diff --git a/mcf-browser/asset-manifest.json b/mcf-browser/asset-manifest.json index 56476eff..862f32b6 100644 --- a/mcf-browser/asset-manifest.json +++ b/mcf-browser/asset-manifest.json @@ -1,13 +1,13 @@ { "files": { "main.css": "/tools/mcf-browser/static/css/main.99adb5c8.css", - "main.js": "/tools/mcf-browser/static/js/main.90bf540b.js", + "main.js": "/tools/mcf-browser/static/js/main.d9dac956.js", "index.html": "/tools/mcf-browser/index.html", "main.99adb5c8.css.map": "/tools/mcf-browser/static/css/main.99adb5c8.css.map", - "main.90bf540b.js.map": "/tools/mcf-browser/static/js/main.90bf540b.js.map" + "main.d9dac956.js.map": "/tools/mcf-browser/static/js/main.d9dac956.js.map" }, "entrypoints": [ "static/css/main.99adb5c8.css", - "static/js/main.90bf540b.js" + "static/js/main.d9dac956.js" ] } \ No newline at end of file diff --git a/mcf-browser/index.html b/mcf-browser/index.html index 76b4a9dd..3778c2fb 100644 --- a/mcf-browser/index.html +++ b/mcf-browser/index.html @@ -1 +1 @@ -MCF PreViewer
\ No newline at end of file +MCF PreViewer
\ No newline at end of file diff --git a/mcf-browser/src/TimelineExplorer.tsx b/mcf-browser/src/TimelineExplorer.tsx index 7e349eae..254ff0ca 100644 --- a/mcf-browser/src/TimelineExplorer.tsx +++ b/mcf-browser/src/TimelineExplorer.tsx @@ -239,23 +239,13 @@ class TimelineExplorer extends Component< } } - const labelPromises = locations.map((location) => { - return ((location.startsWith('dcid:') ? - getName(location.slice(5)) : - getName(location) - )); + const labels = await getName(locations); + return locations.map((location, i) => { + return { + value: location, + label: labels[i], + }; }); - - return Promise.all(labelPromises).then( - (labels) => { - return locations.map((location, i) => { - return { - value: location, - label: labels[i], - }; - }); - }, - ); } @@ -384,14 +374,19 @@ class TimelineExplorer extends Component< \n\n {/* search for id w/dropdown of suggestions of the subject nodes*/}\n this.setState({searchVal: event.target.value})}\n onKeyUp={(event) => {\n this.handleSearch(event);\n }}/>\n \n {this.props.subjIds.map((subjId) => \n \n );\n }\n}\n\nexport {Header};\n","/**\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport React, {Component} from 'react';\n\ninterface FileEntryPropType {\n /**\n * Passes a file list to be submitted to the back-end for parsing.\n */\n upload: Function;\n /**\n * Passes a list of urls to be retrieved, then passed to the back-end for\n * parsing.\n */\n loadFiles: Function;\n /**\n * Return to the home page/reset to current hash stored in App state.\n */\n goToHome: Function;\n /**\n * Sets whether the dropdown on the home page for additonal file entries\n * should be displayed.\n */\n toggle?: Function;\n}\n\ninterface FileEntryStateType{\n /**\n * Stores user's text entry in the first url entry box. This should be a url\n * to either a MCF or TMCF file.\n */\n mcfTmcfUrl: string;\n /**\n * Stores user's text entry in the second url entry box. This should be a url\n * to a CSV file.\n */\n csvUrl: string;\n}\n\n/** Component to display options user has for uploading files. */\nclass FileEntry extends Component {\n /** Constructor for class, sets initial state\n * @param {DisplayNodePropType} props the props passed in by parent component\n */\n constructor(props: FileEntryPropType) {\n super(props);\n this.state = {\n mcfTmcfUrl: '',\n csvUrl: '',\n };\n }\n\n /**\n * Submits the urls currently in the text input boxes to be retreived and\n * loaded when the enter key is preessed.\n *\n * @param {Event} event The keyUp event that triggers the function call.\n */\n async handleUrlKeyUp(event: React.KeyboardEvent) {\n if (event.keyCode === 13) {\n if (this.state.mcfTmcfUrl.split('.').pop() === 'mcf') {\n // set the base file hash with the given file names\n await this.props.loadFiles([this.state.mcfTmcfUrl]);\n this.setState({csvUrl: '', mcfTmcfUrl: ''});\n // trigger hash to be set to fileHash\n this.props.goToHome();\n if (this.props.toggle) {\n this.props.toggle();\n }\n } else if (this.state.mcfTmcfUrl.split('.').pop() === 'tmcf' &&\n (this.state.csvUrl.split('.').pop() === 'csv') ) {\n await this.props.loadFiles([this.state.mcfTmcfUrl, this.state.csvUrl]);\n this.setState({csvUrl: '', mcfTmcfUrl: ''});\n // trigger hash to be set to fileHash\n this.props.goToHome();\n if (this.props.toggle) {\n this.props.toggle();\n }\n }\n }\n }\n\n /**\n * Renders the component by building the JSX.\n *\n * @return {JSX.Element} the component using JSX code\n */\n render() : JSX.Element {\n return (\n
\n {/* Options to directly upload a file via file selector. */}\n
\n

Choose file(s) to upload:

\n\n {/* upload MCF file(s) */}\n \n\n {/* upload one pair of TMCF CSV files */}\n \n
\n\n
\n

-OR-

\n
\n\n {/* Options to specify url(s) to file(s). */}\n
\n

Enter URL(s):

\n
\n\n {/* TMCF/MCF url input */}\n \n\n {/* CSV url input */}\n \n
\n
\n
\n );\n }\n}\n\n\nexport {FileEntry};\n","/**\n * Copyright 2022 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport React, {Component} from 'react';\n\n// the number of pages to display from the start and end initially\n// 1, 2, ... NUM_PAGES_TO_DISPLAY\nconst NUM_PAGES_TO_DISPLAY = 3;\n\n interface PageBarPropType {\n /** Tracks which page the user is currently viewing (0-indexed) */\n page: number;\n\n /** Stores the maximum number of pages */\n maxPage: number;\n\n /** The function to go to the next page */\n onNextPageClicked: (page: number, maxPage: number) => void;\n\n /** The function to go to the previous page */\n onPrevPageClicked: (page: number) => void;\n\n /** The function to go to a certain page */\n onPageNumClicked: (page: number) => void;\n }\n\n/** Component for rendering the pagination bar */\nclass PageBar extends Component {\n /**\n * Returns the span to be used for a given page string\n * @param {string} pageString the string to display\n * @param {number} i the index of the page string\n * @return {JSX.Element} the span element in TSX code\n */\n renderPageBox(pageString: string, i: number) : JSX.Element {\n if (pageString === '...') {\n // return non-clickable span\n return {pageString};\n } else {\n return (\n this.props.onPageNumClicked(parseFloat(pageString))}\n >\n {pageString}\n \n );\n }\n }\n\n /** Get page strings given the current page\n * @param {number} page the current page that the user is on\n * @return {string[]} the strings to render in the pagination bar\n */\n getPageStrings(page: number) : string[] {\n // Get all page strings\n const actualPage = page + 1; // Switch from 0-indexed to 1-indexed\n const maxPage = this.props.maxPage;\n let pagesToDisplay: Set;\n\n // Check if page is on the boundary\n if (\n actualPage < NUM_PAGES_TO_DISPLAY ||\n actualPage > maxPage - NUM_PAGES_TO_DISPLAY + 1\n ) {\n // Generate pages to display\n const pagesList = [];\n\n for (let i = 0; i < NUM_PAGES_TO_DISPLAY; i++) {\n pagesList.push(i + 1);\n pagesList.push(maxPage - i);\n }\n\n // Filter out duplicates and out of bounds\n pagesToDisplay = new Set(\n pagesList.filter((i) => i > 0 && i <= maxPage),\n );\n } else {\n const pagesList =\n [1, actualPage - 1, actualPage, actualPage + 1, maxPage];\n pagesToDisplay = new Set(pagesList);\n }\n\n const pages = [...pagesToDisplay];\n pages.sort((a, b) => a - b);\n\n const pageStrings = [];\n let prevPage = null;\n for (const i of pages) {\n if (prevPage && (i - prevPage) > 1) {\n pageStrings.push('...');\n }\n pageStrings.push(i.toString());\n prevPage = i;\n }\n\n return pageStrings;\n }\n\n /** Returns previous page\n * @param {number} currPage the current page the user is on\n * @return {number} the previous page\n */\n static getPrevPage(currPage: number) : number {\n return (currPage === 0) ? 0 : currPage - 1;\n }\n\n /** Return next page\n * @param {number} currPage the current page the user is on\n * @param {number} maxPage the maximum number of pages\n * @return {number} the next page\n */\n static getNextPage(currPage: number, maxPage: number) : number {\n return (currPage === maxPage - 1) ? maxPage - 1 : currPage + 1;\n }\n\n\n /**\n * Renders the bar that allows user to control the page\n * @return {JSX.Element} the component in TSX code\n */\n render() : JSX.Element {\n // Get all page strings\n const pageStrings = this.getPageStrings(this.props.page);\n\n // Render all page strings\n return (\n
\n this.props.onPrevPageClicked(this.props.page)}\n >← prev\n {\n pageStrings.map((page, i) => this.renderPageBox(page, i))\n }\n this.props.onNextPageClicked(\n this.props.page,\n this.props.maxPage,\n )}\n >next →\n
