, this, no);\n }\n };\n\n LineWidget.prototype.changed = function () {\n var this$1 = this;\n\n var oldH = this.height, cm = this.doc.cm, line = this.line;\n this.height = null;\n var diff = widgetHeight(this) - oldH;\n if (!diff) { return }\n if (!lineIsHidden(this.doc, line)) { updateLineHeight(line, line.height + diff); }\n if (cm) {\n runInOp(cm, function () {\n cm.curOp.forceUpdate = true;\n adjustScrollWhenAboveVisible(cm, line, diff);\n signalLater(cm, \"lineWidgetChanged\", cm, this$1, lineNo(line));\n });\n }\n };\n eventMixin(LineWidget);\n\n function adjustScrollWhenAboveVisible(cm, line, diff) {\n if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))\n { addToScrollTop(cm, diff); }\n }\n\n function addLineWidget(doc, handle, node, options) {\n var widget = new LineWidget(doc, node, options);\n var cm = doc.cm;\n if (cm && widget.noHScroll) { cm.display.alignWidgets = true; }\n changeLine(doc, handle, \"widget\", function (line) {\n var widgets = line.widgets || (line.widgets = []);\n if (widget.insertAt == null) { widgets.push(widget); }\n else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); }\n widget.line = line;\n if (cm && !lineIsHidden(doc, line)) {\n var aboveVisible = heightAtLine(line) < doc.scrollTop;\n updateLineHeight(line, line.height + widgetHeight(widget));\n if (aboveVisible) { addToScrollTop(cm, widget.height); }\n cm.curOp.forceUpdate = true;\n }\n return true\n });\n if (cm) { signalLater(cm, \"lineWidgetAdded\", cm, widget, typeof handle == \"number\" ? handle : lineNo(handle)); }\n return widget\n }\n\n // TEXTMARKERS\n\n // Created with markText and setBookmark methods. A TextMarker is a\n // handle that can be used to clear or find a marked position in the\n // document. Line objects hold arrays (markedSpans) containing\n // {from, to, marker} object pointing to such marker objects, and\n // indicating that such a marker is present on that line. Multiple\n // lines may point to the same marker when it spans across lines.\n // The spans will have null for their from/to properties when the\n // marker continues beyond the start/end of the line. Markers have\n // links back to the lines they currently touch.\n\n // Collapsed markers have unique ids, in order to be able to order\n // them, which is needed for uniquely determining an outer marker\n // when they overlap (they may nest, but not partially overlap).\n var nextMarkerId = 0;\n\n var TextMarker = function(doc, type) {\n this.lines = [];\n this.type = type;\n this.doc = doc;\n this.id = ++nextMarkerId;\n };\n\n // Clear the marker.\n TextMarker.prototype.clear = function () {\n var this$1 = this;\n\n if (this.explicitlyCleared) { return }\n var cm = this.doc.cm, withOp = cm && !cm.curOp;\n if (withOp) { startOperation(cm); }\n if (hasHandler(this, \"clear\")) {\n var found = this.find();\n if (found) { signalLater(this, \"clear\", found.from, found.to); }\n }\n var min = null, max = null;\n for (var i = 0; i < this.lines.length; ++i) {\n var line = this$1.lines[i];\n var span = getMarkedSpanFor(line.markedSpans, this$1);\n if (cm && !this$1.collapsed) { regLineChange(cm, lineNo(line), \"text\"); }\n else if (cm) {\n if (span.to != null) { max = lineNo(line); }\n if (span.from != null) { min = lineNo(line); }\n }\n line.markedSpans = removeMarkedSpan(line.markedSpans, span);\n if (span.from == null && this$1.collapsed && !lineIsHidden(this$1.doc, line) && cm)\n { updateLineHeight(line, textHeight(cm.display)); }\n }\n if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) {\n var visual = visualLine(this$1.lines[i$1]), len = lineLength(visual);\n if (len > cm.display.maxLineLength) {\n cm.display.maxLine = visual;\n cm.display.maxLineLength = len;\n cm.display.maxLineChanged = true;\n }\n } }\n\n if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); }\n this.lines.length = 0;\n this.explicitlyCleared = true;\n if (this.atomic && this.doc.cantEdit) {\n this.doc.cantEdit = false;\n if (cm) { reCheckSelection(cm.doc); }\n }\n if (cm) { signalLater(cm, \"markerCleared\", cm, this, min, max); }\n if (withOp) { endOperation(cm); }\n if (this.parent) { this.parent.clear(); }\n };\n\n // Find the position of the marker in the document. Returns a {from,\n // to} object by default. Side can be passed to get a specific side\n // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the\n // Pos objects returned contain a line object, rather than a line\n // number (used to prevent looking up the same line twice).\n TextMarker.prototype.find = function (side, lineObj) {\n var this$1 = this;\n\n if (side == null && this.type == \"bookmark\") { side = 1; }\n var from, to;\n for (var i = 0; i < this.lines.length; ++i) {\n var line = this$1.lines[i];\n var span = getMarkedSpanFor(line.markedSpans, this$1);\n if (span.from != null) {\n from = Pos(lineObj ? line : lineNo(line), span.from);\n if (side == -1) { return from }\n }\n if (span.to != null) {\n to = Pos(lineObj ? line : lineNo(line), span.to);\n if (side == 1) { return to }\n }\n }\n return from && {from: from, to: to}\n };\n\n // Signals that the marker's widget changed, and surrounding layout\n // should be recomputed.\n TextMarker.prototype.changed = function () {\n var this$1 = this;\n\n var pos = this.find(-1, true), widget = this, cm = this.doc.cm;\n if (!pos || !cm) { return }\n runInOp(cm, function () {\n var line = pos.line, lineN = lineNo(pos.line);\n var view = findViewForLine(cm, lineN);\n if (view) {\n clearLineMeasurementCacheFor(view);\n cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;\n }\n cm.curOp.updateMaxLine = true;\n if (!lineIsHidden(widget.doc, line) && widget.height != null) {\n var oldHeight = widget.height;\n widget.height = null;\n var dHeight = widgetHeight(widget) - oldHeight;\n if (dHeight)\n { updateLineHeight(line, line.height + dHeight); }\n }\n signalLater(cm, \"markerChanged\", cm, this$1);\n });\n };\n\n TextMarker.prototype.attachLine = function (line) {\n if (!this.lines.length && this.doc.cm) {\n var op = this.doc.cm.curOp;\n if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)\n { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); }\n }\n this.lines.push(line);\n };\n\n TextMarker.prototype.detachLine = function (line) {\n this.lines.splice(indexOf(this.lines, line), 1);\n if (!this.lines.length && this.doc.cm) {\n var op = this.doc.cm.curOp\n ;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);\n }\n };\n eventMixin(TextMarker);\n\n // Create a marker, wire it up to the right lines, and\n function markText(doc, from, to, options, type) {\n // Shared markers (across linked documents) are handled separately\n // (markTextShared will call out to this again, once per\n // document).\n if (options && options.shared) { return markTextShared(doc, from, to, options, type) }\n // Ensure we are in an operation.\n if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) }\n\n var marker = new TextMarker(doc, type), diff = cmp(from, to);\n if (options) { copyObj(options, marker, false); }\n // Don't connect empty markers unless clearWhenEmpty is false\n if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)\n { return marker }\n if (marker.replacedWith) {\n // Showing up as a widget implies collapsed (widget replaces text)\n marker.collapsed = true;\n marker.widgetNode = eltP(\"span\", [marker.replacedWith], \"CodeMirror-widget\");\n if (!options.handleMouseEvents) { marker.widgetNode.setAttribute(\"cm-ignore-events\", \"true\"); }\n if (options.insertLeft) { marker.widgetNode.insertLeft = true; }\n }\n if (marker.collapsed) {\n if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||\n from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))\n { throw new Error(\"Inserting collapsed marker partially overlapping an existing one\") }\n seeCollapsedSpans();\n }\n\n if (marker.addToHistory)\n { addChangeToHistory(doc, {from: from, to: to, origin: \"markText\"}, doc.sel, NaN); }\n\n var curLine = from.line, cm = doc.cm, updateMaxLine;\n doc.iter(curLine, to.line + 1, function (line) {\n if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)\n { updateMaxLine = true; }\n if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); }\n addMarkedSpan(line, new MarkedSpan(marker,\n curLine == from.line ? from.ch : null,\n curLine == to.line ? to.ch : null));\n ++curLine;\n });\n // lineIsHidden depends on the presence of the spans, so needs a second pass\n if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) {\n if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); }\n }); }\n\n if (marker.clearOnEnter) { on(marker, \"beforeCursorEnter\", function () { return marker.clear(); }); }\n\n if (marker.readOnly) {\n seeReadOnlySpans();\n if (doc.history.done.length || doc.history.undone.length)\n { doc.clearHistory(); }\n }\n if (marker.collapsed) {\n marker.id = ++nextMarkerId;\n marker.atomic = true;\n }\n if (cm) {\n // Sync editor state\n if (updateMaxLine) { cm.curOp.updateMaxLine = true; }\n if (marker.collapsed)\n { regChange(cm, from.line, to.line + 1); }\n else if (marker.className || marker.startStyle || marker.endStyle || marker.css ||\n marker.attributes || marker.title)\n { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, \"text\"); } }\n if (marker.atomic) { reCheckSelection(cm.doc); }\n signalLater(cm, \"markerAdded\", cm, marker);\n }\n return marker\n }\n\n // SHARED TEXTMARKERS\n\n // A shared marker spans multiple linked documents. It is\n // implemented as a meta-marker-object controlling multiple normal\n // markers.\n var SharedTextMarker = function(markers, primary) {\n var this$1 = this;\n\n this.markers = markers;\n this.primary = primary;\n for (var i = 0; i < markers.length; ++i)\n { markers[i].parent = this$1; }\n };\n\n SharedTextMarker.prototype.clear = function () {\n var this$1 = this;\n\n if (this.explicitlyCleared) { return }\n this.explicitlyCleared = true;\n for (var i = 0; i < this.markers.length; ++i)\n { this$1.markers[i].clear(); }\n signalLater(this, \"clear\");\n };\n\n SharedTextMarker.prototype.find = function (side, lineObj) {\n return this.primary.find(side, lineObj)\n };\n eventMixin(SharedTextMarker);\n\n function markTextShared(doc, from, to, options, type) {\n options = copyObj(options);\n options.shared = false;\n var markers = [markText(doc, from, to, options, type)], primary = markers[0];\n var widget = options.widgetNode;\n linkedDocs(doc, function (doc) {\n if (widget) { options.widgetNode = widget.cloneNode(true); }\n markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));\n for (var i = 0; i < doc.linked.length; ++i)\n { if (doc.linked[i].isParent) { return } }\n primary = lst(markers);\n });\n return new SharedTextMarker(markers, primary)\n }\n\n function findSharedMarkers(doc) {\n return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; })\n }\n\n function copySharedMarkers(doc, markers) {\n for (var i = 0; i < markers.length; i++) {\n var marker = markers[i], pos = marker.find();\n var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);\n if (cmp(mFrom, mTo)) {\n var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);\n marker.markers.push(subMark);\n subMark.parent = marker;\n }\n }\n }\n\n function detachSharedMarkers(markers) {\n var loop = function ( i ) {\n var marker = markers[i], linked = [marker.primary.doc];\n linkedDocs(marker.primary.doc, function (d) { return linked.push(d); });\n for (var j = 0; j < marker.markers.length; j++) {\n var subMarker = marker.markers[j];\n if (indexOf(linked, subMarker.doc) == -1) {\n subMarker.parent = null;\n marker.markers.splice(j--, 1);\n }\n }\n };\n\n for (var i = 0; i < markers.length; i++) loop( i );\n }\n\n var nextDocId = 0;\n var Doc = function(text, mode, firstLine, lineSep, direction) {\n if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) }\n if (firstLine == null) { firstLine = 0; }\n\n BranchChunk.call(this, [new LeafChunk([new Line(\"\", null)])]);\n this.first = firstLine;\n this.scrollTop = this.scrollLeft = 0;\n this.cantEdit = false;\n this.cleanGeneration = 1;\n this.modeFrontier = this.highlightFrontier = firstLine;\n var start = Pos(firstLine, 0);\n this.sel = simpleSelection(start);\n this.history = new History(null);\n this.id = ++nextDocId;\n this.modeOption = mode;\n this.lineSep = lineSep;\n this.direction = (direction == \"rtl\") ? \"rtl\" : \"ltr\";\n this.extend = false;\n\n if (typeof text == \"string\") { text = this.splitLines(text); }\n updateDoc(this, {from: start, to: start, text: text});\n setSelection(this, simpleSelection(start), sel_dontScroll);\n };\n\n Doc.prototype = createObj(BranchChunk.prototype, {\n constructor: Doc,\n // Iterate over the document. Supports two forms -- with only one\n // argument, it calls that for each line in the document. With\n // three, it iterates over the range given by the first two (with\n // the second being non-inclusive).\n iter: function(from, to, op) {\n if (op) { this.iterN(from - this.first, to - from, op); }\n else { this.iterN(this.first, this.first + this.size, from); }\n },\n\n // Non-public interface for adding and removing lines.\n insert: function(at, lines) {\n var height = 0;\n for (var i = 0; i < lines.length; ++i) { height += lines[i].height; }\n this.insertInner(at - this.first, lines, height);\n },\n remove: function(at, n) { this.removeInner(at - this.first, n); },\n\n // From here, the methods are part of the public interface. Most\n // are also available from CodeMirror (editor) instances.\n\n getValue: function(lineSep) {\n var lines = getLines(this, this.first, this.first + this.size);\n if (lineSep === false) { return lines }\n return lines.join(lineSep || this.lineSeparator())\n },\n setValue: docMethodOp(function(code) {\n var top = Pos(this.first, 0), last = this.first + this.size - 1;\n makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),\n text: this.splitLines(code), origin: \"setValue\", full: true}, true);\n if (this.cm) { scrollToCoords(this.cm, 0, 0); }\n setSelection(this, simpleSelection(top), sel_dontScroll);\n }),\n replaceRange: function(code, from, to, origin) {\n from = clipPos(this, from);\n to = to ? clipPos(this, to) : from;\n replaceRange(this, code, from, to, origin);\n },\n getRange: function(from, to, lineSep) {\n var lines = getBetween(this, clipPos(this, from), clipPos(this, to));\n if (lineSep === false) { return lines }\n return lines.join(lineSep || this.lineSeparator())\n },\n\n getLine: function(line) {var l = this.getLineHandle(line); return l && l.text},\n\n getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }},\n getLineNumber: function(line) {return lineNo(line)},\n\n getLineHandleVisualStart: function(line) {\n if (typeof line == \"number\") { line = getLine(this, line); }\n return visualLine(line)\n },\n\n lineCount: function() {return this.size},\n firstLine: function() {return this.first},\n lastLine: function() {return this.first + this.size - 1},\n\n clipPos: function(pos) {return clipPos(this, pos)},\n\n getCursor: function(start) {\n var range$$1 = this.sel.primary(), pos;\n if (start == null || start == \"head\") { pos = range$$1.head; }\n else if (start == \"anchor\") { pos = range$$1.anchor; }\n else if (start == \"end\" || start == \"to\" || start === false) { pos = range$$1.to(); }\n else { pos = range$$1.from(); }\n return pos\n },\n listSelections: function() { return this.sel.ranges },\n somethingSelected: function() {return this.sel.somethingSelected()},\n\n setCursor: docMethodOp(function(line, ch, options) {\n setSimpleSelection(this, clipPos(this, typeof line == \"number\" ? Pos(line, ch || 0) : line), null, options);\n }),\n setSelection: docMethodOp(function(anchor, head, options) {\n setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);\n }),\n extendSelection: docMethodOp(function(head, other, options) {\n extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);\n }),\n extendSelections: docMethodOp(function(heads, options) {\n extendSelections(this, clipPosArray(this, heads), options);\n }),\n extendSelectionsBy: docMethodOp(function(f, options) {\n var heads = map(this.sel.ranges, f);\n extendSelections(this, clipPosArray(this, heads), options);\n }),\n setSelections: docMethodOp(function(ranges, primary, options) {\n var this$1 = this;\n\n if (!ranges.length) { return }\n var out = [];\n for (var i = 0; i < ranges.length; i++)\n { out[i] = new Range(clipPos(this$1, ranges[i].anchor),\n clipPos(this$1, ranges[i].head)); }\n if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); }\n setSelection(this, normalizeSelection(this.cm, out, primary), options);\n }),\n addSelection: docMethodOp(function(anchor, head, options) {\n var ranges = this.sel.ranges.slice(0);\n ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));\n setSelection(this, normalizeSelection(this.cm, ranges, ranges.length - 1), options);\n }),\n\n getSelection: function(lineSep) {\n var this$1 = this;\n\n var ranges = this.sel.ranges, lines;\n for (var i = 0; i < ranges.length; i++) {\n var sel = getBetween(this$1, ranges[i].from(), ranges[i].to());\n lines = lines ? lines.concat(sel) : sel;\n }\n if (lineSep === false) { return lines }\n else { return lines.join(lineSep || this.lineSeparator()) }\n },\n getSelections: function(lineSep) {\n var this$1 = this;\n\n var parts = [], ranges = this.sel.ranges;\n for (var i = 0; i < ranges.length; i++) {\n var sel = getBetween(this$1, ranges[i].from(), ranges[i].to());\n if (lineSep !== false) { sel = sel.join(lineSep || this$1.lineSeparator()); }\n parts[i] = sel;\n }\n return parts\n },\n replaceSelection: function(code, collapse, origin) {\n var dup = [];\n for (var i = 0; i < this.sel.ranges.length; i++)\n { dup[i] = code; }\n this.replaceSelections(dup, collapse, origin || \"+input\");\n },\n replaceSelections: docMethodOp(function(code, collapse, origin) {\n var this$1 = this;\n\n var changes = [], sel = this.sel;\n for (var i = 0; i < sel.ranges.length; i++) {\n var range$$1 = sel.ranges[i];\n changes[i] = {from: range$$1.from(), to: range$$1.to(), text: this$1.splitLines(code[i]), origin: origin};\n }\n var newSel = collapse && collapse != \"end\" && computeReplacedSel(this, changes, collapse);\n for (var i$1 = changes.length - 1; i$1 >= 0; i$1--)\n { makeChange(this$1, changes[i$1]); }\n if (newSel) { setSelectionReplaceHistory(this, newSel); }\n else if (this.cm) { ensureCursorVisible(this.cm); }\n }),\n undo: docMethodOp(function() {makeChangeFromHistory(this, \"undo\");}),\n redo: docMethodOp(function() {makeChangeFromHistory(this, \"redo\");}),\n undoSelection: docMethodOp(function() {makeChangeFromHistory(this, \"undo\", true);}),\n redoSelection: docMethodOp(function() {makeChangeFromHistory(this, \"redo\", true);}),\n\n setExtending: function(val) {this.extend = val;},\n getExtending: function() {return this.extend},\n\n historySize: function() {\n var hist = this.history, done = 0, undone = 0;\n for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } }\n for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } }\n return {undo: done, redo: undone}\n },\n clearHistory: function() {this.history = new History(this.history.maxGeneration);},\n\n markClean: function() {\n this.cleanGeneration = this.changeGeneration(true);\n },\n changeGeneration: function(forceSplit) {\n if (forceSplit)\n { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; }\n return this.history.generation\n },\n isClean: function (gen) {\n return this.history.generation == (gen || this.cleanGeneration)\n },\n\n getHistory: function() {\n return {done: copyHistoryArray(this.history.done),\n undone: copyHistoryArray(this.history.undone)}\n },\n setHistory: function(histData) {\n var hist = this.history = new History(this.history.maxGeneration);\n hist.done = copyHistoryArray(histData.done.slice(0), null, true);\n hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);\n },\n\n setGutterMarker: docMethodOp(function(line, gutterID, value) {\n return changeLine(this, line, \"gutter\", function (line) {\n var markers = line.gutterMarkers || (line.gutterMarkers = {});\n markers[gutterID] = value;\n if (!value && isEmpty(markers)) { line.gutterMarkers = null; }\n return true\n })\n }),\n\n clearGutter: docMethodOp(function(gutterID) {\n var this$1 = this;\n\n this.iter(function (line) {\n if (line.gutterMarkers && line.gutterMarkers[gutterID]) {\n changeLine(this$1, line, \"gutter\", function () {\n line.gutterMarkers[gutterID] = null;\n if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; }\n return true\n });\n }\n });\n }),\n\n lineInfo: function(line) {\n var n;\n if (typeof line == \"number\") {\n if (!isLine(this, line)) { return null }\n n = line;\n line = getLine(this, line);\n if (!line) { return null }\n } else {\n n = lineNo(line);\n if (n == null) { return null }\n }\n return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,\n textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,\n widgets: line.widgets}\n },\n\n addLineClass: docMethodOp(function(handle, where, cls) {\n return changeLine(this, handle, where == \"gutter\" ? \"gutter\" : \"class\", function (line) {\n var prop = where == \"text\" ? \"textClass\"\n : where == \"background\" ? \"bgClass\"\n : where == \"gutter\" ? \"gutterClass\" : \"wrapClass\";\n if (!line[prop]) { line[prop] = cls; }\n else if (classTest(cls).test(line[prop])) { return false }\n else { line[prop] += \" \" + cls; }\n return true\n })\n }),\n removeLineClass: docMethodOp(function(handle, where, cls) {\n return changeLine(this, handle, where == \"gutter\" ? \"gutter\" : \"class\", function (line) {\n var prop = where == \"text\" ? \"textClass\"\n : where == \"background\" ? \"bgClass\"\n : where == \"gutter\" ? \"gutterClass\" : \"wrapClass\";\n var cur = line[prop];\n if (!cur) { return false }\n else if (cls == null) { line[prop] = null; }\n else {\n var found = cur.match(classTest(cls));\n if (!found) { return false }\n var end = found.index + found[0].length;\n line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? \"\" : \" \") + cur.slice(end) || null;\n }\n return true\n })\n }),\n\n addLineWidget: docMethodOp(function(handle, node, options) {\n return addLineWidget(this, handle, node, options)\n }),\n removeLineWidget: function(widget) { widget.clear(); },\n\n markText: function(from, to, options) {\n return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || \"range\")\n },\n setBookmark: function(pos, options) {\n var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),\n insertLeft: options && options.insertLeft,\n clearWhenEmpty: false, shared: options && options.shared,\n handleMouseEvents: options && options.handleMouseEvents};\n pos = clipPos(this, pos);\n return markText(this, pos, pos, realOpts, \"bookmark\")\n },\n findMarksAt: function(pos) {\n pos = clipPos(this, pos);\n var markers = [], spans = getLine(this, pos.line).markedSpans;\n if (spans) { for (var i = 0; i < spans.length; ++i) {\n var span = spans[i];\n if ((span.from == null || span.from <= pos.ch) &&\n (span.to == null || span.to >= pos.ch))\n { markers.push(span.marker.parent || span.marker); }\n } }\n return markers\n },\n findMarks: function(from, to, filter) {\n from = clipPos(this, from); to = clipPos(this, to);\n var found = [], lineNo$$1 = from.line;\n this.iter(from.line, to.line + 1, function (line) {\n var spans = line.markedSpans;\n if (spans) { for (var i = 0; i < spans.length; i++) {\n var span = spans[i];\n if (!(span.to != null && lineNo$$1 == from.line && from.ch >= span.to ||\n span.from == null && lineNo$$1 != from.line ||\n span.from != null && lineNo$$1 == to.line && span.from >= to.ch) &&\n (!filter || filter(span.marker)))\n { found.push(span.marker.parent || span.marker); }\n } }\n ++lineNo$$1;\n });\n return found\n },\n getAllMarks: function() {\n var markers = [];\n this.iter(function (line) {\n var sps = line.markedSpans;\n if (sps) { for (var i = 0; i < sps.length; ++i)\n { if (sps[i].from != null) { markers.push(sps[i].marker); } } }\n });\n return markers\n },\n\n posFromIndex: function(off) {\n var ch, lineNo$$1 = this.first, sepSize = this.lineSeparator().length;\n this.iter(function (line) {\n var sz = line.text.length + sepSize;\n if (sz > off) { ch = off; return true }\n off -= sz;\n ++lineNo$$1;\n });\n return clipPos(this, Pos(lineNo$$1, ch))\n },\n indexFromPos: function (coords) {\n coords = clipPos(this, coords);\n var index = coords.ch;\n if (coords.line < this.first || coords.ch < 0) { return 0 }\n var sepSize = this.lineSeparator().length;\n this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value\n index += line.text.length + sepSize;\n });\n return index\n },\n\n copy: function(copyHistory) {\n var doc = new Doc(getLines(this, this.first, this.first + this.size),\n this.modeOption, this.first, this.lineSep, this.direction);\n doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;\n doc.sel = this.sel;\n doc.extend = false;\n if (copyHistory) {\n doc.history.undoDepth = this.history.undoDepth;\n doc.setHistory(this.getHistory());\n }\n return doc\n },\n\n linkedDoc: function(options) {\n if (!options) { options = {}; }\n var from = this.first, to = this.first + this.size;\n if (options.from != null && options.from > from) { from = options.from; }\n if (options.to != null && options.to < to) { to = options.to; }\n var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction);\n if (options.sharedHist) { copy.history = this.history\n ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});\n copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];\n copySharedMarkers(copy, findSharedMarkers(this));\n return copy\n },\n unlinkDoc: function(other) {\n var this$1 = this;\n\n if (other instanceof CodeMirror) { other = other.doc; }\n if (this.linked) { for (var i = 0; i < this.linked.length; ++i) {\n var link = this$1.linked[i];\n if (link.doc != other) { continue }\n this$1.linked.splice(i, 1);\n other.unlinkDoc(this$1);\n detachSharedMarkers(findSharedMarkers(this$1));\n break\n } }\n // If the histories were shared, split them again\n if (other.history == this.history) {\n var splitIds = [other.id];\n linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true);\n other.history = new History(null);\n other.history.done = copyHistoryArray(this.history.done, splitIds);\n other.history.undone = copyHistoryArray(this.history.undone, splitIds);\n }\n },\n iterLinkedDocs: function(f) {linkedDocs(this, f);},\n\n getMode: function() {return this.mode},\n getEditor: function() {return this.cm},\n\n splitLines: function(str) {\n if (this.lineSep) { return str.split(this.lineSep) }\n return splitLinesAuto(str)\n },\n lineSeparator: function() { return this.lineSep || \"\\n\" },\n\n setDirection: docMethodOp(function (dir) {\n if (dir != \"rtl\") { dir = \"ltr\"; }\n if (dir == this.direction) { return }\n this.direction = dir;\n this.iter(function (line) { return line.order = null; });\n if (this.cm) { directionChanged(this.cm); }\n })\n });\n\n // Public alias.\n Doc.prototype.eachLine = Doc.prototype.iter;\n\n // Kludge to work around strange IE behavior where it'll sometimes\n // re-fire a series of drag-related events right after the drop (#1551)\n var lastDrop = 0;\n\n function onDrop(e) {\n var cm = this;\n clearDragCursor(cm);\n if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))\n { return }\n e_preventDefault(e);\n if (ie) { lastDrop = +new Date; }\n var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;\n if (!pos || cm.isReadOnly()) { return }\n // Might be a file drop, in which case we simply extract the text\n // and insert it.\n if (files && files.length && window.FileReader && window.File) {\n var n = files.length, text = Array(n), read = 0;\n var loadFile = function (file, i) {\n if (cm.options.allowDropFileTypes &&\n indexOf(cm.options.allowDropFileTypes, file.type) == -1)\n { return }\n\n var reader = new FileReader;\n reader.onload = operation(cm, function () {\n var content = reader.result;\n if (/[\\x00-\\x08\\x0e-\\x1f]{2}/.test(content)) { content = \"\"; }\n text[i] = content;\n if (++read == n) {\n pos = clipPos(cm.doc, pos);\n var change = {from: pos, to: pos,\n text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())),\n origin: \"paste\"};\n makeChange(cm.doc, change);\n setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change)));\n }\n });\n reader.readAsText(file);\n };\n for (var i = 0; i < n; ++i) { loadFile(files[i], i); }\n } else { // Normal drop\n // Don't do a replace if the drop happened inside of the selected text.\n if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {\n cm.state.draggingText(e);\n // Ensure the editor is re-focused\n setTimeout(function () { return cm.display.input.focus(); }, 20);\n return\n }\n try {\n var text$1 = e.dataTransfer.getData(\"Text\");\n if (text$1) {\n var selected;\n if (cm.state.draggingText && !cm.state.draggingText.copy)\n { selected = cm.listSelections(); }\n setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));\n if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1)\n { replaceRange(cm.doc, \"\", selected[i$1].anchor, selected[i$1].head, \"drag\"); } }\n cm.replaceSelection(text$1, \"around\", \"paste\");\n cm.display.input.focus();\n }\n }\n catch(e){}\n }\n }\n\n function onDragStart(cm, e) {\n if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return }\n if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return }\n\n e.dataTransfer.setData(\"Text\", cm.getSelection());\n e.dataTransfer.effectAllowed = \"copyMove\";\n\n // Use dummy image instead of default browsers image.\n // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.\n if (e.dataTransfer.setDragImage && !safari) {\n var img = elt(\"img\", null, null, \"position: fixed; left: 0; top: 0;\");\n img.src = \"data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\";\n if (presto) {\n img.width = img.height = 1;\n cm.display.wrapper.appendChild(img);\n // Force a relayout, or Opera won't use our image for some obscure reason\n img._top = img.offsetTop;\n }\n e.dataTransfer.setDragImage(img, 0, 0);\n if (presto) { img.parentNode.removeChild(img); }\n }\n }\n\n function onDragOver(cm, e) {\n var pos = posFromMouse(cm, e);\n if (!pos) { return }\n var frag = document.createDocumentFragment();\n drawSelectionCursor(cm, pos, frag);\n if (!cm.display.dragCursor) {\n cm.display.dragCursor = elt(\"div\", null, \"CodeMirror-cursors CodeMirror-dragcursors\");\n cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv);\n }\n removeChildrenAndAdd(cm.display.dragCursor, frag);\n }\n\n function clearDragCursor(cm) {\n if (cm.display.dragCursor) {\n cm.display.lineSpace.removeChild(cm.display.dragCursor);\n cm.display.dragCursor = null;\n }\n }\n\n // These must be handled carefully, because naively registering a\n // handler for each editor will cause the editors to never be\n // garbage collected.\n\n function forEachCodeMirror(f) {\n if (!document.getElementsByClassName) { return }\n var byClass = document.getElementsByClassName(\"CodeMirror\"), editors = [];\n for (var i = 0; i < byClass.length; i++) {\n var cm = byClass[i].CodeMirror;\n if (cm) { editors.push(cm); }\n }\n if (editors.length) { editors[0].operation(function () {\n for (var i = 0; i < editors.length; i++) { f(editors[i]); }\n }); }\n }\n\n var globalsRegistered = false;\n function ensureGlobalHandlers() {\n if (globalsRegistered) { return }\n registerGlobalHandlers();\n globalsRegistered = true;\n }\n function registerGlobalHandlers() {\n // When the window resizes, we need to refresh active editors.\n var resizeTimer;\n on(window, \"resize\", function () {\n if (resizeTimer == null) { resizeTimer = setTimeout(function () {\n resizeTimer = null;\n forEachCodeMirror(onResize);\n }, 100); }\n });\n // When the window loses focus, we want to show the editor as blurred\n on(window, \"blur\", function () { return forEachCodeMirror(onBlur); });\n }\n // Called when the window resizes\n function onResize(cm) {\n var d = cm.display;\n // Might be a text scaling operation, clear size caches.\n d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;\n d.scrollbarsClipped = false;\n cm.setSize();\n }\n\n var keyNames = {\n 3: \"Pause\", 8: \"Backspace\", 9: \"Tab\", 13: \"Enter\", 16: \"Shift\", 17: \"Ctrl\", 18: \"Alt\",\n 19: \"Pause\", 20: \"CapsLock\", 27: \"Esc\", 32: \"Space\", 33: \"PageUp\", 34: \"PageDown\", 35: \"End\",\n 36: \"Home\", 37: \"Left\", 38: \"Up\", 39: \"Right\", 40: \"Down\", 44: \"PrintScrn\", 45: \"Insert\",\n 46: \"Delete\", 59: \";\", 61: \"=\", 91: \"Mod\", 92: \"Mod\", 93: \"Mod\",\n 106: \"*\", 107: \"=\", 109: \"-\", 110: \".\", 111: \"/\", 145: \"ScrollLock\",\n 173: \"-\", 186: \";\", 187: \"=\", 188: \",\", 189: \"-\", 190: \".\", 191: \"/\", 192: \"`\", 219: \"[\", 220: \"\\\\\",\n 221: \"]\", 222: \"'\", 63232: \"Up\", 63233: \"Down\", 63234: \"Left\", 63235: \"Right\", 63272: \"Delete\",\n 63273: \"Home\", 63275: \"End\", 63276: \"PageUp\", 63277: \"PageDown\", 63302: \"Insert\"\n };\n\n // Number keys\n for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); }\n // Alphabetic keys\n for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); }\n // Function keys\n for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = \"F\" + i$2; }\n\n var keyMap = {};\n\n keyMap.basic = {\n \"Left\": \"goCharLeft\", \"Right\": \"goCharRight\", \"Up\": \"goLineUp\", \"Down\": \"goLineDown\",\n \"End\": \"goLineEnd\", \"Home\": \"goLineStartSmart\", \"PageUp\": \"goPageUp\", \"PageDown\": \"goPageDown\",\n \"Delete\": \"delCharAfter\", \"Backspace\": \"delCharBefore\", \"Shift-Backspace\": \"delCharBefore\",\n \"Tab\": \"defaultTab\", \"Shift-Tab\": \"indentAuto\",\n \"Enter\": \"newlineAndIndent\", \"Insert\": \"toggleOverwrite\",\n \"Esc\": \"singleSelection\"\n };\n // Note that the save and find-related commands aren't defined by\n // default. User code or addons can define them. Unknown commands\n // are simply ignored.\n keyMap.pcDefault = {\n \"Ctrl-A\": \"selectAll\", \"Ctrl-D\": \"deleteLine\", \"Ctrl-Z\": \"undo\", \"Shift-Ctrl-Z\": \"redo\", \"Ctrl-Y\": \"redo\",\n \"Ctrl-Home\": \"goDocStart\", \"Ctrl-End\": \"goDocEnd\", \"Ctrl-Up\": \"goLineUp\", \"Ctrl-Down\": \"goLineDown\",\n \"Ctrl-Left\": \"goGroupLeft\", \"Ctrl-Right\": \"goGroupRight\", \"Alt-Left\": \"goLineStart\", \"Alt-Right\": \"goLineEnd\",\n \"Ctrl-Backspace\": \"delGroupBefore\", \"Ctrl-Delete\": \"delGroupAfter\", \"Ctrl-S\": \"save\", \"Ctrl-F\": \"find\",\n \"Ctrl-G\": \"findNext\", \"Shift-Ctrl-G\": \"findPrev\", \"Shift-Ctrl-F\": \"replace\", \"Shift-Ctrl-R\": \"replaceAll\",\n \"Ctrl-[\": \"indentLess\", \"Ctrl-]\": \"indentMore\",\n \"Ctrl-U\": \"undoSelection\", \"Shift-Ctrl-U\": \"redoSelection\", \"Alt-U\": \"redoSelection\",\n \"fallthrough\": \"basic\"\n };\n // Very basic readline/emacs-style bindings, which are standard on Mac.\n keyMap.emacsy = {\n \"Ctrl-F\": \"goCharRight\", \"Ctrl-B\": \"goCharLeft\", \"Ctrl-P\": \"goLineUp\", \"Ctrl-N\": \"goLineDown\",\n \"Alt-F\": \"goWordRight\", \"Alt-B\": \"goWordLeft\", \"Ctrl-A\": \"goLineStart\", \"Ctrl-E\": \"goLineEnd\",\n \"Ctrl-V\": \"goPageDown\", \"Shift-Ctrl-V\": \"goPageUp\", \"Ctrl-D\": \"delCharAfter\", \"Ctrl-H\": \"delCharBefore\",\n \"Alt-D\": \"delWordAfter\", \"Alt-Backspace\": \"delWordBefore\", \"Ctrl-K\": \"killLine\", \"Ctrl-T\": \"transposeChars\",\n \"Ctrl-O\": \"openLine\"\n };\n keyMap.macDefault = {\n \"Cmd-A\": \"selectAll\", \"Cmd-D\": \"deleteLine\", \"Cmd-Z\": \"undo\", \"Shift-Cmd-Z\": \"redo\", \"Cmd-Y\": \"redo\",\n \"Cmd-Home\": \"goDocStart\", \"Cmd-Up\": \"goDocStart\", \"Cmd-End\": \"goDocEnd\", \"Cmd-Down\": \"goDocEnd\", \"Alt-Left\": \"goGroupLeft\",\n \"Alt-Right\": \"goGroupRight\", \"Cmd-Left\": \"goLineLeft\", \"Cmd-Right\": \"goLineRight\", \"Alt-Backspace\": \"delGroupBefore\",\n \"Ctrl-Alt-Backspace\": \"delGroupAfter\", \"Alt-Delete\": \"delGroupAfter\", \"Cmd-S\": \"save\", \"Cmd-F\": \"find\",\n \"Cmd-G\": \"findNext\", \"Shift-Cmd-G\": \"findPrev\", \"Cmd-Alt-F\": \"replace\", \"Shift-Cmd-Alt-F\": \"replaceAll\",\n \"Cmd-[\": \"indentLess\", \"Cmd-]\": \"indentMore\", \"Cmd-Backspace\": \"delWrappedLineLeft\", \"Cmd-Delete\": \"delWrappedLineRight\",\n \"Cmd-U\": \"undoSelection\", \"Shift-Cmd-U\": \"redoSelection\", \"Ctrl-Up\": \"goDocStart\", \"Ctrl-Down\": \"goDocEnd\",\n \"fallthrough\": [\"basic\", \"emacsy\"]\n };\n keyMap[\"default\"] = mac ? keyMap.macDefault : keyMap.pcDefault;\n\n // KEYMAP DISPATCH\n\n function normalizeKeyName(name) {\n var parts = name.split(/-(?!$)/);\n name = parts[parts.length - 1];\n var alt, ctrl, shift, cmd;\n for (var i = 0; i < parts.length - 1; i++) {\n var mod = parts[i];\n if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; }\n else if (/^a(lt)?$/i.test(mod)) { alt = true; }\n else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; }\n else if (/^s(hift)?$/i.test(mod)) { shift = true; }\n else { throw new Error(\"Unrecognized modifier name: \" + mod) }\n }\n if (alt) { name = \"Alt-\" + name; }\n if (ctrl) { name = \"Ctrl-\" + name; }\n if (cmd) { name = \"Cmd-\" + name; }\n if (shift) { name = \"Shift-\" + name; }\n return name\n }\n\n // This is a kludge to keep keymaps mostly working as raw objects\n // (backwards compatibility) while at the same time support features\n // like normalization and multi-stroke key bindings. It compiles a\n // new normalized keymap, and then updates the old object to reflect\n // this.\n function normalizeKeyMap(keymap) {\n var copy = {};\n for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) {\n var value = keymap[keyname];\n if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue }\n if (value == \"...\") { delete keymap[keyname]; continue }\n\n var keys = map(keyname.split(\" \"), normalizeKeyName);\n for (var i = 0; i < keys.length; i++) {\n var val = (void 0), name = (void 0);\n if (i == keys.length - 1) {\n name = keys.join(\" \");\n val = value;\n } else {\n name = keys.slice(0, i + 1).join(\" \");\n val = \"...\";\n }\n var prev = copy[name];\n if (!prev) { copy[name] = val; }\n else if (prev != val) { throw new Error(\"Inconsistent bindings for \" + name) }\n }\n delete keymap[keyname];\n } }\n for (var prop in copy) { keymap[prop] = copy[prop]; }\n return keymap\n }\n\n function lookupKey(key, map$$1, handle, context) {\n map$$1 = getKeyMap(map$$1);\n var found = map$$1.call ? map$$1.call(key, context) : map$$1[key];\n if (found === false) { return \"nothing\" }\n if (found === \"...\") { return \"multi\" }\n if (found != null && handle(found)) { return \"handled\" }\n\n if (map$$1.fallthrough) {\n if (Object.prototype.toString.call(map$$1.fallthrough) != \"[object Array]\")\n { return lookupKey(key, map$$1.fallthrough, handle, context) }\n for (var i = 0; i < map$$1.fallthrough.length; i++) {\n var result = lookupKey(key, map$$1.fallthrough[i], handle, context);\n if (result) { return result }\n }\n }\n }\n\n // Modifier key presses don't count as 'real' key presses for the\n // purpose of keymap fallthrough.\n function isModifierKey(value) {\n var name = typeof value == \"string\" ? value : keyNames[value.keyCode];\n return name == \"Ctrl\" || name == \"Alt\" || name == \"Shift\" || name == \"Mod\"\n }\n\n function addModifierNames(name, event, noShift) {\n var base = name;\n if (event.altKey && base != \"Alt\") { name = \"Alt-\" + name; }\n if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != \"Ctrl\") { name = \"Ctrl-\" + name; }\n if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != \"Cmd\") { name = \"Cmd-\" + name; }\n if (!noShift && event.shiftKey && base != \"Shift\") { name = \"Shift-\" + name; }\n return name\n }\n\n // Look up the name of a key as indicated by an event object.\n function keyName(event, noShift) {\n if (presto && event.keyCode == 34 && event[\"char\"]) { return false }\n var name = keyNames[event.keyCode];\n if (name == null || event.altGraphKey) { return false }\n // Ctrl-ScrollLock has keyCode 3, same as Ctrl-Pause,\n // so we'll use event.code when available (Chrome 48+, FF 38+, Safari 10.1+)\n if (event.keyCode == 3 && event.code) { name = event.code; }\n return addModifierNames(name, event, noShift)\n }\n\n function getKeyMap(val) {\n return typeof val == \"string\" ? keyMap[val] : val\n }\n\n // Helper for deleting text near the selection(s), used to implement\n // backspace, delete, and similar functionality.\n function deleteNearSelection(cm, compute) {\n var ranges = cm.doc.sel.ranges, kill = [];\n // Build up a set of ranges to kill first, merging overlapping\n // ranges.\n for (var i = 0; i < ranges.length; i++) {\n var toKill = compute(ranges[i]);\n while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {\n var replaced = kill.pop();\n if (cmp(replaced.from, toKill.from) < 0) {\n toKill.from = replaced.from;\n break\n }\n }\n kill.push(toKill);\n }\n // Next, remove those actual ranges.\n runInOp(cm, function () {\n for (var i = kill.length - 1; i >= 0; i--)\n { replaceRange(cm.doc, \"\", kill[i].from, kill[i].to, \"+delete\"); }\n ensureCursorVisible(cm);\n });\n }\n\n function moveCharLogically(line, ch, dir) {\n var target = skipExtendingChars(line.text, ch + dir, dir);\n return target < 0 || target > line.text.length ? null : target\n }\n\n function moveLogically(line, start, dir) {\n var ch = moveCharLogically(line, start.ch, dir);\n return ch == null ? null : new Pos(start.line, ch, dir < 0 ? \"after\" : \"before\")\n }\n\n function endOfLine(visually, cm, lineObj, lineNo, dir) {\n if (visually) {\n var order = getOrder(lineObj, cm.doc.direction);\n if (order) {\n var part = dir < 0 ? lst(order) : order[0];\n var moveInStorageOrder = (dir < 0) == (part.level == 1);\n var sticky = moveInStorageOrder ? \"after\" : \"before\";\n var ch;\n // With a wrapped rtl chunk (possibly spanning multiple bidi parts),\n // it could be that the last bidi part is not on the last visual line,\n // since visual lines contain content order-consecutive chunks.\n // Thus, in rtl, we are looking for the first (content-order) character\n // in the rtl chunk that is on the last line (that is, the same line\n // as the last (content-order) character).\n if (part.level > 0 || cm.doc.direction == \"rtl\") {\n var prep = prepareMeasureForLine(cm, lineObj);\n ch = dir < 0 ? lineObj.text.length - 1 : 0;\n var targetTop = measureCharPrepared(cm, prep, ch).top;\n ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch);\n if (sticky == \"before\") { ch = moveCharLogically(lineObj, ch, 1); }\n } else { ch = dir < 0 ? part.to : part.from; }\n return new Pos(lineNo, ch, sticky)\n }\n }\n return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? \"before\" : \"after\")\n }\n\n function moveVisually(cm, line, start, dir) {\n var bidi = getOrder(line, cm.doc.direction);\n if (!bidi) { return moveLogically(line, start, dir) }\n if (start.ch >= line.text.length) {\n start.ch = line.text.length;\n start.sticky = \"before\";\n } else if (start.ch <= 0) {\n start.ch = 0;\n start.sticky = \"after\";\n }\n var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos];\n if (cm.doc.direction == \"ltr\" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) {\n // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines,\n // nothing interesting happens.\n return moveLogically(line, start, dir)\n }\n\n var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); };\n var prep;\n var getWrappedLineExtent = function (ch) {\n if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} }\n prep = prep || prepareMeasureForLine(cm, line);\n return wrappedLineExtentChar(cm, line, prep, ch)\n };\n var wrappedLineExtent = getWrappedLineExtent(start.sticky == \"before\" ? mv(start, -1) : start.ch);\n\n if (cm.doc.direction == \"rtl\" || part.level == 1) {\n var moveInStorageOrder = (part.level == 1) == (dir < 0);\n var ch = mv(start, moveInStorageOrder ? 1 : -1);\n if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) {\n // Case 2: We move within an rtl part or in an rtl editor on the same visual line\n var sticky = moveInStorageOrder ? \"before\" : \"after\";\n return new Pos(start.line, ch, sticky)\n }\n }\n\n // Case 3: Could not move within this bidi part in this visual line, so leave\n // the current bidi part\n\n var searchInVisualLine = function (partPos, dir, wrappedLineExtent) {\n var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder\n ? new Pos(start.line, mv(ch, 1), \"before\")\n : new Pos(start.line, ch, \"after\"); };\n\n for (; partPos >= 0 && partPos < bidi.length; partPos += dir) {\n var part = bidi[partPos];\n var moveInStorageOrder = (dir > 0) == (part.level != 1);\n var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1);\n if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) }\n ch = moveInStorageOrder ? part.from : mv(part.to, -1);\n if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) }\n }\n };\n\n // Case 3a: Look for other bidi parts on the same visual line\n var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent);\n if (res) { return res }\n\n // Case 3b: Look for other bidi parts on the next visual line\n var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1);\n if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) {\n res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh));\n if (res) { return res }\n }\n\n // Case 4: Nowhere to move\n return null\n }\n\n // Commands are parameter-less actions that can be performed on an\n // editor, mostly used for keybindings.\n var commands = {\n selectAll: selectAll,\n singleSelection: function (cm) { return cm.setSelection(cm.getCursor(\"anchor\"), cm.getCursor(\"head\"), sel_dontScroll); },\n killLine: function (cm) { return deleteNearSelection(cm, function (range) {\n if (range.empty()) {\n var len = getLine(cm.doc, range.head.line).text.length;\n if (range.head.ch == len && range.head.line < cm.lastLine())\n { return {from: range.head, to: Pos(range.head.line + 1, 0)} }\n else\n { return {from: range.head, to: Pos(range.head.line, len)} }\n } else {\n return {from: range.from(), to: range.to()}\n }\n }); },\n deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({\n from: Pos(range.from().line, 0),\n to: clipPos(cm.doc, Pos(range.to().line + 1, 0))\n }); }); },\n delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({\n from: Pos(range.from().line, 0), to: range.from()\n }); }); },\n delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) {\n var top = cm.charCoords(range.head, \"div\").top + 5;\n var leftPos = cm.coordsChar({left: 0, top: top}, \"div\");\n return {from: leftPos, to: range.from()}\n }); },\n delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) {\n var top = cm.charCoords(range.head, \"div\").top + 5;\n var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, \"div\");\n return {from: range.from(), to: rightPos }\n }); },\n undo: function (cm) { return cm.undo(); },\n redo: function (cm) { return cm.redo(); },\n undoSelection: function (cm) { return cm.undoSelection(); },\n redoSelection: function (cm) { return cm.redoSelection(); },\n goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); },\n goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); },\n goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); },\n {origin: \"+move\", bias: 1}\n ); },\n goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); },\n {origin: \"+move\", bias: 1}\n ); },\n goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); },\n {origin: \"+move\", bias: -1}\n ); },\n goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) {\n var top = cm.cursorCoords(range.head, \"div\").top + 5;\n return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, \"div\")\n }, sel_move); },\n goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) {\n var top = cm.cursorCoords(range.head, \"div\").top + 5;\n return cm.coordsChar({left: 0, top: top}, \"div\")\n }, sel_move); },\n goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) {\n var top = cm.cursorCoords(range.head, \"div\").top + 5;\n var pos = cm.coordsChar({left: 0, top: top}, \"div\");\n if (pos.ch < cm.getLine(pos.line).search(/\\S/)) { return lineStartSmart(cm, range.head) }\n return pos\n }, sel_move); },\n goLineUp: function (cm) { return cm.moveV(-1, \"line\"); },\n goLineDown: function (cm) { return cm.moveV(1, \"line\"); },\n goPageUp: function (cm) { return cm.moveV(-1, \"page\"); },\n goPageDown: function (cm) { return cm.moveV(1, \"page\"); },\n goCharLeft: function (cm) { return cm.moveH(-1, \"char\"); },\n goCharRight: function (cm) { return cm.moveH(1, \"char\"); },\n goColumnLeft: function (cm) { return cm.moveH(-1, \"column\"); },\n goColumnRight: function (cm) { return cm.moveH(1, \"column\"); },\n goWordLeft: function (cm) { return cm.moveH(-1, \"word\"); },\n goGroupRight: function (cm) { return cm.moveH(1, \"group\"); },\n goGroupLeft: function (cm) { return cm.moveH(-1, \"group\"); },\n goWordRight: function (cm) { return cm.moveH(1, \"word\"); },\n delCharBefore: function (cm) { return cm.deleteH(-1, \"char\"); },\n delCharAfter: function (cm) { return cm.deleteH(1, \"char\"); },\n delWordBefore: function (cm) { return cm.deleteH(-1, \"word\"); },\n delWordAfter: function (cm) { return cm.deleteH(1, \"word\"); },\n delGroupBefore: function (cm) { return cm.deleteH(-1, \"group\"); },\n delGroupAfter: function (cm) { return cm.deleteH(1, \"group\"); },\n indentAuto: function (cm) { return cm.indentSelection(\"smart\"); },\n indentMore: function (cm) { return cm.indentSelection(\"add\"); },\n indentLess: function (cm) { return cm.indentSelection(\"subtract\"); },\n insertTab: function (cm) { return cm.replaceSelection(\"\\t\"); },\n insertSoftTab: function (cm) {\n var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;\n for (var i = 0; i < ranges.length; i++) {\n var pos = ranges[i].from();\n var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);\n spaces.push(spaceStr(tabSize - col % tabSize));\n }\n cm.replaceSelections(spaces);\n },\n defaultTab: function (cm) {\n if (cm.somethingSelected()) { cm.indentSelection(\"add\"); }\n else { cm.execCommand(\"insertTab\"); }\n },\n // Swap the two chars left and right of each selection's head.\n // Move cursor behind the two swapped characters afterwards.\n //\n // Doesn't consider line feeds a character.\n // Doesn't scan more than one line above to find a character.\n // Doesn't do anything on an empty line.\n // Doesn't do anything with non-empty selections.\n transposeChars: function (cm) { return runInOp(cm, function () {\n var ranges = cm.listSelections(), newSel = [];\n for (var i = 0; i < ranges.length; i++) {\n if (!ranges[i].empty()) { continue }\n var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;\n if (line) {\n if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); }\n if (cur.ch > 0) {\n cur = new Pos(cur.line, cur.ch + 1);\n cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),\n Pos(cur.line, cur.ch - 2), cur, \"+transpose\");\n } else if (cur.line > cm.doc.first) {\n var prev = getLine(cm.doc, cur.line - 1).text;\n if (prev) {\n cur = new Pos(cur.line, 1);\n cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() +\n prev.charAt(prev.length - 1),\n Pos(cur.line - 1, prev.length - 1), cur, \"+transpose\");\n }\n }\n }\n newSel.push(new Range(cur, cur));\n }\n cm.setSelections(newSel);\n }); },\n newlineAndIndent: function (cm) { return runInOp(cm, function () {\n var sels = cm.listSelections();\n for (var i = sels.length - 1; i >= 0; i--)\n { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, \"+input\"); }\n sels = cm.listSelections();\n for (var i$1 = 0; i$1 < sels.length; i$1++)\n { cm.indentLine(sels[i$1].from().line, null, true); }\n ensureCursorVisible(cm);\n }); },\n openLine: function (cm) { return cm.replaceSelection(\"\\n\", \"start\"); },\n toggleOverwrite: function (cm) { return cm.toggleOverwrite(); }\n };\n\n\n function lineStart(cm, lineN) {\n var line = getLine(cm.doc, lineN);\n var visual = visualLine(line);\n if (visual != line) { lineN = lineNo(visual); }\n return endOfLine(true, cm, visual, lineN, 1)\n }\n function lineEnd(cm, lineN) {\n var line = getLine(cm.doc, lineN);\n var visual = visualLineEnd(line);\n if (visual != line) { lineN = lineNo(visual); }\n return endOfLine(true, cm, line, lineN, -1)\n }\n function lineStartSmart(cm, pos) {\n var start = lineStart(cm, pos.line);\n var line = getLine(cm.doc, start.line);\n var order = getOrder(line, cm.doc.direction);\n if (!order || order[0].level == 0) {\n var firstNonWS = Math.max(0, line.text.search(/\\S/));\n var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch;\n return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky)\n }\n return start\n }\n\n // Run a handler that was bound to a key.\n function doHandleBinding(cm, bound, dropShift) {\n if (typeof bound == \"string\") {\n bound = commands[bound];\n if (!bound) { return false }\n }\n // Ensure previous input has been read, so that the handler sees a\n // consistent view of the document\n cm.display.input.ensurePolled();\n var prevShift = cm.display.shift, done = false;\n try {\n if (cm.isReadOnly()) { cm.state.suppressEdits = true; }\n if (dropShift) { cm.display.shift = false; }\n done = bound(cm) != Pass;\n } finally {\n cm.display.shift = prevShift;\n cm.state.suppressEdits = false;\n }\n return done\n }\n\n function lookupKeyForEditor(cm, name, handle) {\n for (var i = 0; i < cm.state.keyMaps.length; i++) {\n var result = lookupKey(name, cm.state.keyMaps[i], handle, cm);\n if (result) { return result }\n }\n return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))\n || lookupKey(name, cm.options.keyMap, handle, cm)\n }\n\n // Note that, despite the name, this function is also used to check\n // for bound mouse clicks.\n\n var stopSeq = new Delayed;\n\n function dispatchKey(cm, name, e, handle) {\n var seq = cm.state.keySeq;\n if (seq) {\n if (isModifierKey(name)) { return \"handled\" }\n if (/\\'$/.test(name))\n { cm.state.keySeq = null; }\n else\n { stopSeq.set(50, function () {\n if (cm.state.keySeq == seq) {\n cm.state.keySeq = null;\n cm.display.input.reset();\n }\n }); }\n if (dispatchKeyInner(cm, seq + \" \" + name, e, handle)) { return true }\n }\n return dispatchKeyInner(cm, name, e, handle)\n }\n\n function dispatchKeyInner(cm, name, e, handle) {\n var result = lookupKeyForEditor(cm, name, handle);\n\n if (result == \"multi\")\n { cm.state.keySeq = name; }\n if (result == \"handled\")\n { signalLater(cm, \"keyHandled\", cm, name, e); }\n\n if (result == \"handled\" || result == \"multi\") {\n e_preventDefault(e);\n restartBlink(cm);\n }\n\n return !!result\n }\n\n // Handle a key from the keydown event.\n function handleKeyBinding(cm, e) {\n var name = keyName(e, true);\n if (!name) { return false }\n\n if (e.shiftKey && !cm.state.keySeq) {\n // First try to resolve full name (including 'Shift-'). Failing\n // that, see if there is a cursor-motion command (starting with\n // 'go') bound to the keyname without 'Shift-'.\n return dispatchKey(cm, \"Shift-\" + name, e, function (b) { return doHandleBinding(cm, b, true); })\n || dispatchKey(cm, name, e, function (b) {\n if (typeof b == \"string\" ? /^go[A-Z]/.test(b) : b.motion)\n { return doHandleBinding(cm, b) }\n })\n } else {\n return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); })\n }\n }\n\n // Handle a key from the keypress event\n function handleCharBinding(cm, e, ch) {\n return dispatchKey(cm, \"'\" + ch + \"'\", e, function (b) { return doHandleBinding(cm, b, true); })\n }\n\n var lastStoppedKey = null;\n function onKeyDown(e) {\n var cm = this;\n cm.curOp.focus = activeElt();\n if (signalDOMEvent(cm, e)) { return }\n // IE does strange things with escape.\n if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; }\n var code = e.keyCode;\n cm.display.shift = code == 16 || e.shiftKey;\n var handled = handleKeyBinding(cm, e);\n if (presto) {\n lastStoppedKey = handled ? code : null;\n // Opera has no cut event... we try to at least catch the key combo\n if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))\n { cm.replaceSelection(\"\", null, \"cut\"); }\n }\n\n // Turn mouse into crosshair when Alt is held on Mac.\n if (code == 18 && !/\\bCodeMirror-crosshair\\b/.test(cm.display.lineDiv.className))\n { showCrossHair(cm); }\n }\n\n function showCrossHair(cm) {\n var lineDiv = cm.display.lineDiv;\n addClass(lineDiv, \"CodeMirror-crosshair\");\n\n function up(e) {\n if (e.keyCode == 18 || !e.altKey) {\n rmClass(lineDiv, \"CodeMirror-crosshair\");\n off(document, \"keyup\", up);\n off(document, \"mouseover\", up);\n }\n }\n on(document, \"keyup\", up);\n on(document, \"mouseover\", up);\n }\n\n function onKeyUp(e) {\n if (e.keyCode == 16) { this.doc.sel.shift = false; }\n signalDOMEvent(this, e);\n }\n\n function onKeyPress(e) {\n var cm = this;\n if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return }\n var keyCode = e.keyCode, charCode = e.charCode;\n if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return}\n if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return }\n var ch = String.fromCharCode(charCode == null ? keyCode : charCode);\n // Some browsers fire keypress events for backspace\n if (ch == \"\\x08\") { return }\n if (handleCharBinding(cm, e, ch)) { return }\n cm.display.input.onKeyPress(e);\n }\n\n var DOUBLECLICK_DELAY = 400;\n\n var PastClick = function(time, pos, button) {\n this.time = time;\n this.pos = pos;\n this.button = button;\n };\n\n PastClick.prototype.compare = function (time, pos, button) {\n return this.time + DOUBLECLICK_DELAY > time &&\n cmp(pos, this.pos) == 0 && button == this.button\n };\n\n var lastClick, lastDoubleClick;\n function clickRepeat(pos, button) {\n var now = +new Date;\n if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) {\n lastClick = lastDoubleClick = null;\n return \"triple\"\n } else if (lastClick && lastClick.compare(now, pos, button)) {\n lastDoubleClick = new PastClick(now, pos, button);\n lastClick = null;\n return \"double\"\n } else {\n lastClick = new PastClick(now, pos, button);\n lastDoubleClick = null;\n return \"single\"\n }\n }\n\n // A mouse down can be a single click, double click, triple click,\n // start of selection drag, start of text drag, new cursor\n // (ctrl-click), rectangle drag (alt-drag), or xwin\n // middle-click-paste. Or it might be a click on something we should\n // not interfere with, such as a scrollbar or widget.\n function onMouseDown(e) {\n var cm = this, display = cm.display;\n if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return }\n display.input.ensurePolled();\n display.shift = e.shiftKey;\n\n if (eventInWidget(display, e)) {\n if (!webkit) {\n // Briefly turn off draggability, to allow widgets to do\n // normal dragging things.\n display.scroller.draggable = false;\n setTimeout(function () { return display.scroller.draggable = true; }, 100);\n }\n return\n }\n if (clickInGutter(cm, e)) { return }\n var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : \"single\";\n window.focus();\n\n // #3261: make sure, that we're not starting a second selection\n if (button == 1 && cm.state.selectingText)\n { cm.state.selectingText(e); }\n\n if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return }\n\n if (button == 1) {\n if (pos) { leftButtonDown(cm, pos, repeat, e); }\n else if (e_target(e) == display.scroller) { e_preventDefault(e); }\n } else if (button == 2) {\n if (pos) { extendSelection(cm.doc, pos); }\n setTimeout(function () { return display.input.focus(); }, 20);\n } else if (button == 3) {\n if (captureRightClick) { cm.display.input.onContextMenu(e); }\n else { delayBlurEvent(cm); }\n }\n }\n\n function handleMappedButton(cm, button, pos, repeat, event) {\n var name = \"Click\";\n if (repeat == \"double\") { name = \"Double\" + name; }\n else if (repeat == \"triple\") { name = \"Triple\" + name; }\n name = (button == 1 ? \"Left\" : button == 2 ? \"Middle\" : \"Right\") + name;\n\n return dispatchKey(cm, addModifierNames(name, event), event, function (bound) {\n if (typeof bound == \"string\") { bound = commands[bound]; }\n if (!bound) { return false }\n var done = false;\n try {\n if (cm.isReadOnly()) { cm.state.suppressEdits = true; }\n done = bound(cm, pos) != Pass;\n } finally {\n cm.state.suppressEdits = false;\n }\n return done\n })\n }\n\n function configureMouse(cm, repeat, event) {\n var option = cm.getOption(\"configureMouse\");\n var value = option ? option(cm, repeat, event) : {};\n if (value.unit == null) {\n var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey;\n value.unit = rect ? \"rectangle\" : repeat == \"single\" ? \"char\" : repeat == \"double\" ? \"word\" : \"line\";\n }\n if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; }\n if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; }\n if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); }\n return value\n }\n\n function leftButtonDown(cm, pos, repeat, event) {\n if (ie) { setTimeout(bind(ensureFocus, cm), 0); }\n else { cm.curOp.focus = activeElt(); }\n\n var behavior = configureMouse(cm, repeat, event);\n\n var sel = cm.doc.sel, contained;\n if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() &&\n repeat == \"single\" && (contained = sel.contains(pos)) > -1 &&\n (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) &&\n (cmp(contained.to(), pos) > 0 || pos.xRel < 0))\n { leftButtonStartDrag(cm, event, pos, behavior); }\n else\n { leftButtonSelect(cm, event, pos, behavior); }\n }\n\n // Start a text drag. When it ends, see if any dragging actually\n // happen, and treat as a click if it didn't.\n function leftButtonStartDrag(cm, event, pos, behavior) {\n var display = cm.display, moved = false;\n var dragEnd = operation(cm, function (e) {\n if (webkit) { display.scroller.draggable = false; }\n cm.state.draggingText = false;\n off(display.wrapper.ownerDocument, \"mouseup\", dragEnd);\n off(display.wrapper.ownerDocument, \"mousemove\", mouseMove);\n off(display.scroller, \"dragstart\", dragStart);\n off(display.scroller, \"drop\", dragEnd);\n if (!moved) {\n e_preventDefault(e);\n if (!behavior.addNew)\n { extendSelection(cm.doc, pos, null, null, behavior.extend); }\n // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)\n if (webkit || ie && ie_version == 9)\n { setTimeout(function () {display.wrapper.ownerDocument.body.focus(); display.input.focus();}, 20); }\n else\n { display.input.focus(); }\n }\n });\n var mouseMove = function(e2) {\n moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10;\n };\n var dragStart = function () { return moved = true; };\n // Let the drag handler handle this.\n if (webkit) { display.scroller.draggable = true; }\n cm.state.draggingText = dragEnd;\n dragEnd.copy = !behavior.moveOnDrag;\n // IE's approach to draggable\n if (display.scroller.dragDrop) { display.scroller.dragDrop(); }\n on(display.wrapper.ownerDocument, \"mouseup\", dragEnd);\n on(display.wrapper.ownerDocument, \"mousemove\", mouseMove);\n on(display.scroller, \"dragstart\", dragStart);\n on(display.scroller, \"drop\", dragEnd);\n\n delayBlurEvent(cm);\n setTimeout(function () { return display.input.focus(); }, 20);\n }\n\n function rangeForUnit(cm, pos, unit) {\n if (unit == \"char\") { return new Range(pos, pos) }\n if (unit == \"word\") { return cm.findWordAt(pos) }\n if (unit == \"line\") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) }\n var result = unit(cm, pos);\n return new Range(result.from, result.to)\n }\n\n // Normal selection, as opposed to text dragging.\n function leftButtonSelect(cm, event, start, behavior) {\n var display = cm.display, doc = cm.doc;\n e_preventDefault(event);\n\n var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges;\n if (behavior.addNew && !behavior.extend) {\n ourIndex = doc.sel.contains(start);\n if (ourIndex > -1)\n { ourRange = ranges[ourIndex]; }\n else\n { ourRange = new Range(start, start); }\n } else {\n ourRange = doc.sel.primary();\n ourIndex = doc.sel.primIndex;\n }\n\n if (behavior.unit == \"rectangle\") {\n if (!behavior.addNew) { ourRange = new Range(start, start); }\n start = posFromMouse(cm, event, true, true);\n ourIndex = -1;\n } else {\n var range$$1 = rangeForUnit(cm, start, behavior.unit);\n if (behavior.extend)\n { ourRange = extendRange(ourRange, range$$1.anchor, range$$1.head, behavior.extend); }\n else\n { ourRange = range$$1; }\n }\n\n if (!behavior.addNew) {\n ourIndex = 0;\n setSelection(doc, new Selection([ourRange], 0), sel_mouse);\n startSel = doc.sel;\n } else if (ourIndex == -1) {\n ourIndex = ranges.length;\n setSelection(doc, normalizeSelection(cm, ranges.concat([ourRange]), ourIndex),\n {scroll: false, origin: \"*mouse\"});\n } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == \"char\" && !behavior.extend) {\n setSelection(doc, normalizeSelection(cm, ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),\n {scroll: false, origin: \"*mouse\"});\n startSel = doc.sel;\n } else {\n replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);\n }\n\n var lastPos = start;\n function extendTo(pos) {\n if (cmp(lastPos, pos) == 0) { return }\n lastPos = pos;\n\n if (behavior.unit == \"rectangle\") {\n var ranges = [], tabSize = cm.options.tabSize;\n var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);\n var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);\n var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);\n for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));\n line <= end; line++) {\n var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);\n if (left == right)\n { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); }\n else if (text.length > leftPos)\n { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); }\n }\n if (!ranges.length) { ranges.push(new Range(start, start)); }\n setSelection(doc, normalizeSelection(cm, startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),\n {origin: \"*mouse\", scroll: false});\n cm.scrollIntoView(pos);\n } else {\n var oldRange = ourRange;\n var range$$1 = rangeForUnit(cm, pos, behavior.unit);\n var anchor = oldRange.anchor, head;\n if (cmp(range$$1.anchor, anchor) > 0) {\n head = range$$1.head;\n anchor = minPos(oldRange.from(), range$$1.anchor);\n } else {\n head = range$$1.anchor;\n anchor = maxPos(oldRange.to(), range$$1.head);\n }\n var ranges$1 = startSel.ranges.slice(0);\n ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head));\n setSelection(doc, normalizeSelection(cm, ranges$1, ourIndex), sel_mouse);\n }\n }\n\n var editorSize = display.wrapper.getBoundingClientRect();\n // Used to ensure timeout re-tries don't fire when another extend\n // happened in the meantime (clearTimeout isn't reliable -- at\n // least on Chrome, the timeouts still happen even when cleared,\n // if the clear happens after their scheduled firing time).\n var counter = 0;\n\n function extend(e) {\n var curCount = ++counter;\n var cur = posFromMouse(cm, e, true, behavior.unit == \"rectangle\");\n if (!cur) { return }\n if (cmp(cur, lastPos) != 0) {\n cm.curOp.focus = activeElt();\n extendTo(cur);\n var visible = visibleLines(display, doc);\n if (cur.line >= visible.to || cur.line < visible.from)\n { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); }\n } else {\n var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;\n if (outside) { setTimeout(operation(cm, function () {\n if (counter != curCount) { return }\n display.scroller.scrollTop += outside;\n extend(e);\n }), 50); }\n }\n }\n\n function done(e) {\n cm.state.selectingText = false;\n counter = Infinity;\n // If e is null or undefined we interpret this as someone trying\n // to explicitly cancel the selection rather than the user\n // letting go of the mouse button.\n if (e) {\n e_preventDefault(e);\n display.input.focus();\n }\n off(display.wrapper.ownerDocument, \"mousemove\", move);\n off(display.wrapper.ownerDocument, \"mouseup\", up);\n doc.history.lastSelOrigin = null;\n }\n\n var move = operation(cm, function (e) {\n if (e.buttons === 0 || !e_button(e)) { done(e); }\n else { extend(e); }\n });\n var up = operation(cm, done);\n cm.state.selectingText = up;\n on(display.wrapper.ownerDocument, \"mousemove\", move);\n on(display.wrapper.ownerDocument, \"mouseup\", up);\n }\n\n // Used when mouse-selecting to adjust the anchor to the proper side\n // of a bidi jump depending on the visual position of the head.\n function bidiSimplify(cm, range$$1) {\n var anchor = range$$1.anchor;\n var head = range$$1.head;\n var anchorLine = getLine(cm.doc, anchor.line);\n if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range$$1 }\n var order = getOrder(anchorLine);\n if (!order) { return range$$1 }\n var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index];\n if (part.from != anchor.ch && part.to != anchor.ch) { return range$$1 }\n var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1);\n if (boundary == 0 || boundary == order.length) { return range$$1 }\n\n // Compute the relative visual position of the head compared to the\n // anchor (<0 is to the left, >0 to the right)\n var leftSide;\n if (head.line != anchor.line) {\n leftSide = (head.line - anchor.line) * (cm.doc.direction == \"ltr\" ? 1 : -1) > 0;\n } else {\n var headIndex = getBidiPartAt(order, head.ch, head.sticky);\n var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1);\n if (headIndex == boundary - 1 || headIndex == boundary)\n { leftSide = dir < 0; }\n else\n { leftSide = dir > 0; }\n }\n\n var usePart = order[boundary + (leftSide ? -1 : 0)];\n var from = leftSide == (usePart.level == 1);\n var ch = from ? usePart.from : usePart.to, sticky = from ? \"after\" : \"before\";\n return anchor.ch == ch && anchor.sticky == sticky ? range$$1 : new Range(new Pos(anchor.line, ch, sticky), head)\n }\n\n\n // Determines whether an event happened in the gutter, and fires the\n // handlers for the corresponding event.\n function gutterEvent(cm, e, type, prevent) {\n var mX, mY;\n if (e.touches) {\n mX = e.touches[0].clientX;\n mY = e.touches[0].clientY;\n } else {\n try { mX = e.clientX; mY = e.clientY; }\n catch(e) { return false }\n }\n if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false }\n if (prevent) { e_preventDefault(e); }\n\n var display = cm.display;\n var lineBox = display.lineDiv.getBoundingClientRect();\n\n if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) }\n mY -= lineBox.top - display.viewOffset;\n\n for (var i = 0; i < cm.display.gutterSpecs.length; ++i) {\n var g = display.gutters.childNodes[i];\n if (g && g.getBoundingClientRect().right >= mX) {\n var line = lineAtHeight(cm.doc, mY);\n var gutter = cm.display.gutterSpecs[i];\n signal(cm, type, cm, line, gutter.className, e);\n return e_defaultPrevented(e)\n }\n }\n }\n\n function clickInGutter(cm, e) {\n return gutterEvent(cm, e, \"gutterClick\", true)\n }\n\n // CONTEXT MENU HANDLING\n\n // To make the context menu work, we need to briefly unhide the\n // textarea (making it as unobtrusive as possible) to let the\n // right-click take effect on it.\n function onContextMenu(cm, e) {\n if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return }\n if (signalDOMEvent(cm, e, \"contextmenu\")) { return }\n if (!captureRightClick) { cm.display.input.onContextMenu(e); }\n }\n\n function contextMenuInGutter(cm, e) {\n if (!hasHandler(cm, \"gutterContextMenu\")) { return false }\n return gutterEvent(cm, e, \"gutterContextMenu\", false)\n }\n\n function themeChanged(cm) {\n cm.display.wrapper.className = cm.display.wrapper.className.replace(/\\s*cm-s-\\S+/g, \"\") +\n cm.options.theme.replace(/(^|\\s)\\s*/g, \" cm-s-\");\n clearCaches(cm);\n }\n\n var Init = {toString: function(){return \"CodeMirror.Init\"}};\n\n var defaults = {};\n var optionHandlers = {};\n\n function defineOptions(CodeMirror) {\n var optionHandlers = CodeMirror.optionHandlers;\n\n function option(name, deflt, handle, notOnInit) {\n CodeMirror.defaults[name] = deflt;\n if (handle) { optionHandlers[name] =\n notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; }\n }\n\n CodeMirror.defineOption = option;\n\n // Passed to option handlers when there is no old value.\n CodeMirror.Init = Init;\n\n // These two are, on init, called from the constructor because they\n // have to be initialized before the editor can start at all.