\n );\n }\n}\n\nexport {PageBar};\n","/**\n * Copyright 2022 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport React, {Component} from 'react';\n\nimport {LoadingSpinner} from './LoadingSpinner';\nimport {PageBar} from './PageBar';\n\nconst NODES_PER_PAGE = 25;\n\n interface GraphExplorerPropType {\n /**\n * Indicates if uploaded files are currently being parsed.\n */\n loading: boolean;\n\n /**\n * IDs for nodes stored in App's state which are the subject nodes of\n * triples from any parsed files.\n */\n subjNodes: string[];\n\n /**\n * Set id parameter in url to the given id. Used when user clicks a\n * subject node to explore.\n */\n onNodeClick: (id: string) => void;\n }\n\n interface GraphExplorerStateType {\n /** Tracks which page the user is currently viewing (0-indexed) */\n page: number;\n }\n\n/** Component to display the Graph explorer */\nclass GraphExplorer extends Component<\n GraphExplorerPropType,\n GraphExplorerStateType\n > {\n /** Constructor for class, sets initial state\n * @param {GraphExplorerPropType} props the props passed in by parent\n * component\n */\n constructor(props: GraphExplorerPropType) {\n super(props);\n this.state = {\n page: 0,\n };\n }\n\n /** Renders the GraphExplorer component.\n * @return {JSX.Element} the component using TSX code\n */\n render() : JSX.Element {\n const maxPage = Math.ceil(this.props.subjNodes.length / NODES_PER_PAGE);\n const switchPage = (page: number) => this.setState({page});\n return (\n
\n {/* display loading animation while waiting*/}\n \n\n {/* display list of subject node ids*/}\n

Graph Explorer

\n {\n this.props.subjNodes.length === 0 ?\n

No nodes to explore

:\n null\n }\n
    \n {this.props.subjNodes.slice(\n this.state.page * NODES_PER_PAGE,\n (this.state.page + 1) * NODES_PER_PAGE,\n ).map((dcid) => (\n this.props.onNodeClick(dcid)}\n >\n {dcid}\n \n ))}\n
\n {\n switchPage(PageBar.getNextPage(currPage, maxPage));\n }\n }\n onPrevPageClicked={\n (currPage: number) => {\n switchPage(PageBar.getPrevPage(currPage));\n }\n }\n onPageNumClicked={\n (newPage: number) => {\n switchPage(newPage - 1);\n }\n }\n />\n
\n );\n }\n}\n\nexport {GraphExplorer};\n","/**\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport React from 'react';\n\nimport {ParsingError} from './back-end/utils';\n\ninterface ParsingErrorsTablePropType {\n /**\n * The App state's parsingErrs list of error message Objects from parsing\n * files. Each object in the array contains one file name and one list of\n * errors found in that file.\n */\n errsList: ParsingError[];\n}\n\n/* Simple component to render the parsing errors table. */\nconst ParsingErrorsTable = (props: ParsingErrorsTablePropType) => {\n if (!props.errsList.length) {\n return null;\n }\n return (\n
\n

Parsing Errors

\n \n \n \n \n \n \n \n \n {props.errsList.map((errObj) => (\n errObj['errs'].map((msg) =>\n \n \n \n \n \n ,\n )))}\n \n
File NameLine NumLineError Message
{errObj['file']}{msg[0]}{msg[1]}{msg[2]}
\n
\n );\n};\n\nexport {ParsingErrorsTable};\n","export default function _extends() {\n _extends = Object.assign ? Object.assign.bind() : function (target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n\n return target;\n };\n return _extends.apply(this, arguments);\n}","/*\n\nBased off glamor's StyleSheet, thanks Sunil ❤️\n\nhigh performance StyleSheet for css-in-js systems\n\n- uses multiple style tags behind the scenes for millions of rules\n- uses `insertRule` for appending in production for *much* faster performance\n\n// usage\n\nimport { StyleSheet } from '@emotion/sheet'\n\nlet styleSheet = new StyleSheet({ key: '', container: document.head })\n\nstyleSheet.insert('#box { border: 1px solid red; }')\n- appends a css rule into the stylesheet\n\nstyleSheet.flush()\n- empties the stylesheet of all its contents\n\n*/\n// $FlowFixMe\nfunction sheetForTag(tag) {\n if (tag.sheet) {\n // $FlowFixMe\n return tag.sheet;\n } // this weirdness brought to you by firefox\n\n /* istanbul ignore next */\n\n\n for (var i = 0; i < document.styleSheets.length; i++) {\n if (document.styleSheets[i].ownerNode === tag) {\n // $FlowFixMe\n return document.styleSheets[i];\n }\n }\n}\n\nfunction createStyleElement(options) {\n var tag = document.createElement('style');\n tag.setAttribute('data-emotion', options.key);\n\n if (options.nonce !== undefined) {\n tag.setAttribute('nonce', options.nonce);\n }\n\n tag.appendChild(document.createTextNode(''));\n tag.setAttribute('data-s', '');\n return tag;\n}\n\nvar StyleSheet = /*#__PURE__*/function () {\n // Using Node instead of HTMLElement since container may be a ShadowRoot\n function StyleSheet(options) {\n var _this = this;\n\n this._insertTag = function (tag) {\n var before;\n\n if (_this.tags.length === 0) {\n if (_this.insertionPoint) {\n before = _this.insertionPoint.nextSibling;\n } else if (_this.prepend) {\n before = _this.container.firstChild;\n } else {\n before = _this.before;\n }\n } else {\n before = _this.tags[_this.tags.length - 1].nextSibling;\n }\n\n _this.container.insertBefore(tag, before);\n\n _this.tags.push(tag);\n };\n\n this.isSpeedy = options.speedy === undefined ? process.env.NODE_ENV === 'production' : options.speedy;\n this.tags = [];\n this.ctr = 0;\n this.nonce = options.nonce; // key is the value of the data-emotion attribute, it's used to identify different sheets\n\n this.key = options.key;\n this.container = options.container;\n this.prepend = options.prepend;\n this.insertionPoint = options.insertionPoint;\n this.before = null;\n }\n\n var _proto = StyleSheet.prototype;\n\n _proto.hydrate = function hydrate(nodes) {\n nodes.forEach(this._insertTag);\n };\n\n _proto.insert = function insert(rule) {\n // the max length is how many rules we have per style tag, it's 65000 in speedy mode\n // it's 1 in dev because we insert source maps that map a single rule to a location\n // and you can only have one source map per style tag\n if (this.ctr % (this.isSpeedy ? 65000 : 1) === 0) {\n this._insertTag(createStyleElement(this));\n }\n\n var tag = this.tags[this.tags.length - 1];\n\n if (process.env.NODE_ENV !== 'production') {\n var isImportRule = rule.charCodeAt(0) === 64 && rule.charCodeAt(1) === 105;\n\n if (isImportRule && this._alreadyInsertedOrderInsensitiveRule) {\n // this would only cause problem in speedy mode\n // but we don't want enabling speedy to affect the observable behavior\n // so we report this error at all times\n console.error(\"You're attempting to insert the following rule:\\n\" + rule + '\\n\\n`@import` rules must be before all other types of rules in a stylesheet but other rules have already been inserted. Please ensure that `@import` rules are before all other rules.');\n }\n this._alreadyInsertedOrderInsensitiveRule = this._alreadyInsertedOrderInsensitiveRule || !isImportRule;\n }\n\n if (this.isSpeedy) {\n var sheet = sheetForTag(tag);\n\n try {\n // this is the ultrafast version, works across browsers\n // the big drawback is that the css won't be editable in devtools\n sheet.insertRule(rule, sheet.cssRules.length);\n } catch (e) {\n if (process.env.NODE_ENV !== 'production' && !/:(-moz-placeholder|-moz-focus-inner|-moz-focusring|-ms-input-placeholder|-moz-read-write|-moz-read-only|-ms-clear){/.test(rule)) {\n console.error(\"There was a problem inserting the following rule: \\\"\" + rule + \"\\\"\", e);\n }\n }\n } else {\n tag.appendChild(document.createTextNode(rule));\n }\n\n this.ctr++;\n };\n\n _proto.flush = function flush() {\n // $FlowFixMe\n this.tags.forEach(function (tag) {\n return tag.parentNode && tag.parentNode.removeChild(tag);\n });\n this.tags = [];\n this.ctr = 0;\n\n if (process.env.NODE_ENV !== 'production') {\n this._alreadyInsertedOrderInsensitiveRule = false;\n }\n };\n\n return StyleSheet;\n}();\n\nexport { StyleSheet };\n","/**\n * @param {number}\n * @return {number}\n */\nexport var abs = Math.abs\n\n/**\n * @param {number}\n * @return {string}\n */\nexport var from = String.fromCharCode\n\n/**\n * @param {object}\n * @return {object}\n */\nexport var assign = Object.assign\n\n/**\n * @param {string} value\n * @param {number} length\n * @return {number}\n */\nexport function hash (value, length) {\n\treturn (((((((length << 2) ^ charat(value, 0)) << 2) ^ charat(value, 1)) << 2) ^ charat(value, 2)) << 2) ^ charat(value, 3)\n}\n\n/**\n * @param {string} value\n * @return {string}\n */\nexport function trim (value) {\n\treturn value.trim()\n}\n\n/**\n * @param {string} value\n * @param {RegExp} pattern\n * @return {string?