\n option(\"value\", \"\", function (cm, val) { return cm.setValue(val); }, true);\n option(\"mode\", null, function (cm, val) {\n cm.doc.modeOption = val;\n loadMode(cm);\n }, true);\n\n option(\"indentUnit\", 2, loadMode, true);\n option(\"indentWithTabs\", false);\n option(\"smartIndent\", true);\n option(\"tabSize\", 4, function (cm) {\n resetModeState(cm);\n clearCaches(cm);\n regChange(cm);\n }, true);\n\n option(\"lineSeparator\", null, function (cm, val) {\n cm.doc.lineSep = val;\n if (!val) { return }\n var newBreaks = [], lineNo = cm.doc.first;\n cm.doc.iter(function (line) {\n for (var pos = 0;;) {\n var found = line.text.indexOf(val, pos);\n if (found == -1) { break }\n pos = found + val.length;\n newBreaks.push(Pos(lineNo, found));\n }\n lineNo++;\n });\n for (var i = newBreaks.length - 1; i >= 0; i--)\n { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); }\n });\n option(\"specialChars\", /[\\u0000-\\u001f\\u007f-\\u009f\\u00ad\\u061c\\u200b-\\u200f\\u2028\\u2029\\ufeff\\ufff9-\\ufffc]/g, function (cm, val, old) {\n cm.state.specialChars = new RegExp(val.source + (val.test(\"\\t\") ? \"\" : \"|\\t\"), \"g\");\n if (old != Init) { cm.refresh(); }\n });\n option(\"specialCharPlaceholder\", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true);\n option(\"electricChars\", true);\n option(\"inputStyle\", mobile ? \"contenteditable\" : \"textarea\", function () {\n throw new Error(\"inputStyle can not (yet) be changed in a running editor\") // FIXME\n }, true);\n option(\"spellcheck\", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true);\n option(\"autocorrect\", false, function (cm, val) { return cm.getInputField().autocorrect = val; }, true);\n option(\"autocapitalize\", false, function (cm, val) { return cm.getInputField().autocapitalize = val; }, true);\n option(\"rtlMoveVisually\", !windows);\n option(\"wholeLineUpdateBefore\", true);\n\n option(\"theme\", \"default\", function (cm) {\n themeChanged(cm);\n updateGutters(cm);\n }, true);\n option(\"keyMap\", \"default\", function (cm, val, old) {\n var next = getKeyMap(val);\n var prev = old != Init && getKeyMap(old);\n if (prev && prev.detach) { prev.detach(cm, next); }\n if (next.attach) { next.attach(cm, prev || null); }\n });\n option(\"extraKeys\", null);\n option(\"configureMouse\", null);\n\n option(\"lineWrapping\", false, wrappingChanged, true);\n option(\"gutters\", [], function (cm, val) {\n cm.display.gutterSpecs = getGutters(val, cm.options.lineNumbers);\n updateGutters(cm);\n }, true);\n option(\"fixedGutter\", true, function (cm, val) {\n cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + \"px\" : \"0\";\n cm.refresh();\n }, true);\n option(\"coverGutterNextToScrollbar\", false, function (cm) { return updateScrollbars(cm); }, true);\n option(\"scrollbarStyle\", \"native\", function (cm) {\n initScrollbars(cm);\n updateScrollbars(cm);\n cm.display.scrollbars.setScrollTop(cm.doc.scrollTop);\n cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft);\n }, true);\n option(\"lineNumbers\", false, function (cm, val) {\n cm.display.gutterSpecs = getGutters(cm.options.gutters, val);\n updateGutters(cm);\n }, true);\n option(\"firstLineNumber\", 1, updateGutters, true);\n option(\"lineNumberFormatter\", function (integer) { return integer; }, updateGutters, true);\n option(\"showCursorWhenSelecting\", false, updateSelection, true);\n\n option(\"resetSelectionOnContextMenu\", true);\n option(\"lineWiseCopyCut\", true);\n option(\"pasteLinesPerSelection\", true);\n option(\"selectionsMayTouch\", false);\n\n option(\"readOnly\", false, function (cm, val) {\n if (val == \"nocursor\") {\n onBlur(cm);\n cm.display.input.blur();\n }\n cm.display.input.readOnlyChanged(val);\n });\n option(\"disableInput\", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true);\n option(\"dragDrop\", true, dragDropChanged);\n option(\"allowDropFileTypes\", null);\n\n option(\"cursorBlinkRate\", 530);\n option(\"cursorScrollMargin\", 0);\n option(\"cursorHeight\", 1, updateSelection, true);\n option(\"singleCursorHeightPerLine\", true, updateSelection, true);\n option(\"workTime\", 100);\n option(\"workDelay\", 100);\n option(\"flattenSpans\", true, resetModeState, true);\n option(\"addModeClass\", false, resetModeState, true);\n option(\"pollInterval\", 100);\n option(\"undoDepth\", 200, function (cm, val) { return cm.doc.history.undoDepth = val; });\n option(\"historyEventDelay\", 1250);\n option(\"viewportMargin\", 10, function (cm) { return cm.refresh(); }, true);\n option(\"maxHighlightLength\", 10000, resetModeState, true);\n option(\"moveInputWithCursor\", true, function (cm, val) {\n if (!val) { cm.display.input.resetPosition(); }\n });\n\n option(\"tabindex\", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || \"\"; });\n option(\"autofocus\", null);\n option(\"direction\", \"ltr\", function (cm, val) { return cm.doc.setDirection(val); }, true);\n option(\"phrases\", null);\n }\n\n function dragDropChanged(cm, value, old) {\n var wasOn = old && old != Init;\n if (!value != !wasOn) {\n var funcs = cm.display.dragFunctions;\n var toggle = value ? on : off;\n toggle(cm.display.scroller, \"dragstart\", funcs.start);\n toggle(cm.display.scroller, \"dragenter\", funcs.enter);\n toggle(cm.display.scroller, \"dragover\", funcs.over);\n toggle(cm.display.scroller, \"dragleave\", funcs.leave);\n toggle(cm.display.scroller, \"drop\", funcs.drop);\n }\n }\n\n function wrappingChanged(cm) {\n if (cm.options.lineWrapping) {\n addClass(cm.display.wrapper, \"CodeMirror-wrap\");\n cm.display.sizer.style.minWidth = \"\";\n cm.display.sizerWidth = null;\n } else {\n rmClass(cm.display.wrapper, \"CodeMirror-wrap\");\n findMaxLine(cm);\n }\n estimateLineHeights(cm);\n regChange(cm);\n clearCaches(cm);\n setTimeout(function () { return updateScrollbars(cm); }, 100);\n }\n\n // A CodeMirror instance represents an editor. This is the object\n // that user code is usually dealing with.\n\n function CodeMirror(place, options) {\n var this$1 = this;\n\n if (!(this instanceof CodeMirror)) { return new CodeMirror(place, options) }\n\n this.options = options = options ? copyObj(options) : {};\n // Determine effective options based on given values and defaults.\n copyObj(defaults, options, false);\n\n var doc = options.value;\n if (typeof doc == \"string\") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); }\n else if (options.mode) { doc.modeOption = options.mode; }\n this.doc = doc;\n\n var input = new CodeMirror.inputStyles[options.inputStyle](this);\n var display = this.display = new Display(place, doc, input, options);\n display.wrapper.CodeMirror = this;\n themeChanged(this);\n if (options.lineWrapping)\n { this.display.wrapper.className += \" CodeMirror-wrap\"; }\n initScrollbars(this);\n\n this.state = {\n keyMaps: [], // stores maps added by addKeyMap\n overlays: [], // highlighting overlays, as added by addOverlay\n modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info\n overwrite: false,\n delayingBlurEvent: false,\n focused: false,\n suppressEdits: false, // used to disable editing during key handlers when in readOnly mode\n pasteIncoming: -1, cutIncoming: -1, // help recognize paste/cut edits in input.poll\n selectingText: false,\n draggingText: false,\n highlight: new Delayed(), // stores highlight worker timeout\n keySeq: null, // Unfinished key sequence\n specialChars: null\n };\n\n if (options.autofocus && !mobile) { display.input.focus(); }\n\n // Override magic textarea content restore that IE sometimes does\n // on our hidden textarea on reload\n if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20); }\n\n registerEventHandlers(this);\n ensureGlobalHandlers();\n\n startOperation(this);\n this.curOp.forceUpdate = true;\n attachDoc(this, doc);\n\n if ((options.autofocus && !mobile) || this.hasFocus())\n { setTimeout(bind(onFocus, this), 20); }\n else\n { onBlur(this); }\n\n for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt))\n { optionHandlers[opt](this$1, options[opt], Init); } }\n maybeUpdateLineNumberWidth(this);\n if (options.finishInit) { options.finishInit(this); }\n for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this$1); }\n endOperation(this);\n // Suppress optimizelegibility in Webkit, since it breaks text\n // measuring on line wrapping boundaries.\n if (webkit && options.lineWrapping &&\n getComputedStyle(display.lineDiv).textRendering == \"optimizelegibility\")\n { display.lineDiv.style.textRendering = \"auto\"; }\n }\n\n // The default configuration options.\n CodeMirror.defaults = defaults;\n // Functions to run when options are changed.\n CodeMirror.optionHandlers = optionHandlers;\n\n // Attach the necessary event handlers when initializing the editor\n function registerEventHandlers(cm) {\n var d = cm.display;\n on(d.scroller, \"mousedown\", operation(cm, onMouseDown));\n // Older IE's will not fire a second mousedown for a double click\n if (ie && ie_version < 11)\n { on(d.scroller, \"dblclick\", operation(cm, function (e) {\n if (signalDOMEvent(cm, e)) { return }\n var pos = posFromMouse(cm, e);\n if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return }\n e_preventDefault(e);\n var word = cm.findWordAt(pos);\n extendSelection(cm.doc, word.anchor, word.head);\n })); }\n else\n { on(d.scroller, \"dblclick\", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); }\n // Some browsers fire contextmenu *after* opening the menu, at\n // which point we can't mess with it anymore. Context menu is\n // handled in onMouseDown for these browsers.\n on(d.scroller, \"contextmenu\", function (e) { return onContextMenu(cm, e); });\n\n // Used to suppress mouse event handling when a touch happens\n var touchFinished, prevTouch = {end: 0};\n function finishTouch() {\n if (d.activeTouch) {\n touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000);\n prevTouch = d.activeTouch;\n prevTouch.end = +new Date;\n }\n }\n function isMouseLikeTouchEvent(e) {\n if (e.touches.length != 1) { return false }\n var touch = e.touches[0];\n return touch.radiusX <= 1 && touch.radiusY <= 1\n }\n function farAway(touch, other) {\n if (other.left == null) { return true }\n var dx = other.left - touch.left, dy = other.top - touch.top;\n return dx * dx + dy * dy > 20 * 20\n }\n on(d.scroller, \"touchstart\", function (e) {\n if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) {\n d.input.ensurePolled();\n clearTimeout(touchFinished);\n var now = +new Date;\n d.activeTouch = {start: now, moved: false,\n prev: now - prevTouch.end <= 300 ? prevTouch : null};\n if (e.touches.length == 1) {\n d.activeTouch.left = e.touches[0].pageX;\n d.activeTouch.top = e.touches[0].pageY;\n }\n }\n });\n on(d.scroller, \"touchmove\", function () {\n if (d.activeTouch) { d.activeTouch.moved = true; }\n });\n on(d.scroller, \"touchend\", function (e) {\n var touch = d.activeTouch;\n if (touch && !eventInWidget(d, e) && touch.left != null &&\n !touch.moved && new Date - touch.start < 300) {\n var pos = cm.coordsChar(d.activeTouch, \"page\"), range;\n if (!touch.prev || farAway(touch, touch.prev)) // Single tap\n { range = new Range(pos, pos); }\n else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap\n { range = cm.findWordAt(pos); }\n else // Triple tap\n { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); }\n cm.setSelection(range.anchor, range.head);\n cm.focus();\n e_preventDefault(e);\n }\n finishTouch();\n });\n on(d.scroller, \"touchcancel\", finishTouch);\n\n // Sync scrolling between fake scrollbars and real scrollable\n // area, ensure viewport is updated when scrolling.\n on(d.scroller, \"scroll\", function () {\n if (d.scroller.clientHeight) {\n updateScrollTop(cm, d.scroller.scrollTop);\n setScrollLeft(cm, d.scroller.scrollLeft, true);\n signal(cm, \"scroll\", cm);\n }\n });\n\n // Listen to wheel events in order to try and update the viewport on time.\n on(d.scroller, \"mousewheel\", function (e) { return onScrollWheel(cm, e); });\n on(d.scroller, \"DOMMouseScroll\", function (e) { return onScrollWheel(cm, e); });\n\n // Prevent wrapper from ever scrolling\n on(d.wrapper, \"scroll\", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });\n\n d.dragFunctions = {\n enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }},\n over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }},\n start: function (e) { return onDragStart(cm, e); },\n drop: operation(cm, onDrop),\n leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }}\n };\n\n var inp = d.input.getField();\n on(inp, \"keyup\", function (e) { return onKeyUp.call(cm, e); });\n on(inp, \"keydown\", operation(cm, onKeyDown));\n on(inp, \"keypress\", operation(cm, onKeyPress));\n on(inp, \"focus\", function (e) { return onFocus(cm, e); });\n on(inp, \"blur\", function (e) { return onBlur(cm, e); });\n }\n\n var initHooks = [];\n CodeMirror.defineInitHook = function (f) { return initHooks.push(f); };\n\n // Indent the given line. The how parameter can be \"smart\",\n // \"add\"/null, \"subtract\", or \"prev\". When aggressive is false\n // (typically set to true for forced single-line indents), empty\n // lines are not indented, and places where the mode returns Pass\n // are left alone.\n function indentLine(cm, n, how, aggressive) {\n var doc = cm.doc, state;\n if (how == null) { how = \"add\"; }\n if (how == \"smart\") {\n // Fall back to \"prev\" when the mode doesn't have an indentation\n // method.\n if (!doc.mode.indent) { how = \"prev\"; }\n else { state = getContextBefore(cm, n).state; }\n }\n\n var tabSize = cm.options.tabSize;\n var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);\n if (line.stateAfter) { line.stateAfter = null; }\n var curSpaceString = line.text.match(/^\\s*/)[0], indentation;\n if (!aggressive && !/\\S/.test(line.text)) {\n indentation = 0;\n how = \"not\";\n } else if (how == \"smart\") {\n indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);\n if (indentation == Pass || indentation > 150) {\n if (!aggressive) { return }\n how = \"prev\";\n }\n }\n if (how == \"prev\") {\n if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); }\n else { indentation = 0; }\n } else if (how == \"add\") {\n indentation = curSpace + cm.options.indentUnit;\n } else if (how == \"subtract\") {\n indentation = curSpace - cm.options.indentUnit;\n } else if (typeof how == \"number\") {\n indentation = curSpace + how;\n }\n indentation = Math.max(0, indentation);\n\n var indentString = \"\", pos = 0;\n if (cm.options.indentWithTabs)\n { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += \"\\t\";} }\n if (pos < indentation) { indentString += spaceStr(indentation - pos); }\n\n if (indentString != curSpaceString) {\n replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), \"+input\");\n line.stateAfter = null;\n return true\n } else {\n // Ensure that, if the cursor was in the whitespace at the start\n // of the line, it is moved to the end of that space.\n for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) {\n var range = doc.sel.ranges[i$1];\n if (range.head.line == n && range.head.ch < curSpaceString.length) {\n var pos$1 = Pos(n, curSpaceString.length);\n replaceOneSelection(doc, i$1, new Range(pos$1, pos$1));\n break\n }\n }\n }\n }\n\n // This will be set to a {lineWise: bool, text: [string]} object, so\n // that, when pasting, we know what kind of selections the copied\n // text was made out of.\n var lastCopied = null;\n\n function setLastCopied(newLastCopied) {\n lastCopied = newLastCopied;\n }\n\n function applyTextInput(cm, inserted, deleted, sel, origin) {\n var doc = cm.doc;\n cm.display.shift = false;\n if (!sel) { sel = doc.sel; }\n\n var recent = +new Date - 200;\n var paste = origin == \"paste\" || cm.state.pasteIncoming > recent;\n var textLines = splitLinesAuto(inserted), multiPaste = null;\n // When pasting N lines into N selections, insert one line per selection\n if (paste && sel.ranges.length > 1) {\n if (lastCopied && lastCopied.text.join(\"\\n\") == inserted) {\n if (sel.ranges.length % lastCopied.text.length == 0) {\n multiPaste = [];\n for (var i = 0; i < lastCopied.text.length; i++)\n { multiPaste.push(doc.splitLines(lastCopied.text[i])); }\n }\n } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) {\n multiPaste = map(textLines, function (l) { return [l]; });\n }\n }\n\n var updateInput = cm.curOp.updateInput;\n // Normal behavior is to insert the new text into every selection\n for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) {\n var range$$1 = sel.ranges[i$1];\n var from = range$$1.from(), to = range$$1.to();\n if (range$$1.empty()) {\n if (deleted && deleted > 0) // Handle deletion\n { from = Pos(from.line, from.ch - deleted); }\n else if (cm.state.overwrite && !paste) // Handle overwrite\n { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); }\n else if (paste && lastCopied && lastCopied.lineWise && lastCopied.text.join(\"\\n\") == inserted)\n { from = to = Pos(from.line, 0); }\n }\n var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines,\n origin: origin || (paste ? \"paste\" : cm.state.cutIncoming > recent ? \"cut\" : \"+input\")};\n makeChange(cm.doc, changeEvent);\n signalLater(cm, \"inputRead\", cm, changeEvent);\n }\n if (inserted && !paste)\n { triggerElectric(cm, inserted); }\n\n ensureCursorVisible(cm);\n if (cm.curOp.updateInput < 2) { cm.curOp.updateInput = updateInput; }\n cm.curOp.typing = true;\n cm.state.pasteIncoming = cm.state.cutIncoming = -1;\n }\n\n function handlePaste(e, cm) {\n var pasted = e.clipboardData && e.clipboardData.getData(\"Text\");\n if (pasted) {\n e.preventDefault();\n if (!cm.isReadOnly() && !cm.options.disableInput)\n { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, \"paste\"); }); }\n return true\n }\n }\n\n function triggerElectric(cm, inserted) {\n // When an 'electric' character is inserted, immediately trigger a reindent\n if (!cm.options.electricChars || !cm.options.smartIndent) { return }\n var sel = cm.doc.sel;\n\n for (var i = sel.ranges.length - 1; i >= 0; i--) {\n var range$$1 = sel.ranges[i];\n if (range$$1.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range$$1.head.line)) { continue }\n var mode = cm.getModeAt(range$$1.head);\n var indented = false;\n if (mode.electricChars) {\n for (var j = 0; j < mode.electricChars.length; j++)\n { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {\n indented = indentLine(cm, range$$1.head.line, \"smart\");\n break\n } }\n } else if (mode.electricInput) {\n if (mode.electricInput.test(getLine(cm.doc, range$$1.head.line).text.slice(0, range$$1.head.ch)))\n { indented = indentLine(cm, range$$1.head.line, \"smart\"); }\n }\n if (indented) { signalLater(cm, \"electricInput\", cm, range$$1.head.line); }\n }\n }\n\n function copyableRanges(cm) {\n var text = [], ranges = [];\n for (var i = 0; i < cm.doc.sel.ranges.length; i++) {\n var line = cm.doc.sel.ranges[i].head.line;\n var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};\n ranges.push(lineRange);\n text.push(cm.getRange(lineRange.anchor, lineRange.head));\n }\n return {text: text, ranges: ranges}\n }\n\n function disableBrowserMagic(field, spellcheck, autocorrect, autocapitalize) {\n field.setAttribute(\"autocorrect\", autocorrect ? \"\" : \"off\");\n field.setAttribute(\"autocapitalize\", autocapitalize ? \"\" : \"off\");\n field.setAttribute(\"spellcheck\", !!spellcheck);\n }\n\n function hiddenTextarea() {\n var te = elt(\"textarea\", null, null, \"position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none\");\n var div = elt(\"div\", [te], null, \"overflow: hidden; position: relative; width: 3px; height: 0px;\");\n // The textarea is kept positioned near the cursor to prevent the\n // fact that it'll be scrolled into view on input from scrolling\n // our fake cursor out of view. On webkit, when wrap=off, paste is\n // very slow. So make the area wide instead.\n if (webkit) { te.style.width = \"1000px\"; }\n else { te.setAttribute(\"wrap\", \"off\"); }\n // If border: 0; -- iOS fails to open keyboard (issue #1287)\n if (ios) { te.style.border = \"1px solid black\"; }\n disableBrowserMagic(te);\n return div\n }\n\n // The publicly visible API. Note that methodOp(f) means\n // 'wrap f in an operation, performed on its `this` parameter'.\n\n // This is not the complete set of editor methods. Most of the\n // methods defined on the Doc type are also injected into\n // CodeMirror.prototype, for backwards compatibility and\n // convenience.\n\n function addEditorMethods(CodeMirror) {\n var optionHandlers = CodeMirror.optionHandlers;\n\n var helpers = CodeMirror.helpers = {};\n\n CodeMirror.prototype = {\n constructor: CodeMirror,\n focus: function(){window.focus(); this.display.input.focus();},\n\n setOption: function(option, value) {\n var options = this.options, old = options[option];\n if (options[option] == value && option != \"mode\") { return }\n options[option] = value;\n if (optionHandlers.hasOwnProperty(option))\n { operation(this, optionHandlers[option])(this, value, old); }\n signal(this, \"optionChange\", this, option);\n },\n\n getOption: function(option) {return this.options[option]},\n getDoc: function() {return this.doc},\n\n addKeyMap: function(map$$1, bottom) {\n this.state.keyMaps[bottom ? \"push\" : \"unshift\"](getKeyMap(map$$1));\n },\n removeKeyMap: function(map$$1) {\n var maps = this.state.keyMaps;\n for (var i = 0; i < maps.length; ++i)\n { if (maps[i] == map$$1 || maps[i].name == map$$1) {\n maps.splice(i, 1);\n return true\n } }\n },\n\n addOverlay: methodOp(function(spec, options) {\n var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);\n if (mode.startState) { throw new Error(\"Overlays may not be stateful.\") }\n insertSorted(this.state.overlays,\n {mode: mode, modeSpec: spec, opaque: options && options.opaque,\n priority: (options && options.priority) || 0},\n function (overlay) { return overlay.priority; });\n this.state.modeGen++;\n regChange(this);\n }),\n removeOverlay: methodOp(function(spec) {\n var this$1 = this;\n\n var overlays = this.state.overlays;\n for (var i = 0; i < overlays.length; ++i) {\n var cur = overlays[i].modeSpec;\n if (cur == spec || typeof spec == \"string\" && cur.name == spec) {\n overlays.splice(i, 1);\n this$1.state.modeGen++;\n regChange(this$1);\n return\n }\n }\n }),\n\n indentLine: methodOp(function(n, dir, aggressive) {\n if (typeof dir != \"string\" && typeof dir != \"number\") {\n if (dir == null) { dir = this.options.smartIndent ? \"smart\" : \"prev\"; }\n else { dir = dir ? \"add\" : \"subtract\"; }\n }\n if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); }\n }),\n indentSelection: methodOp(function(how) {\n var this$1 = this;\n\n var ranges = this.doc.sel.ranges, end = -1;\n for (var i = 0; i < ranges.length; i++) {\n var range$$1 = ranges[i];\n if (!range$$1.empty()) {\n var from = range$$1.from(), to = range$$1.to();\n var start = Math.max(end, from.line);\n end = Math.min(this$1.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;\n for (var j = start; j < end; ++j)\n { indentLine(this$1, j, how); }\n var newRanges = this$1.doc.sel.ranges;\n if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)\n { replaceOneSelection(this$1.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); }\n } else if (range$$1.head.line > end) {\n indentLine(this$1, range$$1.head.line, how, true);\n end = range$$1.head.line;\n if (i == this$1.doc.sel.primIndex) { ensureCursorVisible(this$1); }\n }\n }\n }),\n\n // Fetch the parser token for a given character. Useful for hacks\n // that want to inspect the mode state (say, for completion).\n getTokenAt: function(pos, precise) {\n return takeToken(this, pos, precise)\n },\n\n getLineTokens: function(line, precise) {\n return takeToken(this, Pos(line), precise, true)\n },\n\n getTokenTypeAt: function(pos) {\n pos = clipPos(this.doc, pos);\n var styles = getLineStyles(this, getLine(this.doc, pos.line));\n var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;\n var type;\n if (ch == 0) { type = styles[2]; }\n else { for (;;) {\n var mid = (before + after) >> 1;\n if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; }\n else if (styles[mid * 2 + 1] < ch) { before = mid + 1; }\n else { type = styles[mid * 2 + 2]; break }\n } }\n var cut = type ? type.indexOf(\"overlay \") : -1;\n return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1)\n },\n\n getModeAt: function(pos) {\n var mode = this.doc.mode;\n if (!mode.innerMode) { return mode }\n return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode\n },\n\n getHelper: function(pos, type) {\n return this.getHelpers(pos, type)[0]\n },\n\n getHelpers: function(pos, type) {\n var this$1 = this;\n\n var found = [];\n if (!helpers.hasOwnProperty(type)) { return found }\n var help = helpers[type], mode = this.getModeAt(pos);\n if (typeof mode[type] == \"string\") {\n if (help[mode[type]]) { found.push(help[mode[type]]); }\n } else if (mode[type]) {\n for (var i = 0; i < mode[type].length; i++) {\n var val = help[mode[type][i]];\n if (val) { found.push(val); }\n }\n } else if (mode.helperType && help[mode.helperType]) {\n found.push(help[mode.helperType]);\n } else if (help[mode.name]) {\n found.push(help[mode.name]);\n }\n for (var i$1 = 0; i$1 < help._global.length; i$1++) {\n var cur = help._global[i$1];\n if (cur.pred(mode, this$1) && indexOf(found, cur.val) == -1)\n { found.push(cur.val); }\n }\n return found\n },\n\n getStateAfter: function(line, precise) {\n var doc = this.doc;\n line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);\n return getContextBefore(this, line + 1, precise).state\n },\n\n cursorCoords: function(start, mode) {\n var pos, range$$1 = this.doc.sel.primary();\n if (start == null) { pos = range$$1.head; }\n else if (typeof start == \"object\") { pos = clipPos(this.doc, start); }\n else { pos = start ? range$$1.from() : range$$1.to(); }\n return cursorCoords(this, pos, mode || \"page\")\n },\n\n charCoords: function(pos, mode) {\n return charCoords(this, clipPos(this.doc, pos), mode || \"page\")\n },\n\n coordsChar: function(coords, mode) {\n coords = fromCoordSystem(this, coords, mode || \"page\");\n return coordsChar(this, coords.left, coords.top)\n },\n\n lineAtHeight: function(height, mode) {\n height = fromCoordSystem(this, {top: height, left: 0}, mode || \"page\").top;\n return lineAtHeight(this.doc, height + this.display.viewOffset)\n },\n heightAtLine: function(line, mode, includeWidgets) {\n var end = false, lineObj;\n if (typeof line == \"number\") {\n var last = this.doc.first + this.doc.size - 1;\n if (line < this.doc.first) { line = this.doc.first; }\n else if (line > last) { line = last; end = true; }\n lineObj = getLine(this.doc, line);\n } else {\n lineObj = line;\n }\n return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || \"page\", includeWidgets || end).top +\n (end ? this.doc.height - heightAtLine(lineObj) : 0)\n },\n\n defaultTextHeight: function() { return textHeight(this.display) },\n defaultCharWidth: function() { return charWidth(this.display) },\n\n getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}},\n\n addWidget: function(pos, node, scroll, vert, horiz) {\n var display = this.display;\n pos = cursorCoords(this, clipPos(this.doc, pos));\n var top = pos.bottom, left = pos.left;\n node.style.position = \"absolute\";\n node.setAttribute(\"cm-ignore-events\", \"true\");\n this.display.input.setUneditable(node);\n display.sizer.appendChild(node);\n if (vert == \"over\") {\n top = pos.top;\n } else if (vert == \"above\" || vert == \"near\") {\n var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),\n hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);\n // Default to positioning above (if specified and possible); otherwise default to positioning below\n if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)\n { top = pos.top - node.offsetHeight; }\n else if (pos.bottom + node.offsetHeight <= vspace)\n { top = pos.bottom; }\n if (left + node.offsetWidth > hspace)\n { left = hspace - node.offsetWidth; }\n }\n node.style.top = top + \"px\";\n node.style.left = node.style.right = \"\";\n if (horiz == \"right\") {\n left = display.sizer.clientWidth - node.offsetWidth;\n node.style.right = \"0px\";\n } else {\n if (horiz == \"left\") { left = 0; }\n else if (horiz == \"middle\") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; }\n node.style.left = left + \"px\";\n }\n if (scroll)\n { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); }\n },\n\n triggerOnKeyDown: methodOp(onKeyDown),\n triggerOnKeyPress: methodOp(onKeyPress),\n triggerOnKeyUp: onKeyUp,\n triggerOnMouseDown: methodOp(onMouseDown),\n\n execCommand: function(cmd) {\n if (commands.hasOwnProperty(cmd))\n { return commands[cmd].call(null, this) }\n },\n\n triggerElectric: methodOp(function(text) { triggerElectric(this, text); }),\n\n findPosH: function(from, amount, unit, visually) {\n var this$1 = this;\n\n var dir = 1;\n if (amount < 0) { dir = -1; amount = -amount; }\n var cur = clipPos(this.doc, from);\n for (var i = 0; i < amount; ++i) {\n cur = findPosH(this$1.doc, cur, dir, unit, visually);\n if (cur.hitSide) { break }\n }\n return cur\n },\n\n moveH: methodOp(function(dir, unit) {\n var this$1 = this;\n\n this.extendSelectionsBy(function (range$$1) {\n if (this$1.display.shift || this$1.doc.extend || range$$1.empty())\n { return findPosH(this$1.doc, range$$1.head, dir, unit, this$1.options.rtlMoveVisually) }\n else\n { return dir < 0 ? range$$1.from() : range$$1.to() }\n }, sel_move);\n }),\n\n deleteH: methodOp(function(dir, unit) {\n var sel = this.doc.sel, doc = this.doc;\n if (sel.somethingSelected())\n { doc.replaceSelection(\"\", null, \"+delete\"); }\n else\n { deleteNearSelection(this, function (range$$1) {\n var other = findPosH(doc, range$$1.head, dir, unit, false);\n return dir < 0 ? {from: other, to: range$$1.head} : {from: range$$1.head, to: other}\n }); }\n }),\n\n findPosV: function(from, amount, unit, goalColumn) {\n var this$1 = this;\n\n var dir = 1, x = goalColumn;\n if (amount < 0) { dir = -1; amount = -amount; }\n var cur = clipPos(this.doc, from);\n for (var i = 0; i < amount; ++i) {\n var coords = cursorCoords(this$1, cur, \"div\");\n if (x == null) { x = coords.left; }\n else { coords.left = x; }\n cur = findPosV(this$1, coords, dir, unit);\n if (cur.hitSide) { break }\n }\n return cur\n },\n\n moveV: methodOp(function(dir, unit) {\n var this$1 = this;\n\n var doc = this.doc, goals = [];\n var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected();\n doc.extendSelectionsBy(function (range$$1) {\n if (collapse)\n { return dir < 0 ? range$$1.from() : range$$1.to() }\n var headPos = cursorCoords(this$1, range$$1.head, \"div\");\n if (range$$1.goalColumn != null) { headPos.left = range$$1.goalColumn; }\n goals.push(headPos.left);\n var pos = findPosV(this$1, headPos, dir, unit);\n if (unit == \"page\" && range$$1 == doc.sel.primary())\n { addToScrollTop(this$1, charCoords(this$1, pos, \"div\").top - headPos.top); }\n return pos\n }, sel_move);\n if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++)\n { doc.sel.ranges[i].goalColumn = goals[i]; } }\n }),\n\n // Find the word at the given position (as returned by coordsChar).\n findWordAt: function(pos) {\n var doc = this.doc, line = getLine(doc, pos.line).text;\n var start = pos.ch, end = pos.ch;\n if (line) {\n var helper = this.getHelper(pos, \"wordChars\");\n if ((pos.sticky == \"before\" || end == line.length) && start) { --start; } else { ++end; }\n var startChar = line.charAt(start);\n var check = isWordChar(startChar, helper)\n ? function (ch) { return isWordChar(ch, helper); }\n : /\\s/.test(startChar) ? function (ch) { return /\\s/.test(ch); }\n : function (ch) { return (!/\\s/.test(ch) && !isWordChar(ch)); };\n while (start > 0 && check(line.charAt(start - 1))) { --start; }\n while (end < line.length && check(line.charAt(end))) { ++end; }\n }\n return new Range(Pos(pos.line, start), Pos(pos.line, end))\n },\n\n toggleOverwrite: function(value) {\n if (value != null && value == this.state.overwrite) { return }\n if (this.state.overwrite = !this.state.overwrite)\n { addClass(this.display.cursorDiv, \"CodeMirror-overwrite\"); }\n else\n { rmClass(this.display.cursorDiv, \"CodeMirror-overwrite\"); }\n\n signal(this, \"overwriteToggle\", this, this.state.overwrite);\n },\n hasFocus: function() { return this.display.input.getField() == activeElt() },\n isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) },\n\n scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }),\n getScrollInfo: function() {\n var scroller = this.display.scroller;\n return {left: scroller.scrollLeft, top: scroller.scrollTop,\n height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,\n width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,\n clientHeight: displayHeight(this), clientWidth: displayWidth(this)}\n },\n\n scrollIntoView: methodOp(function(range$$1, margin) {\n if (range$$1 == null) {\n range$$1 = {from: this.doc.sel.primary().head, to: null};\n if (margin == null) { margin = this.options.cursorScrollMargin; }\n } else if (typeof range$$1 == \"number\") {\n range$$1 = {from: Pos(range$$1, 0), to: null};\n } else if (range$$1.from == null) {\n range$$1 = {from: range$$1, to: null};\n }\n if (!range$$1.to) { range$$1.to = range$$1.from; }\n range$$1.margin = margin || 0;\n\n if (range$$1.from.line != null) {\n scrollToRange(this, range$$1);\n } else {\n scrollToCoordsRange(this, range$$1.from, range$$1.to, range$$1.margin);\n }\n }),\n\n setSize: methodOp(function(width, height) {\n var this$1 = this;\n\n var interpret = function (val) { return typeof val == \"number\" || /^\\d+$/.test(String(val)) ? val + \"px\" : val; };\n if (width != null) { this.display.wrapper.style.width = interpret(width); }\n if (height != null) { this.display.wrapper.style.height = interpret(height); }\n if (this.options.lineWrapping) { clearLineMeasurementCache(this); }\n var lineNo$$1 = this.display.viewFrom;\n this.doc.iter(lineNo$$1, this.display.viewTo, function (line) {\n if (line.widgets) { for (var i = 0; i < line.widgets.length; i++)\n { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo$$1, \"widget\"); break } } }\n ++lineNo$$1;\n });\n this.curOp.forceUpdate = true;\n signal(this, \"refresh\", this);\n }),\n\n operation: function(f){return runInOp(this, f)},\n startOperation: function(){return startOperation(this)},\n endOperation: function(){return endOperation(this)},\n\n refresh: methodOp(function() {\n var oldHeight = this.display.cachedTextHeight;\n regChange(this);\n this.curOp.forceUpdate = true;\n clearCaches(this);\n scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop);\n updateGutterSpace(this.display);\n if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5)\n { estimateLineHeights(this); }\n signal(this, \"refresh\", this);\n }),\n\n swapDoc: methodOp(function(doc) {\n var old = this.doc;\n old.cm = null;\n // Cancel the current text selection if any (#5821)\n if (this.state.selectingText) { this.state.selectingText(); }\n attachDoc(this, doc);\n clearCaches(this);\n this.display.input.reset();\n scrollToCoords(this, doc.scrollLeft, doc.scrollTop);\n this.curOp.forceScroll = true;\n signalLater(this, \"swapDoc\", this, old);\n return old\n }),\n\n phrase: function(phraseText) {\n var phrases = this.options.phrases;\n return phrases && Object.prototype.hasOwnProperty.call(phrases, phraseText) ? phrases[phraseText] : phraseText\n },\n\n getInputField: function(){return this.display.input.getField()},\n getWrapperElement: function(){return this.display.wrapper},\n getScrollerElement: function(){return this.display.scroller},\n getGutterElement: function(){return this.display.gutters}\n };\n eventMixin(CodeMirror);\n\n CodeMirror.registerHelper = function(type, name, value) {\n if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; }\n helpers[type][name] = value;\n };\n CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {\n CodeMirror.registerHelper(type, name, value);\n helpers[type]._global.push({pred: predicate, val: value});\n };\n }\n\n // Used for horizontal relative motion. Dir is -1 or 1 (left or\n // right), unit can be \"char\", \"column\" (like char, but doesn't\n // cross line boundaries), \"word\" (across next word), or \"group\" (to\n // the start of next group of word or non-word-non-whitespace\n // chars). The visually param controls whether, in right-to-left\n // text, direction 1 means to move towards the next index in the\n // string, or towards the character to the right of the current\n // position. The resulting position will have a hitSide=true\n // property if it reached the end of the document.\n function findPosH(doc, pos, dir, unit, visually) {\n var oldPos = pos;\n var origDir = dir;\n var lineObj = getLine(doc, pos.line);\n function findNextLine() {\n var l = pos.line + dir;\n if (l < doc.first || l >= doc.first + doc.size) { return false }\n pos = new Pos(l, pos.ch, pos.sticky);\n return lineObj = getLine(doc, l)\n }\n function moveOnce(boundToLine) {\n var next;\n if (visually) {\n next = moveVisually(doc.cm, lineObj, pos, dir);\n } else {\n next = moveLogically(lineObj, pos, dir);\n }\n if (next == null) {\n if (!boundToLine && findNextLine())\n { pos = endOfLine(visually, doc.cm, lineObj, pos.line, dir); }\n else\n { return false }\n } else {\n pos = next;\n }\n return true\n }\n\n if (unit == \"char\") {\n moveOnce();\n } else if (unit == \"column\") {\n moveOnce(true);\n } else if (unit == \"word\" || unit == \"group\") {\n var sawType = null, group = unit == \"group\";\n var helper = doc.cm && doc.cm.getHelper(pos, \"wordChars\");\n for (var first = true;; first = false) {\n if (dir < 0 && !moveOnce(!first)) { break }\n var cur = lineObj.text.charAt(pos.ch) || \"\\n\";\n var type = isWordChar(cur, helper) ? \"w\"\n : group && cur == \"\\n\" ? \"n\"\n : !group || /\\s/.test(cur) ? null\n : \"p\";\n if (group && !first && !type) { type = \"s\"; }\n if (sawType && sawType != type) {\n if (dir < 0) {dir = 1; moveOnce(); pos.sticky = \"after\";}\n break\n }\n\n if (type) { sawType = type; }\n if (dir > 0 && !moveOnce(!first)) { break }\n }\n }\n var result = skipAtomic(doc, pos, oldPos, origDir, true);\n if (equalCursorPos(oldPos, result)) { result.hitSide = true; }\n return result\n }\n\n // For relative vertical movement. Dir may be -1 or 1. Unit can be\n // \"page\" or \"line\". The resulting position will have a hitSide=true\n // property if it reached the end of the document.\n function findPosV(cm, pos, dir, unit) {\n var doc = cm.doc, x = pos.left, y;\n if (unit == \"page\") {\n var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);\n var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3);\n y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount;\n\n } else if (unit == \"line\") {\n y = dir > 0 ? pos.bottom + 3 : pos.top - 3;\n }\n var target;\n for (;;) {\n target = coordsChar(cm, x, y);\n if (!target.outside) { break }\n if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break }\n y += dir * 5;\n }\n return target\n }\n\n // CONTENTEDITABLE INPUT STYLE\n\n var ContentEditableInput = function(cm) {\n this.cm = cm;\n this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null;\n this.polling = new Delayed();\n this.composing = null;\n this.gracePeriod = false;\n this.readDOMTimeout = null;\n };\n\n ContentEditableInput.prototype.init = function (display) {\n var this$1 = this;\n\n var input = this, cm = input.cm;\n var div = input.div = display.lineDiv;\n disableBrowserMagic(div, cm.options.spellcheck, cm.options.autocorrect, cm.options.autocapitalize);\n\n on(div, \"paste\", function (e) {\n if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }\n // IE doesn't fire input events, so we schedule a read for the pasted content in this way\n if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20); }\n });\n\n on(div, \"compositionstart\", function (e) {\n this$1.composing = {data: e.data, done: false};\n });\n on(div, \"compositionupdate\", function (e) {\n if (!this$1.composing) { this$1.composing = {data: e.data, done: false}; }\n });\n on(div, \"compositionend\", function (e) {\n if (this$1.composing) {\n if (e.data != this$1.composing.data) { this$1.readFromDOMSoon(); }\n this$1.composing.done = true;\n }\n });\n\n on(div, \"touchstart\", function () { return input.forceCompositionEnd(); });\n\n on(div, \"input\", function () {\n if (!this$1.composing) { this$1.readFromDOMSoon(); }\n });\n\n function onCopyCut(e) {\n if (signalDOMEvent(cm, e)) { return }\n if (cm.somethingSelected()) {\n setLastCopied({lineWise: false, text: cm.getSelections()});\n if (e.type == \"cut\") { cm.replaceSelection(\"\", null, \"cut\"); }\n } else if (!cm.options.lineWiseCopyCut) {\n return\n } else {\n var ranges = copyableRanges(cm);\n setLastCopied({lineWise: true, text: ranges.text});\n if (e.type == \"cut\") {\n cm.operation(function () {\n cm.setSelections(ranges.ranges, 0, sel_dontScroll);\n cm.replaceSelection(\"\", null, \"cut\");\n });\n }\n }\n if (e.clipboardData) {\n e.clipboardData.clearData();\n var content = lastCopied.text.join(\"\\n\");\n // iOS exposes the clipboard API, but seems to discard content inserted into it\n e.clipboardData.setData(\"Text\", content);\n if (e.clipboardData.getData(\"Text\") == content) {\n e.preventDefault();\n return\n }\n }\n // Old-fashioned briefly-focus-a-textarea hack\n var kludge = hiddenTextarea(), te = kludge.firstChild;\n cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild);\n te.value = lastCopied.text.join(\"\\n\");\n var hadFocus = document.activeElement;\n selectInput(te);\n setTimeout(function () {\n cm.display.lineSpace.removeChild(kludge);\n hadFocus.focus();\n if (hadFocus == div) { input.showPrimarySelection(); }\n }, 50);\n }\n on(div, \"copy\", onCopyCut);\n on(div, \"cut\", onCopyCut);\n };\n\n ContentEditableInput.prototype.prepareSelection = function () {\n var result = prepareSelection(this.cm, false);\n result.focus = this.cm.state.focused;\n return result\n };\n\n ContentEditableInput.prototype.showSelection = function (info, takeFocus) {\n if (!info || !this.cm.display.view.length) { return }\n if (info.focus || takeFocus) { this.showPrimarySelection(); }\n this.showMultipleSelections(info);\n };\n\n ContentEditableInput.prototype.getSelection = function () {\n return this.cm.display.wrapper.ownerDocument.getSelection()\n };\n\n ContentEditableInput.prototype.showPrimarySelection = function () {\n var sel = this.getSelection(), cm = this.cm, prim = cm.doc.sel.primary();\n var from = prim.from(), to = prim.to();\n\n if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) {\n sel.removeAllRanges();\n return\n }\n\n var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);\n var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset);\n if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&\n cmp(minPos(curAnchor, curFocus), from) == 0 &&\n cmp(maxPos(curAnchor, curFocus), to) == 0)\n { return }\n\n var view = cm.display.view;\n var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) ||\n {node: view[0].measure.map[2], offset: 0};\n var end = to.line < cm.display.viewTo && posToDOM(cm, to);\n if (!end) {\n var measure = view[view.length - 1].measure;\n var map$$1 = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map;\n end = {node: map$$1[map$$1.length - 1], offset: map$$1[map$$1.length - 2] - map$$1[map$$1.length - 3]};\n }\n\n if (!start || !end) {\n sel.removeAllRanges();\n return\n }\n\n var old = sel.rangeCount && sel.getRangeAt(0), rng;\n try { rng = range(start.node, start.offset, end.offset, end.node); }\n catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible\n if (rng) {\n if (!gecko && cm.state.focused) {\n sel.collapse(start.node, start.offset);\n if (!rng.collapsed) {\n sel.removeAllRanges();\n sel.addRange(rng);\n }\n } else {\n sel.removeAllRanges();\n sel.addRange(rng);\n }\n if (old && sel.anchorNode == null) { sel.addRange(old); }\n else if (gecko) { this.startGracePeriod(); }\n }\n this.rememberSelection();\n };\n\n ContentEditableInput.prototype.startGracePeriod = function () {\n var this$1 = this;\n\n clearTimeout(this.gracePeriod);\n this.gracePeriod = setTimeout(function () {\n this$1.gracePeriod = false;\n if (this$1.selectionChanged())\n { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }); }\n }, 20);\n };\n\n ContentEditableInput.prototype.showMultipleSelections = function (info) {\n removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors);\n removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection);\n };\n\n ContentEditableInput.prototype.rememberSelection = function () {\n var sel = this.getSelection();\n this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset;\n this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset;\n };\n\n ContentEditableInput.prototype.selectionInEditor = function () {\n var sel = this.getSelection();\n if (!sel.rangeCount) { return false }\n var node = sel.getRangeAt(0).commonAncestorContainer;\n return contains(this.div, node)\n };\n\n ContentEditableInput.prototype.focus = function () {\n if (this.cm.options.readOnly != \"nocursor\") {\n if (!this.selectionInEditor())\n { this.showSelection(this.prepareSelection(), true); }\n this.div.focus();\n }\n };\n ContentEditableInput.prototype.blur = function () { this.div.blur(); };\n ContentEditableInput.prototype.getField = function () { return this.div };\n\n ContentEditableInput.prototype.supportsTouch = function () { return true };\n\n ContentEditableInput.prototype.receivedFocus = function () {\n var input = this;\n if (this.selectionInEditor())\n { this.pollSelection(); }\n else\n { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); }\n\n function poll() {\n if (input.cm.state.focused) {\n input.pollSelection();\n input.polling.set(input.cm.options.pollInterval, poll);\n }\n }\n this.polling.set(this.cm.options.pollInterval, poll);\n };\n\n ContentEditableInput.prototype.selectionChanged = function () {\n var sel = this.getSelection();\n return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset ||\n sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset\n };\n\n ContentEditableInput.prototype.pollSelection = function () {\n if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return }\n var sel = this.getSelection(), cm = this.cm;\n // On Android Chrome (version 56, at least), backspacing into an\n // uneditable block element will put the cursor in that element,\n // and then, because it's not editable, hide the virtual keyboard.\n // Because Android doesn't allow us to actually detect backspace\n // presses in a sane way, this code checks for when that happens\n // and simulates a backspace press in this case.\n if (android && chrome && this.cm.display.gutterSpecs.length && isInGutter(sel.anchorNode)) {\n this.cm.triggerOnKeyDown({type: \"keydown\", keyCode: 8, preventDefault: Math.abs});\n this.blur();\n this.focus();\n return\n }\n if (this.composing) { return }\n this.rememberSelection();\n var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);\n var head = domToPos(cm, sel.focusNode, sel.focusOffset);\n if (anchor && head) { runInOp(cm, function () {\n setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll);\n if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; }\n }); }\n };\n\n ContentEditableInput.prototype.pollContent = function () {\n if (this.readDOMTimeout != null) {\n clearTimeout(this.readDOMTimeout);\n this.readDOMTimeout = null;\n }\n\n var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary();\n var from = sel.from(), to = sel.to();\n if (from.ch == 0 && from.line > cm.firstLine())\n { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); }\n if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine())\n { to = Pos(to.line + 1, 0); }\n if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false }\n\n var fromIndex, fromLine, fromNode;\n if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) {\n fromLine = lineNo(display.view[0].line);\n fromNode = display.view[0].node;\n } else {\n fromLine = lineNo(display.view[fromIndex].line);\n fromNode = display.view[fromIndex - 1].node.nextSibling;\n }\n var toIndex = findViewIndex(cm, to.line);\n var toLine, toNode;\n if (toIndex == display.view.length - 1) {\n toLine = display.viewTo - 1;\n toNode = display.lineDiv.lastChild;\n } else {\n toLine = lineNo(display.view[toIndex + 1].line) - 1;\n toNode = display.view[toIndex + 1].node.previousSibling;\n }\n\n if (!fromNode) { return false }\n var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine));\n var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length));\n while (newText.length > 1 && oldText.length > 1) {\n if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; }\n else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; }\n else { break }\n }\n\n var cutFront = 0, cutEnd = 0;\n var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length);\n while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))\n { ++cutFront; }\n var newBot = lst(newText), oldBot = lst(oldText);\n var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0),\n oldBot.length - (oldText.length == 1 ? cutFront : 0));\n while (cutEnd < maxCutEnd &&\n newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))\n { ++cutEnd; }\n // Try to move start of change to start of selection if ambiguous\n if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) {\n while (cutFront && cutFront > from.ch &&\n newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) {\n cutFront--;\n cutEnd++;\n }\n }\n\n newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\\u200b+/, \"\");\n newText[0] = newText[0].slice(cutFront).replace(/\\u200b+$/, \"\");\n\n var chFrom = Pos(fromLine, cutFront);\n var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0);\n if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) {\n replaceRange(cm.doc, newText, chFrom, chTo, \"+input\");\n return true\n }\n };\n\n ContentEditableInput.prototype.ensurePolled = function () {\n this.forceCompositionEnd();\n };\n ContentEditableInput.prototype.reset = function () {\n this.forceCompositionEnd();\n };\n ContentEditableInput.prototype.forceCompositionEnd = function () {\n if (!this.composing) { return }\n clearTimeout(this.readDOMTimeout);\n this.composing = null;\n this.updateFromDOM();\n this.div.blur();\n this.div.focus();\n };\n ContentEditableInput.prototype.readFromDOMSoon = function () {\n var this$1 = this;\n\n if (this.readDOMTimeout != null) { return }\n this.readDOMTimeout = setTimeout(function () {\n this$1.readDOMTimeout = null;\n if (this$1.composing) {\n if (this$1.composing.done) { this$1.composing = null; }\n else { return }\n }\n this$1.updateFromDOM();\n }, 80);\n };\n\n ContentEditableInput.prototype.updateFromDOM = function () {\n var this$1 = this;\n\n if (this.cm.isReadOnly() || !this.pollContent())\n { runInOp(this.cm, function () { return regChange(this$1.cm); }); }\n };\n\n ContentEditableInput.prototype.setUneditable = function (node) {\n node.contentEditable = \"false\";\n };\n\n ContentEditableInput.prototype.onKeyPress = function (e) {\n if (e.charCode == 0 || this.composing) { return }\n e.preventDefault();\n if (!this.cm.isReadOnly())\n { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); }\n };\n\n ContentEditableInput.prototype.readOnlyChanged = function (val) {\n this.div.contentEditable = String(val != \"nocursor\");\n };\n\n ContentEditableInput.prototype.onContextMenu = function () {};\n ContentEditableInput.prototype.resetPosition = function () {};\n\n ContentEditableInput.prototype.needsContentAttribute = true;\n\n function posToDOM(cm, pos) {\n var view = findViewForLine(cm, pos.line);\n if (!view || view.hidden) { return null }\n var line = getLine(cm.doc, pos.line);\n var info = mapFromLineView(view, line, pos.line);\n\n var order = getOrder(line, cm.doc.direction), side = \"left\";\n if (order) {\n var partPos = getBidiPartAt(order, pos.ch);\n side = partPos % 2 ? \"right\" : \"left\";\n }\n var result = nodeAndOffsetInLineMap(info.map, pos.ch, side);\n result.offset = result.collapse == \"right\" ? result.end : result.start;\n return result\n }\n\n function isInGutter(node) {\n for (var scan = node; scan; scan = scan.parentNode)\n { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } }\n return false\n }\n\n function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos }\n\n function domTextBetween(cm, from, to, fromLine, toLine) {\n var text = \"\", closing = false, lineSep = cm.doc.lineSeparator(), extraLinebreak = false;\n function recognizeMarker(id) { return function (marker) { return marker.id == id; } }\n function close() {\n if (closing) {\n text += lineSep;\n if (extraLinebreak) { text += lineSep; }\n closing = extraLinebreak = false;\n }\n }\n function addText(str) {\n if (str) {\n close();\n text += str;\n }\n }\n function walk(node) {\n if (node.nodeType == 1) {\n var cmText = node.getAttribute(\"cm-text\");\n if (cmText) {\n addText(cmText);\n return\n }\n var markerID = node.getAttribute(\"cm-marker\"), range$$1;\n if (markerID) {\n var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID));\n if (found.length && (range$$1 = found[0].find(0)))\n { addText(getBetween(cm.doc, range$$1.from, range$$1.to).join(lineSep)); }\n return\n }\n if (node.getAttribute(\"contenteditable\") == \"false\") { return }\n var isBlock = /^(pre|div|p|li|table|br)$/i.test(node.nodeName);\n if (!/^br$/i.test(node.nodeName) && node.textContent.length == 0) { return }\n\n if (isBlock) { close(); }\n for (var i = 0; i < node.childNodes.length; i++)\n { walk(node.childNodes[i]); }\n\n if (/^(pre|p)$/i.test(node.nodeName)) { extraLinebreak = true; }\n if (isBlock) { closing = true; }\n } else if (node.nodeType == 3) {\n addText(node.nodeValue.replace(/\\u200b/g, \"\").replace(/\\u00a0/g, \" \"));\n }\n }\n for (;;) {\n walk(from);\n if (from == to) { break }\n from = from.nextSibling;\n extraLinebreak = false;\n }\n return text\n }\n\n function domToPos(cm, node, offset) {\n var lineNode;\n if (node == cm.display.lineDiv) {\n lineNode = cm.display.lineDiv.childNodes[offset];\n if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) }\n node = null; offset = 0;\n } else {\n for (lineNode = node;; lineNode = lineNode.parentNode) {\n if (!lineNode || lineNode == cm.display.lineDiv) { return null }\n if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break }\n }\n }\n for (var i = 0; i < cm.display.view.length; i++) {\n var lineView = cm.display.view[i];\n if (lineView.node == lineNode)\n { return locateNodeInLineView(lineView, node, offset) }\n }\n }\n\n function locateNodeInLineView(lineView, node, offset) {\n var wrapper = lineView.text.firstChild, bad = false;\n if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) }\n if (node == wrapper) {\n bad = true;\n node = wrapper.childNodes[offset];\n offset = 0;\n if (!node) {\n var line = lineView.rest ? lst(lineView.rest) : lineView.line;\n return badPos(Pos(lineNo(line), line.text.length), bad)\n }\n }\n\n var textNode = node.nodeType == 3 ? node : null, topNode = node;\n if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {\n textNode = node.firstChild;\n if (offset) { offset = textNode.nodeValue.length; }\n }\n while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; }\n var measure = lineView.measure, maps = measure.maps;\n\n function find(textNode, topNode, offset) {\n for (var i = -1; i < (maps ? maps.length : 0); i++) {\n var map$$1 = i < 0 ? measure.map : maps[i];\n for (var j = 0; j < map$$1.length; j += 3) {\n var curNode = map$$1[j + 2];\n if (curNode == textNode || curNode == topNode) {\n var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]);\n var ch = map$$1[j] + offset;\n if (offset < 0 || curNode != textNode) { ch = map$$1[j + (offset ? 1 : 0)]; }\n return Pos(line, ch)\n }\n }\n }\n }\n var found = find(textNode, topNode, offset);\n if (found) { return badPos(found, bad) }\n\n // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems\n for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {\n found = find(after, after.firstChild, 0);\n if (found)\n { return badPos(Pos(found.line, found.ch - dist), bad) }\n else\n { dist += after.textContent.length; }\n }\n for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) {\n found = find(before, before.firstChild, -1);\n if (found)\n { return badPos(Pos(found.line, found.ch + dist$1), bad) }\n else\n { dist$1 += before.textContent.length; }\n }\n }\n\n // TEXTAREA INPUT STYLE\n\n var TextareaInput = function(cm) {\n this.cm = cm;\n // See input.poll and input.reset\n this.prevInput = \"\";\n\n // Flag that indicates whether we expect input to appear real soon\n // now (after some event like 'keypress' or 'input') and are\n // polling intensively.\n this.pollingFast = false;\n // Self-resetting timeout for the poller\n this.polling = new Delayed();\n // Used to work around IE issue with selection being forgotten when focus moves away from textarea\n this.hasSelection = false;\n this.composing = null;\n };\n\n TextareaInput.prototype.init = function (display) {\n var this$1 = this;\n\n var input = this, cm = this.cm;\n this.createField(display);\n var te = this.textarea;\n\n display.wrapper.insertBefore(this.wrapper, display.wrapper.firstChild);\n\n // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore)\n if (ios) { te.style.width = \"0px\"; }\n\n on(te, \"input\", function () {\n if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null; }\n input.poll();\n });\n\n on(te, \"paste\", function (e) {\n if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }\n\n cm.state.pasteIncoming = +new Date;\n input.fastPoll();\n });\n\n function prepareCopyCut(e) {\n if (signalDOMEvent(cm, e)) { return }\n if (cm.somethingSelected()) {\n setLastCopied({lineWise: false, text: cm.getSelections()});\n } else if (!cm.options.lineWiseCopyCut) {\n return\n } else {\n var ranges = copyableRanges(cm);\n setLastCopied({lineWise: true, text: ranges.text});\n if (e.type == \"cut\") {\n cm.setSelections(ranges.ranges, null, sel_dontScroll);\n } else {\n input.prevInput = \"\";\n te.value = ranges.text.join(\"\\n\");\n selectInput(te);\n }\n }\n if (e.type == \"cut\") { cm.state.cutIncoming = +new Date; }\n }\n on(te, \"cut\", prepareCopyCut);\n on(te, \"copy\", prepareCopyCut);\n\n on(display.scroller, \"paste\", function (e) {\n if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return }\n if (!te.dispatchEvent) {\n cm.state.pasteIncoming = +new Date;\n input.focus();\n return\n }\n\n // Pass the `paste` event to the textarea so it's handled by its event listener.\n var event = new Event(\"paste\");\n event.clipboardData = e.clipboardData;\n te.dispatchEvent(event);\n });\n\n // Prevent normal selection in the editor (we handle our own)\n on(display.lineSpace, \"selectstart\", function (e) {\n if (!eventInWidget(display, e)) { e_preventDefault(e); }\n });\n\n on(te, \"compositionstart\", function () {\n var start = cm.getCursor(\"from\");\n if (input.composing) { input.composing.range.clear(); }\n input.composing = {\n start: start,\n range: cm.markText(start, cm.getCursor(\"to\"), {className: \"CodeMirror-composing\"})\n };\n });\n on(te, \"compositionend\", function () {\n if (input.composing) {\n input.poll();\n input.composing.range.clear();\n input.composing = null;\n }\n });\n };\n\n TextareaInput.prototype.createField = function (_display) {\n // Wraps and hides input textarea\n this.wrapper = hiddenTextarea();\n // The semihidden textarea that is focused when the editor is\n // focused, and receives input.\n this.textarea = this.wrapper.firstChild;\n };\n\n TextareaInput.prototype.prepareSelection = function () {\n // Redraw the selection and/or cursor\n var cm = this.cm, display = cm.display, doc = cm.doc;\n var result = prepareSelection(cm);\n\n // Move the hidden textarea near the cursor to prevent scrolling artifacts\n if (cm.options.moveInputWithCursor) {\n var headPos = cursorCoords(cm, doc.sel.primary().head, \"div\");\n var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();\n result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,\n headPos.top + lineOff.top - wrapOff.top));\n result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,\n headPos.left + lineOff.left - wrapOff.left));\n }\n\n return result\n };\n\n TextareaInput.prototype.showSelection = function (drawn) {\n var cm = this.cm, display = cm.display;\n removeChildrenAndAdd(display.cursorDiv, drawn.cursors);\n removeChildrenAndAdd(display.selectionDiv, drawn.selection);\n if (drawn.teTop != null) {\n this.wrapper.style.top = drawn.teTop + \"px\";\n this.wrapper.style.left = drawn.teLeft + \"px\";\n }\n };\n\n // Reset the input to correspond to the selection (or to be empty,\n // when not typing and nothing is selected)\n TextareaInput.prototype.reset = function (typing) {\n if (this.contextMenuPending || this.composing) { return }\n var cm = this.cm;\n if (cm.somethingSelected()) {\n this.prevInput = \"\";\n var content = cm.getSelection();\n this.textarea.value = content;\n if (cm.state.focused) { selectInput(this.textarea); }\n if (ie && ie_version >= 9) { this.hasSelection = content; }\n } else if (!typing) {\n this.prevInput = this.textarea.value = \"\";\n if (ie && ie_version >= 9) { this.hasSelection = null; }\n }\n };\n\n TextareaInput.prototype.getField = function () { return this.textarea };\n\n TextareaInput.prototype.supportsTouch = function () { return false };\n\n TextareaInput.prototype.focus = function () {\n if (this.cm.options.readOnly != \"nocursor\" && (!mobile || activeElt() != this.textarea)) {\n try { this.textarea.focus(); }\n catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM\n }\n };\n\n TextareaInput.prototype.blur = function () { this.textarea.blur(); };\n\n TextareaInput.prototype.resetPosition = function () {\n this.wrapper.style.top = this.wrapper.style.left = 0;\n };\n\n TextareaInput.prototype.receivedFocus = function () { this.slowPoll(); };\n\n // Poll for input changes, using the normal rate of polling. This\n // runs as long as the editor is focused.\n TextareaInput.prototype.slowPoll = function () {\n var this$1 = this;\n\n if (this.pollingFast) { return }\n this.polling.set(this.cm.options.pollInterval, function () {\n this$1.poll();\n if (this$1.cm.state.focused) { this$1.slowPoll(); }\n });\n };\n\n // When an event has just come in that is likely to add or change\n // something in the input textarea, we poll faster, to ensure that\n // the change appears on the screen quickly.\n TextareaInput.prototype.fastPoll = function () {\n var missed = false, input = this;\n input.pollingFast = true;\n function p() {\n var changed = input.poll();\n if (!changed && !missed) {missed = true; input.polling.set(60, p);}\n else {input.pollingFast = false; input.slowPoll();}\n }\n input.polling.set(20, p);\n };\n\n // Read input from the textarea, and update the document to match.\n // When something is selected, it is present in the textarea, and\n // selected (unless it is huge, in which case a placeholder is\n // used). When nothing is selected, the cursor sits after previously\n // seen text (can be empty), which is stored in prevInput (we must\n // not reset the textarea when typing, because that breaks IME).\n TextareaInput.prototype.poll = function () {\n var this$1 = this;\n\n var cm = this.cm, input = this.textarea, prevInput = this.prevInput;\n // Since this is called a *lot*, try to bail out as cheaply as\n // possible when it is clear that nothing happened. hasSelection\n // will be the case when there is a lot of text in the textarea,\n // in which case reading its value would be expensive.\n if (this.contextMenuPending || !cm.state.focused ||\n (hasSelection(input) && !prevInput && !this.composing) ||\n cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq)\n { return false }\n\n var text = input.value;\n // If nothing changed, bail.\n if (text == prevInput && !cm.somethingSelected()) { return false }\n // Work around nonsensical selection resetting in IE9/10, and\n // inexplicable appearance of private area unicode characters on\n // some key combos in Mac (#2689).\n if (ie && ie_version >= 9 && this.hasSelection === text ||\n mac && /[\\uf700-\\uf7ff]/.test(text)) {\n cm.display.input.reset();\n return false\n }\n\n if (cm.doc.sel == cm.display.selForContextMenu) {\n var first = text.charCodeAt(0);\n if (first == 0x200b && !prevInput) { prevInput = \"\\u200b\"; }\n if (first == 0x21da) { this.reset(); return this.cm.execCommand(\"undo\") }\n }\n // Find the part of the input that is actually new\n var same = 0, l = Math.min(prevInput.length, text.length);\n while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; }\n\n runInOp(cm, function () {\n applyTextInput(cm, text.slice(same), prevInput.length - same,\n null, this$1.composing ? \"*compose\" : null);\n\n // Don't leave long text in the textarea, since it makes further polling slow\n if (text.length > 1000 || text.indexOf(\"\\n\") > -1) { input.value = this$1.prevInput = \"\"; }\n else { this$1.prevInput = text; }\n\n if (this$1.composing) {\n this$1.composing.range.clear();\n this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor(\"to\"),\n {className: \"CodeMirror-composing\"});\n }\n });\n return true\n };\n\n TextareaInput.prototype.ensurePolled = function () {\n if (this.pollingFast && this.poll()) { this.pollingFast = false; }\n };\n\n TextareaInput.prototype.onKeyPress = function () {\n if (ie && ie_version >= 9) { this.hasSelection = null; }\n this.fastPoll();\n };\n\n TextareaInput.prototype.onContextMenu = function (e) {\n var input = this, cm = input.cm, display = cm.display, te = input.textarea;\n if (input.contextMenuPending) { input.contextMenuPending(); }\n var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;\n if (!pos || presto) { return } // Opera is difficult.\n\n // Reset the current text selection only if the click is done outside of the selection\n // and 'resetSelectionOnContextMenu' option is true.\n var reset = cm.options.resetSelectionOnContextMenu;\n if (reset && cm.doc.sel.contains(pos) == -1)\n { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); }\n\n var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText;\n var wrapperBox = input.wrapper.offsetParent.getBoundingClientRect();\n input.wrapper.style.cssText = \"position: static\";\n te.style.cssText = \"position: absolute; width: 30px; height: 30px;\\n top: \" + (e.clientY - wrapperBox.top - 5) + \"px; left: \" + (e.clientX - wrapperBox.left - 5) + \"px;\\n z-index: 1000; background: \" + (ie ? \"rgba(255, 255, 255, .05)\" : \"transparent\") + \";\\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);\";\n var oldScrollY;\n if (webkit) { oldScrollY = window.scrollY; } // Work around Chrome issue (#2712)\n display.input.focus();\n if (webkit) { window.scrollTo(null, oldScrollY); }\n display.input.reset();\n // Adds \"Select all\" to context menu in FF\n if (!cm.somethingSelected()) { te.value = input.prevInput = \" \"; }\n input.contextMenuPending = rehide;\n display.selForContextMenu = cm.doc.sel;\n clearTimeout(display.detectingSelectAll);\n\n // Select-all will be greyed out if there's nothing to select, so\n // this adds a zero-width space so that we can later check whether\n // it got selected.\n function prepareSelectAllHack() {\n if (te.selectionStart != null) {\n var selected = cm.somethingSelected();\n var extval = \"\\u200b\" + (selected ? te.value : \"\");\n te.value = \"\\u21da\"; // Used to catch context-menu undo\n te.value = extval;\n input.prevInput = selected ? \"\" : \"\\u200b\";\n te.selectionStart = 1; te.selectionEnd = extval.length;\n // Re-set this, in case some other handler touched the\n // selection in the meantime.\n display.selForContextMenu = cm.doc.sel;\n }\n }\n function rehide() {\n if (input.contextMenuPending != rehide) { return }\n input.contextMenuPending = false;\n input.wrapper.style.cssText = oldWrapperCSS;\n te.style.cssText = oldCSS;\n if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); }\n\n // Try to detect the user choosing select-all\n if (te.selectionStart != null) {\n if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); }\n var i = 0, poll = function () {\n if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 &&\n te.selectionEnd > 0 && input.prevInput == \"\\u200b\") {\n operation(cm, selectAll)(cm);\n } else if (i++ < 10) {\n display.detectingSelectAll = setTimeout(poll, 500);\n } else {\n display.selForContextMenu = null;\n display.input.reset();\n }\n };\n display.detectingSelectAll = setTimeout(poll, 200);\n }\n }\n\n if (ie && ie_version >= 9) { prepareSelectAllHack(); }\n if (captureRightClick) {\n e_stop(e);\n var mouseup = function () {\n off(window, \"mouseup\", mouseup);\n setTimeout(rehide, 20);\n };\n on(window, \"mouseup\", mouseup);\n } else {\n setTimeout(rehide, 50);\n }\n };\n\n TextareaInput.prototype.readOnlyChanged = function (val) {\n if (!val) { this.reset(); }\n this.textarea.disabled = val == \"nocursor\";\n };\n\n TextareaInput.prototype.setUneditable = function () {};\n\n TextareaInput.prototype.needsContentAttribute = false;\n\n function fromTextArea(textarea, options) {\n options = options ? copyObj(options) : {};\n options.value = textarea.value;\n if (!options.tabindex && textarea.tabIndex)\n { options.tabindex = textarea.tabIndex; }\n if (!options.placeholder && textarea.placeholder)\n { options.placeholder = textarea.placeholder; }\n // Set autofocus to true if this textarea is focused, or if it has\n // autofocus and no other element is focused.\n if (options.autofocus == null) {\n var hasFocus = activeElt();\n options.autofocus = hasFocus == textarea ||\n textarea.getAttribute(\"autofocus\") != null && hasFocus == document.body;\n }\n\n function save() {textarea.value = cm.getValue();}\n\n var realSubmit;\n if (textarea.form) {\n on(textarea.form, \"submit\", save);\n // Deplorable hack to make the submit method do the right thing.\n if (!options.leaveSubmitMethodAlone) {\n var form = textarea.form;\n realSubmit = form.submit;\n try {\n var wrappedSubmit = form.submit = function () {\n save();\n form.submit = realSubmit;\n form.submit();\n form.submit = wrappedSubmit;\n };\n } catch(e) {}\n }\n }\n\n options.finishInit = function (cm) {\n cm.save = save;\n cm.getTextArea = function () { return textarea; };\n cm.toTextArea = function () {\n cm.toTextArea = isNaN; // Prevent this from being ran twice\n save();\n textarea.parentNode.removeChild(cm.getWrapperElement());\n textarea.style.display = \"\";\n if (textarea.form) {\n off(textarea.form, \"submit\", save);\n if (typeof textarea.form.submit == \"function\")\n { textarea.form.submit = realSubmit; }\n }\n };\n };\n\n textarea.style.display = \"none\";\n var cm = CodeMirror(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); },\n options);\n return cm\n }\n\n function addLegacyProps(CodeMirror) {\n CodeMirror.off = off;\n CodeMirror.on = on;\n CodeMirror.wheelEventPixels = wheelEventPixels;\n CodeMirror.Doc = Doc;\n CodeMirror.splitLines = splitLinesAuto;\n CodeMirror.countColumn = countColumn;\n CodeMirror.findColumn = findColumn;\n CodeMirror.isWordChar = isWordCharBasic;\n CodeMirror.Pass = Pass;\n CodeMirror.signal = signal;\n CodeMirror.Line = Line;\n CodeMirror.changeEnd = changeEnd;\n CodeMirror.scrollbarModel = scrollbarModel;\n CodeMirror.Pos = Pos;\n CodeMirror.cmpPos = cmp;\n CodeMirror.modes = modes;\n CodeMirror.mimeModes = mimeModes;\n CodeMirror.resolveMode = resolveMode;\n CodeMirror.getMode = getMode;\n CodeMirror.modeExtensions = modeExtensions;\n CodeMirror.extendMode = extendMode;\n CodeMirror.copyState = copyState;\n CodeMirror.startState = startState;\n CodeMirror.innerMode = innerMode;\n CodeMirror.commands = commands;\n CodeMirror.keyMap = keyMap;\n CodeMirror.keyName = keyName;\n CodeMirror.isModifierKey = isModifierKey;\n CodeMirror.lookupKey = lookupKey;\n CodeMirror.normalizeKeyMap = normalizeKeyMap;\n CodeMirror.StringStream = StringStream;\n CodeMirror.SharedTextMarker = SharedTextMarker;\n CodeMirror.TextMarker = TextMarker;\n CodeMirror.LineWidget = LineWidget;\n CodeMirror.e_preventDefault = e_preventDefault;\n CodeMirror.e_stopPropagation = e_stopPropagation;\n CodeMirror.e_stop = e_stop;\n CodeMirror.addClass = addClass;\n CodeMirror.contains = contains;\n CodeMirror.rmClass = rmClass;\n CodeMirror.keyNames = keyNames;\n }\n\n // EDITOR CONSTRUCTOR\n\n defineOptions(CodeMirror);\n\n addEditorMethods(CodeMirror);\n\n // Set up methods on CodeMirror's prototype to redirect to the editor's document.\n var dontDelegate = \"iter insert remove copy getEditor constructor\".split(\" \");\n for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)\n { CodeMirror.prototype[prop] = (function(method) {\n return function() {return method.apply(this.doc, arguments)}\n })(Doc.prototype[prop]); } }\n\n eventMixin(Doc);\n CodeMirror.inputStyles = {\"textarea\": TextareaInput, \"contenteditable\": ContentEditableInput};\n\n // Extra arguments are stored as the mode's dependencies, which is\n // used by (legacy) mechanisms like loadmode.js to automatically\n // load a mode. (Preferred mechanism is the require/define calls.)\n CodeMirror.defineMode = function(name/*, mode, …*/) {\n if (!CodeMirror.defaults.mode && name != \"null\") { CodeMirror.defaults.mode = name; }\n defineMode.apply(this, arguments);\n };\n\n CodeMirror.defineMIME = defineMIME;\n\n // Minimal default mode.\n CodeMirror.defineMode(\"null\", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); });\n CodeMirror.defineMIME(\"text/plain\", \"null\");\n\n // EXTENSIONS\n\n CodeMirror.defineExtension = function (name, func) {\n CodeMirror.prototype[name] = func;\n };\n CodeMirror.defineDocExtension = function (name, func) {\n Doc.prototype[name] = func;\n };\n\n CodeMirror.fromTextArea = fromTextArea;\n\n addLegacyProps(CodeMirror);\n\n CodeMirror.version = \"5.48.0\";\n\n return CodeMirror;\n\n})));\n\n\n//# sourceURL=webpack:///./node_modules/codemirror/lib/codemirror.js?");
-
-/***/ }),
-
-/***/ "./node_modules/codemirror/mode/javascript/javascript.js":
-/*!***************************************************************!*\
- !*** ./node_modules/codemirror/mode/javascript/javascript.js ***!
- \***************************************************************/
-/*! no static exports found */
-/***/ (function(module, exports, __webpack_require__) {
-
-eval("// CodeMirror, copyright (c) by Marijn Haverbeke and others\n// Distributed under an MIT license: https://codemirror.net/LICENSE\n\n(function(mod) {\n if (true) // CommonJS\n mod(__webpack_require__(/*! ../../lib/codemirror */ \"./node_modules/codemirror/lib/codemirror.js\"));\n else {}\n})(function(CodeMirror) {\n\"use strict\";\n\nCodeMirror.defineMode(\"javascript\", function(config, parserConfig) {\n var indentUnit = config.indentUnit;\n var statementIndent = parserConfig.statementIndent;\n var jsonldMode = parserConfig.jsonld;\n var jsonMode = parserConfig.json || jsonldMode;\n var isTS = parserConfig.typescript;\n var wordRE = parserConfig.wordCharacters || /[\\w$\\xa1-\\uffff]/;\n\n // Tokenizer\n\n var keywords = function(){\n function kw(type) {return {type: type, style: \"keyword\"};}\n var A = kw(\"keyword a\"), B = kw(\"keyword b\"), C = kw(\"keyword c\"), D = kw(\"keyword d\");\n var operator = kw(\"operator\"), atom = {type: \"atom\", style: \"atom\"};\n\n return {\n \"if\": kw(\"if\"), \"while\": A, \"with\": A, \"else\": B, \"do\": B, \"try\": B, \"finally\": B,\n \"return\": D, \"break\": D, \"continue\": D, \"new\": kw(\"new\"), \"delete\": C, \"void\": C, \"throw\": C,\n \"debugger\": kw(\"debugger\"), \"var\": kw(\"var\"), \"const\": kw(\"var\"), \"let\": kw(\"var\"),\n \"function\": kw(\"function\"), \"catch\": kw(\"catch\"),\n \"for\": kw(\"for\"), \"switch\": kw(\"switch\"), \"case\": kw(\"case\"), \"default\": kw(\"default\"),\n \"in\": operator, \"typeof\": operator, \"instanceof\": operator,\n \"true\": atom, \"false\": atom, \"null\": atom, \"undefined\": atom, \"NaN\": atom, \"Infinity\": atom,\n \"this\": kw(\"this\"), \"class\": kw(\"class\"), \"super\": kw(\"atom\"),\n \"yield\": C, \"export\": kw(\"export\"), \"import\": kw(\"import\"), \"extends\": C,\n \"await\": C\n };\n }();\n\n var isOperatorChar = /[+\\-*&%=<>!?|~^@]/;\n var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)\"/;\n\n function readRegexp(stream) {\n var escaped = false, next, inSet = false;\n while ((next = stream.next()) != null) {\n if (!escaped) {\n if (next == \"/\" && !inSet) return;\n if (next == \"[\") inSet = true;\n else if (inSet && next == \"]\") inSet = false;\n }\n escaped = !escaped && next == \"\\\\\";\n }\n }\n\n // Used as scratch variables to communicate multiple values without\n // consing up tons of objects.\n var type, content;\n function ret(tp, style, cont) {\n type = tp; content = cont;\n return style;\n }\n function tokenBase(stream, state) {\n var ch = stream.next();\n if (ch == '\"' || ch == \"'\") {\n state.tokenize = tokenString(ch);\n return state.tokenize(stream, state);\n } else if (ch == \".\" && stream.match(/^\\d+(?:[eE][+\\-]?\\d+)?/)) {\n return ret(\"number\", \"number\");\n } else if (ch == \".\" && stream.match(\"..\")) {\n return ret(\"spread\", \"meta\");\n } else if (/[\\[\\]{}\\(\\),;\\:\\.]/.test(ch)) {\n return ret(ch);\n } else if (ch == \"=\" && stream.eat(\">\")) {\n return ret(\"=>\", \"operator\");\n } else if (ch == \"0\" && stream.match(/^(?:x[\\da-f]+|o[0-7]+|b[01]+)n?/i)) {\n return ret(\"number\", \"number\");\n } else if (/\\d/.test(ch)) {\n stream.match(/^\\d*(?:n|(?:\\.\\d*)?(?:[eE][+\\-]?\\d+)?)?/);\n return ret(\"number\", \"number\");\n } else if (ch == \"/\") {\n if (stream.eat(\"*\")) {\n state.tokenize = tokenComment;\n return tokenComment(stream, state);\n } else if (stream.eat(\"/\")) {\n stream.skipToEnd();\n return ret(\"comment\", \"comment\");\n } else if (expressionAllowed(stream, state, 1)) {\n readRegexp(stream);\n stream.match(/^\\b(([gimyus])(?![gimyus]*\\2))+\\b/);\n return ret(\"regexp\", \"string-2\");\n } else {\n stream.eat(\"=\");\n return ret(\"operator\", \"operator\", stream.current());\n }\n } else if (ch == \"`\") {\n state.tokenize = tokenQuasi;\n return tokenQuasi(stream, state);\n } else if (ch == \"#\") {\n stream.skipToEnd();\n return ret(\"error\", \"error\");\n } else if (isOperatorChar.test(ch)) {\n if (ch != \">\" || !state.lexical || state.lexical.type != \">\") {\n if (stream.eat(\"=\")) {\n if (ch == \"!\" || ch == \"=\") stream.eat(\"=\")\n } else if (/[<>*+\\-]/.test(ch)) {\n stream.eat(ch)\n if (ch == \">\") stream.eat(ch)\n }\n }\n return ret(\"operator\", \"operator\", stream.current());\n } else if (wordRE.test(ch)) {\n stream.eatWhile(wordRE);\n var word = stream.current()\n if (state.lastType != \".\") {\n if (keywords.propertyIsEnumerable(word)) {\n var kw = keywords[word]\n return ret(kw.type, kw.style, word)\n }\n if (word == \"async\" && stream.match(/^(\\s|\\/\\*.*?\\*\\/)*[\\[\\(\\w]/, false))\n return ret(\"async\", \"keyword\", word)\n }\n return ret(\"variable\", \"variable\", word)\n }\n }\n\n function tokenString(quote) {\n return function(stream, state) {\n var escaped = false, next;\n if (jsonldMode && stream.peek() == \"@\" && stream.match(isJsonldKeyword)){\n state.tokenize = tokenBase;\n return ret(\"jsonld-keyword\", \"meta\");\n }\n while ((next = stream.next()) != null) {\n if (next == quote && !escaped) break;\n escaped = !escaped && next == \"\\\\\";\n }\n if (!escaped) state.tokenize = tokenBase;\n return ret(\"string\", \"string\");\n };\n }\n\n function tokenComment(stream, state) {\n var maybeEnd = false, ch;\n while (ch = stream.next()) {\n if (ch == \"/\" && maybeEnd) {\n state.tokenize = tokenBase;\n break;\n }\n maybeEnd = (ch == \"*\");\n }\n return ret(\"comment\", \"comment\");\n }\n\n function tokenQuasi(stream, state) {\n var escaped = false, next;\n while ((next = stream.next()) != null) {\n if (!escaped && (next == \"`\" || next == \"$\" && stream.eat(\"{\"))) {\n state.tokenize = tokenBase;\n break;\n }\n escaped = !escaped && next == \"\\\\\";\n }\n return ret(\"quasi\", \"string-2\", stream.current());\n }\n\n var brackets = \"([{}])\";\n // This is a crude lookahead trick to try and notice that we're\n // parsing the argument patterns for a fat-arrow function before we\n // actually hit the arrow token. It only works if the arrow is on\n // the same line as the arguments and there's no strange noise\n // (comments) in between. Fallback is to only notice when we hit the\n // arrow, and not declare the arguments as locals for the arrow\n // body.\n function findFatArrow(stream, state) {\n if (state.fatArrowAt) state.fatArrowAt = null;\n var arrow = stream.string.indexOf(\"=>\", stream.start);\n if (arrow < 0) return;\n\n if (isTS) { // Try to skip TypeScript return type declarations after the arguments\n var m = /:\\s*(?:\\w+(?:<[^>]*>|\\[\\])?|\\{[^}]*\\})\\s*$/.exec(stream.string.slice(stream.start, arrow))\n if (m) arrow = m.index\n }\n\n var depth = 0, sawSomething = false;\n for (var pos = arrow - 1; pos >= 0; --pos) {\n var ch = stream.string.charAt(pos);\n var bracket = brackets.indexOf(ch);\n if (bracket >= 0 && bracket < 3) {\n if (!depth) { ++pos; break; }\n if (--depth == 0) { if (ch == \"(\") sawSomething = true; break; }\n } else if (bracket >= 3 && bracket < 6) {\n ++depth;\n } else if (wordRE.test(ch)) {\n sawSomething = true;\n } else if (/[\"'\\/]/.test(ch)) {\n return;\n } else if (sawSomething && !depth) {\n ++pos;\n break;\n }\n }\n if (sawSomething && !depth) state.fatArrowAt = pos;\n }\n\n // Parser\n\n var atomicTypes = {\"atom\": true, \"number\": true, \"variable\": true, \"string\": true, \"regexp\": true, \"this\": true, \"jsonld-keyword\": true};\n\n function JSLexical(indented, column, type, align, prev, info) {\n this.indented = indented;\n this.column = column;\n this.type = type;\n this.prev = prev;\n this.info = info;\n if (align != null) this.align = align;\n }\n\n function inScope(state, varname) {\n for (var v = state.localVars; v; v = v.next)\n if (v.name == varname) return true;\n for (var cx = state.context; cx; cx = cx.prev) {\n for (var v = cx.vars; v; v = v.next)\n if (v.name == varname) return true;\n }\n }\n\n function parseJS(state, style, type, content, stream) {\n var cc = state.cc;\n // Communicate our context to the combinators.\n // (Less wasteful than consing up a hundred closures on every call.)\n cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; cx.style = style;\n\n if (!state.lexical.hasOwnProperty(\"align\"))\n state.lexical.align = true;\n\n while(true) {\n var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement;\n if (combinator(type, content)) {\n while(cc.length && cc[cc.length - 1].lex)\n cc.pop()();\n if (cx.marked) return cx.marked;\n if (type == \"variable\" && inScope(state, content)) return \"variable-2\";\n return style;\n }\n }\n }\n\n // Combinator utils\n\n var cx = {state: null, column: null, marked: null, cc: null};\n function pass() {\n for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);\n }\n function cont() {\n pass.apply(null, arguments);\n return true;\n }\n function inList(name, list) {\n for (var v = list; v; v = v.next) if (v.name == name) return true\n return false;\n }\n function register(varname) {\n var state = cx.state;\n cx.marked = \"def\";\n if (state.context) {\n if (state.lexical.info == \"var\" && state.context && state.context.block) {\n // FIXME function decls are also not block scoped\n var newContext = registerVarScoped(varname, state.context)\n if (newContext != null) {\n state.context = newContext\n return\n }\n } else if (!inList(varname, state.localVars)) {\n state.localVars = new Var(varname, state.localVars)\n return\n }\n }\n // Fall through means this is global\n if (parserConfig.globalVars && !inList(varname, state.globalVars))\n state.globalVars = new Var(varname, state.globalVars)\n }\n function registerVarScoped(varname, context) {\n if (!context) {\n return null\n } else if (context.block) {\n var inner = registerVarScoped(varname, context.prev)\n if (!inner) return null\n if (inner == context.prev) return context\n return new Context(inner, context.vars, true)\n } else if (inList(varname, context.vars)) {\n return context\n } else {\n return new Context(context.prev, new Var(varname, context.vars), false)\n }\n }\n\n function isModifier(name) {\n return name == \"public\" || name == \"private\" || name == \"protected\" || name == \"abstract\" || name == \"readonly\"\n }\n\n // Combinators\n\n function Context(prev, vars, block) { this.prev = prev; this.vars = vars; this.block = block }\n function Var(name, next) { this.name = name; this.next = next }\n\n var defaultVars = new Var(\"this\", new Var(\"arguments\", null))\n function pushcontext() {\n cx.state.context = new Context(cx.state.context, cx.state.localVars, false)\n cx.state.localVars = defaultVars\n }\n function pushblockcontext() {\n cx.state.context = new Context(cx.state.context, cx.state.localVars, true)\n cx.state.localVars = null\n }\n function popcontext() {\n cx.state.localVars = cx.state.context.vars\n cx.state.context = cx.state.context.prev\n }\n popcontext.lex = true\n function pushlex(type, info) {\n var result = function() {\n var state = cx.state, indent = state.indented;\n if (state.lexical.type == \"stat\") indent = state.lexical.indented;\n else for (var outer = state.lexical; outer && outer.type == \")\" && outer.align; outer = outer.prev)\n indent = outer.indented;\n state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info);\n };\n result.lex = true;\n return result;\n }\n function poplex() {\n var state = cx.state;\n if (state.lexical.prev) {\n if (state.lexical.type == \")\")\n state.indented = state.lexical.indented;\n state.lexical = state.lexical.prev;\n }\n }\n poplex.lex = true;\n\n function expect(wanted) {\n function exp(type) {\n if (type == wanted) return cont();\n else if (wanted == \";\" || type == \"}\" || type == \")\" || type == \"]\") return pass();\n else return cont(exp);\n };\n return exp;\n }\n\n function statement(type, value) {\n if (type == \"var\") return cont(pushlex(\"vardef\", value), vardef, expect(\";\"), poplex);\n if (type == \"keyword a\") return cont(pushlex(\"form\"), parenExpr, statement, poplex);\n if (type == \"keyword b\") return cont(pushlex(\"form\"), statement, poplex);\n if (type == \"keyword d\") return cx.stream.match(/^\\s*$/, false) ? cont() : cont(pushlex(\"stat\"), maybeexpression, expect(\";\"), poplex);\n if (type == \"debugger\") return cont(expect(\";\"));\n if (type == \"{\") return cont(pushlex(\"}\"), pushblockcontext, block, poplex, popcontext);\n if (type == \";\") return cont();\n if (type == \"if\") {\n if (cx.state.lexical.info == \"else\" && cx.state.cc[cx.state.cc.length - 1] == poplex)\n cx.state.cc.pop()();\n return cont(pushlex(\"form\"), parenExpr, statement, poplex, maybeelse);\n }\n if (type == \"function\") return cont(functiondef);\n if (type == \"for\") return cont(pushlex(\"form\"), forspec, statement, poplex);\n if (type == \"class\" || (isTS && value == \"interface\")) {\n cx.marked = \"keyword\"\n return cont(pushlex(\"form\", type == \"class\" ? type : value), className, poplex)\n }\n if (type == \"variable\") {\n if (isTS && value == \"declare\") {\n cx.marked = \"keyword\"\n return cont(statement)\n } else if (isTS && (value == \"module\" || value == \"enum\" || value == \"type\") && cx.stream.match(/^\\s*\\w/, false)) {\n cx.marked = \"keyword\"\n if (value == \"enum\") return cont(enumdef);\n else if (value == \"type\") return cont(typename, expect(\"operator\"), typeexpr, expect(\";\"));\n else return cont(pushlex(\"form\"), pattern, expect(\"{\"), pushlex(\"}\"), block, poplex, poplex)\n } else if (isTS && value == \"namespace\") {\n cx.marked = \"keyword\"\n return cont(pushlex(\"form\"), expression, statement, poplex)\n } else if (isTS && value == \"abstract\") {\n cx.marked = \"keyword\"\n return cont(statement)\n } else {\n return cont(pushlex(\"stat\"), maybelabel);\n }\n }\n if (type == \"switch\") return cont(pushlex(\"form\"), parenExpr, expect(\"{\"), pushlex(\"}\", \"switch\"), pushblockcontext,\n block, poplex, poplex, popcontext);\n if (type == \"case\") return cont(expression, expect(\":\"));\n if (type == \"default\") return cont(expect(\":\"));\n if (type == \"catch\") return cont(pushlex(\"form\"), pushcontext, maybeCatchBinding, statement, poplex, popcontext);\n if (type == \"export\") return cont(pushlex(\"stat\"), afterExport, poplex);\n if (type == \"import\") return cont(pushlex(\"stat\"), afterImport, poplex);\n if (type == \"async\") return cont(statement)\n if (value == \"@\") return cont(expression, statement)\n return pass(pushlex(\"stat\"), expression, expect(\";\"), poplex);\n }\n function maybeCatchBinding(type) {\n if (type == \"(\") return cont(funarg, expect(\")\"))\n }\n function expression(type, value) {\n return expressionInner(type, value, false);\n }\n function expressionNoComma(type, value) {\n return expressionInner(type, value, true);\n }\n function parenExpr(type) {\n if (type != \"(\") return pass()\n return cont(pushlex(\")\"), expression, expect(\")\"), poplex)\n }\n function expressionInner(type, value, noComma) {\n if (cx.state.fatArrowAt == cx.stream.start) {\n var body = noComma ? arrowBodyNoComma : arrowBody;\n if (type == \"(\") return cont(pushcontext, pushlex(\")\"), commasep(funarg, \")\"), poplex, expect(\"=>\"), body, popcontext);\n else if (type == \"variable\") return pass(pushcontext, pattern, expect(\"=>\"), body, popcontext);\n }\n\n var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma;\n if (atomicTypes.hasOwnProperty(type)) return cont(maybeop);\n if (type == \"function\") return cont(functiondef, maybeop);\n if (type == \"class\" || (isTS && value == \"interface\")) { cx.marked = \"keyword\"; return cont(pushlex(\"form\"), classExpression, poplex); }\n if (type == \"keyword c\" || type == \"async\") return cont(noComma ? expressionNoComma : expression);\n if (type == \"(\") return cont(pushlex(\")\"), maybeexpression, expect(\")\"), poplex, maybeop);\n if (type == \"operator\" || type == \"spread\") return cont(noComma ? expressionNoComma : expression);\n if (type == \"[\") return cont(pushlex(\"]\"), arrayLiteral, poplex, maybeop);\n if (type == \"{\") return contCommasep(objprop, \"}\", null, maybeop);\n if (type == \"quasi\") return pass(quasi, maybeop);\n if (type == \"new\") return cont(maybeTarget(noComma));\n if (type == \"import\") return cont(expression);\n return cont();\n }\n function maybeexpression(type) {\n if (type.match(/[;\\}\\)\\],]/)) return pass();\n return pass(expression);\n }\n\n function maybeoperatorComma(type, value) {\n if (type == \",\") return cont(expression);\n return maybeoperatorNoComma(type, value, false);\n }\n function maybeoperatorNoComma(type, value, noComma) {\n var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma;\n var expr = noComma == false ? expression : expressionNoComma;\n if (type == \"=>\") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext);\n if (type == \"operator\") {\n if (/\\+\\+|--/.test(value) || isTS && value == \"!\") return cont(me);\n if (isTS && value == \"<\" && cx.stream.match(/^([^>]|<.*?>)*>\\s*\\(/, false))\n return cont(pushlex(\">\"), commasep(typeexpr, \">\"), poplex, me);\n if (value == \"?\") return cont(expression, expect(\":\"), expr);\n return cont(expr);\n }\n if (type == \"quasi\") { return pass(quasi, me); }\n if (type == \";\") return;\n if (type == \"(\") return contCommasep(expressionNoComma, \")\", \"call\", me);\n if (type == \".\") return cont(property, me);\n if (type == \"[\") return cont(pushlex(\"]\"), maybeexpression, expect(\"]\"), poplex, me);\n if (isTS && value == \"as\") { cx.marked = \"keyword\"; return cont(typeexpr, me) }\n if (type == \"regexp\") {\n cx.state.lastType = cx.marked = \"operator\"\n cx.stream.backUp(cx.stream.pos - cx.stream.start - 1)\n return cont(expr)\n }\n }\n function quasi(type, value) {\n if (type != \"quasi\") return pass();\n if (value.slice(value.length - 2) != \"${\") return cont(quasi);\n return cont(expression, continueQuasi);\n }\n function continueQuasi(type) {\n if (type == \"}\") {\n cx.marked = \"string-2\";\n cx.state.tokenize = tokenQuasi;\n return cont(quasi);\n }\n }\n function arrowBody(type) {\n findFatArrow(cx.stream, cx.state);\n return pass(type == \"{\" ? statement : expression);\n }\n function arrowBodyNoComma(type) {\n findFatArrow(cx.stream, cx.state);\n return pass(type == \"{\" ? statement : expressionNoComma);\n }\n function maybeTarget(noComma) {\n return function(type) {\n if (type == \".\") return cont(noComma ? targetNoComma : target);\n else if (type == \"variable\" && isTS) return cont(maybeTypeArgs, noComma ? maybeoperatorNoComma : maybeoperatorComma)\n else return pass(noComma ? expressionNoComma : expression);\n };\n }\n function target(_, value) {\n if (value == \"target\") { cx.marked = \"keyword\"; return cont(maybeoperatorComma); }\n }\n function targetNoComma(_, value) {\n if (value == \"target\") { cx.marked = \"keyword\"; return cont(maybeoperatorNoComma); }\n }\n function maybelabel(type) {\n if (type == \":\") return cont(poplex, statement);\n return pass(maybeoperatorComma, expect(\";\"), poplex);\n }\n function property(type) {\n if (type == \"variable\") {cx.marked = \"property\"; return cont();}\n }\n function objprop(type, value) {\n if (type == \"async\") {\n cx.marked = \"property\";\n return cont(objprop);\n } else if (type == \"variable\" || cx.style == \"keyword\") {\n cx.marked = \"property\";\n if (value == \"get\" || value == \"set\") return cont(getterSetter);\n var m // Work around fat-arrow-detection complication for detecting typescript typed arrow params\n if (isTS && cx.state.fatArrowAt == cx.stream.start && (m = cx.stream.match(/^\\s*:\\s*/, false)))\n cx.state.fatArrowAt = cx.stream.pos + m[0].length\n return cont(afterprop);\n } else if (type == \"number\" || type == \"string\") {\n cx.marked = jsonldMode ? \"property\" : (cx.style + \" property\");\n return cont(afterprop);\n } else if (type == \"jsonld-keyword\") {\n return cont(afterprop);\n } else if (isTS && isModifier(value)) {\n cx.marked = \"keyword\"\n return cont(objprop)\n } else if (type == \"[\") {\n return cont(expression, maybetypeOrIn, expect(\"]\"), afterprop);\n } else if (type == \"spread\") {\n return cont(expressionNoComma, afterprop);\n } else if (value == \"*\") {\n cx.marked = \"keyword\";\n return cont(objprop);\n } else if (type == \":\") {\n return pass(afterprop)\n }\n }\n function getterSetter(type) {\n if (type != \"variable\") return pass(afterprop);\n cx.marked = \"property\";\n return cont(functiondef);\n }\n function afterprop(type) {\n if (type == \":\") return cont(expressionNoComma);\n if (type == \"(\") return pass(functiondef);\n }\n function commasep(what, end, sep) {\n function proceed(type, value) {\n if (sep ? sep.indexOf(type) > -1 : type == \",\") {\n var lex = cx.state.lexical;\n if (lex.info == \"call\") lex.pos = (lex.pos || 0) + 1;\n return cont(function(type, value) {\n if (type == end || value == end) return pass()\n return pass(what)\n }, proceed);\n }\n if (type == end || value == end) return cont();\n if (sep && sep.indexOf(\";\") > -1) return pass(what)\n return cont(expect(end));\n }\n return function(type, value) {\n if (type == end || value == end) return cont();\n return pass(what, proceed);\n };\n }\n function contCommasep(what, end, info) {\n for (var i = 3; i < arguments.length; i++)\n cx.cc.push(arguments[i]);\n return cont(pushlex(end, info), commasep(what, end), poplex);\n }\n function block(type) {\n if (type == \"}\") return cont();\n return pass(statement, block);\n }\n function maybetype(type, value) {\n if (isTS) {\n if (type == \":\") return cont(typeexpr);\n if (value == \"?\") return cont(maybetype);\n }\n }\n function maybetypeOrIn(type, value) {\n if (isTS && (type == \":\" || value == \"in\")) return cont(typeexpr)\n }\n function mayberettype(type) {\n if (isTS && type == \":\") {\n if (cx.stream.match(/^\\s*\\w+\\s+is\\b/, false)) return cont(expression, isKW, typeexpr)\n else return cont(typeexpr)\n }\n }\n function isKW(_, value) {\n if (value == \"is\") {\n cx.marked = \"keyword\"\n return cont()\n }\n }\n function typeexpr(type, value) {\n if (value == \"keyof\" || value == \"typeof\" || value == \"infer\") {\n cx.marked = \"keyword\"\n return cont(value == \"typeof\" ? expressionNoComma : typeexpr)\n }\n if (type == \"variable\" || value == \"void\") {\n cx.marked = \"type\"\n return cont(afterType)\n }\n if (value == \"|\" || value == \"&\") return cont(typeexpr)\n if (type == \"string\" || type == \"number\" || type == \"atom\") return cont(afterType);\n if (type == \"[\") return cont(pushlex(\"]\"), commasep(typeexpr, \"]\", \",\"), poplex, afterType)\n if (type == \"{\") return cont(pushlex(\"}\"), commasep(typeprop, \"}\", \",;\"), poplex, afterType)\n if (type == \"(\") return cont(commasep(typearg, \")\"), maybeReturnType, afterType)\n if (type == \"<\") return cont(commasep(typeexpr, \">\"), typeexpr)\n }\n function maybeReturnType(type) {\n if (type == \"=>\") return cont(typeexpr)\n }\n function typeprop(type, value) {\n if (type == \"variable\" || cx.style == \"keyword\") {\n cx.marked = \"property\"\n return cont(typeprop)\n } else if (value == \"?\" || type == \"number\" || type == \"string\") {\n return cont(typeprop)\n } else if (type == \":\") {\n return cont(typeexpr)\n } else if (type == \"[\") {\n return cont(expect(\"variable\"), maybetype, expect(\"]\"), typeprop)\n } else if (type == \"(\") {\n return pass(functiondecl, typeprop)\n }\n }\n function typearg(type, value) {\n if (type == \"variable\" && cx.stream.match(/^\\s*[?:]/, false) || value == \"?\") return cont(typearg)\n if (type == \":\") return cont(typeexpr)\n if (type == \"spread\") return cont(typearg)\n return pass(typeexpr)\n }\n function afterType(type, value) {\n if (value == \"<\") return cont(pushlex(\">\"), commasep(typeexpr, \">\"), poplex, afterType)\n if (value == \"|\" || type == \".\" || value == \"&\") return cont(typeexpr)\n if (type == \"[\") return cont(typeexpr, expect(\"]\"), afterType)\n if (value == \"extends\" || value == \"implements\") { cx.marked = \"keyword\"; return cont(typeexpr) }\n if (value == \"?\") return cont(typeexpr, expect(\":\"), typeexpr)\n }\n function maybeTypeArgs(_, value) {\n if (value == \"<\") return cont(pushlex(\">\"), commasep(typeexpr, \">\"), poplex, afterType)\n }\n function typeparam() {\n return pass(typeexpr, maybeTypeDefault)\n }\n function maybeTypeDefault(_, value) {\n if (value == \"=\") return cont(typeexpr)\n }\n function vardef(_, value) {\n if (value == \"enum\") {cx.marked = \"keyword\"; return cont(enumdef)}\n return pass(pattern, maybetype, maybeAssign, vardefCont);\n }\n function pattern(type, value) {\n if (isTS && isModifier(value)) { cx.marked = \"keyword\"; return cont(pattern) }\n if (type == \"variable\") { register(value); return cont(); }\n if (type == \"spread\") return cont(pattern);\n if (type == \"[\") return contCommasep(eltpattern, \"]\");\n if (type == \"{\") return contCommasep(proppattern, \"}\");\n }\n function proppattern(type, value) {\n if (type == \"variable\" && !cx.stream.match(/^\\s*:/, false)) {\n register(value);\n return cont(maybeAssign);\n }\n if (type == \"variable\") cx.marked = \"property\";\n if (type == \"spread\") return cont(pattern);\n if (type == \"}\") return pass();\n if (type == \"[\") return cont(expression, expect(']'), expect(':'), proppattern);\n return cont(expect(\":\"), pattern, maybeAssign);\n }\n function eltpattern() {\n return pass(pattern, maybeAssign)\n }\n function maybeAssign(_type, value) {\n if (value == \"=\") return cont(expressionNoComma);\n }\n function vardefCont(type) {\n if (type == \",\") return cont(vardef);\n }\n function maybeelse(type, value) {\n if (type == \"keyword b\" && value == \"else\") return cont(pushlex(\"form\", \"else\"), statement, poplex);\n }\n function forspec(type, value) {\n if (value == \"await\") return cont(forspec);\n if (type == \"(\") return cont(pushlex(\")\"), forspec1, poplex);\n }\n function forspec1(type) {\n if (type == \"var\") return cont(vardef, forspec2);\n if (type == \"variable\") return cont(forspec2);\n return pass(forspec2)\n }\n function forspec2(type, value) {\n if (type == \")\") return cont()\n if (type == \";\") return cont(forspec2)\n if (value == \"in\" || value == \"of\") { cx.marked = \"keyword\"; return cont(expression, forspec2) }\n return pass(expression, forspec2)\n }\n function functiondef(type, value) {\n if (value == \"*\") {cx.marked = \"keyword\"; return cont(functiondef);}\n if (type == \"variable\") {register(value); return cont(functiondef);}\n if (type == \"(\") return cont(pushcontext, pushlex(\")\"), commasep(funarg, \")\"), poplex, mayberettype, statement, popcontext);\n if (isTS && value == \"<\") return cont(pushlex(\">\"), commasep(typeparam, \">\"), poplex, functiondef)\n }\n function functiondecl(type, value) {\n if (value == \"*\") {cx.marked = \"keyword\"; return cont(functiondecl);}\n if (type == \"variable\") {register(value); return cont(functiondecl);}\n if (type == \"(\") return cont(pushcontext, pushlex(\")\"), commasep(funarg, \")\"), poplex, mayberettype, popcontext);\n if (isTS && value == \"<\") return cont(pushlex(\">\"), commasep(typeparam, \">\"), poplex, functiondecl)\n }\n function typename(type, value) {\n if (type == \"keyword\" || type == \"variable\") {\n cx.marked = \"type\"\n return cont(typename)\n } else if (value == \"<\") {\n return cont(pushlex(\">\"), commasep(typeparam, \">\"), poplex)\n }\n }\n function funarg(type, value) {\n if (value == \"@\") cont(expression, funarg)\n if (type == \"spread\") return cont(funarg);\n if (isTS && isModifier(value)) { cx.marked = \"keyword\"; return cont(funarg); }\n if (isTS && type == \"this\") return cont(maybetype, maybeAssign)\n return pass(pattern, maybetype, maybeAssign);\n }\n function classExpression(type, value) {\n // Class expressions may have an optional name.\n if (type == \"variable\") return className(type, value);\n return classNameAfter(type, value);\n }\n function className(type, value) {\n if (type == \"variable\") {register(value); return cont(classNameAfter);}\n }\n function classNameAfter(type, value) {\n if (value == \"<\") return cont(pushlex(\">\"), commasep(typeparam, \">\"), poplex, classNameAfter)\n if (value == \"extends\" || value == \"implements\" || (isTS && type == \",\")) {\n if (value == \"implements\") cx.marked = \"keyword\";\n return cont(isTS ? typeexpr : expression, classNameAfter);\n }\n if (type == \"{\") return cont(pushlex(\"}\"), classBody, poplex);\n }\n function classBody(type, value) {\n if (type == \"async\" ||\n (type == \"variable\" &&\n (value == \"static\" || value == \"get\" || value == \"set\" || (isTS && isModifier(value))) &&\n cx.stream.match(/^\\s+[\\w$\\xa1-\\uffff]/, false))) {\n cx.marked = \"keyword\";\n return cont(classBody);\n }\n if (type == \"variable\" || cx.style == \"keyword\") {\n cx.marked = \"property\";\n return cont(isTS ? classfield : functiondef, classBody);\n }\n if (type == \"number\" || type == \"string\") return cont(isTS ? classfield : functiondef, classBody);\n if (type == \"[\")\n return cont(expression, maybetype, expect(\"]\"), isTS ? classfield : functiondef, classBody)\n if (value == \"*\") {\n cx.marked = \"keyword\";\n return cont(classBody);\n }\n if (isTS && type == \"(\") return pass(functiondecl, classBody)\n if (type == \";\" || type == \",\") return cont(classBody);\n if (type == \"}\") return cont();\n if (value == \"@\") return cont(expression, classBody)\n }\n function classfield(type, value) {\n if (value == \"?\") return cont(classfield)\n if (type == \":\") return cont(typeexpr, maybeAssign)\n if (value == \"=\") return cont(expressionNoComma)\n var context = cx.state.lexical.prev, isInterface = context && context.info == \"interface\"\n return pass(isInterface ? functiondecl : functiondef)\n }\n function afterExport(type, value) {\n if (value == \"*\") { cx.marked = \"keyword\"; return cont(maybeFrom, expect(\";\")); }\n if (value == \"default\") { cx.marked = \"keyword\"; return cont(expression, expect(\";\")); }\n if (type == \"{\") return cont(commasep(exportField, \"}\"), maybeFrom, expect(\";\"));\n return pass(statement);\n }\n function exportField(type, value) {\n if (value == \"as\") { cx.marked = \"keyword\"; return cont(expect(\"variable\")); }\n if (type == \"variable\") return pass(expressionNoComma, exportField);\n }\n function afterImport(type) {\n if (type == \"string\") return cont();\n if (type == \"(\") return pass(expression);\n return pass(importSpec, maybeMoreImports, maybeFrom);\n }\n function importSpec(type, value) {\n if (type == \"{\") return contCommasep(importSpec, \"}\");\n if (type == \"variable\") register(value);\n if (value == \"*\") cx.marked = \"keyword\";\n return cont(maybeAs);\n }\n function maybeMoreImports(type) {\n if (type == \",\") return cont(importSpec, maybeMoreImports)\n }\n function maybeAs(_type, value) {\n if (value == \"as\") { cx.marked = \"keyword\"; return cont(importSpec); }\n }\n function maybeFrom(_type, value) {\n if (value == \"from\") { cx.marked = \"keyword\"; return cont(expression); }\n }\n function arrayLiteral(type) {\n if (type == \"]\") return cont();\n return pass(commasep(expressionNoComma, \"]\"));\n }\n function enumdef() {\n return pass(pushlex(\"form\"), pattern, expect(\"{\"), pushlex(\"}\"), commasep(enummember, \"}\"), poplex, poplex)\n }\n function enummember() {\n return pass(pattern, maybeAssign);\n }\n\n function isContinuedStatement(state, textAfter) {\n return state.lastType == \"operator\" || state.lastType == \",\" ||\n isOperatorChar.test(textAfter.charAt(0)) ||\n /[,.]/.test(textAfter.charAt(0));\n }\n\n function expressionAllowed(stream, state, backUp) {\n return state.tokenize == tokenBase &&\n /^(?:operator|sof|keyword [bcd]|case|new|export|default|spread|[\\[{}\\(,;:]|=>)$/.test(state.lastType) ||\n (state.lastType == \"quasi\" && /\\{\\s*$/.test(stream.string.slice(0, stream.pos - (backUp || 0))))\n }\n\n // Interface\n\n return {\n startState: function(basecolumn) {\n var state = {\n tokenize: tokenBase,\n lastType: \"sof\",\n cc: [],\n lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, \"block\", false),\n localVars: parserConfig.localVars,\n context: parserConfig.localVars && new Context(null, null, false),\n indented: basecolumn || 0\n };\n if (parserConfig.globalVars && typeof parserConfig.globalVars == \"object\")\n state.globalVars = parserConfig.globalVars;\n return state;\n },\n\n token: function(stream, state) {\n if (stream.sol()) {\n if (!state.lexical.hasOwnProperty(\"align\"))\n state.lexical.align = false;\n state.indented = stream.indentation();\n findFatArrow(stream, state);\n }\n if (state.tokenize != tokenComment && stream.eatSpace()) return null;\n var style = state.tokenize(stream, state);\n if (type == \"comment\") return style;\n state.lastType = type == \"operator\" && (content == \"++\" || content == \"--\") ? \"incdec\" : type;\n return parseJS(state, style, type, content, stream);\n },\n\n indent: function(state, textAfter) {\n if (state.tokenize == tokenComment) return CodeMirror.Pass;\n if (state.tokenize != tokenBase) return 0;\n var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical, top\n // Kludge to prevent 'maybelse' from blocking lexical scope pops\n if (!/^\\s*else\\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) {\n var c = state.cc[i];\n if (c == poplex) lexical = lexical.prev;\n else if (c != maybeelse) break;\n }\n while ((lexical.type == \"stat\" || lexical.type == \"form\") &&\n (firstChar == \"}\" || ((top = state.cc[state.cc.length - 1]) &&\n (top == maybeoperatorComma || top == maybeoperatorNoComma) &&\n !/^[,\\.=+\\-*:?[\\(]/.test(textAfter))))\n lexical = lexical.prev;\n if (statementIndent && lexical.type == \")\" && lexical.prev.type == \"stat\")\n lexical = lexical.prev;\n var type = lexical.type, closing = firstChar == type;\n\n if (type == \"vardef\") return lexical.indented + (state.lastType == \"operator\" || state.lastType == \",\" ? lexical.info.length + 1 : 0);\n else if (type == \"form\" && firstChar == \"{\") return lexical.indented;\n else if (type == \"form\") return lexical.indented + indentUnit;\n else if (type == \"stat\")\n return lexical.indented + (isContinuedStatement(state, textAfter) ? statementIndent || indentUnit : 0);\n else if (lexical.info == \"switch\" && !closing && parserConfig.doubleIndentSwitch != false)\n return lexical.indented + (/^(?:case|default)\\b/.test(textAfter) ? indentUnit : 2 * indentUnit);\n else if (lexical.align) return lexical.column + (closing ? 0 : 1);\n else return lexical.indented + (closing ? 0 : indentUnit);\n },\n\n electricInput: /^\\s*(?:case .*?:|default:|\\{|\\})$/,\n blockCommentStart: jsonMode ? null : \"/*\",\n blockCommentEnd: jsonMode ? null : \"*/\",\n blockCommentContinue: jsonMode ? null : \" * \",\n lineComment: jsonMode ? null : \"//\",\n fold: \"brace\",\n closeBrackets: \"()[]{}''\\\"\\\"``\",\n\n helperType: jsonMode ? \"json\" : \"javascript\",\n jsonldMode: jsonldMode,\n jsonMode: jsonMode,\n\n expressionAllowed: expressionAllowed,\n\n skipExpression: function(state) {\n var top = state.cc[state.cc.length - 1]\n if (top == expression || top == expressionNoComma) state.cc.pop()\n }\n };\n});\n\nCodeMirror.registerHelper(\"wordChars\", \"javascript\", /[\\w$]/);\n\nCodeMirror.defineMIME(\"text/javascript\", \"javascript\");\nCodeMirror.defineMIME(\"text/ecmascript\", \"javascript\");\nCodeMirror.defineMIME(\"application/javascript\", \"javascript\");\nCodeMirror.defineMIME(\"application/x-javascript\", \"javascript\");\nCodeMirror.defineMIME(\"application/ecmascript\", \"javascript\");\nCodeMirror.defineMIME(\"application/json\", {name: \"javascript\", json: true});\nCodeMirror.defineMIME(\"application/x-json\", {name: \"javascript\", json: true});\nCodeMirror.defineMIME(\"application/ld+json\", {name: \"javascript\", jsonld: true});\nCodeMirror.defineMIME(\"text/typescript\", { name: \"javascript\", typescript: true });\nCodeMirror.defineMIME(\"application/typescript\", { name: \"javascript\", typescript: true });\n\n});\n\n\n//# sourceURL=webpack:///./node_modules/codemirror/mode/javascript/javascript.js?");
-
-/***/ }),
-
-/***/ "./node_modules/codemirror/mode/jsx/jsx.js":
-/*!*************************************************!*\
- !*** ./node_modules/codemirror/mode/jsx/jsx.js ***!
- \*************************************************/
-/*! no static exports found */
-/***/ (function(module, exports, __webpack_require__) {
-
-eval("// CodeMirror, copyright (c) by Marijn Haverbeke and others\n// Distributed under an MIT license: https://codemirror.net/LICENSE\n\n(function(mod) {\n if (true) // CommonJS\n mod(__webpack_require__(/*! ../../lib/codemirror */ \"./node_modules/codemirror/lib/codemirror.js\"), __webpack_require__(/*! ../xml/xml */ \"./node_modules/codemirror/mode/xml/xml.js\"), __webpack_require__(/*! ../javascript/javascript */ \"./node_modules/codemirror/mode/javascript/javascript.js\"))\n else {}\n})(function(CodeMirror) {\n \"use strict\"\n\n // Depth means the amount of open braces in JS context, in XML\n // context 0 means not in tag, 1 means in tag, and 2 means in tag\n // and js block comment.\n function Context(state, mode, depth, prev) {\n this.state = state; this.mode = mode; this.depth = depth; this.prev = prev\n }\n\n function copyContext(context) {\n return new Context(CodeMirror.copyState(context.mode, context.state),\n context.mode,\n context.depth,\n context.prev && copyContext(context.prev))\n }\n\n CodeMirror.defineMode(\"jsx\", function(config, modeConfig) {\n var xmlMode = CodeMirror.getMode(config, {name: \"xml\", allowMissing: true, multilineTagIndentPastTag: false, allowMissingTagName: true})\n var jsMode = CodeMirror.getMode(config, modeConfig && modeConfig.base || \"javascript\")\n\n function flatXMLIndent(state) {\n var tagName = state.tagName\n state.tagName = null\n var result = xmlMode.indent(state, \"\", \"\")\n state.tagName = tagName\n return result\n }\n\n function token(stream, state) {\n if (state.context.mode == xmlMode)\n return xmlToken(stream, state, state.context)\n else\n return jsToken(stream, state, state.context)\n }\n\n function xmlToken(stream, state, cx) {\n if (cx.depth == 2) { // Inside a JS /* */ comment\n if (stream.match(/^.*?\\*\\//)) cx.depth = 1\n else stream.skipToEnd()\n return \"comment\"\n }\n\n if (stream.peek() == \"{\") {\n xmlMode.skipAttribute(cx.state)\n\n var indent = flatXMLIndent(cx.state), xmlContext = cx.state.context\n // If JS starts on same line as tag\n if (xmlContext && stream.match(/^[^>]*>\\s*$/, false)) {\n while (xmlContext.prev && !xmlContext.startOfLine)\n xmlContext = xmlContext.prev\n // If tag starts the line, use XML indentation level\n if (xmlContext.startOfLine) indent -= config.indentUnit\n // Else use JS indentation level\n else if (cx.prev.state.lexical) indent = cx.prev.state.lexical.indented\n // Else if inside of tag\n } else if (cx.depth == 1) {\n indent += config.indentUnit\n }\n\n state.context = new Context(CodeMirror.startState(jsMode, indent),\n jsMode, 0, state.context)\n return null\n }\n\n if (cx.depth == 1) { // Inside of tag\n if (stream.peek() == \"<\") { // Tag inside of tag\n xmlMode.skipAttribute(cx.state)\n state.context = new Context(CodeMirror.startState(xmlMode, flatXMLIndent(cx.state)),\n xmlMode, 0, state.context)\n return null\n } else if (stream.match(\"//\")) {\n stream.skipToEnd()\n return \"comment\"\n } else if (stream.match(\"/*\")) {\n cx.depth = 2\n return token(stream, state)\n }\n }\n\n var style = xmlMode.token(stream, cx.state), cur = stream.current(), stop\n if (/\\btag\\b/.test(style)) {\n if (/>$/.test(cur)) {\n if (cx.state.context) cx.depth = 0\n else state.context = state.context.prev\n } else if (/^ -1) {\n stream.backUp(cur.length - stop)\n }\n return style\n }\n\n function jsToken(stream, state, cx) {\n if (stream.peek() == \"<\" && jsMode.expressionAllowed(stream, cx.state)) {\n jsMode.skipExpression(cx.state)\n state.context = new Context(CodeMirror.startState(xmlMode, jsMode.indent(cx.state, \"\", \"\")),\n xmlMode, 0, state.context)\n return null\n }\n\n var style = jsMode.token(stream, cx.state)\n if (!style && cx.depth != null) {\n var cur = stream.current()\n if (cur == \"{\") {\n cx.depth++\n } else if (cur == \"}\") {\n if (--cx.depth == 0) state.context = state.context.prev\n }\n }\n return style\n }\n\n return {\n startState: function() {\n return {context: new Context(CodeMirror.startState(jsMode), jsMode)}\n },\n\n copyState: function(state) {\n return {context: copyContext(state.context)}\n },\n\n token: token,\n\n indent: function(state, textAfter, fullLine) {\n return state.context.mode.indent(state.context.state, textAfter, fullLine)\n },\n\n innerMode: function(state) {\n return state.context\n }\n }\n }, \"xml\", \"javascript\")\n\n CodeMirror.defineMIME(\"text/jsx\", \"jsx\")\n CodeMirror.defineMIME(\"text/typescript-jsx\", {name: \"jsx\", base: {name: \"javascript\", typescript: true}})\n});\n\n\n//# sourceURL=webpack:///./node_modules/codemirror/mode/jsx/jsx.js?");
-
-/***/ }),
-
-/***/ "./node_modules/codemirror/mode/xml/xml.js":
-/*!*************************************************!*\
- !*** ./node_modules/codemirror/mode/xml/xml.js ***!