}\n */\nexport function match (value, pattern) {\n\treturn (value = pattern.exec(value)) ? value[0] : value\n}\n\n/**\n * @param {string} value\n * @param {(string|RegExp)} pattern\n * @param {string} replacement\n * @return {string}\n */\nexport function replace (value, pattern, replacement) {\n\treturn value.replace(pattern, replacement)\n}\n\n/**\n * @param {string} value\n * @param {string} search\n * @return {number}\n */\nexport function indexof (value, search) {\n\treturn value.indexOf(search)\n}\n\n/**\n * @param {string} value\n * @param {number} index\n * @return {number}\n */\nexport function charat (value, index) {\n\treturn value.charCodeAt(index) | 0\n}\n\n/**\n * @param {string} value\n * @param {number} begin\n * @param {number} end\n * @return {string}\n */\nexport function substr (value, begin, end) {\n\treturn value.slice(begin, end)\n}\n\n/**\n * @param {string} value\n * @return {number}\n */\nexport function strlen (value) {\n\treturn value.length\n}\n\n/**\n * @param {any[]} value\n * @return {number}\n */\nexport function sizeof (value) {\n\treturn value.length\n}\n\n/**\n * @param {any} value\n * @param {any[]} array\n * @return {any}\n */\nexport function append (value, array) {\n\treturn array.push(value), value\n}\n\n/**\n * @param {string[]} array\n * @param {function} callback\n * @return {string}\n */\nexport function combine (array, callback) {\n\treturn array.map(callback).join('')\n}\n","import {from, trim, charat, strlen, substr, append, assign} from './Utility.js'\n\nexport var line = 1\nexport var column = 1\nexport var length = 0\nexport var position = 0\nexport var character = 0\nexport var characters = ''\n\n/**\n * @param {string} value\n * @param {object | null} root\n * @param {object | null} parent\n * @param {string} type\n * @param {string[] | string} props\n * @param {object[] | string} children\n * @param {number} length\n */\nexport function node (value, root, parent, type, props, children, length) {\n\treturn {value: value, root: root, parent: parent, type: type, props: props, children: children, line: line, column: column, length: length, return: ''}\n}\n\n/**\n * @param {object} root\n * @param {object} props\n * @return {object}\n */\nexport function copy (root, props) {\n\treturn assign(node('', null, null, '', null, null, 0), root, {length: -root.length}, props)\n}\n\n/**\n * @return {number}\n */\nexport function char () {\n\treturn character\n}\n\n/**\n * @return {number}\n */\nexport function prev () {\n\tcharacter = position > 0 ? charat(characters, --position) : 0\n\n\tif (column--, character === 10)\n\t\tcolumn = 1, line--\n\n\treturn character\n}\n\n/**\n * @return {number}\n */\nexport function next () {\n\tcharacter = position < length ? charat(characters, position++) : 0\n\n\tif (column++, character === 10)\n\t\tcolumn = 1, line++\n\n\treturn character\n}\n\n/**\n * @return {number}\n */\nexport function peek () {\n\treturn charat(characters, position)\n}\n\n/**\n * @return {number}\n */\nexport function caret () {\n\treturn position\n}\n\n/**\n * @param {number} begin\n * @param {number} end\n * @return {string}\n */\nexport function slice (begin, end) {\n\treturn substr(characters, begin, end)\n}\n\n/**\n * @param {number} type\n * @return {number}\n */\nexport function token (type) {\n\tswitch (type) {\n\t\t// \\0 \\t \\n \\r \\s whitespace token\n\t\tcase 0: case 9: case 10: case 13: case 32:\n\t\t\treturn 5\n\t\t// ! + , / > @ ~ isolate token\n\t\tcase 33: case 43: case 44: case 47: case 62: case 64: case 126:\n\t\t// ; { } breakpoint token\n\t\tcase 59: case 123: case 125:\n\t\t\treturn 4\n\t\t// : accompanied token\n\t\tcase 58:\n\t\t\treturn 3\n\t\t// \" ' ( [ opening delimit token\n\t\tcase 34: case 39: case 40: case 91:\n\t\t\treturn 2\n\t\t// ) ] closing delimit token\n\t\tcase 41: case 93:\n\t\t\treturn 1\n\t}\n\n\treturn 0\n}\n\n/**\n * @param {string} value\n * @return {any[]}\n */\nexport function alloc (value) {\n\treturn line = column = 1, length = strlen(characters = value), position = 0, []\n}\n\n/**\n * @param {any} value\n * @return {any}\n */\nexport function dealloc (value) {\n\treturn characters = '', value\n}\n\n/**\n * @param {number} type\n * @return {string}\n */\nexport function delimit (type) {\n\treturn trim(slice(position - 1, delimiter(type === 91 ? type + 2 : type === 40 ? type + 1 : type)))\n}\n\n/**\n * @param {string} value\n * @return {string[]}\n */\nexport function tokenize (value) {\n\treturn dealloc(tokenizer(alloc(value)))\n}\n\n/**\n * @param {number} type\n * @return {string}\n */\nexport function whitespace (type) {\n\twhile (character = peek())\n\t\tif (character < 33)\n\t\t\tnext()\n\t\telse\n\t\t\tbreak\n\n\treturn token(type) > 2 || token(character) > 3 ? '' : ' '\n}\n\n/**\n * @param {string[]} children\n * @return {string[]}\n */\nexport function tokenizer (children) {\n\twhile (next())\n\t\tswitch (token(character)) {\n\t\t\tcase 0: append(identifier(position - 1), children)\n\t\t\t\tbreak\n\t\t\tcase 2: append(delimit(character), children)\n\t\t\t\tbreak\n\t\t\tdefault: append(from(character), children)\n\t\t}\n\n\treturn children\n}\n\n/**\n * @param {number} index\n * @param {number} count\n * @return {string}\n */\nexport function escaping (index, count) {\n\twhile (--count && next())\n\t\t// not 0-9 A-F a-f\n\t\tif (character < 48 || character > 102 || (character > 57 && character < 65) || (character > 70 && character < 97))\n\t\t\tbreak\n\n\treturn slice(index, caret() + (count < 6 && peek() == 32 && next() == 32))\n}\n\n/**\n * @param {number} type\n * @return {number}\n */\nexport function delimiter (type) {\n\twhile (next())\n\t\tswitch (character) {\n\t\t\t// ] ) \" '\n\t\t\tcase type:\n\t\t\t\treturn position\n\t\t\t// \" '\n\t\t\tcase 34: case 39:\n\t\t\t\tif (type !== 34 && type !== 39)\n\t\t\t\t\tdelimiter(character)\n\t\t\t\tbreak\n\t\t\t// (\n\t\t\tcase 40:\n\t\t\t\tif (type === 41)\n\t\t\t\t\tdelimiter(type)\n\t\t\t\tbreak\n\t\t\t// \\\n\t\t\tcase 92:\n\t\t\t\tnext()\n\t\t\t\tbreak\n\t\t}\n\n\treturn position\n}\n\n/**\n * @param {number} type\n * @param {number} index\n * @return {number}\n */\nexport function commenter (type, index) {\n\twhile (next())\n\t\t// //\n\t\tif (type + character === 47 + 10)\n\t\t\tbreak\n\t\t// /*\n\t\telse if (type + character === 42 + 42 && peek() === 47)\n\t\t\tbreak\n\n\treturn '/*' + slice(index, position - 1) + '*' + from(type === 47 ? type : next())\n}\n\n/**\n * @param {number} index\n * @return {string}\n */\nexport function identifier (index) {\n\twhile (!token(peek()))\n\t\tnext()\n\n\treturn slice(index, position)\n}\n","export var MS = '-ms-'\nexport var MOZ = '-moz-'\nexport var WEBKIT = '-webkit-'\n\nexport var COMMENT = 'comm'\nexport var RULESET = 'rule'\nexport var DECLARATION = 'decl'\n\nexport var PAGE = '@page'\nexport var MEDIA = '@media'\nexport var IMPORT = '@import'\nexport var CHARSET = '@charset'\nexport var VIEWPORT = '@viewport'\nexport var SUPPORTS = '@supports'\nexport var DOCUMENT = '@document'\nexport var NAMESPACE = '@namespace'\nexport var KEYFRAMES = '@keyframes'\nexport var FONT_FACE = '@font-face'\nexport var COUNTER_STYLE = '@counter-style'\nexport var FONT_FEATURE_VALUES = '@font-feature-values'\n","import {IMPORT, COMMENT, RULESET, DECLARATION, KEYFRAMES} from './Enum.js'\nimport {strlen, sizeof} from './Utility.js'\n\n/**\n * @param {object[]} children\n * @param {function} callback\n * @return {string}\n */\nexport function serialize (children, callback) {\n\tvar output = ''\n\tvar length = sizeof(children)\n\n\tfor (var i = 0; i < length; i++)\n\t\toutput += callback(children[i], i, children, callback) || ''\n\n\treturn output\n}\n\n/**\n * @param {object} element\n * @param {number} index\n * @param {object[]} children\n * @param {function} callback\n * @return {string}\n */\nexport function stringify (element, index, children, callback) {\n\tswitch (element.type) {\n\t\tcase IMPORT: case DECLARATION: return element.return = element.return || element.value\n\t\tcase COMMENT: return ''\n\t\tcase KEYFRAMES: return element.return = element.value + '{' + serialize(element.children, callback) + '}'\n\t\tcase RULESET: element.value = element.props.join(',')\n\t}\n\n\treturn strlen(children = serialize(element.children, callback)) ? element.return = element.value + '{' + children + '}' : ''\n}\n","import {MS, MOZ, WEBKIT} from './Enum.js'\nimport {hash, charat, strlen, indexof, replace} from './Utility.js'\n\n/**\n * @param {string} value\n * @param {number} length\n * @return {string}\n */\nexport function prefix (value, length) {\n\tswitch (hash(value, length)) {\n\t\t// color-adjust\n\t\tcase 5103:\n\t\t\treturn WEBKIT + 'print-' + value + value\n\t\t// animation, animation-(delay|direction|duration|fill-mode|iteration-count|name|play-state|timing-function)\n\t\tcase 5737: case 4201: case 3177: case 3433: case 1641: case 4457: case 2921:\n\t\t// text-decoration, filter, clip-path, backface-visibility, column, box-decoration-break\n\t\tcase 5572: case 6356: case 5844: case 3191: case 6645: case 3005:\n\t\t// mask, mask-image, mask-(mode|clip|size), mask-(repeat|origin), mask-position, mask-composite,\n\t\tcase 6391: case 5879: case 5623: case 6135: case 4599: case 4855:\n\t\t// background-clip, columns, column-(count|fill|gap|rule|rule-color|rule-style|rule-width|span|width)\n\t\tcase 4215: case 6389: case 5109: case 5365: case 5621: case 3829:\n\t\t\treturn WEBKIT + value + value\n\t\t// appearance, user-select, transform, hyphens, text-size-adjust\n\t\tcase 5349: case 4246: case 4810: case 6968: case 2756:\n\t\t\treturn WEBKIT + value + MOZ + value + MS + value + value\n\t\t// flex, flex-direction\n\t\tcase 6828: case 4268:\n\t\t\treturn WEBKIT + value + MS + value + value\n\t\t// order\n\t\tcase 6165:\n\t\t\treturn WEBKIT + value + MS + 'flex-' + value + value\n\t\t// align-items\n\t\tcase 5187:\n\t\t\treturn WEBKIT + value + replace(value, /(\\w+).