- \*************************************************/
-/*! no static exports found */
-/***/ (function(module, exports, __webpack_require__) {
-
-eval("// CodeMirror, copyright (c) by Marijn Haverbeke and others\n// Distributed under an MIT license: https://codemirror.net/LICENSE\n\n(function(mod) {\n if (true) // CommonJS\n mod(__webpack_require__(/*! ../../lib/codemirror */ \"./node_modules/codemirror/lib/codemirror.js\"));\n else {}\n})(function(CodeMirror) {\n\"use strict\";\n\nvar htmlConfig = {\n autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true,\n 'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true,\n 'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true,\n 'track': true, 'wbr': true, 'menuitem': true},\n implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true,\n 'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true,\n 'th': true, 'tr': true},\n contextGrabbers: {\n 'dd': {'dd': true, 'dt': true},\n 'dt': {'dd': true, 'dt': true},\n 'li': {'li': true},\n 'option': {'option': true, 'optgroup': true},\n 'optgroup': {'optgroup': true},\n 'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true,\n 'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true,\n 'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true,\n 'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true,\n 'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true},\n 'rp': {'rp': true, 'rt': true},\n 'rt': {'rp': true, 'rt': true},\n 'tbody': {'tbody': true, 'tfoot': true},\n 'td': {'td': true, 'th': true},\n 'tfoot': {'tbody': true},\n 'th': {'td': true, 'th': true},\n 'thead': {'tbody': true, 'tfoot': true},\n 'tr': {'tr': true}\n },\n doNotIndent: {\"pre\": true},\n allowUnquoted: true,\n allowMissing: true,\n caseFold: true\n}\n\nvar xmlConfig = {\n autoSelfClosers: {},\n implicitlyClosed: {},\n contextGrabbers: {},\n doNotIndent: {},\n allowUnquoted: false,\n allowMissing: false,\n allowMissingTagName: false,\n caseFold: false\n}\n\nCodeMirror.defineMode(\"xml\", function(editorConf, config_) {\n var indentUnit = editorConf.indentUnit\n var config = {}\n var defaults = config_.htmlMode ? htmlConfig : xmlConfig\n for (var prop in defaults) config[prop] = defaults[prop]\n for (var prop in config_) config[prop] = config_[prop]\n\n // Return variables for tokenizers\n var type, setStyle;\n\n function inText(stream, state) {\n function chain(parser) {\n state.tokenize = parser;\n return parser(stream, state);\n }\n\n var ch = stream.next();\n if (ch == \"<\") {\n if (stream.eat(\"!\")) {\n if (stream.eat(\"[\")) {\n if (stream.match(\"CDATA[\")) return chain(inBlock(\"atom\", \"]]>\"));\n else return null;\n } else if (stream.match(\"--\")) {\n return chain(inBlock(\"comment\", \"-->\"));\n } else if (stream.match(\"DOCTYPE\", true, true)) {\n stream.eatWhile(/[\\w\\._\\-]/);\n return chain(doctype(1));\n } else {\n return null;\n }\n } else if (stream.eat(\"?\")) {\n stream.eatWhile(/[\\w\\._\\-]/);\n state.tokenize = inBlock(\"meta\", \"?>\");\n return \"meta\";\n } else {\n type = stream.eat(\"/\") ? \"closeTag\" : \"openTag\";\n state.tokenize = inTag;\n return \"tag bracket\";\n }\n } else if (ch == \"&\") {\n var ok;\n if (stream.eat(\"#\")) {\n if (stream.eat(\"x\")) {\n ok = stream.eatWhile(/[a-fA-F\\d]/) && stream.eat(\";\");\n } else {\n ok = stream.eatWhile(/[\\d]/) && stream.eat(\";\");\n }\n } else {\n ok = stream.eatWhile(/[\\w\\.\\-:]/) && stream.eat(\";\");\n }\n return ok ? \"atom\" : \"error\";\n } else {\n stream.eatWhile(/[^&<]/);\n return null;\n }\n }\n inText.isInText = true;\n\n function inTag(stream, state) {\n var ch = stream.next();\n if (ch == \">\" || (ch == \"/\" && stream.eat(\">\"))) {\n state.tokenize = inText;\n type = ch == \">\" ? \"endTag\" : \"selfcloseTag\";\n return \"tag bracket\";\n } else if (ch == \"=\") {\n type = \"equals\";\n return null;\n } else if (ch == \"<\") {\n state.tokenize = inText;\n state.state = baseState;\n state.tagName = state.tagStart = null;\n var next = state.tokenize(stream, state);\n return next ? next + \" tag error\" : \"tag error\";\n } else if (/[\\'\\\"]/.test(ch)) {\n state.tokenize = inAttribute(ch);\n state.stringStartCol = stream.column();\n return state.tokenize(stream, state);\n } else {\n stream.match(/^[^\\s\\u00a0=<>\\\"\\']*[^\\s\\u00a0=<>\\\"\\'\\/]/);\n return \"word\";\n }\n }\n\n function inAttribute(quote) {\n var closure = function(stream, state) {\n while (!stream.eol()) {\n if (stream.next() == quote) {\n state.tokenize = inTag;\n break;\n }\n }\n return \"string\";\n };\n closure.isInAttribute = true;\n return closure;\n }\n\n function inBlock(style, terminator) {\n return function(stream, state) {\n while (!stream.eol()) {\n if (stream.match(terminator)) {\n state.tokenize = inText;\n break;\n }\n stream.next();\n }\n return style;\n }\n }\n\n function doctype(depth) {\n return function(stream, state) {\n var ch;\n while ((ch = stream.next()) != null) {\n if (ch == \"<\") {\n state.tokenize = doctype(depth + 1);\n return state.tokenize(stream, state);\n } else if (ch == \">\") {\n if (depth == 1) {\n state.tokenize = inText;\n break;\n } else {\n state.tokenize = doctype(depth - 1);\n return state.tokenize(stream, state);\n }\n }\n }\n return \"meta\";\n };\n }\n\n function Context(state, tagName, startOfLine) {\n this.prev = state.context;\n this.tagName = tagName;\n this.indent = state.indented;\n this.startOfLine = startOfLine;\n if (config.doNotIndent.hasOwnProperty(tagName) || (state.context && state.context.noIndent))\n this.noIndent = true;\n }\n function popContext(state) {\n if (state.context) state.context = state.context.prev;\n }\n function maybePopContext(state, nextTagName) {\n var parentTagName;\n while (true) {\n if (!state.context) {\n return;\n }\n parentTagName = state.context.tagName;\n if (!config.contextGrabbers.hasOwnProperty(parentTagName) ||\n !config.contextGrabbers[parentTagName].hasOwnProperty(nextTagName)) {\n return;\n }\n popContext(state);\n }\n }\n\n function baseState(type, stream, state) {\n if (type == \"openTag\") {\n state.tagStart = stream.column();\n return tagNameState;\n } else if (type == \"closeTag\") {\n return closeTagNameState;\n } else {\n return baseState;\n }\n }\n function tagNameState(type, stream, state) {\n if (type == \"word\") {\n state.tagName = stream.current();\n setStyle = \"tag\";\n return attrState;\n } else if (config.allowMissingTagName && type == \"endTag\") {\n setStyle = \"tag bracket\";\n return attrState(type, stream, state);\n } else {\n setStyle = \"error\";\n return tagNameState;\n }\n }\n function closeTagNameState(type, stream, state) {\n if (type == \"word\") {\n var tagName = stream.current();\n if (state.context && state.context.tagName != tagName &&\n config.implicitlyClosed.hasOwnProperty(state.context.tagName))\n popContext(state);\n if ((state.context && state.context.tagName == tagName) || config.matchClosing === false) {\n setStyle = \"tag\";\n return closeState;\n } else {\n setStyle = \"tag error\";\n return closeStateErr;\n }\n } else if (config.allowMissingTagName && type == \"endTag\") {\n setStyle = \"tag bracket\";\n return closeState(type, stream, state);\n } else {\n setStyle = \"error\";\n return closeStateErr;\n }\n }\n\n function closeState(type, _stream, state) {\n if (type != \"endTag\") {\n setStyle = \"error\";\n return closeState;\n }\n popContext(state);\n return baseState;\n }\n function closeStateErr(type, stream, state) {\n setStyle = \"error\";\n return closeState(type, stream, state);\n }\n\n function attrState(type, _stream, state) {\n if (type == \"word\") {\n setStyle = \"attribute\";\n return attrEqState;\n } else if (type == \"endTag\" || type == \"selfcloseTag\") {\n var tagName = state.tagName, tagStart = state.tagStart;\n state.tagName = state.tagStart = null;\n if (type == \"selfcloseTag\" ||\n config.autoSelfClosers.hasOwnProperty(tagName)) {\n maybePopContext(state, tagName);\n } else {\n maybePopContext(state, tagName);\n state.context = new Context(state, tagName, tagStart == state.indented);\n }\n return baseState;\n }\n setStyle = \"error\";\n return attrState;\n }\n function attrEqState(type, stream, state) {\n if (type == \"equals\") return attrValueState;\n if (!config.allowMissing) setStyle = \"error\";\n return attrState(type, stream, state);\n }\n function attrValueState(type, stream, state) {\n if (type == \"string\") return attrContinuedState;\n if (type == \"word\" && config.allowUnquoted) {setStyle = \"string\"; return attrState;}\n setStyle = \"error\";\n return attrState(type, stream, state);\n }\n function attrContinuedState(type, stream, state) {\n if (type == \"string\") return attrContinuedState;\n return attrState(type, stream, state);\n }\n\n return {\n startState: function(baseIndent) {\n var state = {tokenize: inText,\n state: baseState,\n indented: baseIndent || 0,\n tagName: null, tagStart: null,\n context: null}\n if (baseIndent != null) state.baseIndent = baseIndent\n return state\n },\n\n token: function(stream, state) {\n if (!state.tagName && stream.sol())\n state.indented = stream.indentation();\n\n if (stream.eatSpace()) return null;\n type = null;\n var style = state.tokenize(stream, state);\n if ((style || type) && style != \"comment\") {\n setStyle = null;\n state.state = state.state(type || style, stream, state);\n if (setStyle)\n style = setStyle == \"error\" ? style + \" error\" : setStyle;\n }\n return style;\n },\n\n indent: function(state, textAfter, fullLine) {\n var context = state.context;\n // Indent multi-line strings (e.g. css).\n if (state.tokenize.isInAttribute) {\n if (state.tagStart == state.indented)\n return state.stringStartCol + 1;\n else\n return state.indented + indentUnit;\n }\n if (context && context.noIndent) return CodeMirror.Pass;\n if (state.tokenize != inTag && state.tokenize != inText)\n return fullLine ? fullLine.match(/^(\\s*)/)[0].length : 0;\n // Indent the starts of attribute names.\n if (state.tagName) {\n if (config.multilineTagIndentPastTag !== false)\n return state.tagStart + state.tagName.length + 2;\n else\n return state.tagStart + indentUnit * (config.multilineTagIndentFactor || 1);\n }\n if (config.alignCDATA && /$/,\n blockCommentStart: \"\",\n\n configuration: config.htmlMode ? \"html\" : \"xml\",\n helperType: config.htmlMode ? \"html\" : \"xml\",\n\n skipAttribute: function(state) {\n if (state.state == attrValueState)\n state.state = attrState\n }\n };\n});\n\nCodeMirror.defineMIME(\"text/xml\", \"xml\");\nCodeMirror.defineMIME(\"application/xml\", \"xml\");\nif (!CodeMirror.mimeModes.hasOwnProperty(\"text/html\"))\n CodeMirror.defineMIME(\"text/html\", {name: \"xml\", htmlMode: true});\n\n});\n\n\n//# sourceURL=webpack:///./node_modules/codemirror/mode/xml/xml.js?");
-
-/***/ }),
-
-/***/ "./node_modules/react-codemirror2/index.js":
-/*!*************************************************!*\
- !*** ./node_modules/react-codemirror2/index.js ***!
- \*************************************************/
-/*! no static exports found */
-/***/ (function(module, exports, __webpack_require__) {
-
-"use strict";
-eval("/* WEBPACK VAR INJECTION */(function(global) {\n\nvar _extends = Object.assign || function(target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n return target;\n};\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function(obj) {\n return typeof obj;\n} : function(obj) {\n return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n};\n\nvar __extends = undefined && undefined.__extends || function() {\n var extendStatics = Object.setPrototypeOf || {\n __proto__: []\n }\n instanceof Array && function(d, b) {\n d.__proto__ = b;\n } || function(d, b) {\n for (var p in b) {\n if (b.hasOwnProperty(p)) d[p] = b[p];\n }\n };\n return function(d, b) {\n extendStatics(d, b);\n\n function __() {\n this.constructor = d;\n }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n}();\nObject.defineProperty(exports, '__esModule', {\n value: true\n});\nvar React = __webpack_require__(/*! react */ \"./node_modules/react/index.js\");\nvar SERVER_RENDERED = typeof navigator === 'undefined' || global['PREVENT_CODEMIRROR_RENDER'] === true;\nvar cm;\nif (!SERVER_RENDERED) {\n cm = __webpack_require__(/*! codemirror */ \"./node_modules/codemirror/lib/codemirror.js\");\n}\nvar Helper = function() {\n function Helper() {}\n Helper.equals = function(x, y) {\n var _this = this;\n var ok = Object.keys,\n tx = typeof x === 'undefined' ? 'undefined' : _typeof(x),\n ty = typeof y === 'undefined' ? 'undefined' : _typeof(y);\n return x && y && tx === 'object' && tx === ty ? ok(x).length === ok(y).length && ok(x).every(function(key) {\n return _this.equals(x[key], y[key]);\n }) : x === y;\n };\n return Helper;\n}();\nvar Shared = function() {\n function Shared(editor, props) {\n this.editor = editor;\n this.props = props;\n }\n Shared.prototype.delegateCursor = function(position, scroll, focus) {\n var doc = this.editor.getDoc();\n if (focus) {\n this.editor.focus();\n }\n scroll ? doc.setCursor(position) : doc.setCursor(position, null, {\n scroll: false\n });\n };\n Shared.prototype.delegateScroll = function(coordinates) {\n this.editor.scrollTo(coordinates.x, coordinates.y);\n };\n Shared.prototype.delegateSelection = function(ranges, focus) {\n this.editor.setSelections(ranges);\n if (focus) {\n this.editor.focus();\n }\n };\n Shared.prototype.apply = function(props) {\n if (props && props.selection && props.selection.ranges) {\n this.delegateSelection(props.selection.ranges, props.selection.focus || false);\n }\n if (props && props.cursor) {\n this.delegateCursor(props.cursor, props.autoScroll || false, this.editor.getOption('autofocus') || false);\n }\n if (props && props.scroll) {\n this.delegateScroll(props.scroll);\n }\n };\n Shared.prototype.applyNext = function(props, next, preserved) {\n if (props && props.selection && props.selection.ranges) {\n if (next && next.selection && next.selection.ranges && !Helper.equals(props.selection.ranges, next.selection.ranges)) {\n this.delegateSelection(next.selection.ranges, next.selection.focus || false);\n }\n }\n if (props && props.cursor) {\n if (next && next.cursor && !Helper.equals(props.cursor, next.cursor)) {\n this.delegateCursor(preserved.cursor || next.cursor, next.autoScroll || false, next.autoCursor || false);\n }\n }\n if (props && props.scroll) {\n if (next && next.scroll && !Helper.equals(props.scroll, next.scroll)) {\n this.delegateScroll(next.scroll);\n }\n }\n };\n Shared.prototype.applyUserDefined = function(props, preserved) {\n if (preserved && preserved.cursor) {\n this.delegateCursor(preserved.cursor, props.autoScroll || false, this.editor.getOption('autofocus') || false);\n }\n };\n Shared.prototype.wire = function(props) {\n var _this = this;\n Object.keys(props || {}).filter(function(p) {\n return (/^on/.test(p));\n }).forEach(function(prop) {\n switch (prop) {\n case 'onBlur':\n {\n _this.editor.on('blur', function(cm, event) {\n _this.props.onBlur(_this.editor, event);\n });\n }\n break;\n case 'onContextMenu':\n {\n _this.editor.on('contextmenu', function(cm, event) {\n _this.props.onContextMenu(_this.editor, event);\n });\n break;\n }\n case 'onCopy':\n {\n _this.editor.on('copy', function(cm, event) {\n _this.props.onCopy(_this.editor, event);\n });\n break;\n }\n case 'onCursor':\n {\n _this.editor.on('cursorActivity', function(cm) {\n _this.props.onCursor(_this.editor, _this.editor.getCursor());\n });\n }\n break;\n case 'onCursorActivity':\n {\n _this.editor.on('cursorActivity', function(cm) {\n _this.props.onCursorActivity(_this.editor);\n });\n }\n break;\n case 'onCut':\n {\n _this.editor.on('cut', function(cm, event) {\n _this.props.onCut(_this.editor, event);\n });\n break;\n }\n case 'onDblClick':\n {\n _this.editor.on('dblclick', function(cm, event) {\n _this.props.onDblClick(_this.editor, event);\n });\n break;\n }\n case 'onDragEnter':\n {\n _this.editor.on('dragenter', function(cm, event) {\n _this.props.onDragEnter(_this.editor, event);\n });\n }\n break;\n case 'onDragLeave':\n {\n _this.editor.on('dragleave', function(cm, event) {\n _this.props.onDragLeave(_this.editor, event);\n });\n break;\n }\n case 'onDragOver':\n {\n _this.editor.on('dragover', function(cm, event) {\n _this.props.onDragOver(_this.editor, event);\n });\n }\n break;\n case 'onDragStart':\n {\n _this.editor.on('dragstart', function(cm, event) {\n _this.props.onDragStart(_this.editor, event);\n });\n break;\n }\n case 'onDrop':\n {\n _this.editor.on('drop', function(cm, event) {\n _this.props.onDrop(_this.editor, event);\n });\n }\n break;\n case 'onFocus':\n {\n _this.editor.on('focus', function(cm, event) {\n _this.props.onFocus(_this.editor, event);\n });\n }\n break;\n case 'onGutterClick':\n {\n _this.editor.on('gutterClick', function(cm, lineNumber, gutter, event) {\n _this.props.onGutterClick(_this.editor, lineNumber, gutter, event);\n });\n }\n break;\n case 'onKeyDown':\n {\n _this.editor.on('keydown', function(cm, event) {\n _this.props.onKeyDown(_this.editor, event);\n });\n }\n break;\n case 'onKeyPress':\n {\n _this.editor.on('keypress', function(cm, event) {\n _this.props.onKeyPress(_this.editor, event);\n });\n }\n break;\n case 'onKeyUp':\n {\n _this.editor.on('keyup', function(cm, event) {\n _this.props.onKeyUp(_this.editor, event);\n });\n }\n break;\n case 'onMouseDown':\n {\n _this.editor.on('mousedown', function(cm, event) {\n _this.props.onMouseDown(_this.editor, event);\n });\n break;\n }\n case 'onPaste':\n {\n _this.editor.on('paste', function(cm, event) {\n _this.props.onPaste(_this.editor, event);\n });\n break;\n }\n case 'onRenderLine':\n {\n _this.editor.on('renderLine', function(cm, line, element) {\n _this.props.onRenderLine(_this.editor, line, element);\n });\n break;\n }\n case 'onScroll':\n {\n _this.editor.on('scroll', function(cm) {\n _this.props.onScroll(_this.editor, _this.editor.getScrollInfo());\n });\n }\n break;\n case 'onSelection':\n {\n _this.editor.on('beforeSelectionChange', function(cm, data) {\n _this.props.onSelection(_this.editor, data);\n });\n }\n break;\n case 'onTouchStart':\n {\n _this.editor.on('touchstart', function(cm, event) {\n _this.props.onTouchStart(_this.editor, event);\n });\n break;\n }\n case 'onUpdate':\n {\n _this.editor.on('update', function(cm) {\n _this.props.onUpdate(_this.editor);\n });\n }\n break;\n case 'onViewportChange':\n {\n _this.editor.on('viewportChange', function(cm, from, to) {\n _this.props.onViewportChange(_this.editor, from, to);\n });\n }\n break;\n }\n });\n };\n return Shared;\n}();\nvar Controlled = function(_super) {\n __extends(Controlled, _super);\n\n function Controlled(props) {\n var _this = _super.call(this, props) || this;\n if (SERVER_RENDERED) return _this;\n _this.applied = false;\n _this.appliedNext = false;\n _this.appliedUserDefined = false;\n _this.deferred = null;\n _this.emulating = false;\n _this.hydrated = false;\n _this.initCb = function() {\n if (_this.props.editorDidConfigure) {\n _this.props.editorDidConfigure(_this.editor);\n }\n };\n _this.mounted = false;\n return _this;\n }\n Controlled.prototype.hydrate = function(props) {\n var _this = this;\n var userDefinedOptions = _extends({}, cm.defaults, this.editor.options, props.options || {});\n var optionDelta = Object.keys(userDefinedOptions).some(function(key) {\n return _this.editor.getOption(key) !== userDefinedOptions[key];\n });\n if (optionDelta) {\n Object.keys(userDefinedOptions).forEach(function(key) {\n if (props.options.hasOwnProperty(key)) {\n if (_this.editor.getOption(key) !== userDefinedOptions[key]) {\n _this.editor.setOption(key, userDefinedOptions[key]);\n _this.mirror.setOption(key, userDefinedOptions[key]);\n }\n }\n });\n }\n if (!this.hydrated) {\n if (!this.mounted) {\n this.initChange(props.value || '');\n } else {\n if (this.deferred) {\n this.resolveChange();\n } else {\n this.initChange(props.value || '');\n }\n }\n }\n this.hydrated = true;\n };\n Controlled.prototype.initChange = function(value) {\n this.emulating = true;\n var lastLine = this.editor.lastLine();\n var lastChar = this.editor.getLine(this.editor.lastLine()).length;\n this.editor.replaceRange(value || '', {\n line: 0,\n ch: 0\n }, {\n line: lastLine,\n ch: lastChar\n });\n this.mirror.setValue(value);\n this.editor.clearHistory();\n this.mirror.clearHistory();\n this.emulating = false;\n };\n Controlled.prototype.resolveChange = function() {\n this.emulating = true;\n if (this.deferred.origin === 'undo') {\n this.editor.undo();\n } else if (this.deferred.origin === 'redo') {\n this.editor.redo();\n } else {\n this.editor.replaceRange(this.deferred.text, this.deferred.from, this.deferred.to, this.deferred.origin);\n }\n this.emulating = false;\n this.deferred = null;\n };\n Controlled.prototype.mirrorChange = function(deferred) {\n if (deferred.origin === 'undo') {\n this.editor.setHistory(this.mirror.getHistory());\n this.mirror.undo();\n } else if (deferred.origin === 'redo') {\n this.editor.setHistory(this.mirror.getHistory());\n this.mirror.redo();\n } else {\n this.mirror.replaceRange(deferred.text, deferred.from, deferred.to, deferred.origin);\n }\n return this.mirror.getValue();\n };\n Controlled.prototype.componentWillMount = function() {\n if (SERVER_RENDERED) return;\n if (this.props.editorWillMount) {\n this.props.editorWillMount();\n }\n };\n Controlled.prototype.componentDidMount = function() {\n var _this = this;\n if (SERVER_RENDERED) return;\n if (this.props.defineMode) {\n if (this.props.defineMode.name && this.props.defineMode.fn) {\n cm.defineMode(this.props.defineMode.name, this.props.defineMode.fn);\n }\n }\n this.editor = cm(this.ref);\n this.shared = new Shared(this.editor, this.props);\n this.mirror = cm(function() {});\n this.editor.on('electricInput', function() {\n _this.mirror.setHistory(_this.editor.getHistory());\n });\n this.editor.on('cursorActivity', function() {\n _this.mirror.setCursor(_this.editor.getCursor());\n });\n this.editor.on('beforeChange', function(cm, data) {\n if (_this.emulating) {\n return;\n }\n data.cancel();\n _this.deferred = data;\n var phantomChange = _this.mirrorChange(_this.deferred);\n if (_this.props.onBeforeChange) _this.props.onBeforeChange(_this.editor, _this.deferred, phantomChange);\n });\n this.editor.on('change', function(cm, data) {\n if (!_this.mounted) {\n return;\n }\n if (_this.props.onChange) {\n _this.props.onChange(_this.editor, data, _this.editor.getValue());\n }\n });\n this.hydrate(this.props);\n this.shared.apply(this.props);\n this.applied = true;\n this.mounted = true;\n this.shared.wire(this.props);\n if (this.editor.getOption('autofocus')) {\n this.editor.focus();\n }\n if (this.props.editorDidMount) {\n this.props.editorDidMount(this.editor, this.editor.getValue(), this.initCb);\n }\n };\n Controlled.prototype.componentWillReceiveProps = function(nextProps) {\n if (SERVER_RENDERED) return;\n var preserved = {\n cursor: null\n };\n if (nextProps.value !== this.props.value) {\n this.hydrated = false;\n }\n if (!this.props.autoCursor && this.props.autoCursor !== undefined) {\n preserved.cursor = this.editor.getCursor();\n }\n this.hydrate(nextProps);\n if (!this.appliedNext) {\n this.shared.applyNext(this.props, nextProps, preserved);\n this.appliedNext = true;\n }\n this.shared.applyUserDefined(this.props, preserved);\n this.appliedUserDefined = true;\n };\n Controlled.prototype.componentWillUnmount = function() {\n if (SERVER_RENDERED) return;\n if (this.props.editorWillUnmount) {\n this.props.editorWillUnmount(cm);\n }\n };\n Controlled.prototype.shouldComponentUpdate = function(nextProps, nextState) {\n return !SERVER_RENDERED;\n };\n Controlled.prototype.render = function() {\n var _this = this;\n if (SERVER_RENDERED) return null;\n var className = this.props.className ? 'react-codemirror2 ' + this.props.className : 'react-codemirror2';\n return React.createElement('div', {\n className: className,\n ref: function ref(self) {\n return _this.ref = self;\n }\n });\n };\n return Controlled;\n}(React.Component);\nexports.Controlled = Controlled;\nvar UnControlled = function(_super) {\n __extends(UnControlled, _super);\n\n function UnControlled(props) {\n var _this = _super.call(this, props) || this;\n if (SERVER_RENDERED) return _this;\n _this.applied = false;\n _this.appliedUserDefined = false;\n _this.continueChange = false;\n _this.detached = false;\n _this.hydrated = false;\n _this.initCb = function() {\n if (_this.props.editorDidConfigure) {\n _this.props.editorDidConfigure(_this.editor);\n }\n };\n _this.mounted = false;\n _this.onBeforeChangeCb = function() {\n _this.continueChange = true;\n };\n return _this;\n }\n UnControlled.prototype.hydrate = function(props) {\n var _this = this;\n var userDefinedOptions = _extends({}, cm.defaults, this.editor.options, props.options || {});\n var optionDelta = Object.keys(userDefinedOptions).some(function(key) {\n return _this.editor.getOption(key) !== userDefinedOptions[key];\n });\n if (optionDelta) {\n Object.keys(userDefinedOptions).forEach(function(key) {\n if (props.options.hasOwnProperty(key)) {\n if (_this.editor.getOption(key) !== userDefinedOptions[key]) {\n _this.editor.setOption(key, userDefinedOptions[key]);\n }\n }\n });\n }\n if (!this.hydrated) {\n var lastLine = this.editor.lastLine();\n var lastChar = this.editor.getLine(this.editor.lastLine()).length;\n this.editor.replaceRange(props.value || '', {\n line: 0,\n ch: 0\n }, {\n line: lastLine,\n ch: lastChar\n });\n }\n this.hydrated = true;\n };\n UnControlled.prototype.componentWillMount = function() {\n if (SERVER_RENDERED) return;\n if (this.props.editorWillMount) {\n this.props.editorWillMount();\n }\n };\n UnControlled.prototype.componentDidMount = function() {\n var _this = this;\n if (SERVER_RENDERED) return;\n this.detached = this.props.detach === true;\n if (this.props.defineMode) {\n if (this.props.defineMode.name && this.props.defineMode.fn) {\n cm.defineMode(this.props.defineMode.name, this.props.defineMode.fn);\n }\n }\n this.editor = cm(this.ref);\n this.shared = new Shared(this.editor, this.props);\n this.editor.on('beforeChange', function(cm, data) {\n if (_this.props.onBeforeChange) {\n _this.props.onBeforeChange(_this.editor, data, _this.editor.getValue(), _this.onBeforeChangeCb);\n }\n });\n this.editor.on('change', function(cm, data) {\n if (!_this.mounted || !_this.props.onChange) {\n return;\n }\n if (_this.props.onBeforeChange) {\n if (_this.continueChange) {\n _this.props.onChange(_this.editor, data, _this.editor.getValue());\n }\n } else {\n _this.props.onChange(_this.editor, data, _this.editor.getValue());\n }\n });\n this.hydrate(this.props);\n this.shared.apply(this.props);\n this.applied = true;\n this.mounted = true;\n this.shared.wire(this.props);\n this.editor.clearHistory();\n if (this.props.editorDidMount) {\n this.props.editorDidMount(this.editor, this.editor.getValue(), this.initCb);\n }\n };\n UnControlled.prototype.componentWillReceiveProps = function(nextProps) {\n if (this.detached && nextProps.detach === false) {\n this.detached = false;\n if (this.props.editorDidAttach) {\n this.props.editorDidAttach(this.editor);\n }\n }\n if (!this.detached && nextProps.detach === true) {\n this.detached = true;\n if (this.props.editorDidDetach) {\n this.props.editorDidDetach(this.editor);\n }\n }\n if (SERVER_RENDERED || this.detached) return;\n var preserved = {\n cursor: null\n };\n if (nextProps.value !== this.props.value) {\n this.hydrated = false;\n this.applied = false;\n this.appliedUserDefined = false;\n }\n if (!this.props.autoCursor && this.props.autoCursor !== undefined) {\n preserved.cursor = this.editor.getCursor();\n }\n this.hydrate(nextProps);\n if (!this.applied) {\n this.shared.apply(this.props);\n this.applied = true;\n }\n if (!this.appliedUserDefined) {\n this.shared.applyUserDefined(this.props, preserved);\n this.appliedUserDefined = true;\n }\n };\n UnControlled.prototype.componentWillUnmount = function() {\n if (SERVER_RENDERED) return;\n if (this.props.editorWillUnmount) {\n this.props.editorWillUnmount(cm);\n }\n };\n UnControlled.prototype.shouldComponentUpdate = function(nextProps, nextState) {\n var update = true;\n if (SERVER_RENDERED) update = false;\n if (this.detached) update = false;\n return update;\n };\n UnControlled.prototype.render = function() {\n var _this = this;\n if (SERVER_RENDERED) return null;\n var className = this.props.className ? 'react-codemirror2 ' + this.props.className : 'react-codemirror2';\n return React.createElement('div', {\n className: className,\n ref: function ref(self) {\n return _this.ref = self;\n }\n });\n };\n return UnControlled;\n}(React.Component);\nexports.UnControlled = UnControlled;\n/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../webpack/buildin/global.js */ \"./node_modules/webpack/buildin/global.js\")))\n\n//# sourceURL=webpack:///./node_modules/react-codemirror2/index.js?");
-
-/***/ }),
-
-/***/ "./node_modules/react-styleguidist/lib/rsg-components/Editor/Editor.js":
-/*!*****************************************************************************!*\
- !*** ./node_modules/react-styleguidist/lib/rsg-components/Editor/Editor.js ***!
- \*****************************************************************************/
-/*! exports provided: Editor, default */
-/***/ (function(module, __webpack_exports__, __webpack_require__) {
-
-"use strict";
-eval("__webpack_require__.r(__webpack_exports__);\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Editor\", function() { return Editor; });\n/* harmony import */ var react__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! react */ \"./node_modules/react/index.js\");\n/* harmony import */ var react__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(react__WEBPACK_IMPORTED_MODULE_0__);\n/* harmony import */ var prop_types__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! prop-types */ \"./node_modules/prop-types/index.js\");\n/* harmony import */ var prop_types__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(prop_types__WEBPACK_IMPORTED_MODULE_1__);\n/* harmony import */ var rsg_components_Styled__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! rsg-components/Styled */ \"./node_modules/react-styleguidist/lib/rsg-components/Styled/index.js\");\n/* harmony import */ var lodash_debounce__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! lodash/debounce */ \"./node_modules/lodash/debounce.js\");\n/* harmony import */ var lodash_debounce__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(lodash_debounce__WEBPACK_IMPORTED_MODULE_3__);\n/* harmony import */ var react_codemirror2__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! react-codemirror2 */ \"./node_modules/react-codemirror2/index.js\");\n/* harmony import */ var react_codemirror2__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(react_codemirror2__WEBPACK_IMPORTED_MODULE_4__);\n/* harmony import */ var codemirror_mode_jsx_jsx__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! codemirror/mode/jsx/jsx */ \"./node_modules/codemirror/mode/jsx/jsx.js\");\n/* harmony import */ var codemirror_mode_jsx_jsx__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(codemirror_mode_jsx_jsx__WEBPACK_IMPORTED_MODULE_5__);\nvar _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\n\n\n\n\n\n\n\n// We’re explicitly specifying Webpack loaders here so we could skip specifying them in Webpack configuration.\n// That way we could avoid clashes between our loaders and user loaders.\n// eslint-disable-next-line import/no-unresolved\n__webpack_require__(/*! !../../../loaders/style-loader!../../../loaders/css-loader!codemirror/lib/codemirror.css */ \"./node_modules/react-styleguidist/loaders/style-loader.js!./node_modules/react-styleguidist/loaders/css-loader.js!./node_modules/codemirror/lib/codemirror.css\");\n// eslint-disable-next-line import/no-unresolved\n__webpack_require__(/*! !../../../loaders/style-loader!../../../loaders/css-loader!rsg-codemirror-theme.css */ \"./node_modules/react-styleguidist/loaders/style-loader.js!./node_modules/react-styleguidist/loaders/css-loader.js!./node_modules/codemirror/theme/base16-light.css\");\n\nvar UPDATE_DELAY = 10;\n\nvar styles = function styles(_ref) {\n\tvar fontFamily = _ref.fontFamily,\n\t space = _ref.space,\n\t fontSize = _ref.fontSize;\n\treturn {\n\t\troot: {\n\t\t\t'& .CodeMirror': {\n\t\t\t\tisolate: false,\n\t\t\t\tfontFamily: fontFamily.monospace,\n\t\t\t\theight: 'auto',\n\t\t\t\tpadding: [[space[1], space[2]]],\n\t\t\t\tfontSize: fontSize.small\n\t\t\t},\n\t\t\t'& .CodeMirror pre': {\n\t\t\t\tisolate: false,\n\t\t\t\tpadding: 0\n\t\t\t},\n\t\t\t'& .CodeMirror-scroll': {\n\t\t\t\tisolate: false,\n\t\t\t\theight: 'auto',\n\t\t\t\toverflowY: 'hidden',\n\t\t\t\toverflowX: 'auto'\n\t\t\t},\n\t\t\t'& .cm-error': {\n\t\t\t\tisolate: false,\n\t\t\t\tbackground: 'none'\n\t\t\t}\n\t\t}\n\t};\n};\n\nvar Editor = function (_Component) {\n\t_inherits(Editor, _Component);\n\n\tfunction Editor() {\n\t\t_classCallCheck(this, Editor);\n\n\t\tvar _this = _possibleConstructorReturn(this, (Editor.__proto__ || Object.getPrototypeOf(Editor)).call(this));\n\n\t\t_this.handleChange = lodash_debounce__WEBPACK_IMPORTED_MODULE_3___default()(_this.handleChange.bind(_this), UPDATE_DELAY);\n\t\treturn _this;\n\t}\n\n\t_createClass(Editor, [{\n\t\tkey: 'shouldComponentUpdate',\n\t\tvalue: function shouldComponentUpdate(nextProps) {\n\t\t\treturn !!(this.getEditorConfig(nextProps).readOnly && nextProps.code !== this.props.code);\n\t\t}\n\t}, {\n\t\tkey: 'getEditorConfig',\n\t\tvalue: function getEditorConfig(props) {\n\t\t\treturn _extends({}, this.context.config.editorConfig, props.editorConfig);\n\t\t}\n\t}, {\n\t\tkey: 'handleChange',\n\t\tvalue: function handleChange(editor, metadata, newCode) {\n\t\t\tvar onChange = this.props.onChange;\n\n\t\t\tif (onChange) {\n\t\t\t\tonChange(newCode);\n\t\t\t}\n\t\t}\n\t}, {\n\t\tkey: 'render',\n\t\tvalue: function render() {\n\t\t\tvar _props = this.props,\n\t\t\t code = _props.code,\n\t\t\t classes = _props.classes;\n\n\t\t\treturn react__WEBPACK_IMPORTED_MODULE_0___default.a.createElement(react_codemirror2__WEBPACK_IMPORTED_MODULE_4__[\"UnControlled\"], {\n\t\t\t\tclassName: classes.root,\n\t\t\t\tvalue: code,\n\t\t\t\tonChange: this.handleChange,\n\t\t\t\toptions: this.getEditorConfig(this.props)\n\t\t\t});\n\t\t}\n\t}]);\n\n\treturn Editor;\n}(react__WEBPACK_IMPORTED_MODULE_0__[\"Component\"]);\n\nEditor.propTypes = {\n\tcode: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.string.isRequired,\n\tonChange: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.func,\n\teditorConfig: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.object,\n\tclasses: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.object.isRequired\n};\nEditor.contextTypes = {\n\tconfig: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.object.isRequired\n};\n/* harmony default export */ __webpack_exports__[\"default\"] = (Object(rsg_components_Styled__WEBPACK_IMPORTED_MODULE_2__[\"default\"])(styles)(Editor));\n\n//# sourceURL=webpack:///./node_modules/react-styleguidist/lib/rsg-components/Editor/Editor.js?");
-
-/***/ }),
-
-/***/ "./node_modules/react-styleguidist/loaders/css-loader.js!./node_modules/codemirror/lib/codemirror.css":
-/*!************************************************************************************************************!*\
- !*** ./node_modules/react-styleguidist/loaders/css-loader.js!./node_modules/codemirror/lib/codemirror.css ***!
- \************************************************************************************************************/
-/*! no static exports found */
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-eval("\n\nvar invalidPrototcolRegex = /^(%20|\\s)*(javascript|data)/im;\nvar ctrlCharactersRegex = /[^\\x20-\\x7E]/gmi;\nvar urlSchemeRegex = /^([^:]+):/gm;\nvar relativeFirstCharacters = ['.', '/']\n\nfunction isRelativeUrl(url) {\n return relativeFirstCharacters.indexOf(url[0]) > -1;\n}\n\nfunction sanitizeUrl(url) {\n if (!url) {\n return 'about:blank';\n }\n\n var urlScheme, urlSchemeParseResults;\n var sanitizedUrl = url.replace(ctrlCharactersRegex, '').trim();\n\n if (isRelativeUrl(sanitizedUrl)) {\n return sanitizedUrl;\n }\n\n urlSchemeParseResults = sanitizedUrl.match(urlSchemeRegex);\n\n if (!urlSchemeParseResults) {\n return 'about:blank';\n }\n\n urlScheme = urlSchemeParseResults[0];\n\n if (invalidPrototcolRegex.test(urlScheme)) {\n return 'about:blank';\n }\n\n return sanitizedUrl;\n}\n\nmodule.exports = {\n sanitizeUrl: sanitizeUrl\n};\n\n\n//# sourceURL=webpack:///./node_modules/@braintree/sanitize-url/index.js?");
-
-/***/ }),
-
-/***/ "./node_modules/@fortawesome/fontawesome-svg-core/index.es.js":
-/*!********************************************************************!*\
- !*** ./node_modules/@fortawesome/fontawesome-svg-core/index.es.js ***!
- \********************************************************************/
-/*! exports provided: icon, noAuto, config, toHtml, layer, text, counter, library, dom, parse, findIconDefinition */
-/***/ (function(module, __webpack_exports__, __webpack_require__) {
-
-"use strict";
-eval("__webpack_require__.r(__webpack_exports__);\n/* WEBPACK VAR INJECTION */(function(global, setImmediate) {/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"icon\", function() { return icon; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"noAuto\", function() { return noAuto; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"config\", function() { return config; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"toHtml\", function() { return toHtml; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"layer\", function() { return layer; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"text\", function() { return text; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"counter\", function() { return counter; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"library\", function() { return library; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"dom\", function() { return dom; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"parse\", function() { return parse; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"findIconDefinition\", function() { return findIconDefinition; });\nfunction _typeof(obj) {\n if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") {\n _typeof = function (obj) {\n return typeof obj;\n };\n } else {\n _typeof = function (obj) {\n return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n };\n }\n\n return _typeof(obj);\n}\n\nfunction _classCallCheck(instance, Constructor) {\n if (!(instance instanceof Constructor)) {\n throw new TypeError(\"Cannot call a class as a function\");\n }\n}\n\nfunction _defineProperties(target, props) {\n for (var i = 0; i < props.length; i++) {\n var descriptor = props[i];\n descriptor.enumerable = descriptor.enumerable || false;\n descriptor.configurable = true;\n if (\"value\" in descriptor) descriptor.writable = true;\n Object.defineProperty(target, descriptor.key, descriptor);\n }\n}\n\nfunction _createClass(Constructor, protoProps, staticProps) {\n if (protoProps) _defineProperties(Constructor.prototype, protoProps);\n if (staticProps) _defineProperties(Constructor, staticProps);\n return Constructor;\n}\n\nfunction _defineProperty(obj, key, value) {\n if (key in obj) {\n Object.defineProperty(obj, key, {\n value: value,\n enumerable: true,\n configurable: true,\n writable: true\n });\n } else {\n obj[key] = value;\n }\n\n return obj;\n}\n\nfunction _objectSpread(target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i] != null ? arguments[i] : {};\n var ownKeys = Object.keys(source);\n\n if (typeof Object.getOwnPropertySymbols === 'function') {\n ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {\n return Object.getOwnPropertyDescriptor(source, sym).enumerable;\n }));\n }\n\n ownKeys.forEach(function (key) {\n _defineProperty(target, key, source[key]);\n });\n }\n\n return target;\n}\n\nfunction _slicedToArray(arr, i) {\n return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();\n}\n\nfunction _toConsumableArray(arr) {\n return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();\n}\n\nfunction _arrayWithoutHoles(arr) {\n if (Array.isArray(arr)) {\n for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];\n\n return arr2;\n }\n}\n\nfunction _arrayWithHoles(arr) {\n if (Array.isArray(arr)) return arr;\n}\n\nfunction _iterableToArray(iter) {\n if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === \"[object Arguments]\") return Array.from(iter);\n}\n\nfunction _iterableToArrayLimit(arr, i) {\n var _arr = [];\n var _n = true;\n var _d = false;\n var _e = undefined;\n\n try {\n for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {\n _arr.push(_s.value);\n\n if (i && _arr.length === i) break;\n }\n } catch (err) {\n _d = true;\n _e = err;\n } finally {\n try {\n if (!_n && _i[\"return\"] != null) _i[\"return\"]();\n } finally {\n if (_d) throw _e;\n }\n }\n\n return _arr;\n}\n\nfunction _nonIterableSpread() {\n throw new TypeError(\"Invalid attempt to spread non-iterable instance\");\n}\n\nfunction _nonIterableRest() {\n throw new TypeError(\"Invalid attempt to destructure non-iterable instance\");\n}\n\nvar noop = function noop() {};\n\nvar _WINDOW = {};\nvar _DOCUMENT = {};\nvar _MUTATION_OBSERVER = null;\nvar _PERFORMANCE = {\n mark: noop,\n measure: noop\n};\n\ntry {\n if (typeof window !== 'undefined') _WINDOW = window;\n if (typeof document !== 'undefined') _DOCUMENT = document;\n if (typeof MutationObserver !== 'undefined') _MUTATION_OBSERVER = MutationObserver;\n if (typeof performance !== 'undefined') _PERFORMANCE = performance;\n} catch (e) {}\n\nvar _ref = _WINDOW.navigator || {},\n _ref$userAgent = _ref.userAgent,\n userAgent = _ref$userAgent === void 0 ? '' : _ref$userAgent;\n\nvar WINDOW = _WINDOW;\nvar DOCUMENT = _DOCUMENT;\nvar MUTATION_OBSERVER = _MUTATION_OBSERVER;\nvar PERFORMANCE = _PERFORMANCE;\nvar IS_BROWSER = !!WINDOW.document;\nvar IS_DOM = !!DOCUMENT.documentElement && !!DOCUMENT.head && typeof DOCUMENT.addEventListener === 'function' && typeof DOCUMENT.createElement === 'function';\nvar IS_IE = ~userAgent.indexOf('MSIE') || ~userAgent.indexOf('Trident/');\n\nvar NAMESPACE_IDENTIFIER = '___FONT_AWESOME___';\nvar UNITS_IN_GRID = 16;\nvar DEFAULT_FAMILY_PREFIX = 'fa';\nvar DEFAULT_REPLACEMENT_CLASS = 'svg-inline--fa';\nvar DATA_FA_I2SVG = 'data-fa-i2svg';\nvar DATA_FA_PSEUDO_ELEMENT = 'data-fa-pseudo-element';\nvar DATA_FA_PSEUDO_ELEMENT_PENDING = 'data-fa-pseudo-element-pending';\nvar DATA_PREFIX = 'data-prefix';\nvar DATA_ICON = 'data-icon';\nvar HTML_CLASS_I2SVG_BASE_CLASS = 'fontawesome-i2svg';\nvar MUTATION_APPROACH_ASYNC = 'async';\nvar TAGNAMES_TO_SKIP_FOR_PSEUDOELEMENTS = ['HTML', 'HEAD', 'STYLE', 'SCRIPT'];\nvar PRODUCTION = function () {\n try {\n return \"production\" === 'production';\n } catch (e) {\n return false;\n }\n}();\nvar PREFIX_TO_STYLE = {\n 'fas': 'solid',\n 'far': 'regular',\n 'fal': 'light',\n 'fab': 'brands',\n 'fa': 'solid'\n};\nvar STYLE_TO_PREFIX = {\n 'solid': 'fas',\n 'regular': 'far',\n 'light': 'fal',\n 'brands': 'fab'\n};\nvar LAYERS_TEXT_CLASSNAME = 'fa-layers-text';\nvar FONT_FAMILY_PATTERN = /Font Awesome 5 (Solid|Regular|Light|Brands|Free|Pro)/;\nvar FONT_WEIGHT_TO_PREFIX = {\n '900': 'fas',\n '400': 'far',\n 'normal': 'far',\n '300': 'fal'\n};\nvar oneToTen = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];\nvar oneToTwenty = oneToTen.concat([11, 12, 13, 14, 15, 16, 17, 18, 19, 20]);\nvar ATTRIBUTES_WATCHED_FOR_MUTATION = ['class', 'data-prefix', 'data-icon', 'data-fa-transform', 'data-fa-mask'];\nvar RESERVED_CLASSES = ['xs', 'sm', 'lg', 'fw', 'ul', 'li', 'border', 'pull-left', 'pull-right', 'spin', 'pulse', 'rotate-90', 'rotate-180', 'rotate-270', 'flip-horizontal', 'flip-vertical', 'flip-both', 'stack', 'stack-1x', 'stack-2x', 'inverse', 'layers', 'layers-text', 'layers-counter'].concat(oneToTen.map(function (n) {\n return \"\".concat(n, \"x\");\n})).concat(oneToTwenty.map(function (n) {\n return \"w-\".concat(n);\n}));\n\nvar initial = WINDOW.FontAwesomeConfig || {};\n\nfunction getAttrConfig(attr) {\n var element = DOCUMENT.querySelector('script[' + attr + ']');\n\n if (element) {\n return element.getAttribute(attr);\n }\n}\n\nfunction coerce(val) {\n // Getting an empty string will occur if the attribute is set on the HTML tag but without a value\n // We'll assume that this is an indication that it should be toggled to true\n // For example \n if (val === '') return true;\n if (val === 'false') return false;\n if (val === 'true') return true;\n return val;\n}\n\nif (DOCUMENT && typeof DOCUMENT.querySelector === 'function') {\n var attrs = [['data-family-prefix', 'familyPrefix'], ['data-replacement-class', 'replacementClass'], ['data-auto-replace-svg', 'autoReplaceSvg'], ['data-auto-add-css', 'autoAddCss'], ['data-auto-a11y', 'autoA11y'], ['data-search-pseudo-elements', 'searchPseudoElements'], ['data-observe-mutations', 'observeMutations'], ['data-mutate-approach', 'mutateApproach'], ['data-keep-original-source', 'keepOriginalSource'], ['data-measure-performance', 'measurePerformance'], ['data-show-missing-icons', 'showMissingIcons']];\n attrs.forEach(function (_ref) {\n var _ref2 = _slicedToArray(_ref, 2),\n attr = _ref2[0],\n key = _ref2[1];\n\n var val = coerce(getAttrConfig(attr));\n\n if (val !== undefined && val !== null) {\n initial[key] = val;\n }\n });\n}\n\nvar _default = {\n familyPrefix: DEFAULT_FAMILY_PREFIX,\n replacementClass: DEFAULT_REPLACEMENT_CLASS,\n autoReplaceSvg: true,\n autoAddCss: true,\n autoA11y: true,\n searchPseudoElements: false,\n observeMutations: true,\n mutateApproach: 'async',\n keepOriginalSource: true,\n measurePerformance: false,\n showMissingIcons: true\n};\n\nvar _config = _objectSpread({}, _default, initial);\n\nif (!_config.autoReplaceSvg) _config.observeMutations = false;\n\nvar config = _objectSpread({}, _config);\n\nWINDOW.FontAwesomeConfig = config;\n\nvar w = WINDOW || {};\nif (!w[NAMESPACE_IDENTIFIER]) w[NAMESPACE_IDENTIFIER] = {};\nif (!w[NAMESPACE_IDENTIFIER].styles) w[NAMESPACE_IDENTIFIER].styles = {};\nif (!w[NAMESPACE_IDENTIFIER].hooks) w[NAMESPACE_IDENTIFIER].hooks = {};\nif (!w[NAMESPACE_IDENTIFIER].shims) w[NAMESPACE_IDENTIFIER].shims = [];\nvar namespace = w[NAMESPACE_IDENTIFIER];\n\nvar functions = [];\n\nvar listener = function listener() {\n DOCUMENT.removeEventListener('DOMContentLoaded', listener);\n loaded = 1;\n functions.map(function (fn) {\n return fn();\n });\n};\n\nvar loaded = false;\n\nif (IS_DOM) {\n loaded = (DOCUMENT.documentElement.doScroll ? /^loaded|^c/ : /^loaded|^i|^c/).test(DOCUMENT.readyState);\n if (!loaded) DOCUMENT.addEventListener('DOMContentLoaded', listener);\n}\n\nfunction domready (fn) {\n if (!IS_DOM) return;\n loaded ? setTimeout(fn, 0) : functions.push(fn);\n}\n\nvar PENDING = 'pending';\nvar SETTLED = 'settled';\nvar FULFILLED = 'fulfilled';\nvar REJECTED = 'rejected';\n\nvar NOOP = function NOOP() {};\n\nvar isNode = typeof global !== 'undefined' && typeof global.process !== 'undefined' && typeof global.process.emit === 'function';\nvar asyncSetTimer = typeof setImmediate === 'undefined' ? setTimeout : setImmediate;\nvar asyncQueue = [];\nvar asyncTimer;\n\nfunction asyncFlush() {\n // run promise callbacks\n for (var i = 0; i < asyncQueue.length; i++) {\n asyncQueue[i][0](asyncQueue[i][1]);\n } // reset async asyncQueue\n\n\n asyncQueue = [];\n asyncTimer = false;\n}\n\nfunction asyncCall(callback, arg) {\n asyncQueue.push([callback, arg]);\n\n if (!asyncTimer) {\n asyncTimer = true;\n asyncSetTimer(asyncFlush, 0);\n }\n}\n\nfunction invokeResolver(resolver, promise) {\n function resolvePromise(value) {\n resolve(promise, value);\n }\n\n function rejectPromise(reason) {\n reject(promise, reason);\n }\n\n try {\n resolver(resolvePromise, rejectPromise);\n } catch (e) {\n rejectPromise(e);\n }\n}\n\nfunction invokeCallback(subscriber) {\n var owner = subscriber.owner;\n var settled = owner._state;\n var value = owner._data;\n var callback = subscriber[settled];\n var promise = subscriber.then;\n\n if (typeof callback === 'function') {\n settled = FULFILLED;\n\n try {\n value = callback(value);\n } catch (e) {\n reject(promise, e);\n }\n }\n\n if (!handleThenable(promise, value)) {\n if (settled === FULFILLED) {\n resolve(promise, value);\n }\n\n if (settled === REJECTED) {\n reject(promise, value);\n }\n }\n}\n\nfunction handleThenable(promise, value) {\n var resolved;\n\n try {\n if (promise === value) {\n throw new TypeError('A promises callback cannot return that same promise.');\n }\n\n if (value && (typeof value === 'function' || _typeof(value) === 'object')) {\n // then should be retrieved only once\n var then = value.then;\n\n if (typeof then === 'function') {\n then.call(value, function (val) {\n if (!resolved) {\n resolved = true;\n\n if (value === val) {\n fulfill(promise, val);\n } else {\n resolve(promise, val);\n }\n }\n }, function (reason) {\n if (!resolved) {\n resolved = true;\n reject(promise, reason);\n }\n });\n return true;\n }\n }\n } catch (e) {\n if (!resolved) {\n reject(promise, e);\n }\n\n return true;\n }\n\n return false;\n}\n\nfunction resolve(promise, value) {\n if (promise === value || !handleThenable(promise, value)) {\n fulfill(promise, value);\n }\n}\n\nfunction fulfill(promise, value) {\n if (promise._state === PENDING) {\n promise._state = SETTLED;\n promise._data = value;\n asyncCall(publishFulfillment, promise);\n }\n}\n\nfunction reject(promise, reason) {\n if (promise._state === PENDING) {\n promise._state = SETTLED;\n promise._data = reason;\n asyncCall(publishRejection, promise);\n }\n}\n\nfunction publish(promise) {\n promise._then = promise._then.forEach(invokeCallback);\n}\n\nfunction publishFulfillment(promise) {\n promise._state = FULFILLED;\n publish(promise);\n}\n\nfunction publishRejection(promise) {\n promise._state = REJECTED;\n publish(promise);\n\n if (!promise._handled && isNode) {\n global.process.emit('unhandledRejection', promise._data, promise);\n }\n}\n\nfunction notifyRejectionHandled(promise) {\n global.process.emit('rejectionHandled', promise);\n}\n/**\n * @class\n */\n\n\nfunction P(resolver) {\n if (typeof resolver !== 'function') {\n throw new TypeError('Promise resolver ' + resolver + ' is not a function');\n }\n\n if (this instanceof P === false) {\n throw new TypeError('Failed to construct \\'Promise\\': Please use the \\'new\\' operator, this object constructor cannot be called as a function.');\n }\n\n this._then = [];\n invokeResolver(resolver, this);\n}\n\nP.prototype = {\n constructor: P,\n _state: PENDING,\n _then: null,\n _data: undefined,\n _handled: false,\n then: function then(onFulfillment, onRejection) {\n var subscriber = {\n owner: this,\n then: new this.constructor(NOOP),\n fulfilled: onFulfillment,\n rejected: onRejection\n };\n\n if ((onRejection || onFulfillment) && !this._handled) {\n this._handled = true;\n\n if (this._state === REJECTED && isNode) {\n asyncCall(notifyRejectionHandled, this);\n }\n }\n\n if (this._state === FULFILLED || this._state === REJECTED) {\n // already resolved, call callback async\n asyncCall(invokeCallback, subscriber);\n } else {\n // subscribe\n this._then.push(subscriber);\n }\n\n return subscriber.then;\n },\n catch: function _catch(onRejection) {\n return this.then(null, onRejection);\n }\n};\n\nP.all = function (promises) {\n if (!Array.isArray(promises)) {\n throw new TypeError('You must pass an array to Promise.all().');\n }\n\n return new P(function (resolve, reject) {\n var results = [];\n var remaining = 0;\n\n function resolver(index) {\n remaining++;\n return function (value) {\n results[index] = value;\n\n if (! --remaining) {\n resolve(results);\n }\n };\n }\n\n for (var i = 0, promise; i < promises.length; i++) {\n promise = promises[i];\n\n if (promise && typeof promise.then === 'function') {\n promise.then(resolver(i), reject);\n } else {\n results[i] = promise;\n }\n }\n\n if (!remaining) {\n resolve(results);\n }\n });\n};\n\nP.race = function (promises) {\n if (!Array.isArray(promises)) {\n throw new TypeError('You must pass an array to Promise.race().');\n }\n\n return new P(function (resolve, reject) {\n for (var i = 0, promise; i < promises.length; i++) {\n promise = promises[i];\n\n if (promise && typeof promise.then === 'function') {\n promise.then(resolve, reject);\n } else {\n resolve(promise);\n }\n }\n });\n};\n\nP.resolve = function (value) {\n if (value && _typeof(value) === 'object' && value.constructor === P) {\n return value;\n }\n\n return new P(function (resolve) {\n resolve(value);\n });\n};\n\nP.reject = function (reason) {\n return new P(function (resolve, reject) {\n reject(reason);\n });\n};\n\nvar picked = typeof Promise === 'function' ? Promise : P;\n\nvar d = UNITS_IN_GRID;\nvar meaninglessTransform = {\n size: 16,\n x: 0,\n y: 0,\n rotate: 0,\n flipX: false,\n flipY: false\n};\n\nfunction isReserved(name) {\n return ~RESERVED_CLASSES.indexOf(name);\n}\nfunction insertCss(css) {\n if (!css || !IS_DOM) {\n return;\n }\n\n var style = DOCUMENT.createElement('style');\n style.setAttribute('type', 'text/css');\n style.innerHTML = css;\n var headChildren = DOCUMENT.head.childNodes;\n var beforeChild = null;\n\n for (var i = headChildren.length - 1; i > -1; i--) {\n var child = headChildren[i];\n var tagName = (child.tagName || '').toUpperCase();\n\n if (['STYLE', 'LINK'].indexOf(tagName) > -1) {\n beforeChild = child;\n }\n }\n\n DOCUMENT.head.insertBefore(style, beforeChild);\n return css;\n}\nvar idPool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';\nfunction nextUniqueId() {\n var size = 12;\n var id = '';\n\n while (size-- > 0) {\n id += idPool[Math.random() * 62 | 0];\n }\n\n return id;\n}\nfunction toArray(obj) {\n var array = [];\n\n for (var i = (obj || []).length >>> 0; i--;) {\n array[i] = obj[i];\n }\n\n return array;\n}\nfunction classArray(node) {\n if (node.classList) {\n return toArray(node.classList);\n } else {\n return (node.getAttribute('class') || '').split(' ').filter(function (i) {\n return i;\n });\n }\n}\nfunction getIconName(familyPrefix, cls) {\n var parts = cls.split('-');\n var prefix = parts[0];\n var iconName = parts.slice(1).join('-');\n\n if (prefix === familyPrefix && iconName !== '' && !isReserved(iconName)) {\n return iconName;\n } else {\n return null;\n }\n}\nfunction htmlEscape(str) {\n return \"\".concat(str).replace(/&/g, '&').replace(/\"/g, '"').replace(/'/g, ''').replace(//g, '>');\n}\nfunction joinAttributes(attributes) {\n return Object.keys(attributes || {}).reduce(function (acc, attributeName) {\n return acc + \"\".concat(attributeName, \"=\\\"\").concat(htmlEscape(attributes[attributeName]), \"\\\" \");\n }, '').trim();\n}\nfunction joinStyles(styles) {\n return Object.keys(styles || {}).reduce(function (acc, styleName) {\n return acc + \"\".concat(styleName, \": \").concat(styles[styleName], \";\");\n }, '');\n}\nfunction transformIsMeaningful(transform) {\n return transform.size !== meaninglessTransform.size || transform.x !== meaninglessTransform.x || transform.y !== meaninglessTransform.y || transform.rotate !== meaninglessTransform.rotate || transform.flipX || transform.flipY;\n}\nfunction transformForSvg(_ref) {\n var transform = _ref.transform,\n containerWidth = _ref.containerWidth,\n iconWidth = _ref.iconWidth;\n var outer = {\n transform: \"translate(\".concat(containerWidth / 2, \" 256)\")\n };\n var innerTranslate = \"translate(\".concat(transform.x * 32, \", \").concat(transform.y * 32, \") \");\n var innerScale = \"scale(\".concat(transform.size / 16 * (transform.flipX ? -1 : 1), \", \").concat(transform.size / 16 * (transform.flipY ? -1 : 1), \") \");\n var innerRotate = \"rotate(\".concat(transform.rotate, \" 0 0)\");\n var inner = {\n transform: \"\".concat(innerTranslate, \" \").concat(innerScale, \" \").concat(innerRotate)\n };\n var path = {\n transform: \"translate(\".concat(iconWidth / 2 * -1, \" -256)\")\n };\n return {\n outer: outer,\n inner: inner,\n path: path\n };\n}\nfunction transformForCss(_ref2) {\n var transform = _ref2.transform,\n _ref2$width = _ref2.width,\n width = _ref2$width === void 0 ? UNITS_IN_GRID : _ref2$width,\n _ref2$height = _ref2.height,\n height = _ref2$height === void 0 ? UNITS_IN_GRID : _ref2$height,\n _ref2$startCentered = _ref2.startCentered,\n startCentered = _ref2$startCentered === void 0 ? false : _ref2$startCentered;\n var val = '';\n\n if (startCentered && IS_IE) {\n val += \"translate(\".concat(transform.x / d - width / 2, \"em, \").concat(transform.y / d - height / 2, \"em) \");\n } else if (startCentered) {\n val += \"translate(calc(-50% + \".concat(transform.x / d, \"em), calc(-50% + \").concat(transform.y / d, \"em)) \");\n } else {\n val += \"translate(\".concat(transform.x / d, \"em, \").concat(transform.y / d, \"em) \");\n }\n\n val += \"scale(\".concat(transform.size / d * (transform.flipX ? -1 : 1), \", \").concat(transform.size / d * (transform.flipY ? -1 : 1), \") \");\n val += \"rotate(\".concat(transform.rotate, \"deg) \");\n return val;\n}\n\nvar ALL_SPACE = {\n x: 0,\n y: 0,\n width: '100%',\n height: '100%'\n};\nfunction makeIconMasking (_ref) {\n var children = _ref.children,\n attributes = _ref.attributes,\n main = _ref.main,\n mask = _ref.mask,\n transform = _ref.transform;\n var mainWidth = main.width,\n mainPath = main.icon;\n var maskWidth = mask.width,\n maskPath = mask.icon;\n var trans = transformForSvg({\n transform: transform,\n containerWidth: maskWidth,\n iconWidth: mainWidth\n });\n var maskRect = {\n tag: 'rect',\n attributes: _objectSpread({}, ALL_SPACE, {\n fill: 'white'\n })\n };\n var maskInnerGroup = {\n tag: 'g',\n attributes: _objectSpread({}, trans.inner),\n children: [{\n tag: 'path',\n attributes: _objectSpread({}, mainPath.attributes, trans.path, {\n fill: 'black'\n })\n }]\n };\n var maskOuterGroup = {\n tag: 'g',\n attributes: _objectSpread({}, trans.outer),\n children: [maskInnerGroup]\n };\n var maskId = \"mask-\".concat(nextUniqueId());\n var clipId = \"clip-\".concat(nextUniqueId());\n var maskTag = {\n tag: 'mask',\n attributes: _objectSpread({}, ALL_SPACE, {\n id: maskId,\n maskUnits: 'userSpaceOnUse',\n maskContentUnits: 'userSpaceOnUse'\n }),\n children: [maskRect, maskOuterGroup]\n };\n var defs = {\n tag: 'defs',\n children: [{\n tag: 'clipPath',\n attributes: {\n id: clipId\n },\n children: [maskPath]\n }, maskTag]\n };\n children.push(defs, {\n tag: 'rect',\n attributes: _objectSpread({\n fill: 'currentColor',\n 'clip-path': \"url(#\".concat(clipId, \")\"),\n mask: \"url(#\".concat(maskId, \")\")\n }, ALL_SPACE)\n });\n return {\n children: children,\n attributes: attributes\n };\n}\n\nfunction makeIconStandard (_ref) {\n var children = _ref.children,\n attributes = _ref.attributes,\n main = _ref.main,\n transform = _ref.transform,\n styles = _ref.styles;\n var styleString = joinStyles(styles);\n\n if (styleString.length > 0) {\n attributes['style'] = styleString;\n }\n\n if (transformIsMeaningful(transform)) {\n var trans = transformForSvg({\n transform: transform,\n containerWidth: main.width,\n iconWidth: main.width\n });\n children.push({\n tag: 'g',\n attributes: _objectSpread({}, trans.outer),\n children: [{\n tag: 'g',\n attributes: _objectSpread({}, trans.inner),\n children: [{\n tag: main.icon.tag,\n children: main.icon.children,\n attributes: _objectSpread({}, main.icon.attributes, trans.path)\n }]\n }]\n });\n } else {\n children.push(main.icon);\n }\n\n return {\n children: children,\n attributes: attributes\n };\n}\n\nfunction asIcon (_ref) {\n var children = _ref.children,\n main = _ref.main,\n mask = _ref.mask,\n attributes = _ref.attributes,\n styles = _ref.styles,\n transform = _ref.transform;\n\n if (transformIsMeaningful(transform) && main.found && !mask.found) {\n var width = main.width,\n height = main.height;\n var offset = {\n x: width / height / 2,\n y: 0.5\n };\n attributes['style'] = joinStyles(_objectSpread({}, styles, {\n 'transform-origin': \"\".concat(offset.x + transform.x / 16, \"em \").concat(offset.y + transform.y / 16, \"em\")\n }));\n }\n\n return [{\n tag: 'svg',\n attributes: attributes,\n children: children\n }];\n}\n\nfunction asSymbol (_ref) {\n var prefix = _ref.prefix,\n iconName = _ref.iconName,\n children = _ref.children,\n attributes = _ref.attributes,\n symbol = _ref.symbol;\n var id = symbol === true ? \"\".concat(prefix, \"-\").concat(config.familyPrefix, \"-\").concat(iconName) : symbol;\n return [{\n tag: 'svg',\n attributes: {\n style: 'display: none;'\n },\n children: [{\n tag: 'symbol',\n attributes: _objectSpread({}, attributes, {\n id: id\n }),\n children: children\n }]\n }];\n}\n\nfunction makeInlineSvgAbstract(params) {\n var _params$icons = params.icons,\n main = _params$icons.main,\n mask = _params$icons.mask,\n prefix = params.prefix,\n iconName = params.iconName,\n transform = params.transform,\n symbol = params.symbol,\n title = params.title,\n extra = params.extra,\n _params$watchable = params.watchable,\n watchable = _params$watchable === void 0 ? false : _params$watchable;\n\n var _ref = mask.found ? mask : main,\n width = _ref.width,\n height = _ref.height;\n\n var widthClass = \"fa-w-\".concat(Math.ceil(width / height * 16));\n var attrClass = [config.replacementClass, iconName ? \"\".concat(config.familyPrefix, \"-\").concat(iconName) : '', widthClass].filter(function (c) {\n return extra.classes.indexOf(c) === -1;\n }).concat(extra.classes).join(' ');\n var content = {\n children: [],\n attributes: _objectSpread({}, extra.attributes, {\n 'data-prefix': prefix,\n 'data-icon': iconName,\n 'class': attrClass,\n 'role': extra.attributes.role || 'img',\n 'xmlns': 'http://www.w3.org/2000/svg',\n 'viewBox': \"0 0 \".concat(width, \" \").concat(height)\n })\n };\n\n if (watchable) {\n content.attributes[DATA_FA_I2SVG] = '';\n }\n\n if (title) content.children.push({\n tag: 'title',\n attributes: {\n id: content.attributes['aria-labelledby'] || \"title-\".concat(nextUniqueId())\n },\n children: [title]\n });\n\n var args = _objectSpread({}, content, {\n prefix: prefix,\n iconName: iconName,\n main: main,\n mask: mask,\n transform: transform,\n symbol: symbol,\n styles: extra.styles\n });\n\n var _ref2 = mask.found && main.found ? makeIconMasking(args) : makeIconStandard(args),\n children = _ref2.children,\n attributes = _ref2.attributes;\n\n args.children = children;\n args.attributes = attributes;\n\n if (symbol) {\n return asSymbol(args);\n } else {\n return asIcon(args);\n }\n}\nfunction makeLayersTextAbstract(params) {\n var content = params.content,\n width = params.width,\n height = params.height,\n transform = params.transform,\n title = params.title,\n extra = params.extra,\n _params$watchable2 = params.watchable,\n watchable = _params$watchable2 === void 0 ? false : _params$watchable2;\n\n var attributes = _objectSpread({}, extra.attributes, title ? {\n 'title': title\n } : {}, {\n 'class': extra.classes.join(' ')\n });\n\n if (watchable) {\n attributes[DATA_FA_I2SVG] = '';\n }\n\n var styles = _objectSpread({}, extra.styles);\n\n if (transformIsMeaningful(transform)) {\n styles['transform'] = transformForCss({\n transform: transform,\n startCentered: true,\n width: width,\n height: height\n });\n styles['-webkit-transform'] = styles['transform'];\n }\n\n var styleString = joinStyles(styles);\n\n if (styleString.length > 0) {\n attributes['style'] = styleString;\n }\n\n var val = [];\n val.push({\n tag: 'span',\n attributes: attributes,\n children: [content]\n });\n\n if (title) {\n val.push({\n tag: 'span',\n attributes: {\n class: 'sr-only'\n },\n children: [title]\n });\n }\n\n return val;\n}\nfunction makeLayersCounterAbstract(params) {\n var content = params.content,\n title = params.title,\n extra = params.extra;\n\n var attributes = _objectSpread({}, extra.attributes, title ? {\n 'title': title\n } : {}, {\n 'class': extra.classes.join(' ')\n });\n\n var styleString = joinStyles(extra.styles);\n\n if (styleString.length > 0) {\n attributes['style'] = styleString;\n }\n\n var val = [];\n val.push({\n tag: 'span',\n attributes: attributes,\n children: [content]\n });\n\n if (title) {\n val.push({\n tag: 'span',\n attributes: {\n class: 'sr-only'\n },\n children: [title]\n });\n }\n\n return val;\n}\n\nvar noop$1 = function noop() {};\n\nvar p = config.measurePerformance && PERFORMANCE && PERFORMANCE.mark && PERFORMANCE.measure ? PERFORMANCE : {\n mark: noop$1,\n measure: noop$1\n};\nvar preamble = \"FA \\\"5.9.0\\\"\";\n\nvar begin = function begin(name) {\n p.mark(\"\".concat(preamble, \" \").concat(name, \" begins\"));\n return function () {\n return end(name);\n };\n};\n\nvar end = function end(name) {\n p.mark(\"\".concat(preamble, \" \").concat(name, \" ends\"));\n p.measure(\"\".concat(preamble, \" \").concat(name), \"\".concat(preamble, \" \").concat(name, \" begins\"), \"\".concat(preamble, \" \").concat(name, \" ends\"));\n};\n\nvar perf = {\n begin: begin,\n end: end\n};\n\n/**\n * Internal helper to bind a function known to have 4 arguments\n * to a given context.\n */\n\nvar bindInternal4 = function bindInternal4(func, thisContext) {\n return function (a, b, c, d) {\n return func.call(thisContext, a, b, c, d);\n };\n};\n\n/**\n * # Reduce\n *\n * A fast object `.reduce()` implementation.\n *\n * @param {Object} subject The object to reduce over.\n * @param {Function} fn The reducer function.\n * @param {mixed} initialValue The initial value for the reducer, defaults to subject[0].\n * @param {Object} thisContext The context for the reducer.\n * @return {mixed} The final result.\n */\n\n\nvar reduce = function fastReduceObject(subject, fn, initialValue, thisContext) {\n var keys = Object.keys(subject),\n length = keys.length,\n iterator = thisContext !