+(:[^]+)/, WEBKIT + 'box-$1$2' + MS + 'flex-$1$2') + value\n\t\t// align-self\n\t\tcase 5443:\n\t\t\treturn WEBKIT + value + MS + 'flex-item-' + replace(value, /flex-|-self/, '') + value\n\t\t// align-content\n\t\tcase 4675:\n\t\t\treturn WEBKIT + value + MS + 'flex-line-pack' + replace(value, /align-content|flex-|-self/, '') + value\n\t\t// flex-shrink\n\t\tcase 5548:\n\t\t\treturn WEBKIT + value + MS + replace(value, 'shrink', 'negative') + value\n\t\t// flex-basis\n\t\tcase 5292:\n\t\t\treturn WEBKIT + value + MS + replace(value, 'basis', 'preferred-size') + value\n\t\t// flex-grow\n\t\tcase 6060:\n\t\t\treturn WEBKIT + 'box-' + replace(value, '-grow', '') + WEBKIT + value + MS + replace(value, 'grow', 'positive') + value\n\t\t// transition\n\t\tcase 4554:\n\t\t\treturn WEBKIT + replace(value, /([^-])(transform)/g, '$1' + WEBKIT + '$2') + value\n\t\t// cursor\n\t\tcase 6187:\n\t\t\treturn replace(replace(replace(value, /(zoom-|grab)/, WEBKIT + '$1'), /(image-set)/, WEBKIT + '$1'), value, '') + value\n\t\t// background, background-image\n\t\tcase 5495: case 3959:\n\t\t\treturn replace(value, /(image-set\\([^]*)/, WEBKIT + '$1' + '$`$1')\n\t\t// justify-content\n\t\tcase 4968:\n\t\t\treturn replace(replace(value, /(.+:)(flex-)?(.*)/, WEBKIT + 'box-pack:$3' + MS + 'flex-pack:$3'), /s.+-b[^;]+/, 'justify') + WEBKIT + value + value\n\t\t// (margin|padding)-inline-(start|end)\n\t\tcase 4095: case 3583: case 4068: case 2532:\n\t\t\treturn replace(value, /(.+)-inline(.+)/, WEBKIT + '$1$2') + value\n\t\t// (min|max)?(width|height|inline-size|block-size)\n\t\tcase 8116: case 7059: case 5753: case 5535:\n\t\tcase 5445: case 5701: case 4933: case 4677:\n\t\tcase 5533: case 5789: case 5021: case 4765:\n\t\t\t// stretch, max-content, min-content, fill-available\n\t\t\tif (strlen(value) - 1 - length > 6)\n\t\t\t\tswitch (charat(value, length + 1)) {\n\t\t\t\t\t// (m)ax-content, (m)in-content\n\t\t\t\t\tcase 109:\n\t\t\t\t\t\t// -\n\t\t\t\t\t\tif (charat(value, length + 4) !== 45)\n\t\t\t\t\t\t\tbreak\n\t\t\t\t\t// (f)ill-available, (f)it-content\n\t\t\t\t\tcase 102:\n\t\t\t\t\t\treturn replace(value, /(.+:)(.+)-([^]+)/, '$1' + WEBKIT + '$2-$3' + '$1' + MOZ + (charat(value, length + 3) == 108 ? '$3' : '$2-$3')) + value\n\t\t\t\t\t// (s)tretch\n\t\t\t\t\tcase 115:\n\t\t\t\t\t\treturn ~indexof(value, 'stretch') ? prefix(replace(value, 'stretch', 'fill-available'), length) + value : value\n\t\t\t\t}\n\t\t\tbreak\n\t\t// position: sticky\n\t\tcase 4949:\n\t\t\t// (s)ticky?\n\t\t\tif (charat(value, length + 1) !== 115)\n\t\t\t\tbreak\n\t\t// display: (flex|inline-flex)\n\t\tcase 6444:\n\t\t\tswitch (charat(value, strlen(value) - 3 - (~indexof(value, '!important') && 10))) {\n\t\t\t\t// stic(k)y\n\t\t\t\tcase 107:\n\t\t\t\t\treturn replace(value, ':', ':' + WEBKIT) + value\n\t\t\t\t// (inline-)?fl(e)x\n\t\t\t\tcase 101:\n\t\t\t\t\treturn replace(value, /(.+:)([^;!]+)(;|!.+)?/, '$1' + WEBKIT + (charat(value, 14) === 45 ? 'inline-' : '') + 'box$3' + '$1' + WEBKIT + '$2$3' + '$1' + MS + '$2box$3') + value\n\t\t\t}\n\t\t\tbreak\n\t\t// writing-mode\n\t\tcase 5936:\n\t\t\tswitch (charat(value, length + 11)) {\n\t\t\t\t// vertical-l(r)\n\t\t\t\tcase 114:\n\t\t\t\t\treturn WEBKIT + value + MS + replace(value, /[svh]\\w+-[tblr]{2}/, 'tb') + value\n\t\t\t\t// vertical-r(l)\n\t\t\t\tcase 108:\n\t\t\t\t\treturn WEBKIT + value + MS + replace(value, /[svh]\\w+-[tblr]{2}/, 'tb-rl') + value\n\t\t\t\t// horizontal(-)tb\n\t\t\t\tcase 45:\n\t\t\t\t\treturn WEBKIT + value + MS + replace(value, /[svh]\\w+-[tblr]{2}/, 'lr') + value\n\t\t\t}\n\n\t\t\treturn WEBKIT + value + MS + value + value\n\t}\n\n\treturn value\n}\n","import {MS, MOZ, WEBKIT, RULESET, KEYFRAMES, DECLARATION} from './Enum.js'\nimport {match, charat, substr, strlen, sizeof, replace, combine} from './Utility.js'\nimport {copy, tokenize} from './Tokenizer.js'\nimport {serialize} from './Serializer.js'\nimport {prefix} from './Prefixer.js'\n\n/**\n * @param {function[]} collection\n * @return {function}\n */\nexport function middleware (collection) {\n\tvar length = sizeof(collection)\n\n\treturn function (element, index, children, callback) {\n\t\tvar output = ''\n\n\t\tfor (var i = 0; i < length; i++)\n\t\t\toutput += collection[i](element, index, children, callback) || ''\n\n\t\treturn output\n\t}\n}\n\n/**\n * @param {function} callback\n * @return {function}\n */\nexport function rulesheet (callback) {\n\treturn function (element) {\n\t\tif (!element.root)\n\t\t\tif (element = element.return)\n\t\t\t\tcallback(element)\n\t}\n}\n\n/**\n * @param {object} element\n * @param {number} index\n * @param {object[]} children\n * @param {function} callback\n */\nexport function prefixer (element, index, children, callback) {\n\tif (element.length > -1)\n\t\tif (!element.return)\n\t\t\tswitch (element.type) {\n\t\t\t\tcase DECLARATION: element.return = prefix(element.value, element.length)\n\t\t\t\t\tbreak\n\t\t\t\tcase KEYFRAMES:\n\t\t\t\t\treturn serialize([copy(element, {value: replace(element.value, '@', '@' + WEBKIT)})], callback)\n\t\t\t\tcase RULESET:\n\t\t\t\t\tif (element.length)\n\t\t\t\t\t\treturn combine(element.props, function (value) {\n\t\t\t\t\t\t\tswitch (match(value, /(::plac\\w+|:read-\\w+)/)) {\n\t\t\t\t\t\t\t\t// :read-(only|write)\n\t\t\t\t\t\t\t\tcase ':read-only': case ':read-write':\n\t\t\t\t\t\t\t\t\treturn serialize([copy(element, {props: [replace(value, /:(read-\\w+)/, ':' + MOZ + '$1')]})], callback)\n\t\t\t\t\t\t\t\t// :placeholder\n\t\t\t\t\t\t\t\tcase '::placeholder':\n\t\t\t\t\t\t\t\t\treturn serialize([\n\t\t\t\t\t\t\t\t\t\tcopy(element, {props: [replace(value, /:(plac\\w+)/, ':' + WEBKIT + 'input-$1')]}),\n\t\t\t\t\t\t\t\t\t\tcopy(element, {props: [replace(value, /:(plac\\w+)/, ':' + MOZ + '$1')]}),\n\t\t\t\t\t\t\t\t\t\tcopy(element, {props: [replace(value, /:(plac\\w+)/, MS + 'input-$1')]})\n\t\t\t\t\t\t\t\t\t], callback)\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\treturn ''\n\t\t\t\t\t\t})\n\t\t\t}\n}\n\n/**\n * @param {object} element\n * @param {number} index\n * @param {object[]} children\n */\nexport function namespace (element) {\n\tswitch (element.type) {\n\t\tcase RULESET:\n\t\t\telement.props = element.props.map(function (value) {\n\t\t\t\treturn combine(tokenize(value), function (value, index, children) {\n\t\t\t\t\tswitch (charat(value, 0)) {\n\t\t\t\t\t\t// \\f\n\t\t\t\t\t\tcase 12:\n\t\t\t\t\t\t\treturn substr(value, 1, strlen(value))\n\t\t\t\t\t\t// \\0 ( + > ~\n\t\t\t\t\t\tcase 0: case 40: case 43: case 62: case 126:\n\t\t\t\t\t\t\treturn value\n\t\t\t\t\t\t// :\n\t\t\t\t\t\tcase 58:\n\t\t\t\t\t\t\tif (children[++index] === 'global')\n\t\t\t\t\t\t\t\tchildren[index] = '', children[++index] = '\\f' + substr(children[index], index = 1, -1)\n\t\t\t\t\t\t// \\s\n\t\t\t\t\t\tcase 32:\n\t\t\t\t\t\t\treturn index === 1 ? '' : value\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tswitch (index) {\n\t\t\t\t\t\t\t\tcase 0: element = value\n\t\t\t\t\t\t\t\t\treturn sizeof(children) > 1 ? '' : value\n\t\t\t\t\t\t\t\tcase index = sizeof(children) - 1: case 2:\n\t\t\t\t\t\t\t\t\treturn index === 2 ? value + element + element : value + element\n\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\treturn value\n\t\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t})\n\t\t\t})\n\t}\n}\n","import {COMMENT, RULESET, DECLARATION} from './Enum.js'\nimport {abs, trim, from, sizeof, strlen, substr, append, replace, indexof} from './Utility.js'\nimport {node, char, prev, next, peek, caret, alloc, dealloc, delimit, whitespace, escaping, identifier, commenter} from './Tokenizer.js'\n\n/**\n * @param {string} value\n * @return {object[]}\n */\nexport function compile (value) {\n\treturn dealloc(parse('', null, null, null, [''], value = alloc(value), 0, [0], value))\n}\n\n/**\n * @param {string} value\n * @param {object} root\n * @param {object?} parent\n * @param {string[]} rule\n * @param {string[]} rules\n * @param {string[]} rulesets\n * @param {number[]} pseudo\n * @param {number[]} points\n * @param {string[]} declarations\n * @return {object}\n */\nexport function parse (value, root, parent, rule, rules, rulesets, pseudo, points, declarations) {\n\tvar index = 0\n\tvar offset = 0\n\tvar length = pseudo\n\tvar atrule = 0\n\tvar property = 0\n\tvar previous = 0\n\tvar variable = 1\n\tvar scanning = 1\n\tvar ampersand = 1\n\tvar character = 0\n\tvar type = ''\n\tvar props = rules\n\tvar children = rulesets\n\tvar reference = rule\n\tvar characters = type\n\n\twhile (scanning)\n\t\tswitch (previous = character, character = next()) {\n\t\t\t// (\n\t\t\tcase 40:\n\t\t\t\tif (previous != 108 && characters.charCodeAt(length - 1) == 58) {\n\t\t\t\t\tif (indexof(characters += replace(delimit(character), '&', '&\\f'), '&\\f') != -1)\n\t\t\t\t\t\tampersand = -1\n\t\t\t\t\tbreak\n\t\t\t\t}\n\t\t\t// \" ' [\n\t\t\tcase 34: case 39: case 91:\n\t\t\t\tcharacters += delimit(character)\n\t\t\t\tbreak\n\t\t\t// \\t \\n \\r \\s\n\t\t\tcase 9: case 10: case 13: case 32:\n\t\t\t\tcharacters += whitespace(previous)\n\t\t\t\tbreak\n\t\t\t// \\\n\t\t\tcase 92:\n\t\t\t\tcharacters += escaping(caret() - 1, 7)\n\t\t\t\tcontinue\n\t\t\t// /\n\t\t\tcase 47:\n\t\t\t\tswitch (peek()) {\n\t\t\t\t\tcase 42: case 47:\n\t\t\t\t\t\tappend(comment(commenter(next(), caret()), root, parent), declarations)\n\t\t\t\t\t\tbreak\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tcharacters += '/'\n\t\t\t\t}\n\t\t\t\tbreak\n\t\t\t// {\n\t\t\tcase 123 * variable:\n\t\t\t\tpoints[index++] = strlen(characters) * ampersand\n\t\t\t// } ; \\0\n\t\t\tcase 125 * variable: case 59: case 0:\n\t\t\t\tswitch (character) {\n\t\t\t\t\t// \\0 }\n\t\t\t\t\tcase 0: case 125: scanning = 0\n\t\t\t\t\t// ;\n\t\t\t\t\tcase 59 + offset:\n\t\t\t\t\t\tif (property > 0 && (strlen(characters) - length))\n\t\t\t\t\t\t\tappend(property > 32 ? declaration(characters + ';', rule, parent, length - 1) : declaration(replace(characters, ' ', '') + ';', rule, parent, length - 2), declarations)\n\t\t\t\t\t\tbreak\n\t\t\t\t\t// @ ;\n\t\t\t\t\tcase 59: characters += ';'\n\t\t\t\t\t// { rule/at-rule\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tappend(reference = ruleset(characters, root, parent, index, offset, rules, points, type, props = [], children = [], length), rulesets)\n\n\t\t\t\t\t\tif (character === 123)\n\t\t\t\t\t\t\tif (offset === 0)\n\t\t\t\t\t\t\t\tparse(characters, root, reference, reference, props, rulesets, length, points, children)\n\t\t\t\t\t\t\telse\n\t\t\t\t\t\t\t\tswitch (atrule) {\n\t\t\t\t\t\t\t\t\t// d m s\n\t\t\t\t\t\t\t\t\tcase 100: case 109: case 115:\n\t\t\t\t\t\t\t\t\t\tparse(value, reference, reference, rule && append(ruleset(value, reference, reference, 0, 0, rules, points, type, rules, props = [], length), children), rules, children, length, points, rule ? props : children)\n\t\t\t\t\t\t\t\t\t\tbreak\n\t\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\t\tparse(characters, reference, reference, reference, [''], children, 0, points, children)\n\t\t\t\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tindex = offset = property = 0, variable = ampersand = 1, type = characters = '', length = pseudo\n\t\t\t\tbreak\n\t\t\t// :\n\t\t\tcase 58:\n\t\t\t\tlength = 1 + strlen(characters), property = previous\n\t\t\tdefault:\n\t\t\t\tif (variable < 1)\n\t\t\t\t\tif (character == 123)\n\t\t\t\t\t\t--variable\n\t\t\t\t\telse if (character == 125 && variable++ == 0 && prev() == 125)\n\t\t\t\t\t\tcontinue\n\n\t\t\t\tswitch (characters += from(character), character * variable) {\n\t\t\t\t\t// &\n\t\t\t\t\tcase 38:\n\t\t\t\t\t\tampersand = offset > 0 ? 1 : (characters += '\\f', -1)\n\t\t\t\t\t\tbreak\n\t\t\t\t\t// ,\n\t\t\t\t\tcase 44:\n\t\t\t\t\t\tpoints[index++] = (strlen(characters) - 1) * ampersand, ampersand = 1\n\t\t\t\t\t\tbreak\n\t\t\t\t\t// @\n\t\t\t\t\tcase 64:\n\t\t\t\t\t\t// -\n\t\t\t\t\t\tif (peek() === 45)\n\t\t\t\t\t\t\tcharacters += delimit(next())\n\n\t\t\t\t\t\tatrule = peek(), offset = length = strlen(type = characters += identifier(caret())), character++\n\t\t\t\t\t\tbreak\n\t\t\t\t\t// -\n\t\t\t\t\tcase 45:\n\t\t\t\t\t\tif (previous === 45 && strlen(characters) == 2)\n\t\t\t\t\t\t\tvariable = 0\n\t\t\t\t}\n\t\t}\n\n\treturn rulesets\n}\n\n/**\n * @param {string} value\n * @param {object} root\n * @param {object?} parent\n * @param {number} index\n * @param {number} offset\n * @param {string[]} rules\n * @param {number[]} points\n * @param {string} type\n * @param {string[]} props\n * @param {string[]} children\n * @param {number} length\n * @return {object}\n */\nexport function ruleset (value, root, parent, index, offset, rules, points, type, props, children, length) {\n\tvar post = offset - 1\n\tvar rule = offset === 0 ? rules : ['']\n\tvar size = sizeof(rule)\n\n\tfor (var i = 0, j = 0, k = 0; i < index; ++i)\n\t\tfor (var x = 0, y = substr(value, post + 1, post = abs(j = points[i])), z = value; x < size; ++x)\n\t\t\tif (z = trim(j > 0 ? rule[x] + ' ' + y : replace(y, /&\\f/g, rule[x])))\n\t\t\t\tprops[k++] = z\n\n\treturn node(value, root, parent, offset === 0 ? RULESET : type, props, children, length)\n}\n\n/**\n * @param {number} value\n * @param {object} root\n * @param {object?} parent\n * @return {object}\n */\nexport function comment (value, root, parent) {\n\treturn node(value, root, parent, COMMENT, from(char()), substr(value, 2, -2), 0)\n}\n\n/**\n * @param {string} value\n * @param {object} root\n * @param {object?} parent\n * @param {number} length\n * @return {object}\n */\nexport function declaration (value, root, parent, length) {\n\treturn node(value, root, parent, DECLARATION, substr(value, 0, length), substr(value, length + 1, -1), length)\n}\n","import { StyleSheet } from '@emotion/sheet';\nimport { dealloc, alloc, next, token, from, peek, delimit, slice, position, stringify, COMMENT, rulesheet, middleware, prefixer, serialize, compile } from 'stylis';\nimport '@emotion/weak-memoize';\nimport '@emotion/memoize';\n\nvar last = function last(arr) {\n return arr.length ? arr[arr.length - 1] : null;\n}; // based on https://github.com/thysultan/stylis.js/blob/e6843c373ebcbbfade25ebcc23f540ed8508da0a/src/Tokenizer.js#L239-L244\n\n\nvar identifierWithPointTracking = function identifierWithPointTracking(begin, points, index) {\n var previous = 0;\n var character = 0;\n\n while (true) {\n previous = character;\n character = peek(); // &\\f\n\n if (previous === 38 && character === 12) {\n points[index] = 1;\n }\n\n if (token(character)) {\n break;\n }\n\n next();\n }\n\n return slice(begin, position);\n};\n\nvar toRules = function toRules(parsed, points) {\n // pretend we've started with a comma\n var index = -1;\n var character = 44;\n\n do {\n switch (token(character)) {\n case 0:\n // &\\f\n if (character === 38 && peek() === 12) {\n // this is not 100% correct, we don't account for literal sequences here - like for example quoted strings\n // stylis inserts \\f after & to know when & where it should replace this sequence with the context selector\n // and when it should just concatenate the outer and inner selectors\n // it's very unlikely for this sequence to actually appear in a different context, so we just leverage this fact here\n points[index] = 1;\n }\n\n parsed[index] += identifierWithPointTracking(position - 1, points, index);\n break;\n\n case 2:\n parsed[index] += delimit(character);\n break;\n\n case 4:\n // comma\n if (character === 44) {\n // colon\n parsed[++index] = peek() === 58 ? '&\\f' : '';\n points[index] = parsed[index].length;\n break;\n }\n\n // fallthrough\n\n default:\n parsed[index] += from(character);\n }\n } while (character = next());\n\n return parsed;\n};\n\nvar getRules = function getRules(value, points) {\n return dealloc(toRules(alloc(value), points));\n}; // WeakSet would be more appropriate, but only WeakMap is supported in IE11\n\n\nvar fixedElements = /* #__PURE__ */new WeakMap();\nvar compat = function compat(element) {\n if (element.type !== 'rule' || !element.parent || // positive .length indicates that this rule contains pseudo\n // negative .length indicates that this rule has been already prefixed\n element.length < 1) {\n return;\n }\n\n var value = element.value,\n parent = element.parent;\n var isImplicitRule = element.column === parent.column && element.line === parent.line;\n\n while (parent.type !== 'rule') {\n parent = parent.parent;\n if (!parent) return;\n } // short-circuit for the simplest case\n\n\n if (element.props.length === 1 && value.charCodeAt(0) !== 58\n /* colon */\n && !fixedElements.get(parent)) {\n return;\n } // if this is an implicitly inserted rule (the one eagerly inserted at the each new nested level)\n // then the props has already been manipulated beforehand as they that array is shared between it and its \"rule parent\"\n\n\n if (isImplicitRule) {\n return;\n }\n\n fixedElements.set(element, true);\n var points = [];\n var rules = getRules(value, points);\n var parentRules = parent.props;\n\n for (var i = 0, k = 0; i < rules.length; i++) {\n for (var j = 0; j < parentRules.length; j++, k++) {\n element.props[k] = points[i] ? rules[i].replace(/&\\f/g, parentRules[j]) : parentRules[j] + \" \" + rules[i];\n }\n }\n};\nvar removeLabel = function removeLabel(element) {\n if (element.type === 'decl') {\n var value = element.value;\n\n if ( // charcode for l\n value.charCodeAt(0) === 108 && // charcode for b\n value.charCodeAt(2) === 98) {\n // this ignores label\n element[\"return\"] = '';\n element.value = '';\n }\n }\n};\nvar ignoreFlag = 'emotion-disable-server-rendering-unsafe-selector-warning-please-do-not-use-this-the-warning-exists-for-a-reason';\n\nvar isIgnoringComment = function isIgnoringComment(element) {\n return !!element && element.type === 'comm' && element.children.indexOf(ignoreFlag) > -1;\n};\n\nvar createUnsafeSelectorsAlarm = function createUnsafeSelectorsAlarm(cache) {\n return function (element, index, children) {\n if (element.type !== 'rule') return;\n var unsafePseudoClasses = element.value.match(/(:first|:nth|:nth-last)-child/g);\n\n if (unsafePseudoClasses && cache.compat !== true) {\n var prevElement = index > 0 ? children[index - 1] : null;\n\n if (prevElement && isIgnoringComment(last(prevElement.children))) {\n return;\n }\n\n unsafePseudoClasses.forEach(function (unsafePseudoClass) {\n console.error(\"The pseudo class \\\"\" + unsafePseudoClass + \"\\\" is potentially unsafe when doing server-side rendering. Try changing it to \\\"\" + unsafePseudoClass.split('-child')[0] + \"-of-type\\\".