== undefined ? bindInternal4(fn, thisContext) : fn,\n i,\n key,\n result;\n\n if (initialValue === undefined) {\n i = 1;\n result = subject[keys[0]];\n } else {\n i = 0;\n result = initialValue;\n }\n\n for (; i < length; i++) {\n key = keys[i];\n result = iterator(result, subject[key], key, subject);\n }\n\n return result;\n};\n\nfunction toHex(unicode) {\n var result = '';\n\n for (var i = 0; i < unicode.length; i++) {\n var hex = unicode.charCodeAt(i).toString(16);\n result += ('000' + hex).slice(-4);\n }\n\n return result;\n}\n\nfunction defineIcons(prefix, icons) {\n var params = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n var _params$skipHooks = params.skipHooks,\n skipHooks = _params$skipHooks === void 0 ? false : _params$skipHooks;\n var normalized = Object.keys(icons).reduce(function (acc, iconName) {\n var icon = icons[iconName];\n var expanded = !!icon.icon;\n\n if (expanded) {\n acc[icon.iconName] = icon.icon;\n } else {\n acc[iconName] = icon;\n }\n\n return acc;\n }, {});\n\n if (typeof namespace.hooks.addPack === 'function' && !skipHooks) {\n namespace.hooks.addPack(prefix, normalized);\n } else {\n namespace.styles[prefix] = _objectSpread({}, namespace.styles[prefix] || {}, normalized);\n }\n /**\n * Font Awesome 4 used the prefix of `fa` for all icons. With the introduction\n * of new styles we needed to differentiate between them. Prefix `fa` is now an alias\n * for `fas` so we'll easy the upgrade process for our users by automatically defining\n * this as well.\n */\n\n\n if (prefix === 'fas') {\n defineIcons('fa', icons);\n }\n}\n\nvar styles = namespace.styles,\n shims = namespace.shims;\nvar _byUnicode = {};\nvar _byLigature = {};\nvar _byOldName = {};\nvar build = function build() {\n var lookup = function lookup(reducer) {\n return reduce(styles, function (o, style, prefix) {\n o[prefix] = reduce(style, reducer, {});\n return o;\n }, {});\n };\n\n _byUnicode = lookup(function (acc, icon, iconName) {\n if (icon[3]) {\n acc[icon[3]] = iconName;\n }\n\n return acc;\n });\n _byLigature = lookup(function (acc, icon, iconName) {\n var ligatures = icon[2];\n acc[iconName] = iconName;\n ligatures.forEach(function (ligature) {\n acc[ligature] = iconName;\n });\n return acc;\n });\n var hasRegular = 'far' in styles;\n _byOldName = reduce(shims, function (acc, shim) {\n var oldName = shim[0];\n var prefix = shim[1];\n var iconName = shim[2];\n\n if (prefix === 'far' && !hasRegular) {\n prefix = 'fas';\n }\n\n acc[oldName] = {\n prefix: prefix,\n iconName: iconName\n };\n return acc;\n }, {});\n};\nbuild();\nfunction byUnicode(prefix, unicode) {\n return (_byUnicode[prefix] || {})[unicode];\n}\nfunction byLigature(prefix, ligature) {\n return (_byLigature[prefix] || {})[ligature];\n}\nfunction byOldName(name) {\n return _byOldName[name] || {\n prefix: null,\n iconName: null\n };\n}\n\nvar styles$1 = namespace.styles;\nvar emptyCanonicalIcon = function emptyCanonicalIcon() {\n return {\n prefix: null,\n iconName: null,\n rest: []\n };\n};\nfunction getCanonicalIcon(values) {\n return values.reduce(function (acc, cls) {\n var iconName = getIconName(config.familyPrefix, cls);\n\n if (styles$1[cls]) {\n acc.prefix = cls;\n } else if (config.autoFetchSvg && ['fas', 'far', 'fal', 'fab', 'fa'].indexOf(cls) > -1) {\n acc.prefix = cls;\n } else if (iconName) {\n var shim = acc.prefix === 'fa' ? byOldName(iconName) : {};\n acc.iconName = shim.iconName || iconName;\n acc.prefix = shim.prefix || acc.prefix;\n } else if (cls !== config.replacementClass && cls.indexOf('fa-w-') !== 0) {\n acc.rest.push(cls);\n }\n\n return acc;\n }, emptyCanonicalIcon());\n}\nfunction iconFromMapping(mapping, prefix, iconName) {\n if (mapping && mapping[prefix] && mapping[prefix][iconName]) {\n return {\n prefix: prefix,\n iconName: iconName,\n icon: mapping[prefix][iconName]\n };\n }\n}\n\nfunction toHtml(abstractNodes) {\n var tag = abstractNodes.tag,\n _abstractNodes$attrib = abstractNodes.attributes,\n attributes = _abstractNodes$attrib === void 0 ? {} : _abstractNodes$attrib,\n _abstractNodes$childr = abstractNodes.children,\n children = _abstractNodes$childr === void 0 ? [] : _abstractNodes$childr;\n\n if (typeof abstractNodes === 'string') {\n return htmlEscape(abstractNodes);\n } else {\n return \"<\".concat(tag, \" \").concat(joinAttributes(attributes), \">\").concat(children.map(toHtml).join(''), \"\");\n }\n}\n\nvar noop$2 = function noop() {};\n\nfunction isWatched(node) {\n var i2svg = node.getAttribute ? node.getAttribute(DATA_FA_I2SVG) : null;\n return typeof i2svg === 'string';\n}\n\nfunction getMutator() {\n if (config.autoReplaceSvg === true) {\n return mutators.replace;\n }\n\n var mutator = mutators[config.autoReplaceSvg];\n return mutator || mutators.replace;\n}\n\nvar mutators = {\n replace: function replace(mutation) {\n var node = mutation[0];\n var abstract = mutation[1];\n var newOuterHTML = abstract.map(function (a) {\n return toHtml(a);\n }).join('\\n');\n\n if (node.parentNode && node.outerHTML) {\n node.outerHTML = newOuterHTML + (config.keepOriginalSource && node.tagName.toLowerCase() !== 'svg' ? \"\") : '');\n } else if (node.parentNode) {\n var newNode = document.createElement('span');\n node.parentNode.replaceChild(newNode, node);\n newNode.outerHTML = newOuterHTML;\n }\n },\n nest: function nest(mutation) {\n var node = mutation[0];\n var abstract = mutation[1]; // If we already have a replaced node we do not want to continue nesting within it.\n // Short-circuit to the standard replacement\n\n if (~classArray(node).indexOf(config.replacementClass)) {\n return mutators.replace(mutation);\n }\n\n var forSvg = new RegExp(\"\".concat(config.familyPrefix, \"-.*\"));\n delete abstract[0].attributes.style;\n var splitClasses = abstract[0].attributes.class.split(' ').reduce(function (acc, cls) {\n if (cls === config.replacementClass || cls.match(forSvg)) {\n acc.toSvg.push(cls);\n } else {\n acc.toNode.push(cls);\n }\n\n return acc;\n }, {\n toNode: [],\n toSvg: []\n });\n abstract[0].attributes.class = splitClasses.toSvg.join(' ');\n var newInnerHTML = abstract.map(function (a) {\n return toHtml(a);\n }).join('\\n');\n node.setAttribute('class', splitClasses.toNode.join(' '));\n node.setAttribute(DATA_FA_I2SVG, '');\n node.innerHTML = newInnerHTML;\n }\n};\n\nfunction performOperationSync(op) {\n op();\n}\n\nfunction perform(mutations, callback) {\n var callbackFunction = typeof callback === 'function' ? callback : noop$2;\n\n if (mutations.length === 0) {\n callbackFunction();\n } else {\n var frame = performOperationSync;\n\n if (config.mutateApproach === MUTATION_APPROACH_ASYNC) {\n frame = WINDOW.requestAnimationFrame || performOperationSync;\n }\n\n frame(function () {\n var mutator = getMutator();\n var mark = perf.begin('mutate');\n mutations.map(mutator);\n mark();\n callbackFunction();\n });\n }\n}\nvar disabled = false;\nfunction disableObservation() {\n disabled = true;\n}\nfunction enableObservation() {\n disabled = false;\n}\nvar mo = null;\nfunction observe(options) {\n if (!MUTATION_OBSERVER) {\n return;\n }\n\n if (!config.observeMutations) {\n return;\n }\n\n var treeCallback = options.treeCallback,\n nodeCallback = options.nodeCallback,\n pseudoElementsCallback = options.pseudoElementsCallback,\n _options$observeMutat = options.observeMutationsRoot,\n observeMutationsRoot = _options$observeMutat === void 0 ? DOCUMENT : _options$observeMutat;\n mo = new MUTATION_OBSERVER(function (objects) {\n if (disabled) return;\n toArray(objects).forEach(function (mutationRecord) {\n if (mutationRecord.type === 'childList' && mutationRecord.addedNodes.length > 0 && !isWatched(mutationRecord.addedNodes[0])) {\n if (config.searchPseudoElements) {\n pseudoElementsCallback(mutationRecord.target);\n }\n\n treeCallback(mutationRecord.target);\n }\n\n if (mutationRecord.type === 'attributes' && mutationRecord.target.parentNode && config.searchPseudoElements) {\n pseudoElementsCallback(mutationRecord.target.parentNode);\n }\n\n if (mutationRecord.type === 'attributes' && isWatched(mutationRecord.target) && ~ATTRIBUTES_WATCHED_FOR_MUTATION.indexOf(mutationRecord.attributeName)) {\n if (mutationRecord.attributeName === 'class') {\n var _getCanonicalIcon = getCanonicalIcon(classArray(mutationRecord.target)),\n prefix = _getCanonicalIcon.prefix,\n iconName = _getCanonicalIcon.iconName;\n\n if (prefix) mutationRecord.target.setAttribute('data-prefix', prefix);\n if (iconName) mutationRecord.target.setAttribute('data-icon', iconName);\n } else {\n nodeCallback(mutationRecord.target);\n }\n }\n });\n });\n if (!IS_DOM) return;\n mo.observe(observeMutationsRoot, {\n childList: true,\n attributes: true,\n characterData: true,\n subtree: true\n });\n}\nfunction disconnect() {\n if (!mo) return;\n mo.disconnect();\n}\n\nfunction styleParser (node) {\n var style = node.getAttribute('style');\n var val = [];\n\n if (style) {\n val = style.split(';').reduce(function (acc, style) {\n var styles = style.split(':');\n var prop = styles[0];\n var value = styles.slice(1);\n\n if (prop && value.length > 0) {\n acc[prop] = value.join(':').trim();\n }\n\n return acc;\n }, {});\n }\n\n return val;\n}\n\nfunction classParser (node) {\n var existingPrefix = node.getAttribute('data-prefix');\n var existingIconName = node.getAttribute('data-icon');\n var innerText = node.innerText !== undefined ? node.innerText.trim() : '';\n var val = getCanonicalIcon(classArray(node));\n\n if (existingPrefix && existingIconName) {\n val.prefix = existingPrefix;\n val.iconName = existingIconName;\n }\n\n if (val.prefix && innerText.length > 1) {\n val.iconName = byLigature(val.prefix, node.innerText);\n } else if (val.prefix && innerText.length === 1) {\n val.iconName = byUnicode(val.prefix, toHex(node.innerText));\n }\n\n return val;\n}\n\nvar parseTransformString = function parseTransformString(transformString) {\n var transform = {\n size: 16,\n x: 0,\n y: 0,\n flipX: false,\n flipY: false,\n rotate: 0\n };\n\n if (!transformString) {\n return transform;\n } else {\n return transformString.toLowerCase().split(' ').reduce(function (acc, n) {\n var parts = n.toLowerCase().split('-');\n var first = parts[0];\n var rest = parts.slice(1).join('-');\n\n if (first && rest === 'h') {\n acc.flipX = true;\n return acc;\n }\n\n if (first && rest === 'v') {\n acc.flipY = true;\n return acc;\n }\n\n rest = parseFloat(rest);\n\n if (isNaN(rest)) {\n return acc;\n }\n\n switch (first) {\n case 'grow':\n acc.size = acc.size + rest;\n break;\n\n case 'shrink':\n acc.size = acc.size - rest;\n break;\n\n case 'left':\n acc.x = acc.x - rest;\n break;\n\n case 'right':\n acc.x = acc.x + rest;\n break;\n\n case 'up':\n acc.y = acc.y - rest;\n break;\n\n case 'down':\n acc.y = acc.y + rest;\n break;\n\n case 'rotate':\n acc.rotate = acc.rotate + rest;\n break;\n }\n\n return acc;\n }, transform);\n }\n};\nfunction transformParser (node) {\n return parseTransformString(node.getAttribute('data-fa-transform'));\n}\n\nfunction symbolParser (node) {\n var symbol = node.getAttribute('data-fa-symbol');\n return symbol === null ? false : symbol === '' ? true : symbol;\n}\n\nfunction attributesParser (node) {\n var extraAttributes = toArray(node.attributes).reduce(function (acc, attr) {\n if (acc.name !== 'class' && acc.name !== 'style') {\n acc[attr.name] = attr.value;\n }\n\n return acc;\n }, {});\n var title = node.getAttribute('title');\n\n if (config.autoA11y) {\n if (title) {\n extraAttributes['aria-labelledby'] = \"\".concat(config.replacementClass, \"-title-\").concat(nextUniqueId());\n } else {\n extraAttributes['aria-hidden'] = 'true';\n extraAttributes['focusable'] = 'false';\n }\n }\n\n return extraAttributes;\n}\n\nfunction maskParser (node) {\n var mask = node.getAttribute('data-fa-mask');\n\n if (!mask) {\n return emptyCanonicalIcon();\n } else {\n return getCanonicalIcon(mask.split(' ').map(function (i) {\n return i.trim();\n }));\n }\n}\n\nfunction blankMeta() {\n return {\n iconName: null,\n title: null,\n prefix: null,\n transform: meaninglessTransform,\n symbol: false,\n mask: null,\n extra: {\n classes: [],\n styles: {},\n attributes: {}\n }\n };\n}\nfunction parseMeta(node) {\n var _classParser = classParser(node),\n iconName = _classParser.iconName,\n prefix = _classParser.prefix,\n extraClasses = _classParser.rest;\n\n var extraStyles = styleParser(node);\n var transform = transformParser(node);\n var symbol = symbolParser(node);\n var extraAttributes = attributesParser(node);\n var mask = maskParser(node);\n return {\n iconName: iconName,\n title: node.getAttribute('title'),\n prefix: prefix,\n transform: transform,\n symbol: symbol,\n mask: mask,\n extra: {\n classes: extraClasses,\n styles: extraStyles,\n attributes: extraAttributes\n }\n };\n}\n\nfunction MissingIcon(error) {\n this.name = 'MissingIcon';\n this.message = error || 'Icon unavailable';\n this.stack = new Error().stack;\n}\nMissingIcon.prototype = Object.create(Error.prototype);\nMissingIcon.prototype.constructor = MissingIcon;\n\nvar FILL = {\n fill: 'currentColor'\n};\nvar ANIMATION_BASE = {\n attributeType: 'XML',\n repeatCount: 'indefinite',\n dur: '2s'\n};\nvar RING = {\n tag: 'path',\n attributes: _objectSpread({}, FILL, {\n d: 'M156.5,447.7l-12.6,29.5c-18.7-9.5-35.9-21.2-51.5-34.9l22.7-22.7C127.6,430.5,141.5,440,156.5,447.7z M40.6,272H8.5 c1.4,21.2,5.4,41.7,11.7,61.1L50,321.2C45.1,305.5,41.8,289,40.6,272z M40.6,240c1.4-18.8,5.2-37,11.1-54.1l-29.5-12.6 C14.7,194.3,10,216.7,8.5,240H40.6z M64.3,156.5c7.8-14.9,17.2-28.8,28.1-41.5L69.7,92.3c-13.7,15.6-25.5,32.8-34.9,51.5 L64.3,156.5z M397,419.6c-13.9,12-29.4,22.3-46.1,30.4l11.9,29.8c20.7-9.9,39.8-22.6,56.9-37.6L397,419.6z M115,92.4 c13.9-12,29.4-22.3,46.1-30.4l-11.9-29.8c-20.7,9.9-39.8,22.6-56.8,37.6L115,92.4z M447.7,355.5c-7.8,14.9-17.2,28.8-28.1,41.5 l22.7,22.7c13.7-15.6,25.5-32.9,34.9-51.5L447.7,355.5z M471.4,272c-1.4,18.8-5.2,37-11.1,54.1l29.5,12.6 c7.5-21.1,12.2-43.5,13.6-66.8H471.4z M321.2,462c-15.7,5-32.2,8.2-49.2,9.4v32.1c21.2-1.4,41.7-5.4,61.1-11.7L321.2,462z M240,471.4c-18.8-1.4-37-5.2-54.1-11.1l-12.6,29.5c21.1,7.5,43.5,12.2,66.8,13.6V471.4z M462,190.8c5,15.7,8.2,32.2,9.4,49.2h32.1 c-1.4-21.2-5.4-41.7-11.7-61.1L462,190.8z M92.4,397c-12-13.9-22.3-29.4-30.4-46.1l-29.8,11.9c9.9,20.7,22.6,39.8,37.6,56.9 L92.4,397z M272,40.6c18.8,1.4,36.9,5.2,54.1,11.1l12.6-29.5C317.7,14.7,295.3,10,272,8.5V40.6z M190.8,50 c15.7-5,32.2-8.2,49.2-9.4V8.5c-21.2,1.4-41.7,5.4-61.1,11.7L190.8,50z M442.3,92.3L419.6,115c12,13.9,22.3,29.4,30.5,46.1 l29.8-11.9C470,128.5,457.3,109.4,442.3,92.3z M397,92.4l22.7-22.7c-15.6-13.7-32.8-25.5-51.5-34.9l-12.6,29.5 C370.4,72.1,384.4,81.5,397,92.4z'\n })\n};\n\nvar OPACITY_ANIMATE = _objectSpread({}, ANIMATION_BASE, {\n attributeName: 'opacity'\n});\n\nvar DOT = {\n tag: 'circle',\n attributes: _objectSpread({}, FILL, {\n cx: '256',\n cy: '364',\n r: '28'\n }),\n children: [{\n tag: 'animate',\n attributes: _objectSpread({}, ANIMATION_BASE, {\n attributeName: 'r',\n values: '28;14;28;28;14;28;'\n })\n }, {\n tag: 'animate',\n attributes: _objectSpread({}, OPACITY_ANIMATE, {\n values: '1;0;1;1;0;1;'\n })\n }]\n};\nvar QUESTION = {\n tag: 'path',\n attributes: _objectSpread({}, FILL, {\n opacity: '1',\n d: 'M263.7,312h-16c-6.6,0-12-5.4-12-12c0-71,77.4-63.9,77.4-107.8c0-20-17.8-40.2-57.4-40.2c-29.1,0-44.3,9.6-59.2,28.7 c-3.9,5-11.1,6-16.2,2.4l-13.1-9.2c-5.6-3.9-6.9-11.8-2.6-17.2c21.2-27.2,46.4-44.7,91.2-44.7c52.3,0,97.4,29.8,97.4,80.2 c0,67.6-77.4,63.5-77.4,107.8C275.7,306.6,270.3,312,263.7,312z'\n }),\n children: [{\n tag: 'animate',\n attributes: _objectSpread({}, OPACITY_ANIMATE, {\n values: '1;0;0;0;0;1;'\n })\n }]\n};\nvar EXCLAMATION = {\n tag: 'path',\n attributes: _objectSpread({}, FILL, {\n opacity: '0',\n d: 'M232.5,134.5l7,168c0.3,6.4,5.6,11.5,12,11.5h9c6.4,0,11.7-5.1,12-11.5l7-168c0.3-6.8-5.2-12.5-12-12.5h-23 C237.7,122,232.2,127.7,232.5,134.5z'\n }),\n children: [{\n tag: 'animate',\n attributes: _objectSpread({}, OPACITY_ANIMATE, {\n values: '0;0;1;1;0;0;'\n })\n }]\n};\nvar missing = {\n tag: 'g',\n children: [RING, DOT, QUESTION, EXCLAMATION]\n};\n\nvar styles$2 = namespace.styles;\nfunction findIcon(iconName, prefix) {\n return new picked(function (resolve, reject) {\n var val = {\n found: false,\n width: 512,\n height: 512,\n icon: missing\n };\n\n if (iconName && prefix && styles$2[prefix] && styles$2[prefix][iconName]) {\n var icon = styles$2[prefix][iconName];\n var width = icon[0];\n var height = icon[1];\n var vectorData = icon.slice(4);\n val = {\n found: true,\n width: width,\n height: height,\n icon: {\n tag: 'path',\n attributes: {\n fill: 'currentColor',\n d: vectorData[0]\n }\n }\n };\n return resolve(val);\n }\n\n if (iconName && prefix && !config.showMissingIcons) {\n reject(new MissingIcon(\"Icon is missing for prefix \".concat(prefix, \" with icon name \").concat(iconName)));\n } else {\n resolve(val);\n }\n });\n}\n\nvar styles$3 = namespace.styles;\n\nfunction generateSvgReplacementMutation(node, nodeMeta) {\n var iconName = nodeMeta.iconName,\n title = nodeMeta.title,\n prefix = nodeMeta.prefix,\n transform = nodeMeta.transform,\n symbol = nodeMeta.symbol,\n mask = nodeMeta.mask,\n extra = nodeMeta.extra;\n return new picked(function (resolve, reject) {\n picked.all([findIcon(iconName, prefix), findIcon(mask.iconName, mask.prefix)]).then(function (_ref) {\n var _ref2 = _slicedToArray(_ref, 2),\n main = _ref2[0],\n mask = _ref2[1];\n\n resolve([node, makeInlineSvgAbstract({\n icons: {\n main: main,\n mask: mask\n },\n prefix: prefix,\n iconName: iconName,\n transform: transform,\n symbol: symbol,\n mask: mask,\n title: title,\n extra: extra,\n watchable: true\n })]);\n });\n });\n}\n\nfunction generateLayersText(node, nodeMeta) {\n var title = nodeMeta.title,\n transform = nodeMeta.transform,\n extra = nodeMeta.extra;\n var width = null;\n var height = null;\n\n if (IS_IE) {\n var computedFontSize = parseInt(getComputedStyle(node).fontSize, 10);\n var boundingClientRect = node.getBoundingClientRect();\n width = boundingClientRect.width / computedFontSize;\n height = boundingClientRect.height / computedFontSize;\n }\n\n if (config.autoA11y && !title) {\n extra.attributes['aria-hidden'] = 'true';\n }\n\n return picked.resolve([node, makeLayersTextAbstract({\n content: node.innerHTML,\n width: width,\n height: height,\n transform: transform,\n title: title,\n extra: extra,\n watchable: true\n })]);\n}\n\nfunction generateMutation(node) {\n var nodeMeta = parseMeta(node);\n\n if (~nodeMeta.extra.classes.indexOf(LAYERS_TEXT_CLASSNAME)) {\n return generateLayersText(node, nodeMeta);\n } else {\n return generateSvgReplacementMutation(node, nodeMeta);\n }\n}\n\nfunction onTree(root) {\n var callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;\n if (!IS_DOM) return;\n var htmlClassList = DOCUMENT.documentElement.classList;\n\n var hclAdd = function hclAdd(suffix) {\n return htmlClassList.add(\"\".concat(HTML_CLASS_I2SVG_BASE_CLASS, \"-\").concat(suffix));\n };\n\n var hclRemove = function hclRemove(suffix) {\n return htmlClassList.remove(\"\".concat(HTML_CLASS_I2SVG_BASE_CLASS, \"-\").concat(suffix));\n };\n\n var prefixes = config.autoFetchSvg ? Object.keys(PREFIX_TO_STYLE) : Object.keys(styles$3);\n var prefixesDomQuery = [\".\".concat(LAYERS_TEXT_CLASSNAME, \":not([\").concat(DATA_FA_I2SVG, \"])\")].concat(prefixes.map(function (p) {\n return \".\".concat(p, \":not([\").concat(DATA_FA_I2SVG, \"])\");\n })).join(', ');\n\n if (prefixesDomQuery.length === 0) {\n return;\n }\n\n var candidates = [];\n\n try {\n candidates = toArray(root.querySelectorAll(prefixesDomQuery));\n } catch (e) {// noop\n }\n\n if (candidates.length > 0) {\n hclAdd('pending');\n hclRemove('complete');\n } else {\n return;\n }\n\n var mark = perf.begin('onTree');\n var mutations = candidates.reduce(function (acc, node) {\n try {\n var mutation = generateMutation(node);\n\n if (mutation) {\n acc.push(mutation);\n }\n } catch (e) {\n if (!PRODUCTION) {\n if (e instanceof MissingIcon) {\n console.error(e);\n }\n }\n }\n\n return acc;\n }, []);\n return new picked(function (resolve, reject) {\n picked.all(mutations).then(function (resolvedMutations) {\n perform(resolvedMutations, function () {\n hclAdd('active');\n hclAdd('complete');\n hclRemove('pending');\n if (typeof callback === 'function') callback();\n mark();\n resolve();\n });\n }).catch(function () {\n mark();\n reject();\n });\n });\n}\nfunction onNode(node) {\n var callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;\n generateMutation(node).then(function (mutation) {\n if (mutation) {\n perform([mutation], callback);\n }\n });\n}\n\nfunction replaceForPosition(node, position) {\n var pendingAttribute = \"\".concat(DATA_FA_PSEUDO_ELEMENT_PENDING).concat(position.replace(':', '-'));\n return new picked(function (resolve, reject) {\n if (node.getAttribute(pendingAttribute) !== null) {\n // This node is already being processed\n return resolve();\n }\n\n var children = toArray(node.children);\n var alreadyProcessedPseudoElement = children.filter(function (c) {\n return c.getAttribute(DATA_FA_PSEUDO_ELEMENT) === position;\n })[0];\n var styles = WINDOW.getComputedStyle(node, position);\n var fontFamily = styles.getPropertyValue('font-family').match(FONT_FAMILY_PATTERN);\n var fontWeight = styles.getPropertyValue('font-weight');\n\n if (alreadyProcessedPseudoElement && !fontFamily) {\n // If we've already processed it but the current computed style does not result in a font-family,\n // that probably means that a class name that was previously present to make the icon has been\n // removed. So we now should delete the icon.\n node.removeChild(alreadyProcessedPseudoElement);\n return resolve();\n } else if (fontFamily) {\n var content = styles.getPropertyValue('content');\n var prefix = ~['Light', 'Regular', 'Solid', 'Brands'].indexOf(fontFamily[1]) ? STYLE_TO_PREFIX[fontFamily[1].toLowerCase()] : FONT_WEIGHT_TO_PREFIX[fontWeight];\n var hexValue = toHex(content.length === 3 ? content.substr(1, 1) : content);\n var iconName = byUnicode(prefix, hexValue);\n var iconIdentifier = iconName; // Only convert the pseudo element in this :before/:after position into an icon if we haven't\n // already done so with the same prefix and iconName\n\n if (iconName && (!alreadyProcessedPseudoElement || alreadyProcessedPseudoElement.getAttribute(DATA_PREFIX) !== prefix || alreadyProcessedPseudoElement.getAttribute(DATA_ICON) !== iconIdentifier)) {\n node.setAttribute(pendingAttribute, iconIdentifier);\n\n if (alreadyProcessedPseudoElement) {\n // Delete the old one, since we're replacing it with a new one\n node.removeChild(alreadyProcessedPseudoElement);\n }\n\n var meta = blankMeta();\n var extra = meta.extra;\n extra.attributes[DATA_FA_PSEUDO_ELEMENT] = position;\n findIcon(iconName, prefix).then(function (main) {\n var abstract = makeInlineSvgAbstract(_objectSpread({}, meta, {\n icons: {\n main: main,\n mask: emptyCanonicalIcon()\n },\n prefix: prefix,\n iconName: iconIdentifier,\n extra: extra,\n watchable: true\n }));\n var element = DOCUMENT.createElement('svg');\n\n if (position === ':before') {\n node.insertBefore(element, node.firstChild);\n } else {\n node.appendChild(element);\n }\n\n element.outerHTML = abstract.map(function (a) {\n return toHtml(a);\n }).join('\\n');\n node.removeAttribute(pendingAttribute);\n resolve();\n }).catch(reject);\n } else {\n resolve();\n }\n } else {\n resolve();\n }\n });\n}\n\nfunction replace(node) {\n return picked.all([replaceForPosition(node, ':before'), replaceForPosition(node, ':after')]);\n}\n\nfunction processable(node) {\n return node.parentNode !== document.head && !~TAGNAMES_TO_SKIP_FOR_PSEUDOELEMENTS.indexOf(node.tagName.toUpperCase()) && !node.getAttribute(DATA_FA_PSEUDO_ELEMENT) && (!node.parentNode || node.parentNode.tagName !== 'svg');\n}\n\nfunction searchPseudoElements (root) {\n if (!IS_DOM) return;\n return new picked(function (resolve, reject) {\n var operations = toArray(root.querySelectorAll('*')).filter(processable).map(replace);\n var end = perf.begin('searchPseudoElements');\n disableObservation();\n picked.all(operations).then(function () {\n end();\n enableObservation();\n resolve();\n }).catch(function () {\n end();\n enableObservation();\n reject();\n });\n });\n}\n\nvar baseStyles = \"svg:not(:root).svg-inline--fa {\\n overflow: visible;\\n}\\n\\n.svg-inline--fa {\\n display: inline-block;\\n font-size: inherit;\\n height: 1em;\\n overflow: visible;\\n vertical-align: -0.125em;\\n}\\n.svg-inline--fa.fa-lg {\\n vertical-align: -0.225em;\\n}\\n.svg-inline--fa.fa-w-1 {\\n width: 0.0625em;\\n}\\n.svg-inline--fa.fa-w-2 {\\n width: 0.125em;\\n}\\n.svg-inline--fa.fa-w-3 {\\n width: 0.1875em;\\n}\\n.svg-inline--fa.fa-w-4 {\\n width: 0.25em;\\n}\\n.svg-inline--fa.fa-w-5 {\\n width: 0.3125em;\\n}\\n.svg-inline--fa.fa-w-6 {\\n width: 0.375em;\\n}\\n.svg-inline--fa.fa-w-7 {\\n width: 0.4375em;\\n}\\n.svg-inline--fa.fa-w-8 {\\n width: 0.5em;\\n}\\n.svg-inline--fa.fa-w-9 {\\n width: 0.5625em;\\n}\\n.svg-inline--fa.fa-w-10 {\\n width: 0.625em;\\n}\\n.svg-inline--fa.fa-w-11 {\\n width: 0.6875em;\\n}\\n.svg-inline--fa.fa-w-12 {\\n width: 0.75em;\\n}\\n.svg-inline--fa.fa-w-13 {\\n width: 0.8125em;\\n}\\n.svg-inline--fa.fa-w-14 {\\n width: 0.875em;\\n}\\n.svg-inline--fa.fa-w-15 {\\n width: 0.9375em;\\n}\\n.svg-inline--fa.fa-w-16 {\\n width: 1em;\\n}\\n.svg-inline--fa.fa-w-17 {\\n width: 1.0625em;\\n}\\n.svg-inline--fa.fa-w-18 {\\n width: 1.125em;\\n}\\n.svg-inline--fa.fa-w-19 {\\n width: 1.1875em;\\n}\\n.svg-inline--fa.fa-w-20 {\\n width: 1.25em;\\n}\\n.svg-inline--fa.fa-pull-left {\\n margin-right: 0.3em;\\n width: auto;\\n}\\n.svg-inline--fa.fa-pull-right {\\n margin-left: 0.3em;\\n width: auto;\\n}\\n.svg-inline--fa.fa-border {\\n height: 1.5em;\\n}\\n.svg-inline--fa.fa-li {\\n width: 2em;\\n}\\n.svg-inline--fa.fa-fw {\\n width: 1.25em;\\n}\\n\\n.fa-layers svg.svg-inline--fa {\\n bottom: 0;\\n left: 0;\\n margin: auto;\\n position: absolute;\\n right: 0;\\n top: 0;\\n}\\n\\n.fa-layers {\\n display: inline-block;\\n height: 1em;\\n position: relative;\\n text-align: center;\\n vertical-align: -0.125em;\\n width: 1em;\\n}\\n.fa-layers svg.svg-inline--fa {\\n -webkit-transform-origin: center center;\\n transform-origin: center center;\\n}\\n\\n.fa-layers-counter, .fa-layers-text {\\n display: inline-block;\\n position: absolute;\\n text-align: center;\\n}\\n\\n.fa-layers-text {\\n left: 50%;\\n top: 50%;\\n -webkit-transform: translate(-50%, -50%);\\n transform: translate(-50%, -50%);\\n -webkit-transform-origin: center center;\\n transform-origin: center center;\\n}\\n\\n.fa-layers-counter {\\n background-color: #ff253a;\\n border-radius: 1em;\\n -webkit-box-sizing: border-box;\\n box-sizing: border-box;\\n color: #fff;\\n height: 1.5em;\\n line-height: 1;\\n max-width: 5em;\\n min-width: 1.5em;\\n overflow: hidden;\\n padding: 0.25em;\\n right: 0;\\n text-overflow: ellipsis;\\n top: 0;\\n -webkit-transform: scale(0.25);\\n transform: scale(0.25);\\n -webkit-transform-origin: top right;\\n transform-origin: top right;\\n}\\n\\n.fa-layers-bottom-right {\\n bottom: 0;\\n right: 0;\\n top: auto;\\n -webkit-transform: scale(0.25);\\n transform: scale(0.25);\\n -webkit-transform-origin: bottom right;\\n transform-origin: bottom right;\\n}\\n\\n.fa-layers-bottom-left {\\n bottom: 0;\\n left: 0;\\n right: auto;\\n top: auto;\\n -webkit-transform: scale(0.25);\\n transform: scale(0.25);\\n -webkit-transform-origin: bottom left;\\n transform-origin: bottom left;\\n}\\n\\n.fa-layers-top-right {\\n right: 0;\\n top: 0;\\n -webkit-transform: scale(0.25);\\n transform: scale(0.25);\\n -webkit-transform-origin: top right;\\n transform-origin: top right;\\n}\\n\\n.fa-layers-top-left {\\n left: 0;\\n right: auto;\\n top: 0;\\n -webkit-transform: scale(0.25);\\n transform: scale(0.25);\\n -webkit-transform-origin: top left;\\n transform-origin: top left;\\n}\\n\\n.fa-lg {\\n font-size: 1.3333333333em;\\n line-height: 0.75em;\\n vertical-align: -0.0667em;\\n}\\n\\n.fa-xs {\\n font-size: 0.75em;\\n}\\n\\n.fa-sm {\\n font-size: 0.875em;\\n}\\n\\n.fa-1x {\\n font-size: 1em;\\n}\\n\\n.fa-2x {\\n font-size: 2em;\\n}\\n\\n.fa-3x {\\n font-size: 3em;\\n}\\n\\n.fa-4x {\\n font-size: 4em;\\n}\\n\\n.fa-5x {\\n font-size: 5em;\\n}\\n\\n.fa-6x {\\n font-size: 6em;\\n}\\n\\n.fa-7x {\\n font-size: 7em;\\n}\\n\\n.fa-8x {\\n font-size: 8em;\\n}\\n\\n.fa-9x {\\n font-size: 9em;\\n}\\n\\n.fa-10x {\\n font-size: 10em;\\n}\\n\\n.fa-fw {\\n text-align: center;\\n width: 1.25em;\\n}\\n\\n.fa-ul {\\n list-style-type: none;\\n margin-left: 2.5em;\\n padding-left: 0;\\n}\\n.fa-ul > li {\\n position: relative;\\n}\\n\\n.fa-li {\\n left: -2em;\\n position: absolute;\\n text-align: center;\\n width: 2em;\\n line-height: inherit;\\n}\\n\\n.fa-border {\\n border: solid 0.08em #eee;\\n border-radius: 0.1em;\\n padding: 0.2em 0.25em 0.15em;\\n}\\n\\n.fa-pull-left {\\n float: left;\\n}\\n\\n.fa-pull-right {\\n float: right;\\n}\\n\\n.fa.fa-pull-left,\\n.fas.fa-pull-left,\\n.far.fa-pull-left,\\n.fal.fa-pull-left,\\n.fab.fa-pull-left {\\n margin-right: 0.3em;\\n}\\n.fa.fa-pull-right,\\n.fas.fa-pull-right,\\n.far.fa-pull-right,\\n.fal.fa-pull-right,\\n.fab.fa-pull-right {\\n margin-left: 0.3em;\\n}\\n\\n.fa-spin {\\n -webkit-animation: fa-spin 2s infinite linear;\\n animation: fa-spin 2s infinite linear;\\n}\\n\\n.fa-pulse {\\n -webkit-animation: fa-spin 1s infinite steps(8);\\n animation: fa-spin 1s infinite steps(8);\\n}\\n\\n@-webkit-keyframes fa-spin {\\n 0% {\\n -webkit-transform: rotate(0deg);\\n transform: rotate(0deg);\\n }\\n 100% {\\n -webkit-transform: rotate(360deg);\\n transform: rotate(360deg);\\n }\\n}\\n\\n@keyframes fa-spin {\\n 0% {\\n -webkit-transform: rotate(0deg);\\n transform: rotate(0deg);\\n }\\n 100% {\\n -webkit-transform: rotate(360deg);\\n transform: rotate(360deg);\\n }\\n}\\n.fa-rotate-90 {\\n -ms-filter: \\\"progid:DXImageTransform.Microsoft.BasicImage(rotation=1)\\\";\\n -webkit-transform: rotate(90deg);\\n transform: rotate(90deg);\\n}\\n\\n.fa-rotate-180 {\\n -ms-filter: \\\"progid:DXImageTransform.Microsoft.BasicImage(rotation=2)\\\";\\n -webkit-transform: rotate(180deg);\\n transform: rotate(180deg);\\n}\\n\\n.fa-rotate-270 {\\n -ms-filter: \\\"progid:DXImageTransform.Microsoft.BasicImage(rotation=3)\\\";\\n -webkit-transform: rotate(270deg);\\n transform: rotate(270deg);\\n}\\n\\n.fa-flip-horizontal {\\n -ms-filter: \\\"progid:DXImageTransform.Microsoft.BasicImage(rotation=0, mirror=1)\\\";\\n -webkit-transform: scale(-1, 1);\\n transform: scale(-1, 1);\\n}\\n\\n.fa-flip-vertical {\\n -ms-filter: \\\"progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1)\\\";\\n -webkit-transform: scale(1, -1);\\n transform: scale(1, -1);\\n}\\n\\n.fa-flip-both, .fa-flip-horizontal.fa-flip-vertical {\\n -ms-filter: \\\"progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1)\\\";\\n -webkit-transform: scale(-1, -1);\\n transform: scale(-1, -1);\\n}\\n\\n:root .fa-rotate-90,\\n:root .fa-rotate-180,\\n:root .fa-rotate-270,\\n:root .fa-flip-horizontal,\\n:root .fa-flip-vertical,\\n:root .fa-flip-both {\\n -webkit-filter: none;\\n filter: none;\\n}\\n\\n.fa-stack {\\n display: inline-block;\\n height: 2em;\\n position: relative;\\n width: 2.5em;\\n}\\n\\n.fa-stack-1x,\\n.fa-stack-2x {\\n bottom: 0;\\n left: 0;\\n margin: auto;\\n position: absolute;\\n right: 0;\\n top: 0;\\n}\\n\\n.svg-inline--fa.fa-stack-1x {\\n height: 1em;\\n width: 1.25em;\\n}\\n.svg-inline--fa.fa-stack-2x {\\n height: 2em;\\n width: 2.5em;\\n}\\n\\n.fa-inverse {\\n color: #fff;\\n}\\n\\n.sr-only {\\n border: 0;\\n clip: rect(0, 0, 0, 0);\\n height: 1px;\\n margin: -1px;\\n overflow: hidden;\\n padding: 0;\\n position: absolute;\\n width: 1px;\\n}\\n\\n.sr-only-focusable:active, .sr-only-focusable:focus {\\n clip: auto;\\n height: auto;\\n margin: 0;\\n overflow: visible;\\n position: static;\\n width: auto;\\n}\";\n\nfunction css () {\n var dfp = DEFAULT_FAMILY_PREFIX;\n var drc = DEFAULT_REPLACEMENT_CLASS;\n var fp = config.familyPrefix;\n var rc = config.replacementClass;\n var s = baseStyles;\n\n if (fp !== dfp || rc !== drc) {\n var dPatt = new RegExp(\"\\\\.\".concat(dfp, \"\\\\-\"), 'g');\n var rPatt = new RegExp(\"\\\\.\".concat(drc), 'g');\n s = s.replace(dPatt, \".\".concat(fp, \"-\")).replace(rPatt, \".\".concat(rc));\n }\n\n return s;\n}\n\nvar Library =\n/*#__PURE__*/\nfunction () {\n function Library() {\n _classCallCheck(this, Library);\n\n this.definitions = {};\n }\n\n _createClass(Library, [{\n key: \"add\",\n value: function add() {\n var _this = this;\n\n for (var _len = arguments.length, definitions = new Array(_len), _key = 0; _key < _len; _key++) {\n definitions[_key] = arguments[_key];\n }\n\n var additions = definitions.reduce(this._pullDefinitions, {});\n Object.keys(additions).forEach(function (key) {\n _this.definitions[key] = _objectSpread({}, _this.definitions[key] || {}, additions[key]);\n defineIcons(key, additions[key]);\n build();\n });\n }\n }, {\n key: \"reset\",\n value: function reset() {\n this.definitions = {};\n }\n }, {\n key: \"_pullDefinitions\",\n value: function _pullDefinitions(additions, definition) {\n var normalized = definition.prefix && definition.iconName && definition.icon ? {\n 0: definition\n } : definition;\n Object.keys(normalized).map(function (key) {\n var _normalized$key = normalized[key],\n prefix = _normalized$key.prefix,\n iconName = _normalized$key.iconName,\n icon = _normalized$key.icon;\n if (!additions[prefix]) additions[prefix] = {};\n additions[prefix][iconName] = icon;\n });\n return additions;\n }\n }]);\n\n return Library;\n}();\n\nfunction prepIcon(icon) {\n var width = icon[0];\n var height = icon[1];\n var vectorData = icon.slice(4);\n return {\n found: true,\n width: width,\n height: height,\n icon: {\n tag: 'path',\n attributes: {\n fill: 'currentColor',\n d: vectorData[0]\n }\n }\n };\n}\n\nfunction ensureCss() {\n if (config.autoAddCss && !_cssInserted) {\n insertCss(css());\n\n _cssInserted = true;\n }\n}\n\nfunction apiObject(val, abstractCreator) {\n Object.defineProperty(val, 'abstract', {\n get: abstractCreator\n });\n Object.defineProperty(val, 'html', {\n get: function get() {\n return val.abstract.map(function (a) {\n return toHtml(a);\n });\n }\n });\n Object.defineProperty(val, 'node', {\n get: function get() {\n if (!IS_DOM) return;\n var container = DOCUMENT.createElement('div');\n container.innerHTML = val.html;\n return container.children;\n }\n });\n return val;\n}\n\nfunction findIconDefinition(iconLookup) {\n var _iconLookup$prefix = iconLookup.prefix,\n prefix = _iconLookup$prefix === void 0 ? 'fa' : _iconLookup$prefix,\n iconName = iconLookup.iconName;\n if (!iconName) return;\n return iconFromMapping(library.definitions, prefix, iconName) || iconFromMapping(namespace.styles, prefix, iconName);\n}\n\nfunction resolveIcons(next) {\n return function (maybeIconDefinition) {\n var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var iconDefinition = (maybeIconDefinition || {}).icon ? maybeIconDefinition : findIconDefinition(maybeIconDefinition || {});\n var mask = params.mask;\n\n if (mask) {\n mask = (mask || {}).icon ? mask : findIconDefinition(mask || {});\n }\n\n return next(iconDefinition, _objectSpread({}, params, {\n mask: mask\n }));\n };\n}\n\nvar library = new Library();\nvar noAuto = function noAuto() {\n config.autoReplaceSvg = false;\n config.observeMutations = false;\n disconnect();\n};\nvar _cssInserted = false;\nvar dom = {\n i2svg: function i2svg() {\n var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n if (IS_DOM) {\n ensureCss();\n var _params$node = params.node,\n node = _params$node === void 0 ? DOCUMENT : _params$node,\n _params$callback = params.callback,\n callback = _params$callback === void 0 ? function () {} : _params$callback;\n\n if (config.searchPseudoElements) {\n searchPseudoElements(node);\n }\n\n return onTree(node, callback);\n } else {\n return picked.reject('Operation requires a DOM of some kind.');\n }\n },\n css: css,\n insertCss: function insertCss$$1() {\n if (!_cssInserted) {\n insertCss(css());\n\n _cssInserted = true;\n }\n },\n watch: function watch() {\n var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n var autoReplaceSvgRoot = params.autoReplaceSvgRoot,\n observeMutationsRoot = params.observeMutationsRoot;\n\n if (config.autoReplaceSvg === false) {\n config.autoReplaceSvg = true;\n }\n\n config.observeMutations = true;\n domready(function () {\n autoReplace({\n autoReplaceSvgRoot: autoReplaceSvgRoot\n });\n observe({\n treeCallback: onTree,\n nodeCallback: onNode,\n pseudoElementsCallback: searchPseudoElements,\n observeMutationsRoot: observeMutationsRoot\n });\n });\n }\n};\nvar parse = {\n transform: function transform(transformString) {\n return parseTransformString(transformString);\n }\n};\nvar icon = resolveIcons(function (iconDefinition) {\n var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var _params$transform = params.transform,\n transform = _params$transform === void 0 ? meaninglessTransform : _params$transform,\n _params$symbol = params.symbol,\n symbol = _params$symbol === void 0 ? false : _params$symbol,\n _params$mask = params.mask,\n mask = _params$mask === void 0 ? null : _params$mask,\n _params$title = params.title,\n title = _params$title === void 0 ? null : _params$title,\n _params$classes = params.classes,\n classes = _params$classes === void 0 ? [] : _params$classes,\n _params$attributes = params.attributes,\n attributes = _params$attributes === void 0 ? {} : _params$attributes,\n _params$styles = params.styles,\n styles = _params$styles === void 0 ? {} : _params$styles;\n if (!iconDefinition) return;\n var prefix = iconDefinition.prefix,\n iconName = iconDefinition.iconName,\n icon = iconDefinition.icon;\n return apiObject(_objectSpread({\n type: 'icon'\n }, iconDefinition), function () {\n ensureCss();\n\n if (config.autoA11y) {\n if (title) {\n attributes['aria-labelledby'] = \"\".concat(config.replacementClass, \"-title-\").concat(nextUniqueId());\n } else {\n attributes['aria-hidden'] = 'true';\n attributes['focusable'] = 'false';\n }\n }\n\n return makeInlineSvgAbstract({\n icons: {\n main: prepIcon(icon),\n mask: mask ? prepIcon(mask.icon) : {\n found: false,\n width: null,\n height: null,\n icon: {}\n }\n },\n prefix: prefix,\n iconName: iconName,\n transform: _objectSpread({}, meaninglessTransform, transform),\n symbol: symbol,\n title: title,\n extra: {\n attributes: attributes,\n styles: styles,\n classes: classes\n }\n });\n });\n});\nvar text = function text(content) {\n var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var _params$transform2 = params.transform,\n transform = _params$transform2 === void 0 ? meaninglessTransform : _params$transform2,\n _params$title2 = params.title,\n title = _params$title2 === void 0 ? null : _params$title2,\n _params$classes2 = params.classes,\n classes = _params$classes2 === void 0 ? [] : _params$classes2,\n _params$attributes2 = params.attributes,\n attributes = _params$attributes2 === void 0 ? {} : _params$attributes2,\n _params$styles2 = params.styles,\n styles = _params$styles2 === void 0 ? {} : _params$styles2;\n return apiObject({\n type: 'text',\n content: content\n }, function () {\n ensureCss();\n return makeLayersTextAbstract({\n content: content,\n transform: _objectSpread({}, meaninglessTransform, transform),\n title: title,\n extra: {\n attributes: attributes,\n styles: styles,\n classes: [\"\".concat(config.familyPrefix, \"-layers-text\")].concat(_toConsumableArray(classes))\n }\n });\n });\n};\nvar counter = function counter(content) {\n var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var _params$title3 = params.title,\n title = _params$title3 === void 0 ? null : _params$title3,\n _params$classes3 = params.classes,\n classes = _params$classes3 === void 0 ? [] : _params$classes3,\n _params$attributes3 = params.attributes,\n attributes = _params$attributes3 === void 0 ? {} : _params$attributes3,\n _params$styles3 = params.styles,\n styles = _params$styles3 === void 0 ? {} : _params$styles3;\n return apiObject({\n type: 'counter',\n content: content\n }, function () {\n ensureCss();\n return makeLayersCounterAbstract({\n content: content.toString(),\n title: title,\n extra: {\n attributes: attributes,\n styles: styles,\n classes: [\"\".concat(config.familyPrefix, \"-layers-counter\")].concat(_toConsumableArray(classes))\n }\n });\n });\n};\nvar layer = function layer(assembler) {\n return apiObject({\n type: 'layer'\n }, function () {\n ensureCss();\n var children = [];\n assembler(function (args) {\n Array.isArray(args) ? args.map(function (a) {\n children = children.concat(a.abstract);\n }) : children = children.concat(args.abstract);\n });\n return [{\n tag: 'span',\n attributes: {\n class: \"\".concat(config.familyPrefix, \"-layers\")\n },\n children: children\n }];\n });\n};\nvar api = {\n noAuto: noAuto,\n config: config,\n dom: dom,\n library: library,\n parse: parse,\n findIconDefinition: findIconDefinition,\n icon: icon,\n text: text,\n counter: counter,\n layer: layer,\n toHtml: toHtml\n};\n\nvar autoReplace = function autoReplace() {\n var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n var _params$autoReplaceSv = params.autoReplaceSvgRoot,\n autoReplaceSvgRoot = _params$autoReplaceSv === void 0 ? DOCUMENT : _params$autoReplaceSv;\n if ((Object.keys(namespace.styles).length > 0 || config.autoFetchSvg) && IS_DOM && config.autoReplaceSvg) api.dom.i2svg({\n node: autoReplaceSvgRoot\n });\n};\n\n\n\n/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../../webpack/buildin/global.js */ \"./node_modules/webpack/buildin/global.js\"), __webpack_require__(/*! ./../../timers-browserify/main.js */ \"./node_modules/timers-browserify/main.js\").setImmediate))\n\n//# sourceURL=webpack:///./node_modules/@fortawesome/fontawesome-svg-core/index.es.js?");
-
-/***/ }),
-
-/***/ "./node_modules/@fortawesome/free-regular-svg-icons/index.es.js":
-/*!**********************************************************************!*\
- !*** ./node_modules/@fortawesome/free-regular-svg-icons/index.es.js ***!
- \**********************************************************************/
-/*! exports provided: far, prefix, faAddressBook, faAddressCard, faAngry, faArrowAltCircleDown, faArrowAltCircleLeft, faArrowAltCircleRight, faArrowAltCircleUp, faBell, faBellSlash, faBookmark, faBuilding, faCalendar, faCalendarAlt, faCalendarCheck, faCalendarMinus, faCalendarPlus, faCalendarTimes, faCaretSquareDown, faCaretSquareLeft, faCaretSquareRight, faCaretSquareUp, faChartBar, faCheckCircle, faCheckSquare, faCircle, faClipboard, faClock, faClone, faClosedCaptioning, faComment, faCommentAlt, faCommentDots, faComments, faCompass, faCopy, faCopyright, faCreditCard, faDizzy, faDotCircle, faEdit, faEnvelope, faEnvelopeOpen, faEye, faEyeSlash, faFile, faFileAlt, faFileArchive, faFileAudio, faFileCode, faFileExcel, faFileImage, faFilePdf, faFilePowerpoint, faFileVideo, faFileWord, faFlag, faFlushed, faFolder, faFolderOpen, faFontAwesomeLogoFull, faFrown, faFrownOpen, faFutbol, faGem, faGrimace, faGrin, faGrinAlt, faGrinBeam, faGrinBeamSweat, faGrinHearts, faGrinSquint, faGrinSquintTears, faGrinStars, faGrinTears, faGrinTongue, faGrinTongueSquint, faGrinTongueWink, faGrinWink, faHandLizard, faHandPaper, faHandPeace, faHandPointDown, faHandPointLeft, faHandPointRight, faHandPointUp, faHandPointer, faHandRock, faHandScissors, faHandSpock, faHandshake, faHdd, faHeart, faHospital, faHourglass, faIdBadge, faIdCard, faImage, faImages, faKeyboard, faKiss, faKissBeam, faKissWinkHeart, faLaugh, faLaughBeam, faLaughSquint, faLaughWink, faLemon, faLifeRing, faLightbulb, faListAlt, faMap, faMeh, faMehBlank, faMehRollingEyes, faMinusSquare, faMoneyBillAlt, faMoon, faNewspaper, faObjectGroup, faObjectUngroup, faPaperPlane, faPauseCircle, faPlayCircle, faPlusSquare, faQuestionCircle, faRegistered, faSadCry, faSadTear, faSave, faShareSquare, faSmile, faSmileBeam, faSmileWink, faSnowflake, faSquare, faStar, faStarHalf, faStickyNote, faStopCircle, faSun, faSurprise, faThumbsDown, faThumbsUp, faTimesCircle, faTired, faTrashAlt, faUser, faUserCircle, faWindowClose, faWindowMaximize, faWindowMinimize, faWindowRestore */
-/***/ (function(module, __webpack_exports__, __webpack_require__) {
-
-"use strict";
-eval("__webpack_require__.r(__webpack_exports__);\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"far\", function() { return _iconsCache; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"prefix\", function() { return prefix; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faAddressBook\", function() { return faAddressBook; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faAddressCard\", function() { return faAddressCard; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faAngry\", function() { return faAngry; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faArrowAltCircleDown\", function() { return faArrowAltCircleDown; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faArrowAltCircleLeft\", function() { return faArrowAltCircleLeft; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faArrowAltCircleRight\", function() { return faArrowAltCircleRight; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faArrowAltCircleUp\", function() { return faArrowAltCircleUp; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faBell\", function() { return faBell; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faBellSlash\", function() { return faBellSlash; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faBookmark\", function() { return faBookmark; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faBuilding\", function() { return faBuilding; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCalendar\", function() { return faCalendar; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCalendarAlt\", function() { return faCalendarAlt; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCalendarCheck\", function() { return faCalendarCheck; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCalendarMinus\", function() { return faCalendarMinus; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCalendarPlus\", function() { return faCalendarPlus; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCalendarTimes\", function() { return faCalendarTimes; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCaretSquareDown\", function() { return faCaretSquareDown; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCaretSquareLeft\", function() { return faCaretSquareLeft; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCaretSquareRight\", function() { return faCaretSquareRight; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCaretSquareUp\", function() { return faCaretSquareUp; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faChartBar\", function() { return faChartBar; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCheckCircle\", function() { return faCheckCircle; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCheckSquare\", function() { return faCheckSquare; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCircle\", function() { return faCircle; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faClipboard\", function() { return faClipboard; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faClock\", function() { return faClock; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faClone\", function() { return faClone; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faClosedCaptioning\", function() { return faClosedCaptioning; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faComment\", function() { return faComment; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCommentAlt\", function() { return faCommentAlt; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCommentDots\", function() { return faCommentDots; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faComments\", function() { return faComments; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCompass\", function() { return faCompass; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCopy\", function() { return faCopy; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCopyright\", function() { return faCopyright; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faCreditCard\", function() { return faCreditCard; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faDizzy\", function() { return faDizzy; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faDotCircle\", function() { return faDotCircle; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faEdit\", function() { return faEdit; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faEnvelope\", function() { return faEnvelope; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faEnvelopeOpen\", function() { return faEnvelopeOpen; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faEye\", function() { return faEye; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faEyeSlash\", function() { return faEyeSlash; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFile\", function() { return faFile; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFileAlt\", function() { return faFileAlt; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFileArchive\", function() { return faFileArchive; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFileAudio\", function() { return faFileAudio; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFileCode\", function() { return faFileCode; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFileExcel\", function() { return faFileExcel; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFileImage\", function() { return faFileImage; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFilePdf\", function() { return faFilePdf; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFilePowerpoint\", function() { return faFilePowerpoint; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFileVideo\", function() { return faFileVideo; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFileWord\", function() { return faFileWord; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFlag\", function() { return faFlag; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFlushed\", function() { return faFlushed; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFolder\", function() { return faFolder; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFolderOpen\", function() { return faFolderOpen; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFontAwesomeLogoFull\", function() { return faFontAwesomeLogoFull; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFrown\", function() { return faFrown; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFrownOpen\", function() { return faFrownOpen; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faFutbol\", function() { return faFutbol; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faGem\", function() { return faGem; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faGrimace\", function() { return faGrimace; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faGrin\", function() { return faGrin; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faGrinAlt\", function() { return faGrinAlt; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faGrinBeam\", function() { return faGrinBeam; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faGrinBeamSweat\", function() { return faGrinBeamSweat; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faGrinHearts\", function() { return faGrinHearts; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faGrinSquint\", function() { return faGrinSquint; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faGrinSquintTears\", function() { return faGrinSquintTears; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faGrinStars\", function() { return faGrinStars; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faGrinTears\", function() { return faGrinTears; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faGrinTongue\", function() { return faGrinTongue; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faGrinTongueSquint\", function() { return faGrinTongueSquint; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faGrinTongueWink\", function() { return faGrinTongueWink; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faGrinWink\", function() { return faGrinWink; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faHandLizard\", function() { return faHandLizard; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faHandPaper\", function() { return faHandPaper; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faHandPeace\", function() { return faHandPeace; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faHandPointDown\", function() { return faHandPointDown; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faHandPointLeft\", function() { return faHandPointLeft; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faHandPointRight\", function() { return faHandPointRight; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faHandPointUp\", function() { return faHandPointUp; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faHandPointer\", function() { return faHandPointer; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faHandRock\", function() { return faHandRock; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faHandScissors\", function() { return faHandScissors; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faHandSpock\", function() { return faHandSpock; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faHandshake\", function() { return faHandshake; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faHdd\", function() { return faHdd; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faHeart\", function() { return faHeart; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faHospital\", function() { return faHospital; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faHourglass\", function() { return faHourglass; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faIdBadge\", function() { return faIdBadge; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faIdCard\", function() { return faIdCard; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faImage\", function() { return faImage; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faImages\", function() { return faImages; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faKeyboard\", function() { return faKeyboard; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faKiss\", function() { return faKiss; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faKissBeam\", function() { return faKissBeam; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faKissWinkHeart\", function() { return faKissWinkHeart; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faLaugh\", function() { return faLaugh; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faLaughBeam\", function() { return faLaughBeam; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faLaughSquint\", function() { return faLaughSquint; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faLaughWink\", function() { return faLaughWink; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faLemon\", function() { return faLemon; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faLifeRing\", function() { return faLifeRing; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faLightbulb\", function() { return faLightbulb; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faListAlt\", function() { return faListAlt; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faMap\", function() { return faMap; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faMeh\", function() { return faMeh; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faMehBlank\", function() { return faMehBlank; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faMehRollingEyes\", function() { return faMehRollingEyes; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faMinusSquare\", function() { return faMinusSquare; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faMoneyBillAlt\", function() { return faMoneyBillAlt; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faMoon\", function() { return faMoon; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faNewspaper\", function() { return faNewspaper; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faObjectGroup\", function() { return faObjectGroup; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faObjectUngroup\", function() { return faObjectUngroup; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faPaperPlane\", function() { return faPaperPlane; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faPauseCircle\", function() { return faPauseCircle; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faPlayCircle\", function() { return faPlayCircle; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faPlusSquare\", function() { return faPlusSquare; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faQuestionCircle\", function() { return faQuestionCircle; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faRegistered\", function() { return faRegistered; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faSadCry\", function() { return faSadCry; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faSadTear\", function() { return faSadTear; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faSave\", function() { return faSave; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faShareSquare\", function() { return faShareSquare; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faSmile\", function() { return faSmile; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faSmileBeam\", function() { return faSmileBeam; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faSmileWink\", function() { return faSmileWink; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faSnowflake\", function() { return faSnowflake; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faSquare\", function() { return faSquare; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faStar\", function() { return faStar; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faStarHalf\", function() { return faStarHalf; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faStickyNote\", function() { return faStickyNote; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faStopCircle\", function() { return faStopCircle; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faSun\", function() { return faSun; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faSurprise\", function() { return faSurprise; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faThumbsDown\", function() { return faThumbsDown; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faThumbsUp\", function() { return faThumbsUp; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faTimesCircle\", function() { return faTimesCircle; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faTired\", function() { return faTired; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faTrashAlt\", function() { return faTrashAlt; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faUser\", function() { return faUser; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faUserCircle\", function() { return faUserCircle; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faWindowClose\", function() { return faWindowClose; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faWindowMaximize\", function() { return faWindowMaximize; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faWindowMinimize\", function() { return faWindowMinimize; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"faWindowRestore\", function() { return faWindowRestore; });\nvar prefix = \"far\";\nvar faAddressBook = {\n prefix: 'far',\n iconName: 'address-book',\n icon: [448, 512, [], \"f2b9\", \"M436 160c6.6 0 12-5.4 12-12v-40c0-6.6-5.4-12-12-12h-20V48c0-26.5-21.5-48-48-48H48C21.5 0 0 21.5 0 48v416c0 26.5 21.5 48 48 48h320c26.5 0 48-21.5 48-48v-48h20c6.6 0 12-5.4 12-12v-40c0-6.6-5.4-12-12-12h-20v-64h20c6.6 0 12-5.4 12-12v-40c0-6.6-5.4-12-12-12h-20v-64h20zm-68 304H48V48h320v416zM208 256c35.3 0 64-28.7 64-64s-28.7-64-64-64-64 28.7-64 64 28.7 64 64 64zm-89.6 128h179.2c12.4 0 22.4-8.6 22.4-19.2v-19.2c0-31.8-30.1-57.6-67.2-57.6-10.8 0-18.7 8-44.8 8-26.9 0-33.4-8-44.8-8-37.1 0-67.2 25.8-67.2 57.6v19.2c0 10.6 10 19.2 22.4 19.2z\"]\n};\nvar faAddressCard = {\n prefix: 'far',\n iconName: 'address-card',\n icon: [576, 512, [], \"f2bb\", \"M528 32H48C21.5 32 0 53.5 0 80v352c0 26.5 21.5 48 48 48h480c26.5 0 48-21.5 48-48V80c0-26.5-21.5-48-48-48zm0 400H48V80h480v352zM208 256c35.3 0 64-28.7 64-64s-28.7-64-64-64-64 28.7-64 64 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48-48V80c0-26.5-21.5-48-48-48zm0 394c0 3.3-2.7 6-6 6H54c-3.3 0-6-2.7-6-6V192h416v234z\"]\n};\nvar faWindowMinimize = {\n prefix: 'far',\n iconName: 'window-minimize',\n icon: [512, 512, [], \"f2d1\", \"M480 480H32c-17.7 0-32-14.3-32-32s14.3-32 32-32h448c17.7 0 32 14.3 32 32s-14.3 32-32 32z\"]\n};\nvar faWindowRestore = {\n prefix: 'far',\n iconName: 'window-restore',\n icon: [512, 512, [], \"f2d2\", \"M464 0H144c-26.5 0-48 21.5-48 48v48H48c-26.5 0-48 21.5-48 48v320c0 26.5 21.5 48 48 48h320c26.5 0 48-21.5 48-48v-48h48c26.5 0 48-21.5 48-48V48c0-26.5-21.5-48-48-48zm-96 464H48V256h320v208zm96-96h-48V144c0-26.5-21.5-48-48-48H144V48h320v320z\"]\n};\nvar _iconsCache = {\n faAddressBook: faAddressBook,\n faAddressCard: faAddressCard,\n faAngry: faAngry,\n faArrowAltCircleDown: faArrowAltCircleDown,\n faArrowAltCircleLeft: faArrowAltCircleLeft,\n faArrowAltCircleRight: faArrowAltCircleRight,\n faArrowAltCircleUp: faArrowAltCircleUp,\n faBell: faBell,\n faBellSlash: faBellSlash,\n faBookmark: faBookmark,\n faBuilding: faBuilding,\n faCalendar: faCalendar,\n faCalendarAlt: faCalendarAlt,\n faCalendarCheck: faCalendarCheck,\n faCalendarMinus: faCalendarMinus,\n faCalendarPlus: faCalendarPlus,\n faCalendarTimes: faCalendarTimes,\n faCaretSquareDown: faCaretSquareDown,\n faCaretSquareLeft: faCaretSquareLeft,\n faCaretSquareRight: faCaretSquareRight,\n faCaretSquareUp: faCaretSquareUp,\n faChartBar: faChartBar,\n faCheckCircle: faCheckCircle,\n faCheckSquare: faCheckSquare,\n faCircle: faCircle,\n faClipboard: faClipboard,\n faClock: faClock,\n faClone: faClone,\n faClosedCaptioning: faClosedCaptioning,\n faComment: faComment,\n faCommentAlt: faCommentAlt,\n faCommentDots: faCommentDots,\n faComments: faComments,\n faCompass: faCompass,\n faCopy: faCopy,\n faCopyright: faCopyright,\n faCreditCard: faCreditCard,\n faDizzy: faDizzy,\n faDotCircle: faDotCircle,\n faEdit: faEdit,\n faEnvelope: faEnvelope,\n faEnvelopeOpen: faEnvelopeOpen,\n faEye: faEye,\n faEyeSlash: faEyeSlash,\n faFile: faFile,\n faFileAlt: faFileAlt,\n faFileArchive: faFileArchive,\n faFileAudio: faFileAudio,\n faFileCode: faFileCode,\n faFileExcel: faFileExcel,\n faFileImage: faFileImage,\n faFilePdf: faFilePdf,\n faFilePowerpoint: faFilePowerpoint,\n faFileVideo: faFileVideo,\n faFileWord: faFileWord,\n faFlag: faFlag,\n faFlushed: faFlushed,\n faFolder: faFolder,\n faFolderOpen: faFolderOpen,\n faFontAwesomeLogoFull: faFontAwesomeLogoFull,\n faFrown: faFrown,\n faFrownOpen: faFrownOpen,\n faFutbol: faFutbol,\n faGem: faGem,\n faGrimace: faGrimace,\n faGrin: faGrin,\n faGrinAlt: faGrinAlt,\n faGrinBeam: faGrinBeam,\n faGrinBeamSweat: faGrinBeamSweat,\n faGrinHearts: faGrinHearts,\n faGrinSquint: faGrinSquint,\n faGrinSquintTears: faGrinSquintTears,\n faGrinStars: faGrinStars,\n faGrinTears: faGrinTears,\n faGrinTongue: faGrinTongue,\n faGrinTongueSquint: faGrinTongueSquint,\n faGrinTongueWink: faGrinTongueWink,\n faGrinWink: faGrinWink,\n faHandLizard: faHandLizard,\n faHandPaper: faHandPaper,\n faHandPeace: faHandPeace,\n faHandPointDown: faHandPointDown,\n faHandPointLeft: faHandPointLeft,\n faHandPointRight: faHandPointRight,\n faHandPointUp: faHandPointUp,\n faHandPointer: faHandPointer,\n faHandRock: faHandRock,\n faHandScissors: faHandScissors,\n faHandSpock: faHandSpock,\n faHandshake: faHandshake,\n faHdd: faHdd,\n faHeart: faHeart,\n faHospital: faHospital,\n faHourglass: faHourglass,\n faIdBadge: faIdBadge,\n faIdCard: faIdCard,\n faImage: faImage,\n faImages: faImages,\n faKeyboard: faKeyboard,\n faKiss: faKiss,\n faKissBeam: faKissBeam,\n faKissWinkHeart: faKissWinkHeart,\n faLaugh: faLaugh,\n faLaughBeam: faLaughBeam,\n faLaughSquint: faLaughSquint,\n faLaughWink: faLaughWink,\n faLemon: faLemon,\n faLifeRing: faLifeRing,\n faLightbulb: faLightbulb,\n faListAlt: faListAlt,\n faMap: faMap,\n faMeh: faMeh,\n faMehBlank: faMehBlank,\n faMehRollingEyes: faMehRollingEyes,\n faMinusSquare: faMinusSquare,\n faMoneyBillAlt: faMoneyBillAlt,\n faMoon: faMoon,\n faNewspaper: faNewspaper,\n faObjectGroup: faObjectGroup,\n faObjectUngroup: faObjectUngroup,\n faPaperPlane: faPaperPlane,\n faPauseCircle: faPauseCircle,\n faPlayCircle: faPlayCircle,\n faPlusSquare: faPlusSquare,\n faQuestionCircle: faQuestionCircle,\n faRegistered: faRegistered,\n faSadCry: faSadCry,\n faSadTear: faSadTear,\n faSave: faSave,\n faShareSquare: faShareSquare,\n faSmile: faSmile,\n faSmileBeam: faSmileBeam,\n faSmileWink: faSmileWink,\n faSnowflake: faSnowflake,\n faSquare: faSquare,\n faStar: faStar,\n faStarHalf: faStarHalf,\n faStickyNote: faStickyNote,\n faStopCircle: faStopCircle,\n faSun: faSun,\n faSurprise: faSurprise,\n faThumbsDown: faThumbsDown,\n faThumbsUp: faThumbsUp,\n faTimesCircle: faTimesCircle,\n faTired: faTired,\n faTrashAlt: faTrashAlt,\n faUser: faUser,\n faUserCircle: faUserCircle,\n faWindowClose: faWindowClose,\n faWindowMaximize: faWindowMaximize,\n faWindowMinimize: faWindowMinimize,\n faWindowRestore: faWindowRestore\n};\n\n\n\n\n//# sourceURL=webpack:///./node_modules/@fortawesome/free-regular-svg-icons/index.es.js?");
-
-/***/ }),
-
-/***/ "./node_modules/@fortawesome/react-fontawesome/index.es.js":
-/*!*****************************************************************!*\
- !*** ./node_modules/@fortawesome/react-fontawesome/index.es.js ***!