\");\n });\n }\n };\n};\n\nvar isImportRule = function isImportRule(element) {\n return element.type.charCodeAt(1) === 105 && element.type.charCodeAt(0) === 64;\n};\n\nvar isPrependedWithRegularRules = function isPrependedWithRegularRules(index, children) {\n for (var i = index - 1; i >= 0; i--) {\n if (!isImportRule(children[i])) {\n return true;\n }\n }\n\n return false;\n}; // use this to remove incorrect elements from further processing\n// so they don't get handed to the `sheet` (or anything else)\n// as that could potentially lead to additional logs which in turn could be overhelming to the user\n\n\nvar nullifyElement = function nullifyElement(element) {\n element.type = '';\n element.value = '';\n element[\"return\"] = '';\n element.children = '';\n element.props = '';\n};\n\nvar incorrectImportAlarm = function incorrectImportAlarm(element, index, children) {\n if (!isImportRule(element)) {\n return;\n }\n\n if (element.parent) {\n console.error(\"`@import` rules can't be nested inside other rules. Please move it to the top level and put it before regular rules. Keep in mind that they can only be used within global styles.\");\n nullifyElement(element);\n } else if (isPrependedWithRegularRules(index, children)) {\n console.error(\"`@import` rules can't be after other rules. Please put your `@import` rules before your other rules.\");\n nullifyElement(element);\n }\n};\n\nvar defaultStylisPlugins = [prefixer];\n\nvar createCache = function createCache(options) {\n var key = options.key;\n\n if (process.env.NODE_ENV !== 'production' && !key) {\n throw new Error(\"You have to configure `key` for your cache. Please make sure it's unique (and not equal to 'css') as it's used for linking styles to your cache.\\n\" + \"If multiple caches share the same key they might \\\"fight\\\" for each other's style elements.\");\n }\n\n if ( key === 'css') {\n var ssrStyles = document.querySelectorAll(\"style[data-emotion]:not([data-s])\"); // get SSRed styles out of the way of React's hydration\n // document.head is a safe place to move them to(though note document.head is not necessarily the last place they will be)\n // note this very very intentionally targets all style elements regardless of the key to ensure\n // that creating a cache works inside of render of a React component\n\n Array.prototype.forEach.call(ssrStyles, function (node) {\n // we want to only move elements which have a space in the data-emotion attribute value\n // because that indicates that it is an Emotion 11 server-side rendered style elements\n // while we will already ignore Emotion 11 client-side inserted styles because of the :not([data-s]) part in the selector\n // Emotion 10 client-side inserted styles did not have data-s (but importantly did not have a space in their data-emotion attributes)\n // so checking for the space ensures that loading Emotion 11 after Emotion 10 has inserted some styles\n // will not result in the Emotion 10 styles being destroyed\n var dataEmotionAttribute = node.getAttribute('data-emotion');\n\n if (dataEmotionAttribute.indexOf(' ') === -1) {\n return;\n }\n document.head.appendChild(node);\n node.setAttribute('data-s', '');\n });\n }\n\n var stylisPlugins = options.stylisPlugins || defaultStylisPlugins;\n\n if (process.env.NODE_ENV !== 'production') {\n // $FlowFixMe\n if (/[^a-z-]/.test(key)) {\n throw new Error(\"Emotion key must only contain lower case alphabetical characters and - but \\\"\" + key + \"\\\" was passed\");\n }\n }\n\n var inserted = {};\n var container;\n var nodesToHydrate = [];\n\n {\n container = options.container || document.head;\n Array.prototype.forEach.call( // this means we will ignore elements which don't have a space in them which\n // means that the style elements we're looking at are only Emotion 11 server-rendered style elements\n document.querySelectorAll(\"style[data-emotion^=\\\"\" + key + \" \\\"]\"), function (node) {\n var attrib = node.getAttribute(\"data-emotion\").split(' '); // $FlowFixMe\n\n for (var i = 1; i < attrib.length; i++) {\n inserted[attrib[i]] = true;\n }\n\n nodesToHydrate.push(node);\n });\n }\n\n var _insert;\n\n var omnipresentPlugins = [compat, removeLabel];\n\n if (process.env.NODE_ENV !== 'production') {\n omnipresentPlugins.push(createUnsafeSelectorsAlarm({\n get compat() {\n return cache.compat;\n }\n\n }), incorrectImportAlarm);\n }\n\n {\n var currentSheet;\n var finalizingPlugins = [stringify, process.env.NODE_ENV !== 'production' ? function (element) {\n if (!element.root) {\n if (element[\"return\"]) {\n currentSheet.insert(element[\"return\"]);\n } else if (element.value && element.type !== COMMENT) {\n // insert empty rule in non-production environments\n // so @emotion/jest can grab `key` from the (JS)DOM for caches without any rules inserted yet\n currentSheet.insert(element.value + \"{}\");\n }\n }\n } : rulesheet(function (rule) {\n currentSheet.insert(rule);\n })];\n var serializer = middleware(omnipresentPlugins.concat(stylisPlugins, finalizingPlugins));\n\n var stylis = function stylis(styles) {\n return serialize(compile(styles), serializer);\n };\n\n _insert = function insert(selector, serialized, sheet, shouldCache) {\n currentSheet = sheet;\n\n if (process.env.NODE_ENV !== 'production' && serialized.map !== undefined) {\n currentSheet = {\n insert: function insert(rule) {\n sheet.insert(rule + serialized.map);\n }\n };\n }\n\n stylis(selector ? selector + \"{\" + serialized.styles + \"}\" : serialized.styles);\n\n if (shouldCache) {\n cache.inserted[serialized.name] = true;\n }\n };\n }\n\n var cache = {\n key: key,\n sheet: new StyleSheet({\n key: key,\n container: container,\n nonce: options.nonce,\n speedy: options.speedy,\n prepend: options.prepend,\n insertionPoint: options.insertionPoint\n }),\n nonce: options.nonce,\n inserted: inserted,\n registered: {},\n insert: _insert\n };\n cache.sheet.hydrate(nodesToHydrate);\n return cache;\n};\n\nexport default createCache;\n","var isBrowser = \"object\" !== 'undefined';\nfunction getRegisteredStyles(registered, registeredStyles, classNames) {\n var rawClassName = '';\n classNames.split(' ').forEach(function (className) {\n if (registered[className] !== undefined) {\n registeredStyles.push(registered[className] + \";\");\n } else {\n rawClassName += className + \" \";\n }\n });\n return rawClassName;\n}\nvar registerStyles = function registerStyles(cache, serialized, isStringTag) {\n var className = cache.key + \"-\" + serialized.name;\n\n if ( // we only need to add the styles to the registered cache if the\n // class name could be used further down\n // the tree but if it's a string tag, we know it won't\n // so we don't have to add it to registered cache.\n // this improves memory usage since we can avoid storing the whole style string\n (isStringTag === false || // we need to always store it if we're in compat mode and\n // in node since emotion-server relies on whether a style is in\n // the registered cache to know whether a style is global or not\n // also, note that this check will be dead code eliminated in the browser\n isBrowser === false ) && cache.registered[className] === undefined) {\n cache.registered[className] = serialized.styles;\n }\n};\nvar insertStyles = function insertStyles(cache, serialized, isStringTag) {\n registerStyles(cache, serialized, isStringTag);\n var className = cache.key + \"-\" + serialized.name;\n\n if (cache.inserted[serialized.name] === undefined) {\n var current = serialized;\n\n do {\n var maybeStyles = cache.insert(serialized === current ? \".\" + className : '', current, cache.sheet, true);\n\n current = current.next;\n } while (current !== undefined);\n }\n};\n\nexport { getRegisteredStyles, insertStyles, registerStyles };\n","/* eslint-disable */\n// Inspired by https://github.com/garycourt/murmurhash-js\n// Ported from https://github.com/aappleby/smhasher/blob/61a0530f28277f2e850bfc39600ce61d02b518de/src/MurmurHash2.cpp#L37-L86\nfunction murmur2(str) {\n // 'm' and 'r' are mixing constants generated offline.\n // They're not really 'magic', they just happen to work well.\n // const m = 0x5bd1e995;\n // const r = 24;\n // Initialize the hash\n var h = 0; // Mix 4 bytes at a time into the hash\n\n var k,\n i = 0,\n len = str.length;\n\n for (; len >= 4; ++i, len -= 4) {\n k = str.charCodeAt(i) & 0xff | (str.charCodeAt(++i) & 0xff) << 8 | (str.charCodeAt(++i) & 0xff) << 16 | (str.charCodeAt(++i) & 0xff) << 24;\n k =\n /* Math.imul(k, m): */\n (k & 0xffff) * 0x5bd1e995 + ((k >>> 16) * 0xe995 << 16);\n k ^=\n /* k >>> r: */\n k >>> 24;\n h =\n /* Math.imul(k, m): */\n (k & 0xffff) * 0x5bd1e995 + ((k >>> 16) * 0xe995 << 16) ^\n /* Math.imul(h, m): */\n (h & 0xffff) * 0x5bd1e995 + ((h >>> 16) * 0xe995 << 16);\n } // Handle the last few bytes of the input array\n\n\n switch (len) {\n case 3:\n h ^= (str.charCodeAt(i + 2) & 0xff) << 16;\n\n case 2:\n h ^= (str.charCodeAt(i + 1) & 0xff) << 8;\n\n case 1:\n h ^= str.charCodeAt(i) & 0xff;\n h =\n /* Math.imul(h, m): */\n (h & 0xffff) * 0x5bd1e995 + ((h >>> 16) * 0xe995 << 16);\n } // Do a few final mixes of the hash to ensure the last few\n // bytes are well-incorporated.\n\n\n h ^= h >>> 13;\n h =\n /* Math.imul(h, m): */\n (h & 0xffff) * 0x5bd1e995 + ((h >>> 16) * 0xe995 << 16);\n return ((h ^ h >>> 15) >>> 0).toString(36);\n}\n\nexport default murmur2;\n","var unitlessKeys = {\n animationIterationCount: 1,\n borderImageOutset: 1,\n borderImageSlice: 1,\n borderImageWidth: 1,\n boxFlex: 1,\n boxFlexGroup: 1,\n boxOrdinalGroup: 1,\n columnCount: 1,\n columns: 1,\n flex: 1,\n flexGrow: 1,\n flexPositive: 1,\n flexShrink: 1,\n flexNegative: 1,\n flexOrder: 1,\n gridRow: 1,\n gridRowEnd: 1,\n gridRowSpan: 1,\n gridRowStart: 1,\n gridColumn: 1,\n gridColumnEnd: 1,\n gridColumnSpan: 1,\n gridColumnStart: 1,\n msGridRow: 1,\n msGridRowSpan: 1,\n msGridColumn: 1,\n msGridColumnSpan: 1,\n fontWeight: 1,\n lineHeight: 1,\n opacity: 1,\n order: 1,\n orphans: 1,\n tabSize: 1,\n widows: 1,\n zIndex: 1,\n zoom: 1,\n WebkitLineClamp: 1,\n // SVG-related properties\n fillOpacity: 1,\n floodOpacity: 1,\n stopOpacity: 1,\n strokeDasharray: 1,\n strokeDashoffset: 1,\n strokeMiterlimit: 1,\n strokeOpacity: 1,\n strokeWidth: 1\n};\n\nexport default unitlessKeys;\n","function memoize(fn) {\n var cache = Object.create(null);\n return function (arg) {\n if (cache[arg] === undefined) cache[arg] = fn(arg);\n return cache[arg];\n };\n}\n\nexport default memoize;\n","import hashString from '@emotion/hash';\nimport unitless from '@emotion/unitless';\nimport memoize from '@emotion/memoize';\n\nvar ILLEGAL_ESCAPE_SEQUENCE_ERROR = \"You have illegal escape sequence in your template literal, most likely inside content's property value.\\nBecause you write your CSS inside a JavaScript string you actually have to do double escaping, so for example \\\"content: '\\\\00d7';\\\" should become \\\"content: '\\\\\\\\00d7';\\\".\\nYou can read more about this here:\\nhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals#ES2018_revision_of_illegal_escape_sequences\";\nvar UNDEFINED_AS_OBJECT_KEY_ERROR = \"You have passed in falsy value as style object's key (can happen when in example you pass unexported component as computed key).\";\nvar hyphenateRegex = /[A-Z]|^ms/g;\nvar animationRegex = /_EMO_([^_]+?)_([^]*?)_EMO_/g;\n\nvar isCustomProperty = function isCustomProperty(property) {\n return property.charCodeAt(1) === 45;\n};\n\nvar isProcessableValue = function isProcessableValue(value) {\n return value != null && typeof value !== 'boolean';\n};\n\nvar processStyleName = /* #__PURE__ */memoize(function (styleName) {\n return isCustomProperty(styleName) ? styleName : styleName.replace(hyphenateRegex, '-$&').toLowerCase();\n});\n\nvar processStyleValue = function processStyleValue(key, value) {\n switch (key) {\n case 'animation':\n case 'animationName':\n {\n if (typeof value === 'string') {\n return value.replace(animationRegex, function (match, p1, p2) {\n cursor = {\n name: p1,\n styles: p2,\n next: cursor\n };\n return p1;\n });\n }\n }\n }\n\n if (unitless[key] !== 1 && !isCustomProperty(key) && typeof value === 'number' && value !== 0) {\n return value + 'px';\n }\n\n return value;\n};\n\nif (process.env.NODE_ENV !== 'production') {\n var contentValuePattern = /(var|attr|counters?|url|(((repeating-)?(linear|radial))|conic)-gradient)\\(|(no-)?(open|close)-quote/;\n var contentValues = ['normal', 'none', 'initial', 'inherit', 'unset'];\n var oldProcessStyleValue = processStyleValue;\n var msPattern = /^-ms-/;\n var hyphenPattern = /-(.)/g;\n var hyphenatedCache = {};\n\n processStyleValue = function processStyleValue(key, value) {\n if (key === 'content') {\n if (typeof value !== 'string' || contentValues.indexOf(value) === -1 && !contentValuePattern.test(value) && (value.charAt(0) !== value.charAt(value.length - 1) || value.charAt(0) !== '\"' && value.charAt(0) !== \"'\")) {\n throw new Error(\"You seem to be using a value for 'content' without quotes, try replacing it with `content: '\\\"\" + value + \"\\\"'`\");\n }\n }\n\n var processed = oldProcessStyleValue(key, value);\n\n if (processed !== '' && !isCustomProperty(key) && key.indexOf('-') !== -1 && hyphenatedCache[key] === undefined) {\n hyphenatedCache[key] = true;\n console.error(\"Using kebab-case for css properties in objects is not supported. Did you mean \" + key.replace(msPattern, 'ms-').replace(hyphenPattern, function (str, _char) {\n return _char.toUpperCase();\n }) + \"?\");\n }\n\n return processed;\n };\n}\n\nvar noComponentSelectorMessage = 'Component selectors can only be used in conjunction with ' + '@emotion/babel-plugin, the swc Emotion plugin, or another Emotion-aware ' + 'compiler transform.';\n\nfunction handleInterpolation(mergedProps, registered, interpolation) {\n if (interpolation == null) {\n return '';\n }\n\n if (interpolation.__emotion_styles !== undefined) {\n if (process.env.NODE_ENV !== 'production' && interpolation.toString() === 'NO_COMPONENT_SELECTOR') {\n throw new Error(noComponentSelectorMessage);\n }\n\n return interpolation;\n }\n\n switch (typeof interpolation) {\n case 'boolean':\n {\n return '';\n }\n\n case 'object':\n {\n if (interpolation.anim === 1) {\n cursor = {\n name: interpolation.name,\n styles: interpolation.styles,\n next: cursor\n };\n return interpolation.name;\n }\n\n if (interpolation.styles !== undefined) {\n var next = interpolation.next;\n\n if (next !== undefined) {\n // not the most efficient thing ever but this is a pretty rare case\n // and there will be very few iterations of this generally\n while (next !== undefined) {\n cursor = {\n name: next.name,\n styles: next.styles,\n next: cursor\n };\n next = next.next;\n }\n }\n\n var styles = interpolation.styles + \";\";\n\n if (process.env.NODE_ENV !== 'production' && interpolation.map !== undefined) {\n styles += interpolation.map;\n }\n\n return styles;\n }\n\n return createStringFromObject(mergedProps, registered, interpolation);\n }\n\n case 'function':\n {\n if (mergedProps !== undefined) {\n var previousCursor = cursor;\n var result = interpolation(mergedProps);\n cursor = previousCursor;\n return handleInterpolation(mergedProps, registered, result);\n } else if (process.env.NODE_ENV !== 'production') {\n console.error('Functions that are interpolated in css calls will be stringified.\\n' + 'If you want to have a css call based on props, create a function that returns a css call like this\\n' + 'let dynamicStyle = (props) => css`color: ${props.color}`\\n' + 'It can be called directly with props or interpolated in a styled call like this\\n' + \"let SomeComponent = styled('div')`${dynamicStyle}`\");\n }\n\n break;\n }\n\n case 'string':\n if (process.env.NODE_ENV !== 'production') {\n var matched = [];\n var replaced = interpolation.replace(animationRegex, function (match, p1, p2) {\n var fakeVarName = \"animation\" + matched.length;\n matched.push(\"const \" + fakeVarName + \" = keyframes`\" + p2.replace(/^@keyframes animation-\\w+/, '') + \"`\");\n return \"${\" + fakeVarName + \"}\";\n });\n\n if (matched.length) {\n console.error('`keyframes` output got interpolated into plain string, please wrap it with `css`.\\n\\n' + 'Instead of doing this:\\n\\n' + [].concat(matched, [\"`\" + replaced + \"`\"]).join('\\n') + '\\n\\nYou should wrap it with `css` like this:\\n\\n' + (\"css`\" + replaced + \"`\"));\n }\n }\n\n break;\n } // finalize string values (regular strings and functions interpolated into css calls)\n\n\n if (registered == null) {\n return interpolation;\n }\n\n var cached = registered[interpolation];\n return cached !== undefined ? cached : interpolation;\n}\n\nfunction createStringFromObject(mergedProps, registered, obj) {\n var string = '';\n\n if (Array.isArray(obj)) {\n for (var i = 0; i < obj.length; i++) {\n string += handleInterpolation(mergedProps, registered, obj[i]) + \";\";\n }\n } else {\n for (var _key in obj) {\n var value = obj[_key];\n\n if (typeof value !== 'object') {\n if (registered != null && registered[value] !== undefined) {\n string += _key + \"{\" + registered[value] + \"}\";\n } else if (isProcessableValue(value)) {\n string += processStyleName(_key) + \":\" + processStyleValue(_key, value) + \";\";\n }\n } else {\n if (_key === 'NO_COMPONENT_SELECTOR' && process.env.NODE_ENV !== 'production') {\n throw new Error(noComponentSelectorMessage);\n }\n\n if (Array.isArray(value) && typeof value[0] === 'string' && (registered == null || registered[value[0]] === undefined)) {\n for (var _i = 0; _i < value.length; _i++) {\n if (isProcessableValue(value[_i])) {\n string += processStyleName(_key) + \":\" + processStyleValue(_key, value[_i]) + \";\";\n }\n }\n } else {\n var interpolated = handleInterpolation(mergedProps, registered, value);\n\n switch (_key) {\n case 'animation':\n case 'animationName':\n {\n string += processStyleName(_key) + \":\" + interpolated + \";\";\n break;\n }\n\n default:\n {\n if (process.env.NODE_ENV !== 'production' && _key === 'undefined') {\n console.error(UNDEFINED_AS_OBJECT_KEY_ERROR);\n }\n\n string += _key + \"{\" + interpolated + \"}\";\n }\n }\n }\n }\n }\n }\n\n return string;\n}\n\nvar labelPattern = /label:\\s*([^\\s;\\n{]+)\\s*(;|$)/g;\nvar sourceMapPattern;\n\nif (process.env.NODE_ENV !