- \*****************************************************************/
-/*! exports provided: FontAwesomeIcon */
-/***/ (function(module, __webpack_exports__, __webpack_require__) {
-
-"use strict";
-eval("__webpack_require__.r(__webpack_exports__);\n/* WEBPACK VAR INJECTION */(function(global) {/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"FontAwesomeIcon\", function() { return FontAwesomeIcon; });\n/* harmony import */ var _fortawesome_fontawesome_svg_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @fortawesome/fontawesome-svg-core */ \"./node_modules/@fortawesome/fontawesome-svg-core/index.es.js\");\n/* harmony import */ var prop_types__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! prop-types */ \"./node_modules/prop-types/index.js\");\n/* harmony import */ var prop_types__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(prop_types__WEBPACK_IMPORTED_MODULE_1__);\n/* harmony import */ var react__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! react */ \"./node_modules/react/index.js\");\n/* harmony import */ var react__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(react__WEBPACK_IMPORTED_MODULE_2__);\n\n\n\n\nfunction _typeof(obj) {\n if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") {\n _typeof = function (obj) {\n return typeof obj;\n };\n } else {\n _typeof = function (obj) {\n return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n };\n }\n\n return _typeof(obj);\n}\n\nfunction _defineProperty(obj, key, value) {\n if (key in obj) {\n Object.defineProperty(obj, key, {\n value: value,\n enumerable: true,\n configurable: true,\n writable: true\n });\n } else {\n obj[key] = value;\n }\n\n return obj;\n}\n\nfunction _objectSpread(target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i] != null ? arguments[i] : {};\n var ownKeys = Object.keys(source);\n\n if (typeof Object.getOwnPropertySymbols === 'function') {\n ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {\n return Object.getOwnPropertyDescriptor(source, sym).enumerable;\n }));\n }\n\n ownKeys.forEach(function (key) {\n _defineProperty(target, key, source[key]);\n });\n }\n\n return target;\n}\n\nfunction _objectWithoutPropertiesLoose(source, excluded) {\n if (source == null) return {};\n var target = {};\n var sourceKeys = Object.keys(source);\n var key, i;\n\n for (i = 0; i < sourceKeys.length; i++) {\n key = sourceKeys[i];\n if (excluded.indexOf(key) >= 0) continue;\n target[key] = source[key];\n }\n\n return target;\n}\n\nfunction _objectWithoutProperties(source, excluded) {\n if (source == null) return {};\n\n var target = _objectWithoutPropertiesLoose(source, excluded);\n\n var key, i;\n\n if (Object.getOwnPropertySymbols) {\n var sourceSymbolKeys = Object.getOwnPropertySymbols(source);\n\n for (i = 0; i < sourceSymbolKeys.length; i++) {\n key = sourceSymbolKeys[i];\n if (excluded.indexOf(key) >= 0) continue;\n if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;\n target[key] = source[key];\n }\n }\n\n return target;\n}\n\nfunction _toConsumableArray(arr) {\n return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();\n}\n\nfunction _arrayWithoutHoles(arr) {\n if (Array.isArray(arr)) {\n for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];\n\n return arr2;\n }\n}\n\nfunction _iterableToArray(iter) {\n if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === \"[object Arguments]\") return Array.from(iter);\n}\n\nfunction _nonIterableSpread() {\n throw new TypeError(\"Invalid attempt to spread non-iterable instance\");\n}\n\nvar commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};\n\nfunction createCommonjsModule(fn, module) {\n\treturn module = { exports: {} }, fn(module, module.exports), module.exports;\n}\n\nvar humps = createCommonjsModule(function (module) {\n(function(global) {\n\n var _processKeys = function(convert, obj, options) {\n if(!_isObject(obj) || _isDate(obj) || _isRegExp(obj) || _isBoolean(obj) || _isFunction(obj)) {\n return obj;\n }\n\n var output,\n i = 0,\n l = 0;\n\n if(_isArray(obj)) {\n output = [];\n for(l=obj.length; i 2 && arguments[2] !== undefined ? arguments[2] : {};\n\n if (typeof element === 'string') {\n return element;\n }\n\n var children = (element.children || []).map(function (child) {\n return convert(createElement, child);\n });\n var mixins = Object.keys(element.attributes || {}).reduce(function (acc, key) {\n var val = element.attributes[key];\n\n switch (key) {\n case 'class':\n acc.attrs['className'] = val;\n delete element.attributes['class'];\n break;\n\n case 'style':\n acc.attrs['style'] = styleToObject(val);\n break;\n\n default:\n if (key.indexOf('aria-') === 0 || key.indexOf('data-') === 0) {\n acc.attrs[key.toLowerCase()] = val;\n } else {\n acc.attrs[humps.camelize(key)] = val;\n }\n\n }\n\n return acc;\n }, {\n attrs: {}\n });\n\n var _extraProps$style = extraProps.style,\n existingStyle = _extraProps$style === void 0 ? {} : _extraProps$style,\n remaining = _objectWithoutProperties(extraProps, [\"style\"]);\n\n mixins.attrs['style'] = _objectSpread({}, mixins.attrs['style'], existingStyle);\n return createElement.apply(void 0, [element.tag, _objectSpread({}, mixins.attrs, remaining)].concat(_toConsumableArray(children)));\n}\n\nvar PRODUCTION = false;\n\ntry {\n PRODUCTION = \"production\" === 'production';\n} catch (e) {}\n\nfunction log () {\n if (!PRODUCTION && console && typeof console.error === 'function') {\n var _console;\n\n (_console = console).error.apply(_console, arguments);\n }\n}\n\nfunction objectWithKey(key, value) {\n return Array.isArray(value) && value.length > 0 || !Array.isArray(value) && value ? _defineProperty({}, key, value) : {};\n}\n\nfunction classList(props) {\n var _classes;\n\n var classes = (_classes = {\n 'fa-spin': props.spin,\n 'fa-pulse': props.pulse,\n 'fa-fw': props.fixedWidth,\n 'fa-inverse': props.inverse,\n 'fa-border': props.border,\n 'fa-li': props.listItem,\n 'fa-flip-horizontal': props.flip === 'horizontal' || props.flip === 'both',\n 'fa-flip-vertical': props.flip === 'vertical' || props.flip === 'both'\n }, _defineProperty(_classes, \"fa-\".concat(props.size), props.size !== null), _defineProperty(_classes, \"fa-rotate-\".concat(props.rotation), props.rotation !== null), _defineProperty(_classes, \"fa-pull-\".concat(props.pull), props.pull !== null), _classes);\n return Object.keys(classes).map(function (key) {\n return classes[key] ? key : null;\n }).filter(function (key) {\n return key;\n });\n}\n\nfunction normalizeIconArgs(icon$$1) {\n if (icon$$1 === null) {\n return null;\n }\n\n if (_typeof(icon$$1) === 'object' && icon$$1.prefix && icon$$1.iconName) {\n return icon$$1;\n }\n\n if (Array.isArray(icon$$1) && icon$$1.length === 2) {\n return {\n prefix: icon$$1[0],\n iconName: icon$$1[1]\n };\n }\n\n if (typeof icon$$1 === 'string') {\n return {\n prefix: 'fas',\n iconName: icon$$1\n };\n }\n}\n\nfunction FontAwesomeIcon(props) {\n var iconArgs = props.icon,\n maskArgs = props.mask,\n symbol = props.symbol,\n className = props.className,\n title = props.title;\n var iconLookup = normalizeIconArgs(iconArgs);\n var classes = objectWithKey('classes', [].concat(_toConsumableArray(classList(props)), _toConsumableArray(className.split(' '))));\n var transform = objectWithKey('transform', typeof props.transform === 'string' ? _fortawesome_fontawesome_svg_core__WEBPACK_IMPORTED_MODULE_0__[\"parse\"].transform(props.transform) : props.transform);\n var mask = objectWithKey('mask', normalizeIconArgs(maskArgs));\n var renderedIcon = Object(_fortawesome_fontawesome_svg_core__WEBPACK_IMPORTED_MODULE_0__[\"icon\"])(iconLookup, _objectSpread({}, classes, transform, mask, {\n symbol: symbol,\n title: title\n }));\n\n if (!renderedIcon) {\n log('Could not find icon', iconLookup);\n return null;\n }\n\n var abstract = renderedIcon.abstract;\n var extraProps = {};\n Object.keys(props).forEach(function (key) {\n if (!FontAwesomeIcon.defaultProps.hasOwnProperty(key)) {\n extraProps[key] = props[key];\n }\n });\n return convertCurry(abstract[0], extraProps);\n}\nFontAwesomeIcon.displayName = 'FontAwesomeIcon';\nFontAwesomeIcon.propTypes = {\n border: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.bool,\n className: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.string,\n mask: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.oneOfType([prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.object, prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.array, prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.string]),\n fixedWidth: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.bool,\n inverse: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.bool,\n flip: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.oneOf(['horizontal', 'vertical', 'both']),\n icon: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.oneOfType([prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.object, prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.array, prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.string]),\n listItem: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.bool,\n pull: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.oneOf(['right', 'left']),\n pulse: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.bool,\n rotation: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.oneOf([90, 180, 270]),\n size: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.oneOf(['lg', 'xs', 'sm', '1x', '2x', '3x', '4x', '5x', '6x', '7x', '8x', '9x', '10x']),\n spin: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.bool,\n symbol: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.oneOfType([prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.bool, prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.string]),\n title: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.string,\n transform: prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.oneOfType([prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.string, prop_types__WEBPACK_IMPORTED_MODULE_1___default.a.object])\n};\nFontAwesomeIcon.defaultProps = {\n border: false,\n className: '',\n mask: null,\n fixedWidth: false,\n inverse: false,\n flip: null,\n icon: null,\n listItem: false,\n pull: null,\n pulse: false,\n rotation: null,\n size: null,\n spin: false,\n symbol: false,\n title: '',\n transform: null\n};\nvar convertCurry = convert.bind(null, react__WEBPACK_IMPORTED_MODULE_2___default.a.createElement);\n\n\n\n/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../../webpack/buildin/global.js */ \"./node_modules/webpack/buildin/global.js\")))\n\n//# sourceURL=webpack:///./node_modules/@fortawesome/react-fontawesome/index.es.js?");
-
-/***/ }),
-
-/***/ "./node_modules/acorn/dist/acorn.es.js":
-/*!*********************************************!*\
- !*** ./node_modules/acorn/dist/acorn.es.js ***!
- \*********************************************/
-/*! exports provided: version, parse, parseExpressionAt, tokenizer, parse_dammit, LooseParser, pluginsLoose, addLooseExports, Parser, plugins, defaultOptions, Position, SourceLocation, getLineInfo, Node, TokenType, tokTypes, keywordTypes, TokContext, tokContexts, isIdentifierChar, isIdentifierStart, Token, isNewLine, lineBreak, lineBreakG, nonASCIIwhitespace */
-/***/ (function(module, __webpack_exports__, __webpack_require__) {
-
-"use strict";
-eval("__webpack_require__.r(__webpack_exports__);\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"version\", function() { return version; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"parse\", function() { return parse; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"parseExpressionAt\", function() { return parseExpressionAt; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"tokenizer\", function() { return tokenizer; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"parse_dammit\", function() { return parse_dammit; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"LooseParser\", function() { return LooseParser; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"pluginsLoose\", function() { return pluginsLoose; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"addLooseExports\", function() { return addLooseExports; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Parser\", function() { return Parser; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"plugins\", function() { return plugins; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"defaultOptions\", function() { return defaultOptions; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Position\", function() { return Position; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"SourceLocation\", function() { return SourceLocation; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"getLineInfo\", function() { return getLineInfo; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Node\", function() { return Node; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"TokenType\", function() { return TokenType; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"tokTypes\", function() { return types; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"keywordTypes\", function() { return keywords$1; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"TokContext\", function() { return TokContext; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"tokContexts\", function() { return types$1; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"isIdentifierChar\", function() { return isIdentifierChar; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"isIdentifierStart\", function() { return isIdentifierStart; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"Token\", function() { return Token; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"isNewLine\", function() { return isNewLine; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"lineBreak\", function() { return lineBreak; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"lineBreakG\", function() { return lineBreakG; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"nonASCIIwhitespace\", function() { return nonASCIIwhitespace; });\n// Reserved word lists for various dialects of the language\n\nvar reservedWords = {\n 3: \"abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile\",\n 5: \"class enum extends super const export import\",\n 6: \"enum\",\n strict: \"implements interface let package private protected public static yield\",\n strictBind: \"eval arguments\"\n};\n\n// And the keywords\n\nvar ecma5AndLessKeywords = \"break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this\";\n\nvar keywords = {\n 5: ecma5AndLessKeywords,\n 6: ecma5AndLessKeywords + \" const class extends export import super\"\n};\n\nvar keywordRelationalOperator = /^in(stanceof)?$/;\n\n// ## Character categories\n\n// Big ugly regular expressions that match characters in the\n// whitespace, identifier, and identifier-start categories. 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r nonASCIIidentifierChars = \"\\u200c\\u200d\\xb7\\u0300-\\u036f\\u0387\\u0483-\\u0487\\u0591-\\u05bd\\u05bf\\u05c1\\u05c2\\u05c4\\u05c5\\u05c7\\u0610-\\u061a\\u064b-\\u0669\\u0670\\u06d6-\\u06dc\\u06df-\\u06e4\\u06e7\\u06e8\\u06ea-\\u06ed\\u06f0-\\u06f9\\u0711\\u0730-\\u074a\\u07a6-\\u07b0\\u07c0-\\u07c9\\u07eb-\\u07f3\\u07fd\\u0816-\\u0819\\u081b-\\u0823\\u0825-\\u0827\\u0829-\\u082d\\u0859-\\u085b\\u08d3-\\u08e1\\u08e3-\\u0903\\u093a-\\u093c\\u093e-\\u094f\\u0951-\\u0957\\u0962\\u0963\\u0966-\\u096f\\u0981-\\u0983\\u09bc\\u09be-\\u09c4\\u09c7\\u09c8\\u09cb-\\u09cd\\u09d7\\u09e2\\u09e3\\u09e6-\\u09ef\\u09fe\\u0a01-\\u0a03\\u0a3c\\u0a3e-\\u0a42\\u0a47\\u0a48\\u0a4b-\\u0a4d\\u0a51\\u0a66-\\u0a71\\u0a75\\u0a81-\\u0a83\\u0abc\\u0abe-\\u0ac5\\u0ac7-\\u0ac9\\u0acb-\\u0acd\\u0ae2\\u0ae3\\u0ae6-\\u0aef\\u0afa-\\u0aff\\u0b01-\\u0b03\\u0b3c\\u0b3e-\\u0b44\\u0b47\\u0b48\\u0b4b-\\u0b4d\\u0b56\\u0b57\\u0b62\\u0b63\\u0b66-\\u0b6f\\u0b82\\u0bbe-\\u0bc2\\u0bc6-\\u0bc8\\u0bca-\\u0bcd\\u0bd7\\u0be6-\\u0bef\\u0c00-\\u0c04\\u0c3e-\\u0c44\\u0c46-\\u0c48\\u0c4a-\\u0c4d\\u0c55\\u0c56\\u0c62\\u0c63\\u0c66-\\u0c6f\\u0c81-\\u0c83\\u0cbc\\u0cbe-\\u0cc4\\u0cc6-\\u0cc8\\u0cca-\\u0ccd\\u0cd5\\u0cd6\\u0ce2\\u0ce3\\u0ce6-\\u0cef\\u0d00-\\u0d03\\u0d3b\\u0d3c\\u0d3e-\\u0d44\\u0d46-\\u0d48\\u0d4a-\\u0d4d\\u0d57\\u0d62\\u0d63\\u0d66-\\u0d6f\\u0d82\\u0d83\\u0dca\\u0dcf-\\u0dd4\\u0dd6\\u0dd8-\\u0ddf\\u0de6-\\u0def\\u0df2\\u0df3\\u0e31\\u0e34-\\u0e3a\\u0e47-\\u0e4e\\u0e50-\\u0e59\\u0eb1\\u0eb4-\\u0eb9\\u0ebb\\u0ebc\\u0ec8-\\u0ecd\\u0ed0-\\u0ed9\\u0f18\\u0f19\\u0f20-\\u0f29\\u0f35\\u0f37\\u0f39\\u0f3e\\u0f3f\\u0f71-\\u0f84\\u0f86\\u0f87\\u0f8d-\\u0f97\\u0f99-\\u0fbc\\u0fc6\\u102b-\\u103e\\u1040-\\u1049\\u1056-\\u1059\\u105e-\\u1060\\u1062-\\u1064\\u1067-\\u106d\\u1071-\\u1074\\u1082-\\u108d\\u108f-\\u109d\\u135d-\\u135f\\u1369-\\u1371\\u1712-\\u1714\\u1732-\\u1734\\u1752\\u1753\\u1772\\u1773\\u17b4-\\u17d3\\u17dd\\u17e0-\\u17e9\\u180b-\\u180d\\u1810-\\u1819\\u18a9\\u1920-\\u192b\\u1930-\\u193b\\u1946-\\u194f\\u19d0-\\u19da\\u1a17-\\u1a1b\\u1a55-\\u1a5e\\u1a60-\\u1a7c\\u1a7f-\\u1a89\\u1a90-\\u1a99\\u1ab0-\\u1abd\\u1b00-\\u1b04\\u1b34-\\u1b44\\u1b50-\\u1b59\\u1b6b-\\u1b73\\u1b80-\\u1b82\\u1ba1-\\u1bad\\u1bb0-\\u1bb9\\u1be6-\\u1bf3\\u1c24-\\u1c37\\u1c40-\\u1c49\\u1c50-\\u1c59\\u1cd0-\\u1cd2\\u1cd4-\\u1ce8\\u1ced\\u1cf2-\\u1cf4\\u1cf7-\\u1cf9\\u1dc0-\\u1df9\\u1dfb-\\u1dff\\u203f\\u2040\\u2054\\u20d0-\\u20dc\\u20e1\\u20e5-\\u20f0\\u2cef-\\u2cf1\\u2d7f\\u2de0-\\u2dff\\u302a-\\u302f\\u3099\\u309a\\ua620-\\ua629\\ua66f\\ua674-\\ua67d\\ua69e\\ua69f\\ua6f0\\ua6f1\\ua802\\ua806\\ua80b\\ua823-\\ua827\\ua880\\ua881\\ua8b4-\\ua8c5\\ua8d0-\\ua8d9\\ua8e0-\\ua8f1\\ua8ff-\\ua909\\ua926-\\ua92d\\ua947-\\ua953\\ua980-\\ua983\\ua9b3-\\ua9c0\\ua9d0-\\ua9d9\\ua9e5\\ua9f0-\\ua9f9\\uaa29-\\uaa36\\uaa43\\uaa4c\\uaa4d\\uaa50-\\uaa59\\uaa7b-\\uaa7d\\uaab0\\uaab2-\\uaab4\\uaab7\\uaab8\\uaabe\\uaabf\\uaac1\\uaaeb-\\uaaef\\uaaf5\\uaaf6\\uabe3-\\uabea\\uabec\\uabed\\uabf0-\\uabf9\\ufb1e\\ufe00-\\ufe0f\\ufe20-\\ufe2f\\ufe33\\ufe34\\ufe4d-\\ufe4f\\uff10-\\uff19\\uff3f\";\n\nvar nonASCIIidentifierStart = new RegExp(\"[\" + nonASCIIidentifierStartChars + \"]\");\nvar nonASCIIidentifier = new RegExp(\"[\" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + \"]\");\n\nnonASCIIidentifierStartChars = nonASCIIidentifierChars = null;\n\n// These are a run-length and offset encoded representation of the\n// >0xffff code points that are a valid part of identifiers. The\n// offset starts at 0x10000, and each pair of numbers represents an\n// offset to the next range, and then a size of the range. They were\n// generated by bin/generate-identifier-regex.js\n\n// eslint-disable-next-line comma-spacing\nvar astralIdentifierStartCodes = [0,11,2,25,2,18,2,1,2,14,3,13,35,122,70,52,268,28,4,48,48,31,14,29,6,37,11,29,3,35,5,7,2,4,43,157,19,35,5,35,5,39,9,51,157,310,10,21,11,7,153,5,3,0,2,43,2,1,4,0,3,22,11,22,10,30,66,18,2,1,11,21,11,25,71,55,7,1,65,0,16,3,2,2,2,28,43,28,4,28,36,7,2,27,28,53,11,21,11,18,14,17,111,72,56,50,14,50,14,35,477,28,11,0,9,21,190,52,76,44,33,24,27,35,30,0,12,34,4,0,13,47,15,3,22,0,2,0,36,17,2,24,85,6,2,0,2,3,2,14,2,9,8,46,39,7,3,1,3,21,2,6,2,1,2,4,4,0,19,0,13,4,159,52,19,3,54,47,21,1,2,0,185,46,42,3,37,47,21,0,60,42,86,26,230,43,117,63,32,0,257,0,11,39,8,0,22,0,12,39,3,3,20,0,35,56,264,8,2,36,18,0,50,29,113,6,2,1,2,37,22,0,26,5,2,1,2,31,15,0,328,18,270,921,103,110,18,195,2749,1070,4050,582,8634,568,8,30,114,29,19,47,17,3,32,20,6,18,689,63,129,68,12,0,67,12,65,1,31,6129,15,754,9486,286,82,395,2309,106,6,12,4,8,8,9,5991,84,2,70,2,1,3,0,3,1,3,3,2,11,2,0,2,6,2,64,2,3,3,7,2,6,2,27,2,3,2,4,2,0,4,6,2,339,3,24,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,7,4149,196,60,67,1213,3,2,26,2,1,2,0,3,0,2,9,2,3,2,0,2,0,7,0,5,0,2,0,2,0,2,2,2,1,2,0,3,0,2,0,2,0,2,0,2,0,2,1,2,0,3,3,2,6,2,3,2,3,2,0,2,9,2,16,6,2,2,4,2,16,4421,42710,42,4148,12,221,3,5761,15,7472,3104,541];\n\n// eslint-disable-next-line comma-spacing\nvar astralIdentifierCodes = [509,0,227,0,150,4,294,9,1368,2,2,1,6,3,41,2,5,0,166,1,574,3,9,9,525,10,176,2,54,14,32,9,16,3,46,10,54,9,7,2,37,13,2,9,6,1,45,0,13,2,49,13,9,3,4,9,83,11,7,0,161,11,6,9,7,3,56,1,2,6,3,1,3,2,10,0,11,1,3,6,4,4,193,17,10,9,5,0,82,19,13,9,214,6,3,8,28,1,83,16,16,9,82,12,9,9,84,14,5,9,243,14,166,9,280,9,41,6,2,3,9,0,10,10,47,15,406,7,2,7,17,9,57,21,2,13,123,5,4,0,2,1,2,6,2,0,9,9,49,4,2,1,2,4,9,9,330,3,19306,9,135,4,60,6,26,9,1016,45,17,3,19723,1,5319,4,4,5,9,7,3,6,31,3,149,2,1418,49,513,54,5,49,9,0,15,0,23,4,2,14,1361,6,2,16,3,6,2,1,2,4,2214,6,110,6,6,9,792487,239];\n\n// This has a complexity linear to the value of the code. The\n// assumption is that looking up astral identifier characters is\n// rare.\nfunction isInAstralSet(code, set) {\n var pos = 0x10000;\n for (var i = 0; i < set.length; i += 2) {\n pos += set[i];\n if (pos > code) { return false }\n pos += set[i + 1];\n if (pos >= code) { return true }\n }\n}\n\n// Test whether a given character code starts an identifier.\n\nfunction isIdentifierStart(code, astral) {\n if (code < 65) { return code === 36 }\n if (code < 91) { return true }\n if (code < 97) { return code === 95 }\n if (code < 123) { return true }\n if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code)) }\n if (astral === false) { return false }\n return isInAstralSet(code, astralIdentifierStartCodes)\n}\n\n// Test whether a given character is part of an identifier.\n\nfunction isIdentifierChar(code, astral) {\n if (code < 48) { return code === 36 }\n if (code < 58) { return true }\n if (code < 65) { return false }\n if (code < 91) { return true }\n if (code < 97) { return code === 95 }\n if (code < 123) { return true }\n if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code)) }\n if (astral === false) { return false }\n return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes)\n}\n\n// ## Token types\n\n// The assignment of fine-grained, information-carrying type objects\n// allows the tokenizer to store the information it has about a\n// token in a way that is very cheap for the parser to look up.\n\n// All token type variables start with an underscore, to make them\n// easy to recognize.\n\n// The `beforeExpr` property is used to disambiguate between regular\n// expressions and divisions. It is set on all token types that can\n// be followed by an expression (thus, a slash after them would be a\n// regular expression).\n//\n// The `startsExpr` property is used to check if the token ends a\n// `yield` expression. It is set on all token types that either can\n// directly start an expression (like a quotation mark) or can\n// continue an expression (like the body of a string).\n//\n// `isLoop` marks a keyword as starting a loop, which is important\n// to know when parsing a label, in order to allow or disallow\n// continue jumps to that label.\n\nvar TokenType = function TokenType(label, conf) {\n if ( conf === void 0 ) conf = {};\n\n this.label = label;\n this.keyword = conf.keyword;\n this.beforeExpr = !!conf.beforeExpr;\n this.startsExpr = !!conf.startsExpr;\n this.isLoop = !!conf.isLoop;\n this.isAssign = !!conf.isAssign;\n this.prefix = !!conf.prefix;\n this.postfix = !!conf.postfix;\n this.binop = conf.binop || null;\n this.updateContext = null;\n};\n\nfunction binop(name, prec) {\n return new TokenType(name, {beforeExpr: true, binop: prec})\n}\nvar beforeExpr = {beforeExpr: true};\nvar startsExpr = {startsExpr: true};\n\n// Map keyword names to token types.\n\nvar keywords$1 = {};\n\n// Succinct definitions of keyword token types\nfunction kw(name, options) {\n if ( options === void 0 ) options = {};\n\n options.keyword = name;\n return keywords$1[name] = new TokenType(name, options)\n}\n\nvar types = {\n num: new TokenType(\"num\", startsExpr),\n regexp: new TokenType(\"regexp\", startsExpr),\n string: new TokenType(\"string\", startsExpr),\n name: new TokenType(\"name\", startsExpr),\n eof: new TokenType(\"eof\"),\n\n // Punctuation token types.\n bracketL: new TokenType(\"[\", {beforeExpr: true, startsExpr: true}),\n bracketR: new TokenType(\"]\"),\n braceL: new TokenType(\"{\", {beforeExpr: true, startsExpr: true}),\n braceR: new TokenType(\"}\"),\n parenL: new TokenType(\"(\", {beforeExpr: true, startsExpr: true}),\n parenR: new TokenType(\")\"),\n comma: new TokenType(\",\", beforeExpr),\n semi: new TokenType(\";\", beforeExpr),\n colon: new TokenType(\":\", beforeExpr),\n dot: new TokenType(\".\"),\n question: new TokenType(\"?\", beforeExpr),\n arrow: new TokenType(\"=>\", beforeExpr),\n template: new TokenType(\"template\"),\n invalidTemplate: new TokenType(\"invalidTemplate\"),\n ellipsis: new TokenType(\"...\", beforeExpr),\n backQuote: new TokenType(\"`\", startsExpr),\n dollarBraceL: new TokenType(\"${\", {beforeExpr: true, startsExpr: true}),\n\n // Operators. These carry several kinds of properties to help the\n // parser use them properly (the presence of these properties is\n // what categorizes them as operators).\n //\n // `binop`, when present, specifies that this operator is a binary\n // operator, and will refer to its precedence.\n //\n // `prefix` and `postfix` mark the operator as a prefix or postfix\n // unary operator.\n //\n // `isAssign` marks all of `=`, `+=`, `-=` etcetera, which act as\n // binary operators with a very low precedence, that should result\n // in AssignmentExpression nodes.\n\n eq: new TokenType(\"=\", {beforeExpr: true, isAssign: true}),\n assign: new TokenType(\"_=\", {beforeExpr: true, isAssign: true}),\n incDec: new TokenType(\"++/--\", {prefix: true, postfix: true, startsExpr: true}),\n prefix: new TokenType(\"!/~\", {beforeExpr: true, prefix: true, startsExpr: true}),\n logicalOR: binop(\"||\", 1),\n logicalAND: binop(\"&&\", 2),\n bitwiseOR: binop(\"|\", 3),\n bitwiseXOR: binop(\"^\", 4),\n bitwiseAND: binop(\"&\", 5),\n equality: binop(\"==/!=/===/!==\", 6),\n relational: binop(\"/<=/>=\", 7),\n bitShift: binop(\"<>/>>>\", 8),\n plusMin: new TokenType(\"+/-\", {beforeExpr: true, binop: 9, prefix: true, startsExpr: true}),\n modulo: binop(\"%\", 10),\n star: binop(\"*\", 10),\n slash: binop(\"/\", 10),\n starstar: new TokenType(\"**\", {beforeExpr: true}),\n\n // Keyword token types.\n _break: kw(\"break\"),\n _case: kw(\"case\", beforeExpr),\n _catch: kw(\"catch\"),\n _continue: kw(\"continue\"),\n _debugger: kw(\"debugger\"),\n _default: kw(\"default\", beforeExpr),\n _do: kw(\"do\", {isLoop: true, beforeExpr: true}),\n _else: kw(\"else\", beforeExpr),\n _finally: kw(\"finally\"),\n _for: kw(\"for\", {isLoop: true}),\n _function: kw(\"function\", startsExpr),\n _if: kw(\"if\"),\n _return: kw(\"return\", beforeExpr),\n _switch: kw(\"switch\"),\n _throw: kw(\"throw\", beforeExpr),\n _try: kw(\"try\"),\n _var: kw(\"var\"),\n _const: kw(\"const\"),\n _while: kw(\"while\", {isLoop: true}),\n _with: kw(\"with\"),\n _new: kw(\"new\", {beforeExpr: true, startsExpr: true}),\n _this: kw(\"this\", startsExpr),\n _super: kw(\"super\", startsExpr),\n _class: kw(\"class\", startsExpr),\n _extends: kw(\"extends\", beforeExpr),\n _export: kw(\"export\"),\n _import: kw(\"import\"),\n _null: kw(\"null\", startsExpr),\n _true: kw(\"true\", startsExpr),\n _false: kw(\"false\", startsExpr),\n _in: kw(\"in\", {beforeExpr: true, binop: 7}),\n _instanceof: kw(\"instanceof\", {beforeExpr: true, binop: 7}),\n _typeof: kw(\"typeof\", {beforeExpr: true, prefix: true, startsExpr: true}),\n _void: kw(\"void\", {beforeExpr: true, prefix: true, startsExpr: true}),\n _delete: kw(\"delete\", {beforeExpr: true, prefix: true, startsExpr: true})\n};\n\n// Matches a whole line break (where CRLF is considered a single\n// line break). Used to count lines.\n\nvar lineBreak = /\\r\\n?|\\n|\\u2028|\\u2029/;\nvar lineBreakG = new RegExp(lineBreak.source, \"g\");\n\nfunction isNewLine(code, ecma2019String) {\n return code === 10 || code === 13 || (!ecma2019String && (code === 0x2028 || code === 0x2029))\n}\n\nvar nonASCIIwhitespace = /[\\u1680\\u180e\\u2000-\\u200a\\u202f\\u205f\\u3000\\ufeff]/;\n\nvar skipWhiteSpace = /(?:\\s|\\/\\/.*|\\/\\*[^]*?\\*\\/)*/g;\n\nvar ref = Object.prototype;\nvar hasOwnProperty = ref.hasOwnProperty;\nvar toString = ref.toString;\n\n// Checks if an object has a property.\n\nfunction has(obj, propName) {\n return hasOwnProperty.call(obj, propName)\n}\n\nvar isArray = Array.isArray || (function (obj) { return (\n toString.call(obj) === \"[object Array]\"\n); });\n\n// These are used when `options.locations` is on, for the\n// `startLoc` and `endLoc` properties.\n\nvar Position = function Position(line, col) {\n this.line = line;\n this.column = col;\n};\n\nPosition.prototype.offset = function offset (n) {\n return new Position(this.line, this.column + n)\n};\n\nvar SourceLocation = function SourceLocation(p, start, end) {\n this.start = start;\n this.end = end;\n if (p.sourceFile !== null) { this.source = p.sourceFile; }\n};\n\n// The `getLineInfo` function is mostly useful when the\n// `locations` option is off (for performance reasons) and you\n// want to find the line/column position for a given character\n// offset. `input` should be the code string that the offset refers\n// into.\n\nfunction getLineInfo(input, offset) {\n for (var line = 1, cur = 0;;) {\n lineBreakG.lastIndex = cur;\n var match = lineBreakG.exec(input);\n if (match && match.index < offset) {\n ++line;\n cur = match.index + match[0].length;\n } else {\n return new Position(line, offset - cur)\n }\n }\n}\n\n// A second optional argument can be given to further configure\n// the parser process. These options are recognized:\n\nvar defaultOptions = {\n // `ecmaVersion` indicates the ECMAScript version to parse. Must\n // be either 3, 5, 6 (2015), 7 (2016), or 8 (2017). This influences support\n // for strict mode, the set of reserved words, and support for\n // new syntax features. The default is 7.\n ecmaVersion: 7,\n // `sourceType` indicates the mode the code should be parsed in.\n // Can be either `\"script\"` or `\"module\"`. This influences global\n // strict mode and parsing of `import` and `export` declarations.\n sourceType: \"script\",\n // `onInsertedSemicolon` can be a callback that will be called\n // when a semicolon is automatically inserted. It will be passed\n // th position of the comma as an offset, and if `locations` is\n // enabled, it is given the location as a `{line, column}` object\n // as second argument.\n onInsertedSemicolon: null,\n // `onTrailingComma` is similar to `onInsertedSemicolon`, but for\n // trailing commas.\n onTrailingComma: null,\n // By default, reserved words are only enforced if ecmaVersion >= 5.\n // Set `allowReserved` to a boolean value to explicitly turn this on\n // an off. When this option has the value \"never\", reserved words\n // and keywords can also not be used as property names.\n allowReserved: null,\n // When enabled, a return at the top level is not considered an\n // error.\n allowReturnOutsideFunction: false,\n // When enabled, import/export statements are not constrained to\n // appearing at the top of the program.\n allowImportExportEverywhere: false,\n // When enabled, await identifiers are allowed to appear at the top-level scope,\n // but they are still not allowed in non-async functions.\n allowAwaitOutsideFunction: false,\n // When enabled, hashbang directive in the beginning of file\n // is allowed and treated as a line comment.\n allowHashBang: false,\n // When `locations` is on, `loc` properties holding objects with\n // `start` and `end` properties in `{line, column}` form (with\n // line being 1-based and column 0-based) will be attached to the\n // nodes.\n locations: false,\n // A function can be passed as `onToken` option, which will\n // cause Acorn to call that function with object in the same\n // format as tokens returned from `tokenizer().getToken()`. Note\n // that you are not allowed to call the parser from the\n // callback—that will corrupt its internal state.\n onToken: null,\n // A function can be passed as `onComment` option, which will\n // cause Acorn to call that function with `(block, text, start,\n // end)` parameters whenever a comment is skipped. `block` is a\n // boolean indicating whether this is a block (`/* */`) comment,\n // `text` is the content of the comment, and `start` and `end` are\n // character offsets that denote the start and end of the comment.\n // When the `locations` option is on, two more parameters are\n // passed, the full `{line, column}` locations of the start and\n // end of the comments. Note that you are not allowed to call the\n // parser from the callback—that will corrupt its internal state.\n onComment: null,\n // Nodes have their start and end characters offsets recorded in\n // `start` and `end` properties (directly on the node, rather than\n // the `loc` object, which holds line/column data. To also add a\n // [semi-standardized][range] `range` property holding a `[start,\n // end]` array with the same numbers, set the `ranges` option to\n // `true`.\n //\n // [range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678\n ranges: false,\n // It is possible to parse multiple files into a single AST by\n // passing the tree produced by parsing the first file as\n // `program` option in subsequent parses. This will add the\n // toplevel forms of the parsed file to the `Program` (top) node\n // of an existing parse tree.\n program: null,\n // When `locations` is on, you can pass this to record the source\n // file in every node's `loc` object.\n sourceFile: null,\n // This value, if given, is stored in every node, whether\n // `locations` is on or off.\n directSourceFile: null,\n // When enabled, parenthesized expressions are represented by\n // (non-standard) ParenthesizedExpression nodes\n preserveParens: false,\n plugins: {}\n};\n\n// Interpret and default an options object\n\nfunction getOptions(opts) {\n var options = {};\n\n for (var opt in defaultOptions)\n { options[opt] = opts && has(opts, opt) ? opts[opt] : defaultOptions[opt]; }\n\n if (options.ecmaVersion >= 2015)\n { options.ecmaVersion -= 2009; }\n\n if (options.allowReserved == null)\n { options.allowReserved = options.ecmaVersion < 5; }\n\n if (isArray(options.onToken)) {\n var tokens = options.onToken;\n options.onToken = function (token) { return tokens.push(token); };\n }\n if (isArray(options.onComment))\n { options.onComment = pushComment(options, options.onComment); }\n\n return options\n}\n\nfunction pushComment(options, array) {\n return function(block, text, start, end, startLoc, endLoc) {\n var comment = {\n type: block ? \"Block\" : \"Line\",\n value: text,\n start: start,\n end: end\n };\n if (options.locations)\n { comment.loc = new SourceLocation(this, startLoc, endLoc); }\n if (options.ranges)\n { comment.range = [start, end]; }\n array.push(comment);\n }\n}\n\n// Registered plugins\nvar plugins = {};\n\nfunction keywordRegexp(words) {\n return new RegExp(\"^(?:\" + words.replace(/ /g, \"|\") + \")$\")\n}\n\nvar Parser = function Parser(options, input, startPos) {\n this.options = options = getOptions(options);\n this.sourceFile = options.sourceFile;\n this.keywords = keywordRegexp(keywords[options.ecmaVersion >= 6 ? 6 : 5]);\n var reserved = \"\";\n if (!options.allowReserved) {\n for (var v = options.ecmaVersion;; v--)\n { if (reserved = reservedWords[v]) { break } }\n if (options.sourceType === \"module\") { reserved += \" await\"; }\n }\n this.reservedWords = keywordRegexp(reserved);\n var reservedStrict = (reserved ? reserved + \" \" : \"\") + reservedWords.strict;\n this.reservedWordsStrict = keywordRegexp(reservedStrict);\n this.reservedWordsStrictBind = keywordRegexp(reservedStrict + \" \" + reservedWords.strictBind);\n this.input = String(input);\n\n // Used to signal to callers of `readWord1` whether the word\n // contained any escape sequences. This is needed because words with\n // escape sequences must not be interpreted as keywords.\n this.containsEsc = false;\n\n // Load plugins\n this.loadPlugins(options.plugins);\n\n // Set up token state\n\n // The current position of the tokenizer in the input.\n if (startPos) {\n this.pos = startPos;\n this.lineStart = this.input.lastIndexOf(\"\\n\", startPos - 1) + 1;\n this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length;\n } else {\n this.pos = this.lineStart = 0;\n this.curLine = 1;\n }\n\n // Properties of the current token:\n // Its type\n this.type = types.eof;\n // For tokens that include more information than their type, the value\n this.value = null;\n // Its start and end offset\n this.start = this.end = this.pos;\n // And, if locations are used, the {line, column} object\n // corresponding to those offsets\n this.startLoc = this.endLoc = this.curPosition();\n\n // Position information for the previous token\n this.lastTokEndLoc = this.lastTokStartLoc = null;\n this.lastTokStart = this.lastTokEnd = this.pos;\n\n // The context stack is used to superficially track syntactic\n // context to predict whether a regular expression is allowed in a\n // given position.\n this.context = this.initialContext();\n this.exprAllowed = true;\n\n // Figure out if it's a module code.\n this.inModule = options.sourceType === \"module\";\n this.strict = this.inModule || this.strictDirective(this.pos);\n\n // Used to signify the start of a potential arrow function\n this.potentialArrowAt = -1;\n\n // Flags to track whether we are in a function, a generator, an async function.\n this.inFunction = this.inGenerator = this.inAsync = false;\n // Positions to delayed-check that yield/await does not exist in default parameters.\n this.yieldPos = this.awaitPos = 0;\n // Labels in scope.\n this.labels = [];\n\n // If enabled, skip leading hashbang line.\n if (this.pos === 0 && options.allowHashBang && this.input.slice(0, 2) === \"#!\")\n { this.skipLineComment(2); }\n\n // Scope tracking for duplicate variable names (see scope.js)\n this.scopeStack = [];\n this.enterFunctionScope();\n\n // For RegExp validation\n this.regexpState = null;\n};\n\n// DEPRECATED Kept for backwards compatibility until 3.0 in case a plugin uses them\nParser.prototype.isKeyword = function isKeyword (word) { return this.keywords.test(word) };\nParser.prototype.isReservedWord = function isReservedWord (word) { return this.reservedWords.test(word) };\n\nParser.prototype.extend = function extend (name, f) {\n this[name] = f(this[name]);\n};\n\nParser.prototype.loadPlugins = function loadPlugins (pluginConfigs) {\n var this$1 = this;\n\n for (var name in pluginConfigs) {\n var plugin = plugins[name];\n if (!plugin) { throw new Error(\"Plugin '\" + name + \"' not found\") }\n plugin(this$1, pluginConfigs[name]);\n }\n};\n\nParser.prototype.parse = function parse () {\n var node = this.options.program || this.startNode();\n this.nextToken();\n return this.parseTopLevel(node)\n};\n\nvar pp = Parser.prototype;\n\n// ## Parser utilities\n\nvar literal = /^(?:'((?:\\\\.|[^'])*?)'|\"((?:\\\\.|[^\"])*?)\"|;)/;\npp.strictDirective = function(start) {\n var this$1 = this;\n\n for (;;) {\n skipWhiteSpace.lastIndex = start;\n start += skipWhiteSpace.exec(this$1.input)[0].length;\n var match = literal.exec(this$1.input.slice(start));\n if (!match) { return false }\n if ((match[1] || match[2]) === \"use strict\") { return true }\n start += match[0].length;\n }\n};\n\n// Predicate that tests whether the next token is of the given\n// type, and if yes, consumes it as a side effect.\n\npp.eat = function(type) {\n if (this.type === type) {\n this.next();\n return true\n } else {\n return false\n }\n};\n\n// Tests whether parsed token is a contextual keyword.\n\npp.isContextual = function(name) {\n return this.type === types.name && this.value === name && !this.containsEsc\n};\n\n// Consumes contextual keyword if possible.\n\npp.eatContextual = function(name) {\n if (!this.isContextual(name)) { return false }\n this.next();\n return true\n};\n\n// Asserts that following token is given contextual keyword.\n\npp.expectContextual = function(name) {\n if (!this.eatContextual(name)) { this.unexpected(); }\n};\n\n// Test whether a semicolon can be inserted at the current position.\n\npp.canInsertSemicolon = function() {\n return this.type === types.eof ||\n this.type === types.braceR ||\n lineBreak.test(this.input.slice(this.lastTokEnd, this.start))\n};\n\npp.insertSemicolon = function() {\n if (this.canInsertSemicolon()) {\n if (this.options.onInsertedSemicolon)\n { this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc); }\n return true\n }\n};\n\n// Consume a semicolon, or, failing that, see if we are allowed to\n// pretend that there is a semicolon at this position.\n\npp.semicolon = function() {\n if (!this.eat(types.semi) && !this.insertSemicolon()) { this.unexpected(); }\n};\n\npp.afterTrailingComma = function(tokType, notNext) {\n if (this.type === tokType) {\n if (this.options.onTrailingComma)\n { this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc); }\n if (!notNext)\n { this.next(); }\n return true\n }\n};\n\n// Expect a token of a given type. If found, consume it, otherwise,\n// raise an unexpected token error.\n\npp.expect = function(type) {\n this.eat(type) || this.unexpected();\n};\n\n// Raise an unexpected token error.\n\npp.unexpected = function(pos) {\n this.raise(pos != null ? pos : this.start, \"Unexpected token\");\n};\n\nfunction DestructuringErrors() {\n this.shorthandAssign =\n this.trailingComma =\n this.parenthesizedAssign =\n this.parenthesizedBind =\n this.doubleProto =\n -1;\n}\n\npp.checkPatternErrors = function(refDestructuringErrors, isAssign) {\n if (!refDestructuringErrors) { return }\n if (refDestructuringErrors.trailingComma > -1)\n { this.raiseRecoverable(refDestructuringErrors.trailingComma, \"Comma is not permitted after the rest element\"); }\n var parens = isAssign ? refDestructuringErrors.parenthesizedAssign : refDestructuringErrors.parenthesizedBind;\n if (parens > -1) { this.raiseRecoverable(parens, \"Parenthesized pattern\"); }\n};\n\npp.checkExpressionErrors = function(refDestructuringErrors, andThrow) {\n if (!refDestructuringErrors) { return false }\n var shorthandAssign = refDestructuringErrors.shorthandAssign;\n var doubleProto = refDestructuringErrors.doubleProto;\n if (!andThrow) { return shorthandAssign >= 0 || doubleProto >= 0 }\n if (shorthandAssign >= 0)\n { this.raise(shorthandAssign, \"Shorthand property assignments are valid only in destructuring patterns\"); }\n if (doubleProto >= 0)\n { this.raiseRecoverable(doubleProto, \"Redefinition of __proto__ property\"); }\n};\n\npp.checkYieldAwaitInDefaultParams = function() {\n if (this.yieldPos && (!this.awaitPos || this.yieldPos < this.awaitPos))\n { this.raise(this.yieldPos, \"Yield expression cannot be a default value\"); }\n if (this.awaitPos)\n { this.raise(this.awaitPos, \"Await expression cannot be a default value\"); }\n};\n\npp.isSimpleAssignTarget = function(expr) {\n if (expr.type === \"ParenthesizedExpression\")\n { return this.isSimpleAssignTarget(expr.expression) }\n return expr.type === \"Identifier\" || expr.type === \"MemberExpression\"\n};\n\nvar pp$1 = Parser.prototype;\n\n// ### Statement parsing\n\n// Parse a program. Initializes the parser, reads any number of\n// statements, and wraps them in a Program node. Optionally takes a\n// `program` argument. If present, the statements will be appended\n// to its body instead of creating a new node.\n\npp$1.parseTopLevel = function(node) {\n var this$1 = this;\n\n var exports = {};\n if (!node.body) { node.body = []; }\n while (this.type !== types.eof) {\n var stmt = this$1.parseStatement(true, true, exports);\n node.body.push(stmt);\n }\n this.adaptDirectivePrologue(node.body);\n this.next();\n if (this.options.ecmaVersion >= 6) {\n node.sourceType = this.options.sourceType;\n }\n return this.finishNode(node, \"Program\")\n};\n\nvar loopLabel = {kind: \"loop\"};\nvar switchLabel = {kind: \"switch\"};\n\npp$1.isLet = function() {\n if (this.options.ecmaVersion < 6 || !this.isContextual(\"let\")) { return false }\n skipWhiteSpace.lastIndex = this.pos;\n var skip = skipWhiteSpace.exec(this.input);\n var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next);\n if (nextCh === 91 || nextCh === 123) { return true } // '{' and '['\n if (isIdentifierStart(nextCh, true)) {\n var pos = next + 1;\n while (isIdentifierChar(this.input.charCodeAt(pos), true)) { ++pos; }\n var ident = this.input.slice(next, pos);\n if (!keywordRelationalOperator.test(ident)) { return true }\n }\n return false\n};\n\n// check 'async [no LineTerminator here] function'\n// - 'async /*foo*/ function' is OK.\n// - 'async /*\\n*/ function' is invalid.\npp$1.isAsyncFunction = function() {\n if (this.options.ecmaVersion < 8 || !this.isContextual(\"async\"))\n { return false }\n\n skipWhiteSpace.lastIndex = this.pos;\n var skip = skipWhiteSpace.exec(this.input);\n var next = this.pos + skip[0].length;\n return !lineBreak.test(this.input.slice(this.pos, next)) &&\n this.input.slice(next, next + 8) === \"function\" &&\n (next + 8 === this.input.length || !isIdentifierChar(this.input.charAt(next + 8)))\n};\n\n// Parse a single statement.\n//\n// If expecting a statement and finding a slash operator, parse a\n// regular expression literal. This is to handle cases like\n// `if (foo) /blah/.exec(foo)`, where looking at the previous token\n// does not help.\n\npp$1.parseStatement = function(declaration, topLevel, exports) {\n var starttype = this.type, node = this.startNode(), kind;\n\n if (this.isLet()) {\n starttype = types._var;\n kind = \"let\";\n }\n\n // Most types of statements are recognized by the keyword they\n // start with. Many are trivial to parse, some require a bit of\n // complexity.\n\n switch (starttype) {\n case types._break: case types._continue: return this.parseBreakContinueStatement(node, starttype.keyword)\n case types._debugger: return this.parseDebuggerStatement(node)\n case types._do: return this.parseDoStatement(node)\n case types._for: return this.parseForStatement(node)\n case types._function:\n if (!declaration && this.options.ecmaVersion >= 6) { this.unexpected(); }\n return this.parseFunctionStatement(node, false)\n case types._class:\n if (!declaration) { this.unexpected(); }\n return this.parseClass(node, true)\n case types._if: return this.parseIfStatement(node)\n case types._return: return this.parseReturnStatement(node)\n case types._switch: return this.parseSwitchStatement(node)\n case types._throw: return this.parseThrowStatement(node)\n case types._try: return this.parseTryStatement(node)\n case types._const: case types._var:\n kind = kind || this.value;\n if (!declaration && kind !== \"var\") { this.unexpected(); }\n return this.parseVarStatement(node, kind)\n case types._while: return this.parseWhileStatement(node)\n case types._with: return this.parseWithStatement(node)\n case types.braceL: return this.parseBlock()\n case types.semi: return this.parseEmptyStatement(node)\n case types._export:\n case types._import:\n if (!this.options.allowImportExportEverywhere) {\n if (!topLevel)\n { this.raise(this.start, \"'import' and 'export' may only appear at the top level\"); }\n if (!this.inModule)\n { this.raise(this.start, \"'import' and 'export' may appear only with 'sourceType: module'\"); }\n }\n return starttype === types._import ? this.parseImport(node) : this.parseExport(node, exports)\n\n // If the statement does not start with a statement keyword or a\n // brace, it's an ExpressionStatement or LabeledStatement. We\n // simply start parsing an expression, and afterwards, if the\n // next token is a colon and the expression was a simple\n // Identifier node, we switch to interpreting it as a label.\n default:\n if (this.isAsyncFunction()) {\n if (!declaration) { this.unexpected(); }\n this.next();\n return this.parseFunctionStatement(node, true)\n }\n\n var maybeName = this.value, expr = this.parseExpression();\n if (starttype === types.name && expr.type === \"Identifier\" && this.eat(types.colon))\n { return this.parseLabeledStatement(node, maybeName, expr) }\n else { return this.parseExpressionStatement(node, expr) }\n }\n};\n\npp$1.parseBreakContinueStatement = function(node, keyword) {\n var this$1 = this;\n\n var isBreak = keyword === \"break\";\n this.next();\n if (this.eat(types.semi) || this.insertSemicolon()) { node.label = null; }\n else if (this.type !== types.name) { this.unexpected(); }\n else {\n node.label = this.parseIdent();\n this.semicolon();\n }\n\n // Verify that there is an actual destination to break or\n // continue to.\n var i = 0;\n for (; i < this.labels.length; ++i) {\n var lab = this$1.labels[i];\n if (node.label == null || lab.name === node.label.name) {\n if (lab.kind != null && (isBreak || lab.kind === \"loop\")) { break }\n if (node.label && isBreak) { break }\n }\n }\n if (i === this.labels.length) { this.raise(node.start, \"Unsyntactic \" + keyword); }\n return this.finishNode(node, isBreak ? \"BreakStatement\" : \"ContinueStatement\")\n};\n\npp$1.parseDebuggerStatement = function(node) {\n this.next();\n this.semicolon();\n return this.finishNode(node, \"DebuggerStatement\")\n};\n\npp$1.parseDoStatement = function(node) {\n this.next();\n this.labels.push(loopLabel);\n node.body = this.parseStatement(false);\n this.labels.pop();\n this.expect(types._while);\n node.test = this.parseParenExpression();\n if (this.options.ecmaVersion >= 6)\n { this.eat(types.semi); }\n else\n { this.semicolon(); }\n return this.finishNode(node, \"DoWhileStatement\")\n};\n\n// Disambiguating between a `for` and a `for`/`in` or `for`/`of`\n// loop is non-trivial. Basically, we have to parse the init `var`\n// statement or expression, disallowing the `in` operator (see\n// the second parameter to `parseExpression`), and then check\n// whether the next token is `in` or `of`. When there is no init\n// part (semicolon immediately after the opening parenthesis), it\n// is a regular `for` loop.\n\npp$1.parseForStatement = function(node) {\n this.next();\n var awaitAt = (this.options.ecmaVersion >= 9 && (this.inAsync || (!this.inFunction && this.options.allowAwaitOutsideFunction)) && this.eatContextual(\"await\")) ? this.lastTokStart : -1;\n this.labels.push(loopLabel);\n this.enterLexicalScope();\n this.expect(types.parenL);\n if (this.type === types.semi) {\n if (awaitAt > -1) { this.unexpected(awaitAt); }\n return this.parseFor(node, null)\n }\n var isLet = this.isLet();\n if (this.type === types._var || this.type === types._const || isLet) {\n var init$1 = this.startNode(), kind = isLet ? \"let\" : this.value;\n this.next();\n this.parseVar(init$1, true, kind);\n this.finishNode(init$1, \"VariableDeclaration\");\n if ((this.type === types._in || (this.options.ecmaVersion >= 6 && this.isContextual(\"of\"))) && init$1.declarations.length === 1 &&\n !(kind !== \"var\" && init$1.declarations[0].init)) {\n if (this.options.ecmaVersion >= 9) {\n if (this.type === types._in) {\n if (awaitAt > -1) { this.unexpected(awaitAt); }\n } else { node.await = awaitAt > -1; }\n }\n return this.parseForIn(node, init$1)\n }\n if (awaitAt > -1) { this.unexpected(awaitAt); }\n return this.parseFor(node, init$1)\n }\n var refDestructuringErrors = new DestructuringErrors;\n var init = this.parseExpression(true, refDestructuringErrors);\n if (this.type === types._in || (this.options.ecmaVersion >= 6 && this.isContextual(\"of\"))) {\n if (this.options.ecmaVersion >= 9) {\n if (this.type === types._in) {\n if (awaitAt > -1) { this.unexpected(awaitAt); }\n } else { node.await = awaitAt > -1; }\n }\n this.toAssignable(init, false, refDestructuringErrors);\n this.checkLVal(init);\n return this.parseForIn(node, init)\n } else {\n this.checkExpressionErrors(refDestructuringErrors, true);\n }\n if (awaitAt > -1) { this.unexpected(awaitAt); }\n return this.parseFor(node, init)\n};\n\npp$1.parseFunctionStatement = function(node, isAsync) {\n this.next();\n return this.parseFunction(node, true, false, isAsync)\n};\n\npp$1.parseIfStatement = function(node) {\n this.next();\n node.test = this.parseParenExpression();\n // allow function declarations in branches, but only in non-strict mode\n node.consequent = this.parseStatement(!this.strict && this.type === types._function);\n node.alternate = this.eat(types._else) ? this.parseStatement(!this.strict && this.type === types._function) : null;\n return this.finishNode(node, \"IfStatement\")\n};\n\npp$1.parseReturnStatement = function(node) {\n if (!this.inFunction && !this.options.allowReturnOutsideFunction)\n { this.raise(this.start, \"'return' outside of function\"); }\n this.next();\n\n // In `return` (and `break`/`continue`), the keywords with\n // optional arguments, we eagerly look for a semicolon or the\n // possibility to insert one.\n\n if (this.eat(types.semi) || this.insertSemicolon()) { node.argument = null; }\n else { node.argument = this.parseExpression(); this.semicolon(); }\n return this.finishNode(node, \"ReturnStatement\")\n};\n\npp$1.parseSwitchStatement = function(node) {\n var this$1 = this;\n\n this.next();\n node.discriminant = this.parseParenExpression();\n node.cases = [];\n this.expect(types.braceL);\n this.labels.push(switchLabel);\n this.enterLexicalScope();\n\n // Statements under must be grouped (by label) in SwitchCase\n // nodes. `cur` is used to keep the node that we are currently\n // adding statements to.\n\n var cur;\n for (var sawDefault = false; this.type !== types.braceR;) {\n if (this$1.type === types._case || this$1.type === types._default) {\n var isCase = this$1.type === types._case;\n if (cur) { this$1.finishNode(cur, \"SwitchCase\"); }\n node.cases.push(cur = this$1.startNode());\n cur.consequent = [];\n this$1.next();\n if (isCase) {\n cur.test = this$1.parseExpression();\n } else {\n if (sawDefault) { this$1.raiseRecoverable(this$1.lastTokStart, \"Multiple default clauses\"); }\n sawDefault = true;\n cur.test = null;\n }\n this$1.expect(types.colon);\n } else {\n if (!cur) { this$1.unexpected(); }\n cur.consequent.push(this$1.parseStatement(true));\n }\n }\n this.exitLexicalScope();\n if (cur) { this.finishNode(cur, \"SwitchCase\"); }\n this.next(); // Closing brace\n this.labels.pop();\n return this.finishNode(node, \"SwitchStatement\")\n};\n\npp$1.parseThrowStatement = function(node) {\n this.next();\n if (lineBreak.test(this.input.slice(this.lastTokEnd, this.start)))\n { this.raise(this.lastTokEnd, \"Illegal newline after throw\"); }\n node.argument = this.parseExpression();\n this.semicolon();\n return this.finishNode(node, \"ThrowStatement\")\n};\n\n// Reused empty array added for node fields that are always empty.\n\nvar empty = [];\n\npp$1.parseTryStatement = function(node) {\n this.next();\n node.block = this.parseBlock();\n node.handler = null;\n if (this.type === types._catch) {\n var clause = this.startNode();\n this.next();\n if (this.eat(types.parenL)) {\n clause.param = this.parseBindingAtom();\n this.enterLexicalScope();\n this.checkLVal(clause.param, \"let\");\n this.expect(types.parenR);\n } else {\n if (this.options.ecmaVersion < 10) { this.unexpected(); }\n clause.param = null;\n this.enterLexicalScope();\n }\n clause.body = this.parseBlock(false);\n this.exitLexicalScope();\n node.handler = this.finishNode(clause, \"CatchClause\");\n }\n node.finalizer = this.eat(types._finally) ? this.parseBlock() : null;\n if (!node.handler && !node.finalizer)\n { this.raise(node.start, \"Missing catch or finally clause\"); }\n return this.finishNode(node, \"TryStatement\")\n};\n\npp$1.parseVarStatement = function(node, kind) {\n this.next();\n this.parseVar(node, false, kind);\n this.semicolon();\n return this.finishNode(node, \"VariableDeclaration\")\n};\n\npp$1.parseWhileStatement = function(node) {\n this.next();\n node.test = this.parseParenExpression();\n this.labels.push(loopLabel);\n node.body = this.parseStatement(false);\n this.labels.pop();\n return this.finishNode(node, \"WhileStatement\")\n};\n\npp$1.parseWithStatement = function(node) {\n if (this.strict) { this.raise(this.start, \"'with' in strict mode\"); }\n this.next();\n node.object = this.parseParenExpression();\n node.body = this.parseStatement(false);\n return this.finishNode(node, \"WithStatement\")\n};\n\npp$1.parseEmptyStatement = function(node) {\n this.next();\n return this.finishNode(node, \"EmptyStatement\")\n};\n\npp$1.parseLabeledStatement = function(node, maybeName, expr) {\n var this$1 = this;\n\n for (var i$1 = 0, list = this$1.labels; i$1 < list.length; i$1 += 1)\n {\n var label = list[i$1];\n\n if (label.name === maybeName)\n { this$1.raise(expr.start, \"Label '\" + maybeName + \"' is already declared\");\n } }\n var kind = this.type.isLoop ? \"loop\" : this.type === types._switch ? \"switch\" : null;\n for (var i = this.labels.length - 1; i >= 0; i--) {\n var label$1 = this$1.labels[i];\n if (label$1.statementStart === node.start) {\n // Update information about previous labels on this node\n label$1.statementStart = this$1.start;\n label$1.kind = kind;\n } else { break }\n }\n this.labels.push({name: maybeName, kind: kind, statementStart: this.start});\n node.body = this.parseStatement(true);\n if (node.body.type === \"ClassDeclaration\" ||\n node.body.type === \"VariableDeclaration\" && node.body.kind !== \"var\" ||\n node.body.type === \"FunctionDeclaration\" && (this.strict || node.body.generator || node.body.async))\n { this.raiseRecoverable(node.body.start, \"Invalid labeled declaration\"); }\n this.labels.pop();\n node.label = expr;\n return this.finishNode(node, \"LabeledStatement\")\n};\n\npp$1.parseExpressionStatement = function(node, expr) {\n node.expression = expr;\n this.semicolon();\n return this.finishNode(node, \"ExpressionStatement\")\n};\n\n// Parse a semicolon-enclosed block of statements, handling `\"use\n// strict\"` declarations when `allowStrict` is true (used for\n// function bodies).\n\npp$1.parseBlock = function(createNewLexicalScope) {\n var this$1 = this;\n if ( createNewLexicalScope === void 0 ) createNewLexicalScope = true;\n\n var node = this.startNode();\n node.body = [];\n this.expect(types.braceL);\n if (createNewLexicalScope) {\n this.enterLexicalScope();\n }\n while (!this.eat(types.braceR)) {\n var stmt = this$1.parseStatement(true);\n node.body.push(stmt);\n }\n if (createNewLexicalScope) {\n this.exitLexicalScope();\n }\n return this.finishNode(node, \"BlockStatement\")\n};\n\n// Parse a regular `for` loop. The disambiguation code in\n// `parseStatement` will already have parsed the init statement or\n// expression.\n\npp$1.parseFor = function(node, init) {\n node.init = init;\n this.expect(types.semi);\n node.test = this.type === types.semi ? null : this.parseExpression();\n this.expect(types.semi);\n node.update = this.type === types.parenR ? null : this.parseExpression();\n this.expect(types.parenR);\n this.exitLexicalScope();\n node.body = this.parseStatement(false);\n this.labels.pop();\n return this.finishNode(node, \"ForStatement\")\n};\n\n// Parse a `for`/`in` and `for`/`of` loop, which are almost\n// same from parser's perspective.\n\npp$1.parseForIn = function(node, init) {\n var type = this.type === types._in ? \"ForInStatement\" : \"ForOfStatement\";\n this.next();\n if (type === \"ForInStatement\") {\n if (init.type === \"AssignmentPattern\" ||\n (init.type === \"VariableDeclaration\" && init.declarations[0].init != null &&\n (this.strict || init.declarations[0].id.type !== \"Identifier\")))\n { this.raise(init.start, \"Invalid assignment in for-in loop head\"); }\n }\n node.left = init;\n node.right = type === \"ForInStatement\" ? this.parseExpression() : this.parseMaybeAssign();\n this.expect(types.parenR);\n this.exitLexicalScope();\n node.body = this.parseStatement(false);\n this.labels.pop();\n return this.finishNode(node, type)\n};\n\n// Parse a list of variable declarations.\n\npp$1.parseVar = function(node, isFor, kind) {\n var this$1 = this;\n\n node.declarations = [];\n node.kind = kind;\n for (;;) {\n var decl = this$1.startNode();\n this$1.parseVarId(decl, kind);\n if (this$1.eat(types.eq)) {\n decl.init = this$1.parseMaybeAssign(isFor);\n } else if (kind === \"const\" && !(this$1.type === types._in || (this$1.options.ecmaVersion >= 6 && this$1.isContextual(\"of\")))) {\n this$1.unexpected();\n } else if (decl.id.type !== \"Identifier\" && !(isFor && (this$1.type === types._in || this$1.isContextual(\"of\")))) {\n this$1.raise(this$1.lastTokEnd, \"Complex binding patterns require an initialization value\");\n } else {\n decl.init = null;\n }\n node.declarations.push(this$1.finishNode(decl, \"VariableDeclarator\"));\n if (!this$1.eat(types.comma)) { break }\n }\n return node\n};\n\npp$1.parseVarId = function(decl, kind) {\n decl.id = this.parseBindingAtom(kind);\n this.checkLVal(decl.id, kind, false);\n};\n\n// Parse a function declaration or literal (depending on the\n// `isStatement` parameter).\n\npp$1.parseFunction = function(node, isStatement, allowExpressionBody, isAsync) {\n this.initFunction(node);\n if (this.options.ecmaVersion >= 9 || this.options.ecmaVersion >= 6 && !isAsync)\n { node.generator = this.eat(types.star); }\n if (this.options.ecmaVersion >= 8)\n { node.async = !!isAsync; }\n\n if (isStatement) {\n node.id = isStatement === \"nullableID\" && this.type !== types.name ? null : this.parseIdent();\n if (node.id) {\n this.checkLVal(node.id, this.inModule && !this.inFunction ? \"let\" : \"var\");\n }\n }\n\n var oldInGen = this.inGenerator, oldInAsync = this.inAsync,\n oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldInFunc = this.inFunction;\n this.inGenerator = node.generator;\n this.inAsync = node.async;\n this.yieldPos = 0;\n this.awaitPos = 0;\n this.inFunction = true;\n this.enterFunctionScope();\n\n if (!isStatement)\n { node.id = this.type === types.name ? this.parseIdent() : null; }\n\n this.parseFunctionParams(node);\n this.parseFunctionBody(node, allowExpressionBody);\n\n this.inGenerator = oldInGen;\n this.inAsync = oldInAsync;\n this.yieldPos = oldYieldPos;\n this.awaitPos = oldAwaitPos;\n this.inFunction = oldInFunc;\n return this.finishNode(node, isStatement ? \"FunctionDeclaration\" : \"FunctionExpression\")\n};\n\npp$1.parseFunctionParams = function(node) {\n this.expect(types.parenL);\n node.params = this.parseBindingList(types.parenR, false, this.options.ecmaVersion >= 8);\n this.checkYieldAwaitInDefaultParams();\n};\n\n// Parse a class declaration or literal (depending on the\n// `isStatement` parameter).\n\npp$1.parseClass = function(node, isStatement) {\n var this$1 = this;\n\n this.next();\n\n this.parseClassId(node, isStatement);\n this.parseClassSuper(node);\n var classBody = this.startNode();\n var hadConstructor = false;\n classBody.body = [];\n this.expect(types.braceL);\n while (!this.eat(types.braceR)) {\n var member = this$1.parseClassMember(classBody);\n if (member && member.type === \"MethodDefinition\" && member.kind === \"constructor\") {\n if (hadConstructor) { this$1.raise(member.start, \"Duplicate constructor in the same class\"); }\n hadConstructor = true;\n }\n }\n node.body = this.finishNode(classBody, \"ClassBody\");\n return this.finishNode(node, isStatement ? \"ClassDeclaration\" : \"ClassExpression\")\n};\n\npp$1.parseClassMember = function(classBody) {\n var this$1 = this;\n\n if (this.eat(types.semi)) { return null }\n\n var method = this.startNode();\n var tryContextual = function (k, noLineBreak) {\n if ( noLineBreak === void 0 ) noLineBreak = false;\n\n var start = this$1.start, startLoc = this$1.startLoc;\n if (!this$1.eatContextual(k)) { return false }\n if (this$1.type !== types.parenL && (!noLineBreak || !this$1.canInsertSemicolon())) { return true }\n if (method.key) { this$1.unexpected(); }\n method.computed = false;\n method.key = this$1.startNodeAt(start, startLoc);\n method.key.name = k;\n this$1.finishNode(method.key, \"Identifier\");\n return false\n };\n\n method.kind = \"method\";\n method.static = tryContextual(\"static\");\n var isGenerator = this.eat(types.star);\n var isAsync = false;\n if (!isGenerator) {\n if (this.options.ecmaVersion >= 8 && tryContextual(\"async\", true)) {\n isAsync = true;\n isGenerator = this.options.ecmaVersion >= 9 && this.eat(types.star);\n } else if (tryContextual(\"get\")) {\n method.kind = \"get\";\n } else if (tryContextual(\"set\")) {\n method.kind = \"set\";\n }\n }\n if (!method.key) { this.parsePropertyName(method); }\n var key = method.key;\n if (!method.computed && !method.static && (key.type === \"Identifier\" && key.name === \"constructor\" ||\n key.type === \"Literal\" && key.value === \"constructor\")) {\n if (method.kind !== \"method\") { this.raise(key.start, \"Constructor can't have get/set modifier\"); }\n if (isGenerator) { this.raise(key.start, \"Constructor can't be a generator\"); }\n if (isAsync) { this.raise(key.start, \"Constructor can't be an async method\"); }\n method.kind = \"constructor\";\n } else if (method.static && key.type === \"Identifier\" && key.name === \"prototype\") {\n this.raise(key.start, \"Classes may not have a static property named prototype\");\n }\n this.parseClassMethod(classBody, method, isGenerator, isAsync);\n if (method.kind === \"get\" && method.value.params.length !== 0)\n { this.raiseRecoverable(method.value.start, \"getter should have no params\"); }\n if (method.kind === \"set\" && method.value.params.length !== 1)\n { this.raiseRecoverable(method.value.start, \"setter should have exactly one param\"); }\n if (method.kind === \"set\" && method.value.params[0].type === \"RestElement\")\n { this.raiseRecoverable(method.value.params[0].start, \"Setter cannot use rest params\"); }\n return method\n};\n\npp$1.parseClassMethod = function(classBody, method, isGenerator, isAsync) {\n method.value = this.parseMethod(isGenerator, isAsync);\n classBody.body.push(this.finishNode(method, \"MethodDefinition\"));\n};\n\npp$1.parseClassId = function(node, isStatement) {\n node.id = this.type === types.name ? this.parseIdent() : isStatement === true ? this.unexpected() : null;\n};\n\npp$1.parseClassSuper = function(node) {\n node.superClass = this.eat(types._extends) ? this.parseExprSubscripts() : null;\n};\n\n// Parses module export declaration.\n\npp$1.parseExport = function(node, exports) {\n var this$1 = this;\n\n this.next();\n // export * from '...'\n if (this.eat(types.star)) {\n this.expectContextual(\"from\");\n if (this.type !== types.string) { this.unexpected(); }\n node.source = this.parseExprAtom();\n this.semicolon();\n return this.finishNode(node, \"ExportAllDeclaration\")\n }\n if (this.eat(types._default)) { // export default ...\n this.checkExport(exports, \"default\", this.lastTokStart);\n var isAsync;\n if (this.type === types._function || (isAsync = this.isAsyncFunction())) {\n var fNode = this.startNode();\n this.next();\n if (isAsync) { this.next(); }\n node.declaration = this.parseFunction(fNode, \"nullableID\", false, isAsync);\n } else if (this.type === types._class) {\n var cNode = this.startNode();\n node.declaration = this.parseClass(cNode, \"nullableID\");\n } else {\n node.declaration = this.parseMaybeAssign();\n this.semicolon();\n }\n return this.finishNode(node, \"ExportDefaultDeclaration\")\n }\n // export var|const|let|function|class ...\n if (this.shouldParseExportStatement()) {\n node.declaration = this.parseStatement(true);\n if (node.declaration.type === \"VariableDeclaration\")\n { this.checkVariableExport(exports, node.declaration.declarations); }\n else\n { this.checkExport(exports, node.declaration.id.name, node.declaration.id.start); }\n node.specifiers = [];\n node.source = null;\n } else { // export { x, y as z } [from '...']\n node.declaration = null;\n node.specifiers = this.parseExportSpecifiers(exports);\n if (this.eatContextual(\"from\")) {\n if (this.type !== types.string) { this.unexpected(); }\n node.source = this.parseExprAtom();\n } else {\n // check for keywords used as local names\n for (var i = 0, list = node.specifiers; i < list.length; i += 1) {\n var spec = list[i];\n\n this$1.checkUnreserved(spec.local);\n }\n\n node.source = null;\n }\n this.semicolon();\n }\n return this.finishNode(node, \"ExportNamedDeclaration\")\n};\n\npp$1.checkExport = function(exports, name, pos) {\n if (!exports) { return }\n if (has(exports, name))\n { this.raiseRecoverable(pos, \"Duplicate export '\" + name + \"'\"); }\n exports[name] = true;\n};\n\npp$1.checkPatternExport = function(exports, pat) {\n var this$1 = this;\n\n var type = pat.type;\n if (type === \"Identifier\")\n { this.checkExport(exports, pat.name, pat.start); }\n else if (type === \"ObjectPattern\")\n { for (var i = 0, list = pat.properties; i < list.length; i += 1)\n {\n var prop = list[i];\n\n this$1.checkPatternExport(exports, prop);\n } }\n else if (type === \"ArrayPattern\")\n { for (var i$1 = 0, list$1 = pat.elements; i$1 < list$1.length; i$1 += 1) {\n var elt = list$1[i$1];\n\n if (elt) { this$1.checkPatternExport(exports, elt); }\n } }\n else if (type === \"Property\")\n { this.checkPatternExport(exports, pat.value); }\n else if (type === \"AssignmentPattern\")\n { this.checkPatternExport(exports, pat.left); }\n else if (type === \"RestElement\")\n { this.checkPatternExport(exports, pat.argument); }\n else if (type === \"ParenthesizedExpression\")\n { this.checkPatternExport(exports, pat.expression); }\n};\n\npp$1.checkVariableExport = function(exports, decls) {\n var this$1 = this;\n\n if (!exports) { return }\n for (var i = 0, list = decls; i < list.length; i += 1)\n {\n var decl = list[i];\n\n this$1.checkPatternExport(exports, decl.id);\n }\n};\n\npp$1.shouldParseExportStatement = function() {\n return this.type.keyword === \"var\" ||\n this.type.keyword === \"const\" ||\n this.type.keyword === \"class\" ||\n this.type.keyword === \"function\" ||\n this.isLet() ||\n this.isAsyncFunction()\n};\n\n// Parses a comma-separated list of module exports.\n\npp$1.parseExportSpecifiers = function(exports) {\n var this$1 = this;\n\n var nodes = [], first = true;\n // export { x, y as z } [from '...']\n this.expect(types.braceL);\n while (!this.eat(types.braceR)) {\n if (!first) {\n this$1.expect(types.comma);\n if (this$1.afterTrailingComma(types.braceR)) { break }\n } else { first = false; }\n\n var node = this$1.startNode();\n node.local = this$1.parseIdent(true);\n node.exported = this$1.eatContextual(\"as\") ? this$1.parseIdent(true) : node.local;\n this$1.checkExport(exports, node.exported.name, node.exported.start);\n nodes.push(this$1.finishNode(node, \"ExportSpecifier\"));\n }\n return nodes\n};\n\n// Parses import declaration.\n\npp$1.parseImport = function(node) {\n this.next();\n // import '...'\n if (this.type === types.string) {\n node.specifiers = empty;\n node.source = this.parseExprAtom();\n } else {\n node.specifiers = this.parseImportSpecifiers();\n this.expectContextual(\"from\");\n node.source = this.type === types.string ? this.parseExprAtom() : this.unexpected();\n }\n this.semicolon();\n return this.finishNode(node, \"ImportDeclaration\")\n};\n\n// Parses a comma-separated list of module imports.\n\npp$1.parseImportSpecifiers = function() {\n var this$1 = this;\n\n var nodes = [], first = true;\n if (this.type === types.name) {\n // import defaultObj, { x, y as z } from '...'\n var node = this.startNode();\n node.local = this.parseIdent();\n this.checkLVal(node.local, \"let\");\n nodes.push(this.finishNode(node, \"ImportDefaultSpecifier\"));\n if (!this.eat(types.comma)) { return nodes }\n }\n if (this.type === types.star) {\n var node$1 = this.startNode();\n this.next();\n this.expectContextual(\"as\");\n node$1.local = this.parseIdent();\n this.checkLVal(node$1.local, \"let\");\n nodes.push(this.finishNode(node$1, \"ImportNamespaceSpecifier\"));\n return nodes\n }\n this.expect(types.braceL);\n while (!this.eat(types.braceR)) {\n if (!first) {\n this$1.expect(types.comma);\n if (this$1.afterTrailingComma(types.braceR)) { break }\n } else { first = false; }\n\n var node$2 = this$1.startNode();\n node$2.imported = this$1.parseIdent(true);\n if (this$1.eatContextual(\"as\")) {\n node$2.local = this$1.parseIdent();\n } else {\n this$1.checkUnreserved(node$2.imported);\n node$2.local = node$2.imported;\n }\n this$1.checkLVal(node$2.local, \"let\");\n nodes.push(this$1.finishNode(node$2, \"ImportSpecifier\"));\n }\n return nodes\n};\n\n// Set `ExpressionStatement#directive` property for directive prologues.\npp$1.adaptDirectivePrologue = function(statements) {\n for (var i = 0; i < statements.length && this.isDirectiveCandidate(statements[i]); ++i) {\n statements[i].directive = statements[i].expression.raw.slice(1, -1);\n }\n};\npp$1.isDirectiveCandidate = function(statement) {\n return (\n statement.type === \"ExpressionStatement\" &&\n statement.expression.type === \"Literal\" &&\n typeof statement.expression.value === \"string\" &&\n // Reject parenthesized strings.\n (this.input[statement.start] === \"\\\"\" || this.input[statement.start] === \"'\")\n )\n};\n\nvar pp$2 = Parser.prototype;\n\n// Convert existing expression atom to assignable pattern\n// if possible.\n\npp$2.toAssignable = function(node, isBinding, refDestructuringErrors) {\n var this$1 = this;\n\n if (this.options.ecmaVersion >= 6 && node) {\n switch (node.type) {\n case \"Identifier\":\n if (this.inAsync && node.name === \"await\")\n { this.raise(node.start, \"Can not use 'await' as identifier inside an async function\"); }\n break\n\n case \"ObjectPattern\":\n case \"ArrayPattern\":\n case \"RestElement\":\n break\n\n case \"ObjectExpression\":\n node.type = \"ObjectPattern\";\n if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); }\n for (var i = 0, list = node.properties; i < list.length; i += 1) {\n var prop = list[i];\n\n this$1.toAssignable(prop, isBinding);\n // Early error:\n // AssignmentRestProperty[Yield, Await] :\n // `...` DestructuringAssignmentTarget[Yield, Await]\n //\n // It is a Syntax Error if |DestructuringAssignmentTarget| is an |ArrayLiteral| or an |ObjectLiteral|.\n if (\n prop.type === \"RestElement\" &&\n (prop.argument.type === \"ArrayPattern\" || prop.argument.type === \"ObjectPattern\")\n ) {\n this$1.raise(prop.argument.start, \"Unexpected token\");\n }\n }\n break\n\n case \"Property\":\n // AssignmentProperty has type === \"Property\"\n if (node.kind !== \"init\") { this.raise(node.key.start, \"Object pattern can't contain getter or setter\"); }\n this.toAssignable(node.value, isBinding);\n break\n\n case \"ArrayExpression\":\n node.type = \"ArrayPattern\";\n if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); }\n this.toAssignableList(node.elements, isBinding);\n break\n\n case \"SpreadElement\":\n node.type = \"RestElement\";\n this.toAssignable(node.argument, isBinding);\n if (node.argument.type === \"AssignmentPattern\")\n { this.raise(node.argument.start, \"Rest elements cannot have a default value\"); }\n break\n\n case \"AssignmentExpression\":\n if (node.operator !== \"=\") { this.raise(node.left.end, \"Only '=' operator can be used for specifying default value.\"); }\n node.type = \"AssignmentPattern\";\n delete node.operator;\n this.toAssignable(node.left, isBinding);\n // falls through to AssignmentPattern\n\n case \"AssignmentPattern\":\n break\n\n case \"ParenthesizedExpression\":\n this.toAssignable(node.expression, isBinding);\n break\n\n case \"MemberExpression\":\n if (!isBinding) { break }\n\n default:\n this.raise(node.start, \"Assigning to rvalue\");\n }\n } else if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); }\n return node\n};\n\n// Convert list of expression atoms to binding list.\n\npp$2.toAssignableList = function(exprList, isBinding) {\n var this$1 = this;\n\n var end = exprList.length;\n for (var i = 0; i < end; i++) {\n var elt = exprList[i];\n if (elt) { this$1.toAssignable(elt, isBinding); }\n }\n if (end) {\n var last = exprList[end - 1];\n if (this.options.ecmaVersion === 6 && isBinding && last && last.type === \"RestElement\" && last.argument.type !== \"Identifier\")\n { this.unexpected(last.argument.start); }\n }\n return exprList\n};\n\n// Parses spread element.\n\npp$2.parseSpread = function(refDestructuringErrors) {\n var node = this.startNode();\n this.next();\n node.argument = this.parseMaybeAssign(false, refDestructuringErrors);\n return this.finishNode(node, \"SpreadElement\")\n};\n\npp$2.parseRestBinding = function() {\n var node = this.startNode();\n this.next();\n\n // RestElement inside of a function parameter must be an identifier\n if (this.options.ecmaVersion === 6 && this.type !== types.name)\n { this.unexpected(); }\n\n node.argument = this.parseBindingAtom();\n\n return this.finishNode(node, \"RestElement\")\n};\n\n// Parses lvalue (assignable) atom.\n\npp$2.parseBindingAtom = function() {\n if (this.options.ecmaVersion >= 6) {\n switch (this.type) {\n case types.bracketL:\n var node = this.startNode();\n this.next();\n node.elements = this.parseBindingList(types.bracketR, true, true);\n return this.finishNode(node, \"ArrayPattern\")\n\n case types.braceL:\n return this.parseObj(true)\n }\n }\n return this.parseIdent()\n};\n\npp$2.parseBindingList = function(close, allowEmpty, allowTrailingComma) {\n var this$1 = this;\n\n var elts = [], first = true;\n while (!this.eat(close)) {\n if (first) { first = false; }\n else { this$1.expect(types.comma); }\n if (allowEmpty && this$1.type === types.comma) {\n elts.push(null);\n } else if (allowTrailingComma && this$1.afterTrailingComma(close)) {\n break\n } else if (this$1.type === types.ellipsis) {\n var rest = this$1.parseRestBinding();\n this$1.parseBindingListItem(rest);\n elts.push(rest);\n if (this$1.type === types.comma) { this$1.raise(this$1.start, \"Comma is not permitted after the rest element\"); }\n this$1.expect(close);\n break\n } else {\n var elem = this$1.parseMaybeDefault(this$1.start, this$1.startLoc);\n this$1.parseBindingListItem(elem);\n elts.push(elem);\n }\n }\n return elts\n};\n\npp$2.parseBindingListItem = function(param) {\n return param\n};\n\n// Parses assignment pattern around given atom if possible.\n\npp$2.parseMaybeDefault = function(startPos, startLoc, left) {\n left = left || this.parseBindingAtom();\n if (this.options.ecmaVersion < 6 || !this.eat(types.eq)) { return left }\n var node = this.startNodeAt(startPos, startLoc);\n node.left = left;\n node.right = this.parseMaybeAssign();\n return this.finishNode(node, \"AssignmentPattern\")\n};\n\n// Verify that a node is an lval — something that can be assigned\n// to.\n// bindingType can be either:\n// 'var' indicating that the lval creates a 'var' binding\n// 'let' indicating that the lval creates a lexical ('let' or 'const') binding\n// 'none' indicating that the binding should be checked for illegal identifiers, but not for duplicate references\n\npp$2.checkLVal = function(expr, bindingType, checkClashes) {\n var this$1 = this;\n\n switch (expr.type) {\n case \"Identifier\":\n if (this.strict && this.reservedWordsStrictBind.test(expr.name))\n { this.raiseRecoverable(expr.start, (bindingType ? \"Binding \" : \"Assigning to \") + expr.name + \" in strict mode\"); }\n if (checkClashes) {\n if (has(checkClashes, expr.name))\n { this.raiseRecoverable(expr.start, \"Argument name clash\"); }\n checkClashes[expr.name] = true;\n }\n if (bindingType && bindingType !== \"none\") {\n if (\n bindingType === \"var\" && !this.canDeclareVarName(expr.name) ||\n bindingType !== \"var\" && !this.canDeclareLexicalName(expr.name)\n ) {\n this.raiseRecoverable(expr.start, (\"Identifier '\" + (expr.name) + \"' has already been declared\"));\n }\n if (bindingType === \"var\") {\n this.declareVarName(expr.name);\n } else {\n this.declareLexicalName(expr.name);\n }\n }\n break\n\n case \"MemberExpression\":\n if (bindingType) { this.raiseRecoverable(expr.start, \"Binding member expression\"); }\n break\n\n case \"ObjectPattern\":\n for (var i = 0, list = expr.properties; i < list.length; i += 1)\n {\n var prop = list[i];\n\n this$1.checkLVal(prop, bindingType, checkClashes);\n }\n break\n\n case \"Property\":\n // AssignmentProperty has type === \"Property\"\n this.checkLVal(expr.value, bindingType, checkClashes);\n break\n\n case \"ArrayPattern\":\n for (var i$1 = 0, list$1 = expr.elements; i$1 < list$1.length; i$1 += 1) {\n var elem = list$1[i$1];\n\n if (elem) { this$1.checkLVal(elem, bindingType, checkClashes); }\n }\n break\n\n case \"AssignmentPattern\":\n this.checkLVal(expr.left, bindingType, checkClashes);\n break\n\n case \"RestElement\":\n this.checkLVal(expr.argument, bindingType, checkClashes);\n break\n\n case \"ParenthesizedExpression\":\n this.checkLVal(expr.expression, bindingType, checkClashes);\n break\n\n default:\n this.raise(expr.start, (bindingType ? \"Binding\" : \"Assigning to\") + \" rvalue\");\n }\n};\n\n// A recursive descent parser operates by defining functions for all\n// syntactic elements, and recursively calling those, each function\n// advancing the input stream and returning an AST node. Precedence\n// of constructs (for example, the fact that `!x[1]` means `!(x[1])`\n// instead of `(!x)[1]` is handled by the fact that the parser\n// function that parses unary prefix operators is called first, and\n// in turn calls the function that parses `[]` subscripts — that\n// way, it'll receive the node for `x[1]` already parsed, and wraps\n// *that* in the unary operator node.\n//\n// Acorn uses an [operator precedence parser][opp] to handle binary\n// operator precedence, because it is much more compact than using\n// the technique outlined above, which uses different, nesting\n// functions to specify precedence, for all of the ten binary\n// precedence levels that JavaScript defines.\n//\n// [opp]: http://en.wikipedia.org/wiki/Operator-precedence_parser\n\nvar pp$3 = Parser.prototype;\n\n// Check if property name clashes with already added.\n// Object/class getters and setters are not allowed to clash —\n// either with each other or with an init property — and in\n// strict mode, init properties are also not allowed to be repeated.\n\npp$3.checkPropClash = function(prop, propHash, refDestructuringErrors) {\n if (this.options.ecmaVersion >= 9 && prop.type === \"SpreadElement\")\n { return }\n if (this.options.ecmaVersion >= 6 && (prop.computed || prop.method || prop.shorthand))\n { return }\n var key = prop.key;\n var name;\n switch (key.type) {\n case \"Identifier\": name = key.name; break\n case \"Literal\": name = String(key.value); break\n default: return\n }\n var kind = prop.kind;\n if (this.options.ecmaVersion >= 6) {\n if (name === \"__proto__\" && kind === \"init\") {\n if (propHash.proto) {\n if (refDestructuringErrors && refDestructuringErrors.doubleProto < 0) { refDestructuringErrors.doubleProto = key.start; }\n // Backwards-compat kludge. Can be removed in version 6.0\n else { this.raiseRecoverable(key.start, \"Redefinition of __proto__ property\"); }\n }\n propHash.proto = true;\n }\n return\n }\n name = \"$\" + name;\n var other = propHash[name];\n if (other) {\n var redefinition;\n if (kind === \"init\") {\n redefinition = this.strict && other.init || other.get || other.set;\n } else {\n redefinition = other.init || other[kind];\n }\n if (redefinition)\n { this.raiseRecoverable(key.start, \"Redefinition of property\"); }\n } else {\n other = propHash[name] = {\n init: false,\n get: false,\n set: false\n };\n }\n other[kind] = true;\n};\n\n// ### Expression parsing\n\n// These nest, from the most general expression type at the top to\n// 'atomic', nondivisible expression types at the bottom. Most of\n// the functions will simply let the function(s) below them parse,\n// and, *if* the syntactic construct they handle is present, wrap\n// the AST node that the inner parser gave them in another node.\n\n// Parse a full expression. The optional arguments are used to\n// forbid the `in` operator (in for loops initalization expressions)\n// and provide reference for storing '=' operator inside shorthand\n// property assignment in contexts where both object expression\n// and object pattern might appear (so it's possible to raise\n// delayed syntax error at correct position).\n\npp$3.parseExpression = function(noIn, refDestructuringErrors) {\n var this$1 = this;\n\n var startPos = this.start, startLoc = this.startLoc;\n var expr = this.parseMaybeAssign(noIn, refDestructuringErrors);\n if (this.type === types.comma) {\n var node = this.startNodeAt(startPos, startLoc);\n node.expressions = [expr];\n while (this.eat(types.comma)) { node.expressions.push(this$1.parseMaybeAssign(noIn, refDestructuringErrors)); }\n return this.finishNode(node, \"SequenceExpression\")\n }\n return expr\n};\n\n// Parse an assignment expression. This includes applications of\n// operators like `+=`.\n\npp$3.parseMaybeAssign = function(noIn, refDestructuringErrors, afterLeftParse) {\n if (this.inGenerator && this.isContextual(\"yield\")) { return this.parseYield() }\n\n var ownDestructuringErrors = false, oldParenAssign = -1, oldTrailingComma = -1;\n if (refDestructuringErrors) {\n oldParenAssign = refDestructuringErrors.parenthesizedAssign;\n oldTrailingComma = refDestructuringErrors.trailingComma;\n refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = -1;\n } else {\n refDestructuringErrors = new DestructuringErrors;\n ownDestructuringErrors = true;\n }\n\n var startPos = this.start, startLoc = this.startLoc;\n if (this.type === types.parenL || this.type === types.name)\n { this.potentialArrowAt = this.start; }\n var left = this.parseMaybeConditional(noIn, refDestructuringErrors);\n if (afterLeftParse) { left = afterLeftParse.call(this, left, startPos, startLoc); }\n if (this.type.isAssign) {\n var node = this.startNodeAt(startPos, startLoc);\n node.operator = this.value;\n node.left = this.type === types.eq ? this.toAssignable(left, false, refDestructuringErrors) : left;\n if (!ownDestructuringErrors) { DestructuringErrors.call(refDestructuringErrors); }\n refDestructuringErrors.shorthandAssign = -1; // reset because shorthand default was used correctly\n this.checkLVal(left);\n this.next();\n node.right = this.parseMaybeAssign(noIn);\n return this.finishNode(node, \"AssignmentExpression\")\n } else {\n if (ownDestructuringErrors) { this.checkExpressionErrors(refDestructuringErrors, true); }\n }\n if (oldParenAssign > -1) { refDestructuringErrors.parenthesizedAssign = oldParenAssign; }\n if (oldTrailingComma > -1) { refDestructuringErrors.trailingComma = oldTrailingComma; }\n return left\n};\n\n// Parse a ternary conditional (`?:`) operator.\n\npp$3.parseMaybeConditional = function(noIn, refDestructuringErrors) {\n var startPos = this.start, startLoc = this.startLoc;\n var expr = this.parseExprOps(noIn, refDestructuringErrors);\n if (this.checkExpressionErrors(refDestructuringErrors)) { return expr }\n if (this.eat(types.question)) {\n var node = this.startNodeAt(startPos, startLoc);\n node.test = expr;\n node.consequent = this.parseMaybeAssign();\n this.expect(types.colon);\n node.alternate = this.parseMaybeAssign(noIn);\n return this.finishNode(node, \"ConditionalExpression\")\n }\n return expr\n};\n\n// Start the precedence parser.\n\npp$3.parseExprOps = function(noIn, refDestructuringErrors) {\n var startPos = this.start, startLoc = this.startLoc;\n var expr = this.parseMaybeUnary(refDestructuringErrors, false);\n if (this.checkExpressionErrors(refDestructuringErrors)) { return expr }\n return expr.start === startPos && expr.type === \"ArrowFunctionExpression\" ? expr : this.parseExprOp(expr, startPos, startLoc, -1, noIn)\n};\n\n// Parse binary operators with the operator precedence parsing\n// algorithm. `left` is the left-hand side of the operator.\n// `minPrec` provides context that allows the function to stop and\n// defer further parser to one of its callers when it encounters an\n// operator that has a lower precedence than the set it is parsing.\n\npp$3.parseExprOp = function(left, leftStartPos, leftStartLoc, minPrec, noIn) {\n var prec = this.type.binop;\n if (prec != null && (!noIn || this.type !== types._in)) {\n if (prec > minPrec) {\n var logical = this.type === types.logicalOR || this.type === types.logicalAND;\n var op = this.value;\n this.next();\n var startPos = this.start, startLoc = this.startLoc;\n var right = this.parseExprOp(this.parseMaybeUnary(null, false), startPos, startLoc, prec, noIn);\n var node = this.buildBinary(leftStartPos, leftStartLoc, left, right, op, logical);\n return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec, noIn)\n }\n }\n return left\n};\n\npp$3.buildBinary = function(startPos, startLoc, left, right, op, logical) {\n var node = this.startNodeAt(startPos, startLoc);\n node.left = left;\n node.operator = op;\n node.right = right;\n return this.finishNode(node, logical ? \"LogicalExpression\" : \"BinaryExpression\")\n};\n\n// Parse unary operators, both prefix and postfix.\n\npp$3.parseMaybeUnary = function(refDestructuringErrors, sawUnary) {\n var this$1 = this;\n\n var startPos = this.start, startLoc = this.startLoc, expr;\n if (this.isContextual(\"await\") && (this.inAsync || (!this.inFunction && this.options.allowAwaitOutsideFunction))) {\n expr = this.parseAwait();\n sawUnary = true;\n } else if (this.type.prefix) {\n var node = this.startNode(), update = this.type === types.incDec;\n node.operator = this.value;\n node.prefix = true;\n this.next();\n node.argument = this.parseMaybeUnary(null, true);\n this.checkExpressionErrors(refDestructuringErrors, true);\n if (update) { this.checkLVal(node.argument); }\n else if (this.strict && node.operator === \"delete\" &&\n node.argument.type === \"Identifier\")\n { this.raiseRecoverable(node.start, \"Deleting local variable in strict mode\"); }\n else { sawUnary = true; }\n expr = this.finishNode(node, update ? \"UpdateExpression\" : \"UnaryExpression\");\n } else {\n expr = this.parseExprSubscripts(refDestructuringErrors);\n if (this.checkExpressionErrors(refDestructuringErrors)) { return expr }\n while (this.type.postfix && !this.canInsertSemicolon()) {\n var node$1 = this$1.startNodeAt(startPos, startLoc);\n node$1.operator = this$1.value;\n node$1.prefix = false;\n node$1.argument = expr;\n this$1.checkLVal(expr);\n this$1.next();\n expr = this$1.finishNode(node$1, \"UpdateExpression\");\n }\n }\n\n if (!sawUnary && this.eat(types.starstar))\n { return this.buildBinary(startPos, startLoc, expr, this.parseMaybeUnary(null, false), \"**\", false) }\n else\n { return expr }\n};\n\n// Parse call, dot, and `[]`-subscript expressions.\n\npp$3.parseExprSubscripts = function(refDestructuringErrors) {\n var startPos = this.start, startLoc = this.startLoc;\n var expr = this.parseExprAtom(refDestructuringErrors);\n var skipArrowSubscripts = expr.type === \"ArrowFunctionExpression\" && this.input.slice(this.lastTokStart, this.lastTokEnd) !== \")\";\n if (this.checkExpressionErrors(refDestructuringErrors) || skipArrowSubscripts) { return expr }\n var result = this.parseSubscripts(expr, startPos, startLoc);\n if (refDestructuringErrors && result.type === \"MemberExpression\") {\n if (refDestructuringErrors.parenthesizedAssign >= result.start) { refDestructuringErrors.parenthesizedAssign = -1; }\n if (refDestructuringErrors.parenthesizedBind >= result.start) { refDestructuringErrors.parenthesizedBind = -1; }\n }\n return result\n};\n\npp$3.parseSubscripts = function(base, startPos, startLoc, noCalls) {\n var this$1 = this;\n\n var maybeAsyncArrow = this.options.ecmaVersion >= 8 && base.type === \"Identifier\" && base.name === \"async\" &&\n this.lastTokEnd === base.end && !this.canInsertSemicolon() && this.input.slice(base.start, base.end) === \"async\";\n for (var computed = (void 0);;) {\n if ((computed = this$1.eat(types.bracketL)) || this$1.eat(types.dot)) {\n var node = this$1.startNodeAt(startPos, startLoc);\n node.object = base;\n node.property = computed ? this$1.parseExpression() : this$1.parseIdent(true);\n node.computed = !!computed;\n if (computed) { this$1.expect(types.bracketR); }\n base = this$1.finishNode(node, \"MemberExpression\");\n } else if (!noCalls && this$1.eat(types.parenL)) {\n var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this$1.yieldPos, oldAwaitPos = this$1.awaitPos;\n this$1.yieldPos = 0;\n this$1.awaitPos = 0;\n var exprList = this$1.parseExprList(types.parenR, this$1.options.ecmaVersion >= 8, false, refDestructuringErrors);\n if (maybeAsyncArrow && !this$1.canInsertSemicolon() && this$1.eat(types.arrow)) {\n this$1.checkPatternErrors(refDestructuringErrors, false);\n this$1.checkYieldAwaitInDefaultParams();\n this$1.yieldPos = oldYieldPos;\n this$1.awaitPos = oldAwaitPos;\n return this$1.parseArrowExpression(this$1.startNodeAt(startPos, startLoc), exprList, true)\n }\n this$1.checkExpressionErrors(refDestructuringErrors, true);\n this$1.yieldPos = oldYieldPos || this$1.yieldPos;\n this$1.awaitPos = oldAwaitPos || this$1.awaitPos;\n var node$1 = this$1.startNodeAt(startPos, startLoc);\n node$1.callee = base;\n node$1.arguments = exprList;\n base = this$1.finishNode(node$1, \"CallExpression\");\n } else if (this$1.type === types.backQuote) {\n var node$2 = this$1.startNodeAt(startPos, startLoc);\n node$2.tag = base;\n node$2.quasi = this$1.parseTemplate({isTagged: true});\n base = this$1.finishNode(node$2, \"TaggedTemplateExpression\");\n } else {\n return base\n }\n }\n};\n\n// Parse an atomic expression — either a single token that is an\n// expression, an expression started by a keyword like `function` or\n// `new`, or an expression wrapped in punctuation like `()`, `[]`,\n// or `{}`.\n\npp$3.parseExprAtom = function(refDestructuringErrors) {\n var node, canBeArrow = this.potentialArrowAt === this.start;\n switch (this.type) {\n case types._super:\n if (!this.inFunction)\n { this.raise(this.start, \"'super' outside of function or class\"); }\n node = this.startNode();\n this.next();\n // The `super` keyword can appear at below:\n // SuperProperty:\n // super [ Expression ]\n // super . IdentifierName\n // SuperCall:\n // super Arguments\n if (this.type !== types.dot && this.type !== types.bracketL && this.type !== types.parenL)\n { this.unexpected(); }\n return this.finishNode(node, \"Super\")\n\n case types._this:\n node = this.startNode();\n this.next();\n return this.finishNode(node, \"ThisExpression\")\n\n case types.name:\n var startPos = this.start, startLoc = this.startLoc, containsEsc = this.containsEsc;\n var id = this.parseIdent(this.type !== types.name);\n if (this.options.ecmaVersion >= 8 && !containsEsc && id.name === \"async\" && !this.canInsertSemicolon() && this.eat(types._function))\n { return this.parseFunction(this.startNodeAt(startPos, startLoc), false, false, true) }\n if (canBeArrow && !this.canInsertSemicolon()) {\n if (this.eat(types.arrow))\n { return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], false) }\n if (this.options.ecmaVersion >= 8 && id.name === \"async\" && this.type === types.name && !containsEsc) {\n id = this.parseIdent();\n if (this.canInsertSemicolon() || !this.eat(types.arrow))\n { this.unexpected(); }\n return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], true)\n }\n }\n return id\n\n case types.regexp:\n var value = this.value;\n node = this.parseLiteral(value.value);\n node.regex = {pattern: value.pattern, flags: value.flags};\n return node\n\n case types.num: case types.string:\n return this.parseLiteral(this.value)\n\n case types._null: case types._true: case types._false:\n node = this.startNode();\n node.value = this.type === types._null ? null : this.type === types._true;\n node.raw = this.type.keyword;\n this.next();\n return this.finishNode(node, \"Literal\")\n\n case types.parenL:\n var start = this.start, expr = this.parseParenAndDistinguishExpression(canBeArrow);\n if (refDestructuringErrors) {\n if (refDestructuringErrors.parenthesizedAssign < 0 && !this.isSimpleAssignTarget(expr))\n { refDestructuringErrors.parenthesizedAssign = start; }\n if (refDestructuringErrors.parenthesizedBind < 0)\n { refDestructuringErrors.parenthesizedBind = start; }\n }\n return expr\n\n case types.bracketL:\n node = this.startNode();\n this.next();\n node.elements = this.parseExprList(types.bracketR, true, true, refDestructuringErrors);\n return this.finishNode(node, \"ArrayExpression\")\n\n case types.braceL:\n return this.parseObj(false, refDestructuringErrors)\n\n case types._function:\n node = this.startNode();\n this.next();\n return this.parseFunction(node, false)\n\n case types._class:\n return this.parseClass(this.startNode(), false)\n\n case types._new:\n return this.parseNew()\n\n case types.backQuote:\n return this.parseTemplate()\n\n default:\n this.unexpected();\n }\n};\n\npp$3.parseLiteral = function(value) {\n var node = this.startNode();\n node.value = value;\n node.raw = this.input.slice(this.start, this.end);\n this.next();\n return this.finishNode(node, \"Literal\")\n};\n\npp$3.parseParenExpression = function() {\n this.expect(types.parenL);\n var val = this.parseExpression();\n this.expect(types.parenR);\n return val\n};\n\npp$3.parseParenAndDistinguishExpression = function(canBeArrow) {\n var this$1 = this;\n\n var startPos = this.start, startLoc = this.startLoc, val, allowTrailingComma = this.options.ecmaVersion >= 8;\n if (this.options.ecmaVersion >= 6) {\n this.next();\n\n var innerStartPos = this.start, innerStartLoc = this.startLoc;\n var exprList = [], first = true, lastIsComma = false;\n var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, spreadStart;\n this.yieldPos = 0;\n this.awaitPos = 0;\n while (this.type !== types.parenR) {\n first ? first = false : this$1.expect(types.comma);\n if (allowTrailingComma && this$1.afterTrailingComma(types.parenR, true)) {\n lastIsComma = true;\n break\n } else if (this$1.type === types.ellipsis) {\n spreadStart = this$1.start;\n exprList.push(this$1.parseParenItem(this$1.parseRestBinding()));\n if (this$1.type === types.comma) { this$1.raise(this$1.start, \"Comma is not permitted after the rest element\"); }\n break\n } else {\n exprList.push(this$1.parseMaybeAssign(false, refDestructuringErrors, this$1.parseParenItem));\n }\n }\n var innerEndPos = this.start, innerEndLoc = this.startLoc;\n this.expect(types.parenR);\n\n if (canBeArrow && !this.canInsertSemicolon() && this.eat(types.arrow)) {\n this.checkPatternErrors(refDestructuringErrors, false);\n this.checkYieldAwaitInDefaultParams();\n this.yieldPos = oldYieldPos;\n this.awaitPos = oldAwaitPos;\n return this.parseParenArrowList(startPos, startLoc, exprList)\n }\n\n if (!exprList.length || lastIsComma) { this.unexpected(this.lastTokStart); }\n if (spreadStart) { this.unexpected(spreadStart); }\n this.checkExpressionErrors(refDestructuringErrors, true);\n this.yieldPos = oldYieldPos || this.yieldPos;\n this.awaitPos = oldAwaitPos || this.awaitPos;\n\n if (exprList.length > 1) {\n val = this.startNodeAt(innerStartPos, innerStartLoc);\n val.expressions = exprList;\n this.finishNodeAt(val, \"SequenceExpression\", innerEndPos, innerEndLoc);\n } else {\n val = exprList[0];\n }\n } else {\n val = this.parseParenExpression();\n }\n\n if (this.options.preserveParens) {\n var par = this.startNodeAt(startPos, startLoc);\n par.expression = val;\n return this.finishNode(par, \"ParenthesizedExpression\")\n } else {\n return val\n }\n};\n\npp$3.parseParenItem = function(item) {\n return item\n};\n\npp$3.parseParenArrowList = function(startPos, startLoc, exprList) {\n return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList)\n};\n\n// New's precedence is slightly tricky. It must allow its argument to\n// be a `[]` or dot subscript expression, but not a call — at least,\n// not without wrapping it in parentheses. Thus, it uses the noCalls\n// argument to parseSubscripts to prevent it from consuming the\n// argument list.\n\nvar empty$1 = [];\n\npp$3.parseNew = function() {\n var node = this.startNode();\n var meta = this.parseIdent(true);\n if (this.options.ecmaVersion >= 6 && this.eat(types.dot)) {\n node.meta = meta;\n var containsEsc = this.containsEsc;\n node.property = this.parseIdent(true);\n if (node.property.name !== \"target\" || containsEsc)\n { this.raiseRecoverable(node.property.start, \"The only valid meta property for new is new.target\"); }\n if (!this.inFunction)\n { this.raiseRecoverable(node.start, \"new.target can only be used in functions\"); }\n return this.finishNode(node, \"MetaProperty\")\n }\n var startPos = this.start, startLoc = this.startLoc;\n node.callee = this.parseSubscripts(this.parseExprAtom(), startPos, startLoc, true);\n if (this.eat(types.parenL)) { node.arguments = this.parseExprList(types.parenR, this.options.ecmaVersion >= 8, false); }\n else { node.arguments = empty$1; }\n return this.finishNode(node, \"NewExpression\")\n};\n\n// Parse template expression.\n\npp$3.parseTemplateElement = function(ref) {\n var isTagged = ref.isTagged;\n\n var elem = this.startNode();\n if (this.type === types.invalidTemplate) {\n if (!isTagged) {\n this.raiseRecoverable(this.start, \"Bad escape sequence in untagged template literal\");\n }\n elem.value = {\n raw: this.value,\n cooked: null\n };\n } else {\n elem.value = {\n raw: this.input.slice(this.start, this.end).replace(/\\r\\n?/g, \"\\n\"),\n cooked: this.value\n };\n }\n this.next();\n elem.tail = this.type === types.backQuote;\n return this.finishNode(elem, \"TemplateElement\")\n};\n\npp$3.parseTemplate = function(ref) {\n var this$1 = this;\n if ( ref === void 0 ) ref = {};\n var isTagged = ref.isTagged; if ( isTagged === void 0 ) isTagged = false;\n\n var node = this.startNode();\n this.next();\n node.expressions = [];\n var curElt = this.parseTemplateElement({isTagged: isTagged});\n node.quasis = [curElt];\n while (!curElt.tail) {\n if (this$1.type === types.eof) { this$1.raise(this$1.pos, \"Unterminated template literal\"); }\n this$1.expect(types.dollarBraceL);\n node.expressions.push(this$1.parseExpression());\n this$1.expect(types.braceR);\n node.quasis.push(curElt = this$1.parseTemplateElement({isTagged: isTagged}));\n }\n this.next();\n return this.finishNode(node, \"TemplateLiteral\")\n};\n\npp$3.isAsyncProp = function(prop) {\n return !prop.computed && prop.key.type === \"Identifier\" && prop.key.name === \"async\" &&\n (this.type === types.name || this.type === types.num || this.type === types.string || this.type === types.bracketL || this.type.keyword || (this.options.ecmaVersion >= 9 && this.type === types.star)) &&\n !lineBreak.test(this.input.slice(this.lastTokEnd, this.start))\n};\n\n// Parse an object literal or binding pattern.\n\npp$3.parseObj = function(isPattern, refDestructuringErrors) {\n var this$1 = this;\n\n var node = this.startNode(), first = true, propHash = {};\n node.properties = [];\n this.next();\n while (!this.eat(types.braceR)) {\n if (!first) {\n this$1.expect(types.comma);\n if (this$1.afterTrailingComma(types.braceR)) { break }\n } else { first = false; }\n\n var prop = this$1.parseProperty(isPattern, refDestructuringErrors);\n if (!isPattern) { this$1.checkPropClash(prop, propHash, refDestructuringErrors); }\n node.properties.push(prop);\n }\n return this.finishNode(node, isPattern ? \"ObjectPattern\" : \"ObjectExpression\")\n};\n\npp$3.parseProperty = function(isPattern, refDestructuringErrors) {\n var prop = this.startNode(), isGenerator, isAsync, startPos, startLoc;\n if (this.options.ecmaVersion >= 9 && this.eat(types.ellipsis)) {\n if (isPattern) {\n prop.argument = this.parseIdent(false);\n if (this.type === types.comma) {\n this.raise(this.start, \"Comma is not permitted after the rest element\");\n }\n return this.finishNode(prop, \"RestElement\")\n }\n // To disallow parenthesized identifier via `this.toAssignable()`.\n if (this.type === types.parenL && refDestructuringErrors) {\n if (refDestructuringErrors.parenthesizedAssign < 0) {\n refDestructuringErrors.parenthesizedAssign = this.start;\n }\n if (refDestructuringErrors.parenthesizedBind < 0) {\n refDestructuringErrors.parenthesizedBind = this.start;\n }\n }\n // Parse argument.\n prop.argument = this.parseMaybeAssign(false, refDestructuringErrors);\n // To disallow trailing comma via `this.toAssignable()`.\n if (this.type === types.comma && refDestructuringErrors && refDestructuringErrors.trailingComma < 0) {\n refDestructuringErrors.trailingComma = this.start;\n }\n // Finish\n return this.finishNode(prop, \"SpreadElement\")\n }\n if (this.options.ecmaVersion >= 6) {\n prop.method = false;\n prop.shorthand = false;\n if (isPattern || refDestructuringErrors) {\n startPos = this.start;\n startLoc = this.startLoc;\n }\n if (!isPattern)\n { isGenerator = this.eat(types.star); }\n }\n var containsEsc = this.containsEsc;\n this.parsePropertyName(prop);\n if (!isPattern && !containsEsc && this.options.ecmaVersion >= 8 && !isGenerator && this.isAsyncProp(prop)) {\n isAsync = true;\n isGenerator = this.options.ecmaVersion >= 9 && this.eat(types.star);\n this.parsePropertyName(prop, refDestructuringErrors);\n } else {\n isAsync = false;\n }\n this.parsePropertyValue(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc);\n return this.finishNode(prop, \"Property\")\n};\n\npp$3.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc) {\n if ((isGenerator || isAsync) && this.type === types.colon)\n { this.unexpected(); }\n\n if (this.eat(types.colon)) {\n prop.value = isPattern ? this.parseMaybeDefault(this.start, this.startLoc) : this.parseMaybeAssign(false, refDestructuringErrors);\n prop.kind = \"init\";\n } else if (this.options.ecmaVersion >= 6 && this.type === types.parenL) {\n if (isPattern) { this.unexpected(); }\n prop.kind = \"init\";\n prop.method = true;\n prop.value = this.parseMethod(isGenerator, isAsync);\n } else if (!isPattern && !containsEsc &&\n this.options.ecmaVersion >= 5 && !prop.computed && prop.key.type === \"Identifier\" &&\n (prop.key.name === \"get\" || prop.key.name === \"set\") &&\n (this.type !== types.comma && this.type !== types.braceR)) {\n if (isGenerator || isAsync) { this.unexpected(); }\n prop.kind = prop.key.name;\n this.parsePropertyName(prop);\n prop.value = this.parseMethod(false);\n var paramCount = prop.kind === \"get\" ? 0 : 1;\n if (prop.value.params.length !== paramCount) {\n var start = prop.value.start;\n if (prop.kind === \"get\")\n { this.raiseRecoverable(start, \"getter should have no params\"); }\n else\n { this.raiseRecoverable(start, \"setter should have exactly one param\"); }\n } else {\n if (prop.kind === \"set\" && prop.value.params[0].type === \"RestElement\")\n { this.raiseRecoverable(prop.value.params[0].start, \"Setter cannot use rest params\"); }\n }\n } else if (this.options.ecmaVersion >= 6 && !prop.computed && prop.key.type === \"Identifier\") {\n this.checkUnreserved(prop.key);\n prop.kind = \"init\";\n if (isPattern) {\n prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key);\n } else if (this.type === types.eq && refDestructuringErrors) {\n if (refDestructuringErrors.shorthandAssign < 0)\n { refDestructuringErrors.shorthandAssign = this.start; }\n prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key);\n } else {\n prop.value = prop.key;\n }\n prop.shorthand = true;\n } else { this.unexpected(); }\n};\n\npp$3.parsePropertyName = function(prop) {\n if (this.options.ecmaVersion >= 6) {\n if (this.eat(types.bracketL)) {\n prop.computed = true;\n prop.key = this.parseMaybeAssign();\n this.expect(types.bracketR);\n return prop.key\n } else {\n prop.computed = false;\n }\n }\n return prop.key = this.type === types.num || this.type === types.string ? this.parseExprAtom() : this.parseIdent(true)\n};\n\n// Initialize empty function node.\n\npp$3.initFunction = function(node) {\n node.id = null;\n if (this.options.ecmaVersion >= 6) {\n node.generator = false;\n node.expression = false;\n }\n if (this.options.ecmaVersion >= 8)\n { node.async = false; }\n};\n\n// Parse object or class method.\n\npp$3.parseMethod = function(isGenerator, isAsync) {\n var node = this.startNode(), oldInGen = this.inGenerator, oldInAsync = this.inAsync,\n oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldInFunc = this.inFunction;\n\n this.initFunction(node);\n if (this.options.ecmaVersion >= 6)\n { node.generator = isGenerator; }\n if (this.options.ecmaVersion >= 8)\n { node.async = !!isAsync; }\n\n this.inGenerator = node.generator;\n this.inAsync = node.async;\n this.yieldPos = 0;\n this.awaitPos = 0;\n this.inFunction = true;\n this.enterFunctionScope();\n\n this.expect(types.parenL);\n node.params = this.parseBindingList(types.parenR, false, this.options.ecmaVersion >= 8);\n this.checkYieldAwaitInDefaultParams();\n this.parseFunctionBody(node, false);\n\n this.inGenerator = oldInGen;\n this.inAsync = oldInAsync;\n this.yieldPos = oldYieldPos;\n this.awaitPos = oldAwaitPos;\n this.inFunction = oldInFunc;\n return this.finishNode(node, \"FunctionExpression\")\n};\n\n// Parse arrow function expression with given parameters.\n\npp$3.parseArrowExpression = function(node, params, isAsync) {\n var oldInGen = this.inGenerator, oldInAsync = this.inAsync,\n oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldInFunc = this.inFunction;\n\n this.enterFunctionScope();\n this.initFunction(node);\n if (this.options.ecmaVersion >= 8)\n { node.async = !!isAsync; }\n\n this.inGenerator = false;\n this.inAsync = node.async;\n this.yieldPos = 0;\n this.awaitPos = 0;\n this.inFunction = true;\n\n node.params = this.toAssignableList(params, true);\n this.parseFunctionBody(node, true);\n\n this.inGenerator = oldInGen;\n this.inAsync = oldInAsync;\n this.yieldPos = oldYieldPos;\n this.awaitPos = oldAwaitPos;\n this.inFunction = oldInFunc;\n return this.finishNode(node, \"ArrowFunctionExpression\")\n};\n\n// Parse function body and check parameters.\n\npp$3.parseFunctionBody = function(node, isArrowFunction) {\n var isExpression = isArrowFunction && this.type !== types.braceL;\n var oldStrict = this.strict, useStrict = false;\n\n if (isExpression) {\n node.body = this.parseMaybeAssign();\n node.expression = true;\n this.checkParams(node, false);\n } else {\n var nonSimple = this.options.ecmaVersion >= 7 && !this.isSimpleParamList(node.params);\n if (!oldStrict || nonSimple) {\n useStrict = this.strictDirective(this.end);\n // If this is a strict mode function, verify that argument names\n // are not repeated, and it does not try to bind the words `eval`\n // or `arguments`.\n if (useStrict && nonSimple)\n { this.raiseRecoverable(node.start, \"Illegal 'use strict' directive in function with non-simple parameter list\"); }\n }\n // Start a new scope with regard to labels and the `inFunction`\n // flag (restore them to their old value afterwards).\n var oldLabels = this.labels;\n this.labels = [];\n if (useStrict) { this.strict = true; }\n\n // Add the params to varDeclaredNames to ensure that an error is thrown\n // if a let/const declaration in the function clashes with one of the params.\n this.checkParams(node, !oldStrict && !useStrict && !isArrowFunction && this.isSimpleParamList(node.params));\n node.body = this.parseBlock(false);\n node.expression = false;\n this.adaptDirectivePrologue(node.body.body);\n this.labels = oldLabels;\n }\n this.exitFunctionScope();\n\n if (this.strict && node.id) {\n // Ensure the function name isn't a forbidden identifier in strict mode, e.g. 'eval'\n this.checkLVal(node.id, \"none\");\n }\n this.strict = oldStrict;\n};\n\npp$3.isSimpleParamList = function(params) {\n for (var i = 0, list = params; i < list.length; i += 1)\n {\n var param = list[i];\n\n if (param.type !== \"Identifier\") { return false\n } }\n return true\n};\n\n// Checks function params for various disallowed patterns such as using \"eval\"\n// or \"arguments\" and duplicate parameters.\n\npp$3.checkParams = function(node, allowDuplicates) {\n var this$1 = this;\n\n var nameHash = {};\n for (var i = 0, list = node.params; i < list.length; i += 1)\n {\n var param = list[i];\n\n this$1.checkLVal(param, \"var\", allowDuplicates ? null : nameHash);\n }\n};\n\n// Parses a comma-separated list of expressions, and returns them as\n// an array. `close` is the token type that ends the list, and\n// `allowEmpty` can be turned on to allow subsequent commas with\n// nothing in between them to be parsed as `null` (which is needed\n// for array literals).\n\npp$3.parseExprList = function(close, allowTrailingComma, allowEmpty, refDestructuringErrors) {\n var this$1 = this;\n\n var elts = [], first = true;\n while (!this.eat(close)) {\n if (!first) {\n this$1.expect(types.comma);\n if (allowTrailingComma && this$1.afterTrailingComma(close)) { break }\n } else { first = false; }\n\n var elt = (void 0);\n if (allowEmpty && this$1.type === types.comma)\n { elt = null; }\n else if (this$1.type === types.ellipsis) {\n elt = this$1.parseSpread(refDestructuringErrors);\n if (refDestructuringErrors && this$1.type === types.comma && refDestructuringErrors.trailingComma < 0)\n { refDestructuringErrors.trailingComma = this$1.start; }\n } else {\n elt = this$1.parseMaybeAssign(false, refDestructuringErrors);\n }\n elts.push(elt);\n }\n return elts\n};\n\npp$3.checkUnreserved = function(ref) {\n var start = ref.start;\n var end = ref.end;\n var name = ref.name;\n\n if (this.inGenerator && name === \"yield\")\n { this.raiseRecoverable(start, \"Can not use 'yield' as identifier inside a generator\"); }\n if (this.inAsync && name === \"await\")\n { this.raiseRecoverable(start, \"Can not use 'await' as identifier inside an async function\"); }\n if (this.isKeyword(name))\n { this.raise(start, (\"Unexpected keyword '\" + name + \"'\")); }\n if (this.options.ecmaVersion < 6 &&\n this.input.slice(start, end).indexOf(\"\\\\\") !== -1) { return }\n var re = this.strict ? this.reservedWordsStrict : this.reservedWords;\n if (re.test(name)) {\n if (!this.inAsync && name === \"await\")\n { this.raiseRecoverable(start, \"Can not use keyword 'await' outside an async function\"); }\n this.raiseRecoverable(start, (\"The keyword '\" + name + \"' is reserved\"));\n }\n};\n\n// Parse the next token as an identifier. If `liberal` is true (used\n// when parsing properties), it will also convert keywords into\n// identifiers.\n\npp$3.parseIdent = function(liberal, isBinding) {\n var node = this.startNode();\n if (liberal && this.options.allowReserved === \"never\") { liberal = false; }\n if (this.type === types.name) {\n node.name = this.value;\n } else if (this.type.keyword) {\n node.name = this.type.keyword;\n\n // To fix https://github.com/acornjs/acorn/issues/575\n // `class` and `function` keywords push new context into this.context.\n // But there is no chance to pop the context if the keyword is consumed as an identifier such as a property name.\n // If the previous token is a dot, this does not apply because the context-managing code already ignored the keyword\n if ((node.name === \"class\" || node.name === \"function\") &&\n (this.lastTokEnd !== this.lastTokStart + 1 || this.input.charCodeAt(this.lastTokStart) !== 46)) {\n this.context.pop();\n }\n } else {\n this.unexpected();\n }\n this.next();\n this.finishNode(node, \"Identifier\");\n if (!liberal) { this.checkUnreserved(node); }\n return node\n};\n\n// Parses yield expression inside generator.\n\npp$3.parseYield = function() {\n if (!this.yieldPos) { this.yieldPos = this.start; }\n\n var node = this.startNode();\n this.next();\n if (this.type === types.semi || this.canInsertSemicolon() || (this.type !== types.star && !this.type.startsExpr)) {\n node.delegate = false;\n node.argument = null;\n } else {\n node.delegate = this.eat(types.star);\n node.argument = this.parseMaybeAssign();\n }\n return this.finishNode(node, \"YieldExpression\")\n};\n\npp$3.parseAwait = function() {\n if (!this.awaitPos) { this.awaitPos = this.start; }\n\n var node = this.startNode();\n this.next();\n node.argument = this.parseMaybeUnary(null, true);\n return this.finishNode(node, \"AwaitExpression\")\n};\n\nvar pp$4 = Parser.prototype;\n\n// This function is used to raise exceptions on parse errors. It\n// takes an offset integer (into the current `input`) to indicate\n// the location of the error, attaches the position to the end\n// of the error message, and then raises a `SyntaxError` with that\n// message.\n\npp$4.raise = function(pos, message) {\n var loc = getLineInfo(this.input, pos);\n message += \" (\" + loc.line + \":\" + loc.column + \")\";\n var err = new SyntaxError(message);\n err.pos = pos; err.loc = loc; err.raisedAt = this.pos;\n throw err\n};\n\npp$4.raiseRecoverable = pp$4.raise;\n\npp$4.curPosition = function() {\n if (this.options.locations) {\n return new Position(this.curLine, this.pos - this.lineStart)\n }\n};\n\nvar pp$5 = Parser.prototype;\n\n// Object.assign polyfill\nvar assign = Object.assign || function(target) {\n var sources = [], len = arguments.length - 1;\n while ( len-- > 0 ) sources[ len ] = arguments[ len + 1 ];\n\n for (var i = 0, list = sources; i < list.length; i += 1) {\n var source = list[i];\n\n for (var key in source) {\n if (has(source, key)) {\n target[key] = source[key];\n }\n }\n }\n return target\n};\n\n// The functions in this module keep track of declared variables in the current scope in order to detect duplicate variable names.\n\npp$5.enterFunctionScope = function() {\n // var: a hash of var-declared names in the current lexical scope\n // lexical: a hash of lexically-declared names in the current lexical scope\n // childVar: a hash of var-declared names in all child lexical scopes of the current lexical scope (within the current function scope)\n // parentLexical: a hash of lexically-declared names in all parent lexical scopes of the current lexical scope (within the current function scope)\n this.scopeStack.push({var: {}, lexical: {}, childVar: {}, parentLexical: {}});\n};\n\npp$5.exitFunctionScope = function() {\n this.scopeStack.pop();\n};\n\npp$5.enterLexicalScope = function() {\n var parentScope = this.scopeStack[this.scopeStack.length - 1];\n var childScope = {var: {}, lexical: {}, childVar: {}, parentLexical: {}};\n\n this.scopeStack.push(childScope);\n assign(childScope.parentLexical, parentScope.lexical, parentScope.parentLexical);\n};\n\npp$5.exitLexicalScope = function() {\n var childScope = this.scopeStack.pop();\n var parentScope = this.scopeStack[this.scopeStack.length - 1];\n\n assign(parentScope.childVar, childScope.var, childScope.childVar);\n};\n\n/**\n * A name can be declared with `var` if there are no variables with the same name declared with `let`/`const`\n * in the current lexical scope or any of the parent lexical scopes in this function.\n */\npp$5.canDeclareVarName = function(name) {\n var currentScope = this.scopeStack[this.scopeStack.length - 1];\n\n return !has(currentScope.lexical, name) && !has(currentScope.parentLexical, name)\n};\n\n/**\n * A name can be declared with `let`/`const` if there are no variables with the same name declared with `let`/`const`\n * in the current scope, and there are no variables with the same name declared with `var` in the current scope or in\n * any child lexical scopes in this function.\n */\npp$5.canDeclareLexicalName = function(name) {\n var currentScope = this.scopeStack[this.scopeStack.length - 1];\n\n return !has(currentScope.lexical, name) && !has(currentScope.var, name) && !has(currentScope.childVar, name)\n};\n\npp$5.declareVarName = function(name) {\n this.scopeStack[this.scopeStack.length - 1].var[name] = true;\n};\n\npp$5.declareLexicalName = function(name) {\n this.scopeStack[this.scopeStack.length - 1].lexical[name] = true;\n};\n\nvar Node = function Node(parser, pos, loc) {\n this.type = \"\";\n this.start = pos;\n this.end = 0;\n if (parser.options.locations)\n { this.loc = new SourceLocation(parser, loc); }\n if (parser.options.directSourceFile)\n { this.sourceFile = parser.options.directSourceFile; }\n if (parser.options.ranges)\n { this.range = [pos, 0]; }\n};\n\n// Start an AST node, attaching a start offset.\n\nvar pp$6 = Parser.prototype;\n\npp$6.startNode = function() {\n return new Node(this, this.start, this.startLoc)\n};\n\npp$6.startNodeAt = function(pos, loc) {\n return new Node(this, pos, loc)\n};\n\n// Finish an AST node, adding `type` and `end` properties.\n\nfunction finishNodeAt(node, type, pos, loc) {\n node.type = type;\n node.end = pos;\n if (this.options.locations)\n { node.loc.end = loc; }\n if (this.options.ranges)\n { node.range[1] = pos; }\n return node\n}\n\npp$6.finishNode = function(node, type) {\n return finishNodeAt.call(this, node, type, this.lastTokEnd, this.lastTokEndLoc)\n};\n\n// Finish node at given position\n\npp$6.finishNodeAt = function(node, type, pos, loc) {\n return finishNodeAt.call(this, node, type, pos, loc)\n};\n\n// The algorithm used to determine whether a regexp can appear at a\n// given point in the program is loosely based on sweet.js' approach.\n// See https://github.com/mozilla/sweet.js/wiki/design\n\nvar TokContext = function TokContext(token, isExpr, preserveSpace, override, generator) {\n this.token = token;\n this.isExpr = !!isExpr;\n this.preserveSpace = !!preserveSpace;\n this.override = override;\n this.generator = !!generator;\n};\n\nvar types$1 = {\n b_stat: new TokContext(\"{\", false),\n b_expr: new TokContext(\"{\", true),\n b_tmpl: new TokContext(\"${\", false),\n p_stat: new TokContext(\"(\", false),\n p_expr: new TokContext(\"(\", true),\n q_tmpl: new TokContext(\"`\", true, true, function (p) { return p.tryReadTemplateToken(); }),\n f_stat: new TokContext(\"function\", false),\n f_expr: new TokContext(\"function\", true),\n f_expr_gen: new TokContext(\"function\", true, false, null, true),\n f_gen: new TokContext(\"function\", false, false, null, true)\n};\n\nvar pp$7 = Parser.prototype;\n\npp$7.initialContext = function() {\n return [types$1.b_stat]\n};\n\npp$7.braceIsBlock = function(prevType) {\n var parent = this.curContext();\n if (parent === types$1.f_expr || parent === types$1.f_stat)\n { return true }\n if (prevType === types.colon && (parent === types$1.b_stat || parent === types$1.b_expr))\n { return !parent.isExpr }\n\n // The check for `tt.name && exprAllowed` detects whether we are\n // after a `yield` or `of` construct. See the `updateContext` for\n // `tt.name`.\n if (prevType === types._return || prevType === types.name && this.exprAllowed)\n { return lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) }\n if (prevType === types._else || prevType === types.semi || prevType === types.eof || prevType === types.parenR || prevType === types.arrow)\n { return true }\n if (prevType === types.braceL)\n { return parent === types$1.b_stat }\n if (prevType === types._var || prevType === types.name)\n { return false }\n return !this.exprAllowed\n};\n\npp$7.inGeneratorContext = function() {\n var this$1 = this;\n\n for (var i = this.context.length - 1; i >= 1; i--) {\n var context = this$1.context[i];\n if (context.token === \"function\")\n { return context.generator }\n }\n return false\n};\n\npp$7.updateContext = function(prevType) {\n var update, type = this.type;\n if (type.keyword && prevType === types.dot)\n { this.exprAllowed = false; }\n else if (update = type.updateContext)\n { update.call(this, prevType); }\n else\n { this.exprAllowed = type.beforeExpr; }\n};\n\n// Token-specific context update code\n\ntypes.parenR.updateContext = types.braceR.updateContext = function() {\n if (this.context.length === 1) {\n this.exprAllowed = true;\n return\n }\n var out = this.context.pop();\n if (out === types$1.b_stat && this.curContext().token === \"function\") {\n out = this.context.pop();\n }\n this.exprAllowed = !out.isExpr;\n};\n\ntypes.braceL.updateContext = function(prevType) {\n this.context.push(this.braceIsBlock(prevType) ? types$1.b_stat : types$1.b_expr);\n this.exprAllowed = true;\n};\n\ntypes.dollarBraceL.updateContext = function() {\n this.context.push(types$1.b_tmpl);\n this.exprAllowed = true;\n};\n\ntypes.parenL.updateContext = function(prevType) {\n var statementParens = prevType === types._if || prevType === types._for || prevType === types._with || prevType === types._while;\n this.context.push(statementParens ? types$1.p_stat : types$1.p_expr);\n this.exprAllowed = true;\n};\n\ntypes.incDec.updateContext = function() {\n // tokExprAllowed stays unchanged\n};\n\ntypes._function.updateContext = types._class.updateContext = function(prevType) {\n if (prevType.beforeExpr && prevType !== types.semi && prevType !== types._else &&\n !((prevType === types.colon || prevType === types.braceL) && this.curContext() === types$1.b_stat))\n { this.context.push(types$1.f_expr); }\n else\n { this.context.push(types$1.f_stat); }\n this.exprAllowed = false;\n};\n\ntypes.backQuote.updateContext = function() {\n if (this.curContext() === types$1.q_tmpl)\n { this.context.pop(); }\n else\n { this.context.push(types$1.q_tmpl); }\n this.exprAllowed = false;\n};\n\ntypes.star.updateContext = function(prevType) {\n if (prevType === types._function) {\n var index = this.context.length - 1;\n if (this.context[index] === types$1.f_expr)\n { this.context[index] = types$1.f_expr_gen; }\n else\n { this.context[index] = types$1.f_gen; }\n }\n this.exprAllowed = true;\n};\n\ntypes.name.updateContext = function(prevType) {\n var allowed = false;\n if (this.options.ecmaVersion >= 6 && prevType !== types.dot) {\n if (this.value === \"of\" && !this.exprAllowed ||\n this.value === \"yield\" && this.inGeneratorContext())\n { allowed = true; }\n }\n this.exprAllowed = allowed;\n};\n\nvar data = {\n \"$LONE\": [\n \"ASCII\",\n \"ASCII_Hex_Digit\",\n \"AHex\",\n \"Alphabetic\",\n \"Alpha\",\n \"Any\",\n \"Assigned\",\n \"Bidi_Control\",\n \"Bidi_C\",\n \"Bidi_Mirrored\",\n \"Bidi_M\",\n \"Case_Ignorable\",\n \"CI\",\n \"Cased\",\n \"Changes_When_Casefolded\",\n \"CWCF\",\n \"Changes_When_Casemapped\",\n \"CWCM\",\n \"Changes_When_Lowercased\",\n \"CWL\",\n \"Changes_When_NFKC_Casefolded\",\n \"CWKCF\",\n \"Changes_When_Titlecased\",\n \"CWT\",\n \"Changes_When_Uppercased\",\n \"CWU\",\n \"Dash\",\n \"Default_Ignorable_Code_Point\",\n \"DI\",\n \"Deprecated\",\n \"Dep\",\n \"Diacritic\",\n \"Dia\",\n \"Emoji\",\n \"Emoji_Component\",\n \"Emoji_Modifier\",\n \"Emoji_Modifier_Base\",\n \"Emoji_Presentation\",\n \"Extender\",\n \"Ext\",\n \"Grapheme_Base\",\n \"Gr_Base\",\n \"Grapheme_Extend\",\n \"Gr_Ext\",\n \"Hex_Digit\",\n \"Hex\",\n \"IDS_Binary_Operator\",\n \"IDSB\",\n \"IDS_Trinary_Operator\",\n \"IDST\",\n \"ID_Continue\",\n \"IDC\",\n \"ID_Start\",\n \"IDS\",\n \"Ideographic\",\n \"Ideo\",\n \"Join_Control\",\n \"Join_C\",\n \"Logical_Order_Exception\",\n \"LOE\",\n \"Lowercase\",\n \"Lower\",\n \"Math\",\n \"Noncharacter_Code_Point\",\n \"NChar\",\n \"Pattern_Syntax\",\n \"Pat_Syn\",\n \"Pattern_White_Space\",\n \"Pat_WS\",\n \"Quotation_Mark\",\n \"QMark\",\n \"Radical\",\n \"Regional_Indicator\",\n \"RI\",\n \"Sentence_Terminal\",\n \"STerm\",\n \"Soft_Dotted\",\n \"SD\",\n \"Terminal_Punctuation\",\n \"Term\",\n \"Unified_Ideograph\",\n \"UIdeo\",\n \"Uppercase\",\n \"Upper\",\n \"Variation_Selector\",\n \"VS\",\n \"White_Space\",\n \"space\",\n \"XID_Continue\",\n \"XIDC\",\n \"XID_Start\",\n \"XIDS\"\n ],\n \"General_Category\": [\n \"Cased_Letter\",\n \"LC\",\n \"Close_Punctuation\",\n \"Pe\",\n \"Connector_Punctuation\",\n \"Pc\",\n \"Control\",\n \"Cc\",\n \"cntrl\",\n \"Currency_Symbol\",\n \"Sc\",\n \"Dash_Punctuation\",\n \"Pd\",\n \"Decimal_Number\",\n \"Nd\",\n \"digit\",\n \"Enclosing_Mark\",\n \"Me\",\n \"Final_Punctuation\",\n \"Pf\",\n \"Format\",\n \"Cf\",\n \"Initial_Punctuation\",\n \"Pi\",\n \"Letter\",\n \"L\",\n \"Letter_Number\",\n \"Nl\",\n \"Line_Separator\",\n \"Zl\",\n \"Lowercase_Letter\",\n \"Ll\",\n \"Mark\",\n \"M\",\n \"Combining_Mark\",\n \"Math_Symbol\",\n \"Sm\",\n \"Modifier_Letter\",\n \"Lm\",\n \"Modifier_Symbol\",\n \"Sk\",\n \"Nonspacing_Mark\",\n \"Mn\",\n \"Number\",\n \"N\",\n \"Open_Punctuation\",\n \"Ps\",\n \"Other\",\n \"C\",\n \"Other_Letter\",\n \"Lo\",\n \"Other_Number\",\n \"No\",\n \"Other_Punctuation\",\n \"Po\",\n \"Other_Symbol\",\n \"So\",\n \"Paragraph_Separator\",\n \"Zp\",\n \"Private_Use\",\n \"Co\",\n \"Punctuation\",\n \"P\",\n \"punct\",\n \"Separator\",\n \"Z\",\n \"Space_Separator\",\n \"Zs\",\n \"Spacing_Mark\",\n \"Mc\",\n \"Surrogate\",\n \"Cs\",\n \"Symbol\",\n \"S\",\n \"Titlecase_Letter\",\n \"Lt\",\n \"Unassigned\",\n \"Cn\",\n \"Uppercase_Letter\",\n \"Lu\"\n ],\n \"Script\": [\n \"Adlam\",\n \"Adlm\",\n \"Ahom\",\n \"Anatolian_Hieroglyphs\",\n \"Hluw\",\n \"Arabic\",\n \"Arab\",\n \"Armenian\",\n \"Armn\",\n \"Avestan\",\n \"Avst\",\n \"Balinese\",\n \"Bali\",\n \"Bamum\",\n \"Bamu\",\n \"Bassa_Vah\",\n \"Bass\",\n \"Batak\",\n \"Batk\",\n \"Bengali\",\n \"Beng\",\n \"Bhaiksuki\",\n \"Bhks\",\n \"Bopomofo\",\n \"Bopo\",\n \"Brahmi\",\n \"Brah\",\n \"Braille\",\n \"Brai\",\n \"Buginese\",\n \"Bugi\",\n \"Buhid\",\n \"Buhd\",\n \"Canadian_Aboriginal\",\n \"Cans\",\n \"Carian\",\n \"Cari\",\n \"Caucasian_Albanian\",\n \"Aghb\",\n \"Chakma\",\n \"Cakm\",\n \"Cham\",\n \"Cherokee\",\n \"Cher\",\n \"Common\",\n \"Zyyy\",\n \"Coptic\",\n \"Copt\",\n \"Qaac\",\n \"Cuneiform\",\n \"Xsux\",\n \"Cypriot\",\n \"Cprt\",\n \"Cyrillic\",\n \"Cyrl\",\n \"Deseret\",\n \"Dsrt\",\n \"Devanagari\",\n \"Deva\",\n \"Duployan\",\n \"Dupl\",\n \"Egyptian_Hieroglyphs\",\n \"Egyp\",\n \"Elbasan\",\n \"Elba\",\n \"Ethiopic\",\n \"Ethi\",\n \"Georgian\",\n \"Geor\",\n \"Glagolitic\",\n \"Glag\",\n \"Gothic\",\n \"Goth\",\n \"Grantha\",\n \"Gran\",\n \"Greek\",\n \"Grek\",\n \"Gujarati\",\n \"Gujr\",\n \"Gurmukhi\",\n \"Guru\",\n \"Han\",\n \"Hani\",\n \"Hangul\",\n \"Hang\",\n \"Hanunoo\",\n \"Hano\",\n \"Hatran\",\n \"Hatr\",\n \"Hebrew\",\n \"Hebr\",\n \"Hiragana\",\n \"Hira\",\n \"Imperial_Aramaic\",\n \"Armi\",\n \"Inherited\",\n \"Zinh\",\n \"Qaai\",\n \"Inscriptional_Pahlavi\",\n \"Phli\",\n \"Inscriptional_Parthian\",\n \"Prti\",\n \"Javanese\",\n \"Java\",\n \"Kaithi\",\n \"Kthi\",\n \"Kannada\",\n \"Knda\",\n \"Katakana\",\n \"Kana\",\n \"Kayah_Li\",\n \"Kali\",\n \"Kharoshthi\",\n \"Khar\",\n \"Khmer\",\n \"Khmr\",\n \"Khojki\",\n \"Khoj\",\n \"Khudawadi\",\n \"Sind\",\n \"Lao\",\n \"Laoo\",\n \"Latin\",\n \"Latn\",\n \"Lepcha\",\n \"Lepc\",\n \"Limbu\",\n \"Limb\",\n \"Linear_A\",\n \"Lina\",\n \"Linear_B\",\n \"Linb\",\n \"Lisu\",\n \"Lycian\",\n \"Lyci\",\n \"Lydian\",\n \"Lydi\",\n \"Mahajani\",\n \"Mahj\",\n \"Malayalam\",\n \"Mlym\",\n \"Mandaic\",\n \"Mand\",\n \"Manichaean\",\n \"Mani\",\n \"Marchen\",\n \"Marc\",\n \"Masaram_Gondi\",\n \"Gonm\",\n \"Meetei_Mayek\",\n \"Mtei\",\n \"Mende_Kikakui\",\n \"Mend\",\n \"Meroitic_Cursive\",\n \"Merc\",\n \"Meroitic_Hieroglyphs\",\n \"Mero\",\n \"Miao\",\n \"Plrd\",\n \"Modi\",\n \"Mongolian\",\n \"Mong\",\n \"Mro\",\n \"Mroo\",\n \"Multani\",\n \"Mult\",\n \"Myanmar\",\n \"Mymr\",\n \"Nabataean\",\n \"Nbat\",\n \"New_Tai_Lue\",\n \"Talu\",\n \"Newa\",\n \"Nko\",\n \"Nkoo\",\n \"Nushu\",\n \"Nshu\",\n \"Ogham\",\n \"Ogam\",\n \"Ol_Chiki\",\n \"Olck\",\n \"Old_Hungarian\",\n \"Hung\",\n \"Old_Italic\",\n \"Ital\",\n \"Old_North_Arabian\",\n \"Narb\",\n \"Old_Permic\",\n \"Perm\",\n \"Old_Persian\",\n \"Xpeo\",\n \"Old_South_Arabian\",\n \"Sarb\",\n \"Old_Turkic\",\n \"Orkh\",\n \"Oriya\",\n \"Orya\",\n \"Osage\",\n \"Osge\",\n \"Osmanya\",\n \"Osma\",\n \"Pahawh_Hmong\",\n \"Hmng\",\n \"Palmyrene\",\n \"Palm\",\n \"Pau_Cin_Hau\",\n \"Pauc\",\n \"Phags_Pa\",\n \"Phag\",\n \"Phoenician\",\n \"Phnx\",\n \"Psalter_Pahlavi\",\n \"Phlp\",\n \"Rejang\",\n \"Rjng\",\n \"Runic\",\n \"Runr\",\n \"Samaritan\",\n \"Samr\",\n \"Saurashtra\",\n \"Saur\",\n \"Sharada\",\n \"Shrd\",\n \"Shavian\",\n \"Shaw\",\n \"Siddham\",\n \"Sidd\",\n \"SignWriting\",\n \"Sgnw\",\n \"Sinhala\",\n \"Sinh\",\n \"Sora_Sompeng\",\n \"Sora\",\n \"Soyombo\",\n \"Soyo\",\n \"Sundanese\",\n \"Sund\",\n \"Syloti_Nagri\",\n \"Sylo\",\n \"Syriac\",\n \"Syrc\",\n \"Tagalog\",\n \"Tglg\",\n \"Tagbanwa\",\n \"Tagb\",\n \"Tai_Le\",\n \"Tale\",\n \"Tai_Tham\",\n \"Lana\",\n \"Tai_Viet\",\n \"Tavt\",\n \"Takri\",\n \"Takr\",\n \"Tamil\",\n \"Taml\",\n \"Tangut\",\n \"Tang\",\n \"Telugu\",\n \"Telu\",\n \"Thaana\",\n \"Thaa\",\n \"Thai\",\n \"Tibetan\",\n \"Tibt\",\n \"Tifinagh\",\n \"Tfng\",\n \"Tirhuta\",\n \"Tirh\",\n \"Ugaritic\",\n \"Ugar\",\n \"Vai\",\n \"Vaii\",\n \"Warang_Citi\",\n \"Wara\",\n \"Yi\",\n \"Yiii\",\n \"Zanabazar_Square\",\n \"Zanb\"\n ]\n};\nArray.prototype.push.apply(data.$LONE, data.General_Category);\ndata.gc = data.General_Category;\ndata.sc = data.Script_Extensions = data.scx = data.Script;\n\nvar pp$9 = Parser.prototype;\n\nvar RegExpValidationState = function RegExpValidationState(parser) {\n this.parser = parser;\n this.validFlags = \"gim\" + (parser.options.ecmaVersion >= 6 ? \"uy\" : \"\") + (parser.options.ecmaVersion >= 9 ? \"s\" : \"\");\n this.source = \"\";\n this.flags = \"\";\n this.start = 0;\n this.switchU = false;\n this.switchN = false;\n this.pos = 0;\n this.lastIntValue = 0;\n this.lastStringValue = \"\";\n this.lastAssertionIsQuantifiable = false;\n this.numCapturingParens = 0;\n this.maxBackReference = 0;\n this.groupNames = [];\n this.backReferenceNames = [];\n};\n\nRegExpValidationState.prototype.reset = function reset (start, pattern, flags) {\n var unicode = flags.indexOf(\"u\") !== -1;\n this.start = start | 0;\n this.source = pattern + \"\";\n this.flags = flags;\n this.switchU = unicode && this.parser.options.ecmaVersion >= 6;\n this.switchN = unicode && this.parser.options.ecmaVersion >= 9;\n};\n\nRegExpValidationState.prototype.raise = function raise (message) {\n this.parser.raiseRecoverable(this.start, (\"Invalid regular expression: /\" + (this.source) + \"/: \" + message));\n};\n\n// If u flag is given, this returns the code point at the index (it combines a surrogate pair).\n// Otherwise, this returns the code unit of the index (can be a part of a surrogate pair).\nRegExpValidationState.prototype.at = function at (i) {\n var s = this.source;\n var l = s.length;\n if (i >= l) {\n return -1\n }\n var c = s.charCodeAt(i);\n if (!this.switchU || c <= 0xD7FF || c >= 0xE000 || i + 1 >= l) {\n return c\n }\n return (c << 10) + s.charCodeAt(i + 1) - 0x35FDC00\n};\n\nRegExpValidationState.prototype.nextIndex = function nextIndex (i) {\n var s = this.source;\n var l = s.length;\n if (i >= l) {\n return l\n }\n var c = s.charCodeAt(i);\n if (!this.switchU || c <= 0xD7FF || c >= 0xE000 || i + 1 >= l) {\n return i + 1\n }\n return i + 2\n};\n\nRegExpValidationState.prototype.current = function current () {\n return this.at(this.pos)\n};\n\nRegExpValidationState.prototype.lookahead = function lookahead () {\n return this.at(this.nextIndex(this.pos))\n};\n\nRegExpValidationState.prototype.advance = function advance () {\n this.pos = this.nextIndex(this.pos);\n};\n\nRegExpValidationState.prototype.eat = function eat (ch) {\n if (this.current() === ch) {\n this.advance();\n return true\n }\n return false\n};\n\nfunction codePointToString$1(ch) {\n if (ch <= 0xFFFF) { return String.fromCharCode(ch) }\n ch -= 0x10000;\n return String.fromCharCode((ch >> 10) + 0xD800, (ch & 0x03FF) + 0xDC00)\n}\n\n/**\n * Validate the flags part of a given RegExpLiteral.\n *\n * @param {RegExpValidationState} state The state to validate RegExp.\n * @returns {void}\n */\npp$9.validateRegExpFlags = function(state) {\n var this$1 = this;\n\n var validFlags = state.validFlags;\n var flags = state.flags;\n\n for (var i = 0; i < flags.length; i++) {\n var flag = flags.charAt(i);\n if (validFlags.indexOf(flag) === -1) {\n this$1.raise(state.start, \"Invalid regular expression flag\");\n }\n if (flags.indexOf(flag, i + 1) > -1) {\n this$1.raise(state.start, \"Duplicate regular expression flag\");\n }\n }\n};\n\n/**\n * Validate the pattern part of a given RegExpLiteral.\n *\n * @param {RegExpValidationState} state The state to validate RegExp.\n * @returns {void}\n */\npp$9.validateRegExpPattern = function(state) {\n this.regexp_pattern(state);\n\n // The goal symbol for the parse is |Pattern[~U, ~N]|. If the result of\n // parsing contains a |GroupName|, reparse with the goal symbol\n // |Pattern[~U, +N]| and use this result instead. Throw a *SyntaxError*\n // exception if _P_ did not conform to the grammar, if any elements of _P_\n // were not matched by the parse, or if any Early Error conditions exist.\n if (!state.switchN && this.options.ecmaVersion >= 9 && state.groupNames.length > 0) {\n state.switchN = true;\n this.regexp_pattern(state);\n }\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-Pattern\npp$9.regexp_pattern = function(state) {\n state.pos = 0;\n state.lastIntValue = 0;\n state.lastStringValue = \"\";\n state.lastAssertionIsQuantifiable = false;\n state.numCapturingParens = 0;\n state.maxBackReference = 0;\n state.groupNames.length = 0;\n state.backReferenceNames.length = 0;\n\n this.regexp_disjunction(state);\n\n if (state.pos !== state.source.length) {\n // Make the same messages as V8.\n if (state.eat(0x29 /* ) */)) {\n state.raise(\"Unmatched ')'\");\n }\n if (state.eat(0x5D /* [ */) || state.eat(0x7D /* } */)) {\n state.raise(\"Lone quantifier brackets\");\n }\n }\n if (state.maxBackReference > state.numCapturingParens) {\n state.raise(\"Invalid escape\");\n }\n for (var i = 0, list = state.backReferenceNames; i < list.length; i += 1) {\n var name = list[i];\n\n if (state.groupNames.indexOf(name) === -1) {\n state.raise(\"Invalid named capture referenced\");\n }\n }\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-Disjunction\npp$9.regexp_disjunction = function(state) {\n var this$1 = this;\n\n this.regexp_alternative(state);\n while (state.eat(0x7C /* | */)) {\n this$1.regexp_alternative(state);\n }\n\n // Make the same message as V8.\n if (this.regexp_eatQuantifier(state, true)) {\n state.raise(\"Nothing to repeat\");\n }\n if (state.eat(0x7B /* { */)) {\n state.raise(\"Lone quantifier brackets\");\n }\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-Alternative\npp$9.regexp_alternative = function(state) {\n while (state.pos < state.source.length && this.regexp_eatTerm(state))\n { }\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-Term\npp$9.regexp_eatTerm = function(state) {\n if (this.regexp_eatAssertion(state)) {\n // Handle `QuantifiableAssertion Quantifier` alternative.\n // `state.lastAssertionIsQuantifiable` is true if the last eaten Assertion\n // is a QuantifiableAssertion.\n if (state.lastAssertionIsQuantifiable && this.regexp_eatQuantifier(state)) {\n // Make the same message as V8.\n if (state.switchU) {\n state.raise(\"Invalid quantifier\");\n }\n }\n return true\n }\n\n if (state.switchU ? this.regexp_eatAtom(state) : this.regexp_eatExtendedAtom(state)) {\n this.regexp_eatQuantifier(state);\n return true\n }\n\n return false\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-Assertion\npp$9.regexp_eatAssertion = function(state) {\n var start = state.pos;\n state.lastAssertionIsQuantifiable = false;\n\n // ^, $\n if (state.eat(0x5E /* ^ */) || state.eat(0x24 /* $ */)) {\n return true\n }\n\n // \\b \\B\n if (state.eat(0x5C /* \\ */)) {\n if (state.eat(0x42 /* B */) || state.eat(0x62 /* b */)) {\n return true\n }\n state.pos = start;\n }\n\n // Lookahead / Lookbehind\n if (state.eat(0x28 /* ( */) && state.eat(0x3F /* ? */)) {\n var lookbehind = false;\n if (this.options.ecmaVersion >= 9) {\n lookbehind = state.eat(0x3C /* < */);\n }\n if (state.eat(0x3D /* = */) || state.eat(0x21 /* ! */)) {\n this.regexp_disjunction(state);\n if (!state.eat(0x29 /* ) */)) {\n state.raise(\"Unterminated group\");\n }\n state.lastAssertionIsQuantifiable = !lookbehind;\n return true\n }\n }\n\n state.pos = start;\n return false\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-Quantifier\npp$9.regexp_eatQuantifier = function(state, noError) {\n if ( noError === void 0 ) noError = false;\n\n if (this.regexp_eatQuantifierPrefix(state, noError)) {\n state.eat(0x3F /* ? */);\n return true\n }\n return false\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-QuantifierPrefix\npp$9.regexp_eatQuantifierPrefix = function(state, noError) {\n return (\n state.eat(0x2A /* * */) ||\n state.eat(0x2B /* + */) ||\n state.eat(0x3F /* ? */) ||\n this.regexp_eatBracedQuantifier(state, noError)\n )\n};\npp$9.regexp_eatBracedQuantifier = function(state, noError) {\n var start = state.pos;\n if (state.eat(0x7B /* { */)) {\n var min = 0, max = -1;\n if (this.regexp_eatDecimalDigits(state)) {\n min = state.lastIntValue;\n if (state.eat(0x2C /* , */) && this.regexp_eatDecimalDigits(state)) {\n max = state.lastIntValue;\n }\n if (state.eat(0x7D /* } */)) {\n // SyntaxError in https://www.ecma-international.org/ecma-262/8.0/#sec-term\n if (max !== -1 && max < min && !noError) {\n state.raise(\"numbers out of order in {} quantifier\");\n }\n return true\n }\n }\n if (state.switchU && !noError) {\n state.raise(\"Incomplete quantifier\");\n }\n state.pos = start;\n }\n return false\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-Atom\npp$9.regexp_eatAtom = function(state) {\n return (\n this.regexp_eatPatternCharacters(state) ||\n state.eat(0x2E /* . */) ||\n this.regexp_eatReverseSolidusAtomEscape(state) ||\n this.regexp_eatCharacterClass(state) ||\n this.regexp_eatUncapturingGroup(state) ||\n this.regexp_eatCapturingGroup(state)\n )\n};\npp$9.regexp_eatReverseSolidusAtomEscape = function(state) {\n var start = state.pos;\n if (state.eat(0x5C /* \\ */)) {\n if (this.regexp_eatAtomEscape(state)) {\n return true\n }\n state.pos = start;\n }\n return false\n};\npp$9.regexp_eatUncapturingGroup = function(state) {\n var start = state.pos;\n if (state.eat(0x28 /* ( */)) {\n if (state.eat(0x3F /* ? */) && state.eat(0x3A /* : */)) {\n this.regexp_disjunction(state);\n if (state.eat(0x29 /* ) */)) {\n return true\n }\n state.raise(\"Unterminated group\");\n }\n state.pos = start;\n }\n return false\n};\npp$9.regexp_eatCapturingGroup = function(state) {\n if (state.eat(0x28 /* ( */)) {\n if (this.options.ecmaVersion >= 9) {\n this.regexp_groupSpecifier(state);\n } else if (state.current() === 0x3F /* ? */) {\n state.raise(\"Invalid group\");\n }\n this.regexp_disjunction(state);\n if (state.eat(0x29 /* ) */)) {\n state.numCapturingParens += 1;\n return true\n }\n state.raise(\"Unterminated group\");\n }\n return false\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ExtendedAtom\npp$9.regexp_eatExtendedAtom = function(state) {\n return (\n state.eat(0x2E /* . */) ||\n this.regexp_eatReverseSolidusAtomEscape(state) ||\n this.regexp_eatCharacterClass(state) ||\n this.regexp_eatUncapturingGroup(state) ||\n this.regexp_eatCapturingGroup(state) ||\n this.regexp_eatInvalidBracedQuantifier(state) ||\n this.regexp_eatExtendedPatternCharacter(state)\n )\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-InvalidBracedQuantifier\npp$9.regexp_eatInvalidBracedQuantifier = function(state) {\n if (this.regexp_eatBracedQuantifier(state, true)) {\n state.raise(\"Nothing to repeat\");\n }\n return false\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-SyntaxCharacter\npp$9.regexp_eatSyntaxCharacter = function(state) {\n var ch = state.current();\n if (isSyntaxCharacter(ch)) {\n state.lastIntValue = ch;\n state.advance();\n return true\n }\n return false\n};\nfunction isSyntaxCharacter(ch) {\n return (\n ch === 0x24 /* $ */ ||\n ch >= 0x28 /* ( */ && ch <= 0x2B /* + */ ||\n ch === 0x2E /* . */ ||\n ch === 0x3F /* ? */ ||\n ch >= 0x5B /* [ */ && ch <= 0x5E /* ^ */ ||\n ch >= 0x7B /* { */ && ch <= 0x7D /* } */\n )\n}\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-PatternCharacter\n// But eat eager.\npp$9.regexp_eatPatternCharacters = function(state) {\n var start = state.pos;\n var ch = 0;\n while ((ch = state.current()) !== -1 && !isSyntaxCharacter(ch)) {\n state.advance();\n }\n return state.pos !== start\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ExtendedPatternCharacter\npp$9.regexp_eatExtendedPatternCharacter = function(state) {\n var ch = state.current();\n if (\n ch !== -1 &&\n ch !== 0x24 /* $ */ &&\n !(ch >= 0x28 /* ( */ && ch <= 0x2B /* + */) &&\n ch !== 0x2E /* . */ &&\n ch !== 0x3F /* ? */ &&\n ch !== 0x5B /* [ */ &&\n ch !== 0x5E /* ^ */ &&\n ch !== 0x7C /* | */\n ) {\n state.advance();\n return true\n }\n return false\n};\n\n// GroupSpecifier[U] ::\n// [empty]\n// `?` GroupName[?U]\npp$9.regexp_groupSpecifier = function(state) {\n if (state.eat(0x3F /* ? */)) {\n if (this.regexp_eatGroupName(state)) {\n if (state.groupNames.indexOf(state.lastStringValue) !== -1) {\n state.raise(\"Duplicate capture group name\");\n }\n state.groupNames.push(state.lastStringValue);\n return\n }\n state.raise(\"Invalid group\");\n }\n};\n\n// GroupName[U] ::\n// `<` RegExpIdentifierName[?U] `>`\n// Note: this updates `state.lastStringValue` property with the eaten name.\npp$9.regexp_eatGroupName = function(state) {\n state.lastStringValue = \"\";\n if (state.eat(0x3C /* < */)) {\n if (this.regexp_eatRegExpIdentifierName(state) && state.eat(0x3E /* > */)) {\n return true\n }\n state.raise(\"Invalid capture group name\");\n }\n return false\n};\n\n// RegExpIdentifierName[U] ::\n// RegExpIdentifierStart[?U]\n// RegExpIdentifierName[?U] RegExpIdentifierPart[?U]\n// Note: this updates `state.lastStringValue` property with the eaten name.\npp$9.regexp_eatRegExpIdentifierName = function(state) {\n state.lastStringValue = \"\";\n if (this.regexp_eatRegExpIdentifierStart(state)) {\n state.lastStringValue += codePointToString$1(state.lastIntValue);\n while (this.regexp_eatRegExpIdentifierPart(state)) {\n state.lastStringValue += codePointToString$1(state.lastIntValue);\n }\n return true\n }\n return false\n};\n\n// RegExpIdentifierStart[U] ::\n// UnicodeIDStart\n// `$`\n// `_`\n// `\\` RegExpUnicodeEscapeSequence[?U]\npp$9.regexp_eatRegExpIdentifierStart = function(state) {\n var start = state.pos;\n var ch = state.current();\n state.advance();\n\n if (ch === 0x5C /* \\ */ && this.regexp_eatRegExpUnicodeEscapeSequence(state)) {\n ch = state.lastIntValue;\n }\n if (isRegExpIdentifierStart(ch)) {\n state.lastIntValue = ch;\n return true\n }\n\n state.pos = start;\n return false\n};\nfunction isRegExpIdentifierStart(ch) {\n return isIdentifierStart(ch, true) || ch === 0x24 /* $ */ || ch === 0x5F /* _ */\n}\n\n// RegExpIdentifierPart[U] ::\n// UnicodeIDContinue\n// `$`\n// `_`\n// `\\` RegExpUnicodeEscapeSequence[?U]\n// \n// \npp$9.regexp_eatRegExpIdentifierPart = function(state) {\n var start = state.pos;\n var ch = state.current();\n state.advance();\n\n if (ch === 0x5C /* \\ */ && this.regexp_eatRegExpUnicodeEscapeSequence(state)) {\n ch = state.lastIntValue;\n }\n if (isRegExpIdentifierPart(ch)) {\n state.lastIntValue = ch;\n return true\n }\n\n state.pos = start;\n return false\n};\nfunction isRegExpIdentifierPart(ch) {\n return isIdentifierChar(ch, true) || ch === 0x24 /* $ */ || ch === 0x5F /* _ */ || ch === 0x200C /* */ || ch === 0x200D /* */\n}\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-AtomEscape\npp$9.regexp_eatAtomEscape = function(state) {\n if (\n this.regexp_eatBackReference(state) ||\n this.regexp_eatCharacterClassEscape(state) ||\n this.regexp_eatCharacterEscape(state) ||\n (state.switchN && this.regexp_eatKGroupName(state))\n ) {\n return true\n }\n if (state.switchU) {\n // Make the same message as V8.\n if (state.current() === 0x63 /* c */) {\n state.raise(\"Invalid unicode escape\");\n }\n state.raise(\"Invalid escape\");\n }\n return false\n};\npp$9.regexp_eatBackReference = function(state) {\n var start = state.pos;\n if (this.regexp_eatDecimalEscape(state)) {\n var n = state.lastIntValue;\n if (state.switchU) {\n // For SyntaxError in https://www.ecma-international.org/ecma-262/8.0/#sec-atomescape\n if (n > state.maxBackReference) {\n state.maxBackReference = n;\n }\n return true\n }\n if (n <= state.numCapturingParens) {\n return true\n }\n state.pos = start;\n }\n return false\n};\npp$9.regexp_eatKGroupName = function(state) {\n if (state.eat(0x6B /* k */)) {\n if (this.regexp_eatGroupName(state)) {\n state.backReferenceNames.push(state.lastStringValue);\n return true\n }\n state.raise(\"Invalid named reference\");\n }\n return false\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-CharacterEscape\npp$9.regexp_eatCharacterEscape = function(state) {\n return (\n this.regexp_eatControlEscape(state) ||\n this.regexp_eatCControlLetter(state) ||\n this.regexp_eatZero(state) ||\n this.regexp_eatHexEscapeSequence(state) ||\n this.regexp_eatRegExpUnicodeEscapeSequence(state) ||\n (!state.switchU && this.regexp_eatLegacyOctalEscapeSequence(state)) ||\n this.regexp_eatIdentityEscape(state)\n )\n};\npp$9.regexp_eatCControlLetter = function(state) {\n var start = state.pos;\n if (state.eat(0x63 /* c */)) {\n if (this.regexp_eatControlLetter(state)) {\n return true\n }\n state.pos = start;\n }\n return false\n};\npp$9.regexp_eatZero = function(state) {\n if (state.current() === 0x30 /* 0 */ && !isDecimalDigit(state.lookahead())) {\n state.lastIntValue = 0;\n state.advance();\n return true\n }\n return false\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-ControlEscape\npp$9.regexp_eatControlEscape = function(state) {\n var ch = state.current();\n if (ch === 0x74 /* t */) {\n state.lastIntValue = 0x09; /* \\t */\n state.advance();\n return true\n }\n if (ch === 0x6E /* n */) {\n state.lastIntValue = 0x0A; /* \\n */\n state.advance();\n return true\n }\n if (ch === 0x76 /* v */) {\n state.lastIntValue = 0x0B; /* \\v */\n state.advance();\n return true\n }\n if (ch === 0x66 /* f */) {\n state.lastIntValue = 0x0C; /* \\f */\n state.advance();\n return true\n }\n if (ch === 0x72 /* r */) {\n state.lastIntValue = 0x0D; /* \\r */\n state.advance();\n return true\n }\n return false\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-ControlLetter\npp$9.regexp_eatControlLetter = function(state) {\n var ch = state.current();\n if (isControlLetter(ch)) {\n state.lastIntValue = ch % 0x20;\n state.advance();\n return true\n }\n return false\n};\nfunction isControlLetter(ch) {\n return (\n (ch >= 0x41 /* A */ && ch <= 0x5A /* Z */) ||\n (ch >= 0x61 /* a */ && ch <= 0x7A /* z */)\n )\n}\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-RegExpUnicodeEscapeSequence\npp$9.regexp_eatRegExpUnicodeEscapeSequence = function(state) {\n var start = state.pos;\n\n if (state.eat(0x75 /* u */)) {\n if (this.regexp_eatFixedHexDigits(state, 4)) {\n var lead = state.lastIntValue;\n if (state.switchU && lead >= 0xD800 && lead <= 0xDBFF) {\n var leadSurrogateEnd = state.pos;\n if (state.eat(0x5C /* \\ */) && state.eat(0x75 /* u */) && this.regexp_eatFixedHexDigits(state, 4)) {\n var trail = state.lastIntValue;\n if (trail >= 0xDC00 && trail <= 0xDFFF) {\n state.lastIntValue = (lead - 0xD800) * 0x400 + (trail - 0xDC00) + 0x10000;\n return true\n }\n }\n state.pos = leadSurrogateEnd;\n state.lastIntValue = lead;\n }\n return true\n }\n if (\n state.switchU &&\n state.eat(0x7B /* { */) &&\n this.regexp_eatHexDigits(state) &&\n state.eat(0x7D /* } */) &&\n isValidUnicode(state.lastIntValue)\n ) {\n return true\n }\n if (state.switchU) {\n state.raise(\"Invalid unicode escape\");\n }\n state.pos = start;\n }\n\n return false\n};\nfunction isValidUnicode(ch) {\n return ch >= 0 && ch <= 0x10FFFF\n}\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-IdentityEscape\npp$9.regexp_eatIdentityEscape = function(state) {\n if (state.switchU) {\n if (this.regexp_eatSyntaxCharacter(state)) {\n return true\n }\n if (state.eat(0x2F /* / */)) {\n state.lastIntValue = 0x2F; /* / */\n return true\n }\n return false\n }\n\n var ch = state.current();\n if (ch !== 0x63 /* c */ && (!state.switchN || ch !== 0x6B /* k */)) {\n state.lastIntValue = ch;\n state.advance();\n return true\n }\n\n return false\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-DecimalEscape\npp$9.regexp_eatDecimalEscape = function(state) {\n state.lastIntValue = 0;\n var ch = state.current();\n if (ch >= 0x31 /* 1 */ && ch <= 0x39 /* 9 */) {\n do {\n state.lastIntValue = 10 * state.lastIntValue + (ch - 0x30 /* 0 */);\n state.advance();\n } while ((ch = state.current()) >= 0x30 /* 0 */ && ch <= 0x39 /* 9 */)\n return true\n }\n return false\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClassEscape\npp$9.regexp_eatCharacterClassEscape = function(state) {\n var ch = state.current();\n\n if (isCharacterClassEscape(ch)) {\n state.lastIntValue = -1;\n state.advance();\n return true\n }\n\n if (\n state.switchU &&\n this.options.ecmaVersion >= 9 &&\n (ch === 0x50 /* P */ || ch === 0x70 /* p */)\n ) {\n state.lastIntValue = -1;\n state.advance();\n if (\n state.eat(0x7B /* { */) &&\n this.regexp_eatUnicodePropertyValueExpression(state) &&\n state.eat(0x7D /* } */)\n ) {\n return true\n }\n state.raise(\"Invalid property name\");\n }\n\n return false\n};\nfunction isCharacterClassEscape(ch) {\n return (\n ch === 0x64 /* d */ ||\n ch === 0x44 /* D */ ||\n ch === 0x73 /* s */ ||\n ch === 0x53 /* S */ ||\n ch === 0x77 /* w */ ||\n ch === 0x57 /* W */\n )\n}\n\n// UnicodePropertyValueExpression ::\n// UnicodePropertyName `=` UnicodePropertyValue\n// LoneUnicodePropertyNameOrValue\npp$9.regexp_eatUnicodePropertyValueExpression = function(state) {\n var start = state.pos;\n\n // UnicodePropertyName `=` UnicodePropertyValue\n if (this.regexp_eatUnicodePropertyName(state) && state.eat(0x3D /* = */)) {\n var name = state.lastStringValue;\n if (this.regexp_eatUnicodePropertyValue(state)) {\n var value = state.lastStringValue;\n this.regexp_validateUnicodePropertyNameAndValue(state, name, value);\n return true\n }\n }\n state.pos = start;\n\n // LoneUnicodePropertyNameOrValue\n if (this.regexp_eatLoneUnicodePropertyNameOrValue(state)) {\n var nameOrValue = state.lastStringValue;\n this.regexp_validateUnicodePropertyNameOrValue(state, nameOrValue);\n return true\n }\n return false\n};\npp$9.regexp_validateUnicodePropertyNameAndValue = function(state, name, value) {\n if (!data.hasOwnProperty(name) || data[name].indexOf(value) === -1) {\n state.raise(\"Invalid property name\");\n }\n};\npp$9.regexp_validateUnicodePropertyNameOrValue = function(state, nameOrValue) {\n if (data.$LONE.indexOf(nameOrValue) === -1) {\n state.raise(\"Invalid property name\");\n }\n};\n\n// UnicodePropertyName ::\n// UnicodePropertyNameCharacters\npp$9.regexp_eatUnicodePropertyName = function(state) {\n var ch = 0;\n state.lastStringValue = \"\";\n while (isUnicodePropertyNameCharacter(ch = state.current())) {\n state.lastStringValue += codePointToString$1(ch);\n state.advance();\n }\n return state.lastStringValue !== \"\"\n};\nfunction isUnicodePropertyNameCharacter(ch) {\n return isControlLetter(ch) || ch === 0x5F /* _ */\n}\n\n// UnicodePropertyValue ::\n// UnicodePropertyValueCharacters\npp$9.regexp_eatUnicodePropertyValue = function(state) {\n var ch = 0;\n state.lastStringValue = \"\";\n while (isUnicodePropertyValueCharacter(ch = state.current())) {\n state.lastStringValue += codePointToString$1(ch);\n state.advance();\n }\n return state.lastStringValue !== \"\"\n};\nfunction isUnicodePropertyValueCharacter(ch) {\n return isUnicodePropertyNameCharacter(ch) || isDecimalDigit(ch)\n}\n\n// LoneUnicodePropertyNameOrValue ::\n// UnicodePropertyValueCharacters\npp$9.regexp_eatLoneUnicodePropertyNameOrValue = function(state) {\n return this.regexp_eatUnicodePropertyValue(state)\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClass\npp$9.regexp_eatCharacterClass = function(state) {\n if (state.eat(0x5B /* [ */)) {\n state.eat(0x5E /* ^ */);\n this.regexp_classRanges(state);\n if (state.eat(0x5D /* [ */)) {\n return true\n }\n // Unreachable since it threw \"unterminated regular expression\" error before.\n state.raise(\"Unterminated character class\");\n }\n return false\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-ClassRanges\n// https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRanges\n// https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRangesNoDash\npp$9.regexp_classRanges = function(state) {\n var this$1 = this;\n\n while (this.regexp_eatClassAtom(state)) {\n var left = state.lastIntValue;\n if (state.eat(0x2D /* - */) && this$1.regexp_eatClassAtom(state)) {\n var right = state.lastIntValue;\n if (state.switchU && (left === -1 || right === -1)) {\n state.raise(\"Invalid character class\");\n }\n if (left !== -1 && right !== -1 && left > right) {\n state.raise(\"Range out of order in character class\");\n }\n }\n }\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-ClassAtom\n// https://www.ecma-international.org/ecma-262/8.0/#prod-ClassAtomNoDash\npp$9.regexp_eatClassAtom = function(state) {\n var start = state.pos;\n\n if (state.eat(0x5C /* \\ */)) {\n if (this.regexp_eatClassEscape(state)) {\n return true\n }\n if (state.switchU) {\n // Make the same message as V8.\n var ch$1 = state.current();\n if (ch$1 === 0x63 /* c */ || isOctalDigit(ch$1)) {\n state.raise(\"Invalid class escape\");\n }\n state.raise(\"Invalid escape\");\n }\n state.pos = start;\n }\n\n var ch = state.current();\n if (ch !== 0x5D /* [ */) {\n state.lastIntValue = ch;\n state.advance();\n return true\n }\n\n return false\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ClassEscape\npp$9.regexp_eatClassEscape = function(state) {\n var start = state.pos;\n\n if (state.eat(0x62 /* b */)) {\n state.lastIntValue = 0x08; /* */\n return true\n }\n\n if (state.switchU && state.eat(0x2D /* - */)) {\n state.lastIntValue = 0x2D; /* - */\n return true\n }\n\n if (!state.switchU && state.eat(0x63 /* c */)) {\n if (this.regexp_eatClassControlLetter(state)) {\n return true\n }\n state.pos = start;\n }\n\n return (\n this.regexp_eatCharacterClassEscape(state) ||\n this.regexp_eatCharacterEscape(state)\n )\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ClassControlLetter\npp$9.regexp_eatClassControlLetter = function(state) {\n var ch = state.current();\n if (isDecimalDigit(ch) || ch === 0x5F /* _ */) {\n state.lastIntValue = ch % 0x20;\n state.advance();\n return true\n }\n return false\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-HexEscapeSequence\npp$9.regexp_eatHexEscapeSequence = function(state) {\n var start = state.pos;\n if (state.eat(0x78 /* x */)) {\n if (this.regexp_eatFixedHexDigits(state, 2)) {\n return true\n }\n if (state.switchU) {\n state.raise(\"Invalid escape\");\n }\n state.pos = start;\n }\n return false\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-DecimalDigits\npp$9.regexp_eatDecimalDigits = function(state) {\n var start = state.pos;\n var ch = 0;\n state.lastIntValue = 0;\n while (isDecimalDigit(ch = state.current())) {\n state.lastIntValue = 10 * state.lastIntValue + (ch - 0x30 /* 0 */);\n state.advance();\n }\n return state.pos !== start\n};\nfunction isDecimalDigit(ch) {\n return ch >= 0x30 /* 0 */ && ch <= 0x39 /* 9 */\n}\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-HexDigits\npp$9.regexp_eatHexDigits = function(state) {\n var start = state.pos;\n var ch = 0;\n state.lastIntValue = 0;\n while (isHexDigit(ch = state.current())) {\n state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch);\n state.advance();\n }\n return state.pos !== start\n};\nfunction isHexDigit(ch) {\n return (\n (ch >= 0x30 /* 0 */ && ch <= 0x39 /* 9 */) ||\n (ch >= 0x41 /* A */ && ch <= 0x46 /* F */) ||\n (ch >= 0x61 /* a */ && ch <= 0x66 /* f */)\n )\n}\nfunction hexToInt(ch) {\n if (ch >= 0x41 /* A */ && ch <= 0x46 /* F */) {\n return 10 + (ch - 0x41 /* A */)\n }\n if (ch >= 0x61 /* a */ && ch <= 0x66 /* f */) {\n return 10 + (ch - 0x61 /* a */)\n }\n return ch - 0x30 /* 0 */\n}\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-LegacyOctalEscapeSequence\n// Allows only 0-377(octal) i.e. 0-255(decimal).\npp$9.regexp_eatLegacyOctalEscapeSequence = function(state) {\n if (this.regexp_eatOctalDigit(state)) {\n var n1 = state.lastIntValue;\n if (this.regexp_eatOctalDigit(state)) {\n var n2 = state.lastIntValue;\n if (n1 <= 3 && this.regexp_eatOctalDigit(state)) {\n state.lastIntValue = n1 * 64 + n2 * 8 + state.lastIntValue;\n } else {\n state.lastIntValue = n1 * 8 + n2;\n }\n } else {\n state.lastIntValue = n1;\n }\n return true\n }\n return false\n};\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-OctalDigit\npp$9.regexp_eatOctalDigit = function(state) {\n var ch = state.current();\n if (isOctalDigit(ch)) {\n state.lastIntValue = ch - 0x30; /* 0 */\n state.advance();\n return true\n }\n state.lastIntValue = 0;\n return false\n};\nfunction isOctalDigit(ch) {\n return ch >= 0x30 /* 0 */ && ch <= 0x37 /* 7 */\n}\n\n// https://www.ecma-international.org/ecma-262/8.0/#prod-Hex4Digits\n// https://www.ecma-international.org/ecma-262/8.0/#prod-HexDigit\n// And HexDigit HexDigit in https://www.ecma-international.org/ecma-262/8.0/#prod-HexEscapeSequence\npp$9.regexp_eatFixedHexDigits = function(state, length) {\n var start = state.pos;\n state.lastIntValue = 0;\n for (var i = 0; i < length; ++i) {\n var ch = state.current();\n if (!isHexDigit(ch)) {\n state.pos = start;\n return false\n }\n state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch);\n state.advance();\n }\n return true\n};\n\n// Object type used to represent tokens. Note that normally, tokens\n// simply exist as properties on the parser object. This is only\n// used for the onToken callback and the external tokenizer.\n\nvar Token = function Token(p) {\n this.type = p.type;\n this.value = p.value;\n this.start = p.start;\n this.end = p.end;\n if (p.options.locations)\n { this.loc = new SourceLocation(p, p.startLoc, p.endLoc); }\n if (p.options.ranges)\n { this.range = [p.start, p.end]; }\n};\n\n// ## Tokenizer\n\nvar pp$8 = Parser.prototype;\n\n// Move to the next token\n\npp$8.next = function() {\n if (this.options.onToken)\n { this.options.onToken(new Token(this)); }\n\n this.lastTokEnd = this.end;\n this.lastTokStart = this.start;\n this.lastTokEndLoc = this.endLoc;\n this.lastTokStartLoc = this.startLoc;\n this.nextToken();\n};\n\npp$8.getToken = function() {\n this.next();\n return new Token(this)\n};\n\n// If we're in an ES6 environment, make parsers iterable\nif (typeof Symbol !== \"undefined\")\n { pp$8[Symbol.iterator] = function() {\n var this$1 = this;\n\n return {\n next: function () {\n var token = this$1.getToken();\n return {\n done: token.type === types.eof,\n value: token\n }\n }\n }\n }; }\n\n// Toggle strict mode. Re-reads the next number or string to please\n// pedantic tests (`\"use strict\"; 010;` should fail).\n\npp$8.curContext = function() {\n return this.context[this.context.length - 1]\n};\n\n// Read a single token, updating the parser object's token-related\n// properties.\n\npp$8.nextToken = function() {\n var curContext = this.curContext();\n if (!curContext || !curContext.preserveSpace) { this.skipSpace(); }\n\n this.start = this.pos;\n if (this.options.locations) { this.startLoc = this.curPosition(); }\n if (this.pos >= this.input.length) { return this.finishToken(types.eof) }\n\n if (curContext.override) { return curContext.override(this) }\n else { this.readToken(this.fullCharCodeAtPos()); }\n};\n\npp$8.readToken = function(code) {\n // Identifier or keyword. '\\uXXXX' sequences are allowed in\n // identifiers, so '\\' also dispatches to that.\n if (isIdentifierStart(code, this.options.ecmaVersion >= 6) || code === 92 /* '\\' */)\n { return this.readWord() }\n\n return this.getTokenFromCode(code)\n};\n\npp$8.fullCharCodeAtPos = function() {\n var code = this.input.charCodeAt(this.pos);\n if (code <= 0xd7ff || code >= 0xe000) { return code }\n var next = this.input.charCodeAt(this.pos + 1);\n return (code << 10) + next - 0x35fdc00\n};\n\npp$8.skipBlockComment = function() {\n var this$1 = this;\n\n var startLoc = this.options.onComment && this.curPosition();\n var start = this.pos, end = this.input.indexOf(\"*/\", this.pos += 2);\n if (end === -1) { this.raise(this.pos - 2, \"Unterminated comment\"); }\n this.pos = end + 2;\n if (this.options.locations) {\n lineBreakG.lastIndex = start;\n var match;\n while ((match = lineBreakG.exec(this.input)) && match.index < this.pos) {\n ++this$1.curLine;\n this$1.lineStart = match.index + match[0].length;\n }\n }\n if (this.options.onComment)\n { this.options.onComment(true, this.input.slice(start + 2, end), start, this.pos,\n startLoc, this.curPosition()); }\n};\n\npp$8.skipLineComment = function(startSkip) {\n var this$1 = this;\n\n var start = this.pos;\n var startLoc = this.options.onComment && this.curPosition();\n var ch = this.input.charCodeAt(this.pos += startSkip);\n while (this.pos < this.input.length && !isNewLine(ch)) {\n ch = this$1.input.charCodeAt(++this$1.pos);\n }\n if (this.options.onComment)\n { this.options.onComment(false, this.input.slice(start + startSkip, this.pos), start, this.pos,\n startLoc, this.curPosition()); }\n};\n\n// Called at the start of the parse and after every token. Skips\n// whitespace and comments, and.\n\npp$8.skipSpace = function() {\n var this$1 = this;\n\n loop: while (this.pos < this.input.length) {\n var ch = this$1.input.charCodeAt(this$1.pos);\n switch (ch) {\n case 32: case 160: // ' '\n ++this$1.pos;\n break\n case 13:\n if (this$1.input.charCodeAt(this$1.pos + 1) === 10) {\n ++this$1.pos;\n }\n case 10: case 8232: case 8233:\n ++this$1.pos;\n if (this$1.options.locations) {\n ++this$1.curLine;\n this$1.lineStart = this$1.pos;\n }\n break\n case 47: // '/'\n switch (this$1.input.charCodeAt(this$1.pos + 1)) {\n case 42: // '*'\n this$1.skipBlockComment();\n break\n case 47:\n this$1.skipLineComment(2);\n break\n default:\n break loop\n }\n break\n default:\n if (ch > 8 && ch < 14 || ch >= 5760 && nonASCIIwhitespace.test(String.fromCharCode(ch))) {\n ++this$1.pos;\n } else {\n break loop\n }\n }\n }\n};\n\n// Called at the end of every token. Sets `end`, `val`, and\n// maintains `context` and `exprAllowed`, and skips the space after\n// the token, so that the next one's `start` will point at the\n// right position.\n\npp$8.finishToken = function(type, val) {\n this.end = this.pos;\n if (this.options.locations) { this.endLoc = this.curPosition(); }\n var prevType = this.type;\n this.type = type;\n this.value = val;\n\n this.updateContext(prevType);\n};\n\n// ### Token reading\n\n// This is the function that is called to fetch the next token. It\n// is somewhat obscure, because it works in character codes rather\n// than characters, and because operator parsing has been inlined\n// into it.\n//\n// All in the name of speed.\n//\npp$8.readToken_dot = function() {\n var next = this.input.charCodeAt(this.pos + 1);\n if (next >= 48 && next <= 57) { return this.readNumber(true) }\n var next2 = this.input.charCodeAt(this.pos + 2);\n if (this.options.ecmaVersion >= 6 && next === 46 && next2 === 46) { // 46 = dot '.'\n this.pos += 3;\n return this.finishToken(types.ellipsis)\n } else {\n ++this.pos;\n return this.finishToken(types.dot)\n }\n};\n\npp$8.readToken_slash = function() { // '/'\n var next = this.input.charCodeAt(this.pos + 1);\n if (this.exprAllowed) { ++this.pos; return this.readRegexp() }\n if (next === 61) { return this.finishOp(types.assign, 2) }\n return this.finishOp(types.slash, 1)\n};\n\npp$8.readToken_mult_modulo_exp = function(code) { // '%*'\n var next = this.input.charCodeAt(this.pos + 1);\n var size = 1;\n var tokentype = code === 42 ? types.star : types.modulo;\n\n // exponentiation operator ** and **=\n if (this.options.ecmaVersion >= 7 && code === 42 && next === 42) {\n ++size;\n tokentype = types.starstar;\n next = this.input.charCodeAt(this.pos + 2);\n }\n\n if (next === 61) { return this.finishOp(types.assign, size + 1) }\n return this.finishOp(tokentype, size)\n};\n\npp$8.readToken_pipe_amp = function(code) { // '|&'\n var next = this.input.charCodeAt(this.pos + 1);\n if (next === code) { return this.finishOp(code === 124 ? types.logicalOR : types.logicalAND, 2) }\n if (next === 61) { return this.finishOp(types.assign, 2) }\n return this.finishOp(code === 124 ? types.bitwiseOR : types.bitwiseAND, 1)\n};\n\npp$8.readToken_caret = function() { // '^'\n var next = this.input.charCodeAt(this.pos + 1);\n if (next === 61) { return this.finishOp(types.assign, 2) }\n return this.finishOp(types.bitwiseXOR, 1)\n};\n\npp$8.readToken_plus_min = function(code) { // '+-'\n var next = this.input.charCodeAt(this.pos + 1);\n if (next === code) {\n if (next === 45 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 62 &&\n (this.lastTokEnd === 0 || lineBreak.test(this.input.slice(this.lastTokEnd, this.pos)))) {\n // A `-->` line comment\n this.skipLineComment(3);\n this.skipSpace();\n return this.nextToken()\n }\n return this.finishOp(types.incDec, 2)\n }\n if (next === 61) { return this.finishOp(types.assign, 2) }\n return this.finishOp(types.plusMin, 1)\n};\n\npp$8.readToken_lt_gt = function(code) { // '<>'\n var next = this.input.charCodeAt(this.pos + 1);\n var size = 1;\n if (next === code) {\n size = code === 62 && this.input.charCodeAt(this.pos + 2) === 62 ? 3 : 2;\n if (this.input.charCodeAt(this.pos + size) === 61) { return this.finishOp(types.assign, size + 1) }\n return this.finishOp(types.bitShift, size)\n }\n if (next === 33 && code === 60 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 45 &&\n this.input.charCodeAt(this.pos + 3) === 45) {\n // `\n\tScript: \"script\", //