== 'production') {\n sourceMapPattern = /\\/\\*#\\ssourceMappingURL=data:application\\/json;\\S+\\s+\\*\\//g;\n} // this is the cursor for keyframes\n// keyframes are stored on the SerializedStyles object as a linked list\n\n\nvar cursor;\nvar serializeStyles = function serializeStyles(args, registered, mergedProps) {\n if (args.length === 1 && typeof args[0] === 'object' && args[0] !== null && args[0].styles !== undefined) {\n return args[0];\n }\n\n var stringMode = true;\n var styles = '';\n cursor = undefined;\n var strings = args[0];\n\n if (strings == null || strings.raw === undefined) {\n stringMode = false;\n styles += handleInterpolation(mergedProps, registered, strings);\n } else {\n if (process.env.NODE_ENV !== 'production' && strings[0] === undefined) {\n console.error(ILLEGAL_ESCAPE_SEQUENCE_ERROR);\n }\n\n styles += strings[0];\n } // we start at 1 since we've already handled the first arg\n\n\n for (var i = 1; i < args.length; i++) {\n styles += handleInterpolation(mergedProps, registered, args[i]);\n\n if (stringMode) {\n if (process.env.NODE_ENV !== 'production' && strings[i] === undefined) {\n console.error(ILLEGAL_ESCAPE_SEQUENCE_ERROR);\n }\n\n styles += strings[i];\n }\n }\n\n var sourceMap;\n\n if (process.env.NODE_ENV !== 'production') {\n styles = styles.replace(sourceMapPattern, function (match) {\n sourceMap = match;\n return '';\n });\n } // using a global regex with .exec is stateful so lastIndex has to be reset each time\n\n\n labelPattern.lastIndex = 0;\n var identifierName = '';\n var match; // https://esbench.com/bench/5b809c2cf2949800a0f61fb5\n\n while ((match = labelPattern.exec(styles)) !== null) {\n identifierName += '-' + // $FlowFixMe we know it's not null\n match[1];\n }\n\n var name = hashString(styles) + identifierName;\n\n if (process.env.NODE_ENV !== 'production') {\n // $FlowFixMe SerializedStyles type doesn't have toString property (and we don't want to add it)\n return {\n name: name,\n styles: styles,\n map: sourceMap,\n next: cursor,\n toString: function toString() {\n return \"You have tried to stringify object returned from `css` function. It isn't supposed to be used directly (e.g. as value of the `className` prop), but rather handed to emotion so it can handle it (e.g. as value of `css` prop).\";\n }\n };\n }\n\n return {\n name: name,\n styles: styles,\n next: cursor\n };\n};\n\nexport { serializeStyles };\n","import * as React from 'react';\nimport { createContext, useContext, forwardRef, createElement, Fragment } from 'react';\nimport createCache from '@emotion/cache';\nimport _extends from '@babel/runtime/helpers/esm/extends';\nimport weakMemoize from '@emotion/weak-memoize';\nimport hoistNonReactStatics from '../_isolated-hnrs/dist/emotion-react-_isolated-hnrs.browser.esm.js';\nimport { getRegisteredStyles, registerStyles, insertStyles } from '@emotion/utils';\nimport { serializeStyles } from '@emotion/serialize';\n\nvar hasOwnProperty = {}.hasOwnProperty;\n\nvar EmotionCacheContext = /* #__PURE__ */createContext( // we're doing this to avoid preconstruct's dead code elimination in this one case\n// because this module is primarily intended for the browser and node\n// but it's also required in react native and similar environments sometimes\n// and we could have a special build just for that\n// but this is much easier and the native packages\n// might use a different theme context in the future anyway\ntypeof HTMLElement !== 'undefined' ? /* #__PURE__ */createCache({\n key: 'css'\n}) : null);\n\nif (process.env.NODE_ENV !== 'production') {\n EmotionCacheContext.displayName = 'EmotionCacheContext';\n}\n\nvar CacheProvider = EmotionCacheContext.Provider;\nvar __unsafe_useEmotionCache = function useEmotionCache() {\n return useContext(EmotionCacheContext);\n};\n\nvar withEmotionCache = function withEmotionCache(func) {\n // $FlowFixMe\n return /*#__PURE__*/forwardRef(function (props, ref) {\n // the cache will never be null in the browser\n var cache = useContext(EmotionCacheContext);\n return func(props, cache, ref);\n });\n};\n\nvar ThemeContext = /* #__PURE__ */createContext({});\n\nif (process.env.NODE_ENV !== 'production') {\n ThemeContext.displayName = 'EmotionThemeContext';\n}\n\nvar useTheme = function useTheme() {\n return useContext(ThemeContext);\n};\n\nvar getTheme = function getTheme(outerTheme, theme) {\n if (typeof theme === 'function') {\n var mergedTheme = theme(outerTheme);\n\n if (process.env.NODE_ENV !== 'production' && (mergedTheme == null || typeof mergedTheme !== 'object' || Array.isArray(mergedTheme))) {\n throw new Error('[ThemeProvider] Please return an object from your theme function, i.e. theme={() => ({})}!');\n }\n\n return mergedTheme;\n }\n\n if (process.env.NODE_ENV !== 'production' && (theme == null || typeof theme !== 'object' || Array.isArray(theme))) {\n throw new Error('[ThemeProvider] Please make your theme prop a plain object');\n }\n\n return _extends({}, outerTheme, theme);\n};\n\nvar createCacheWithTheme = /* #__PURE__ */weakMemoize(function (outerTheme) {\n return weakMemoize(function (theme) {\n return getTheme(outerTheme, theme);\n });\n});\nvar ThemeProvider = function ThemeProvider(props) {\n var theme = useContext(ThemeContext);\n\n if (props.theme !== theme) {\n theme = createCacheWithTheme(theme)(props.theme);\n }\n\n return /*#__PURE__*/createElement(ThemeContext.Provider, {\n value: theme\n }, props.children);\n};\nfunction withTheme(Component) {\n var componentName = Component.displayName || Component.name || 'Component';\n\n var render = function render(props, ref) {\n var theme = useContext(ThemeContext);\n return /*#__PURE__*/createElement(Component, _extends({\n theme: theme,\n ref: ref\n }, props));\n }; // $FlowFixMe\n\n\n var WithTheme = /*#__PURE__*/forwardRef(render);\n WithTheme.displayName = \"WithTheme(\" + componentName + \")\";\n return hoistNonReactStatics(WithTheme, Component);\n}\n\nvar getLastPart = function getLastPart(functionName) {\n // The match may be something like 'Object.createEmotionProps' or\n // 'Loader.prototype.render'\n var parts = functionName.split('.');\n return parts[parts.length - 1];\n};\n\nvar getFunctionNameFromStackTraceLine = function getFunctionNameFromStackTraceLine(line) {\n // V8\n var match = /^\\s+at\\s+([A-Za-z0-9$.]+)\\s/.exec(line);\n if (match) return getLastPart(match[1]); // Safari / Firefox\n\n match = /^([A-Za-z0-9$.]+)@/.exec(line);\n if (match) return getLastPart(match[1]);\n return undefined;\n};\n\nvar internalReactFunctionNames = /* #__PURE__ */new Set(['renderWithHooks', 'processChild', 'finishClassComponent', 'renderToString']); // These identifiers come from error stacks, so they have to be valid JS\n// identifiers, thus we only need to replace what is a valid character for JS,\n// but not for CSS.\n\nvar sanitizeIdentifier = function sanitizeIdentifier(identifier) {\n return identifier.replace(/\\$/g, '-');\n};\n\nvar getLabelFromStackTrace = function getLabelFromStackTrace(stackTrace) {\n if (!stackTrace) return undefined;\n var lines = stackTrace.split('\\n');\n\n for (var i = 0; i < lines.length; i++) {\n var functionName = getFunctionNameFromStackTraceLine(lines[i]); // The first line of V8 stack traces is just \"Error\"\n\n if (!functionName) continue; // If we reach one of these, we have gone too far and should quit\n\n if (internalReactFunctionNames.has(functionName)) break; // The component name is the first function in the stack that starts with an\n // uppercase letter\n\n if (/^[A-Z]/.test(functionName)) return sanitizeIdentifier(functionName);\n }\n\n return undefined;\n};\n\nvar useInsertionEffect = React['useInsertion' + 'Effect'] ? React['useInsertion' + 'Effect'] : function useInsertionEffect(create) {\n create();\n};\nfunction useInsertionEffectMaybe(create) {\n\n useInsertionEffect(create);\n}\n\nvar typePropName = '__EMOTION_TYPE_PLEASE_DO_NOT_USE__';\nvar labelPropName = '__EMOTION_LABEL_PLEASE_DO_NOT_USE__';\nvar createEmotionProps = function createEmotionProps(type, props) {\n if (process.env.NODE_ENV !== 'production' && typeof props.css === 'string' && // check if there is a css declaration\n props.css.indexOf(':') !== -1) {\n throw new Error(\"Strings are not allowed as css prop values, please wrap it in a css template literal from '@emotion/react' like this: css`\" + props.css + \"`\");\n }\n\n var newProps = {};\n\n for (var key in props) {\n if (hasOwnProperty.call(props, key)) {\n newProps[key] = props[key];\n }\n }\n\n newProps[typePropName] = type; // For performance, only call getLabelFromStackTrace in development and when\n // the label hasn't already been computed\n\n if (process.env.NODE_ENV !== 'production' && !!props.css && (typeof props.css !== 'object' || typeof props.css.name !== 'string' || props.css.name.indexOf('-') === -1)) {\n var label = getLabelFromStackTrace(new Error().stack);\n if (label) newProps[labelPropName] = label;\n }\n\n return newProps;\n};\n\nvar Insertion = function Insertion(_ref) {\n var cache = _ref.cache,\n serialized = _ref.serialized,\n isStringTag = _ref.isStringTag;\n registerStyles(cache, serialized, isStringTag);\n var rules = useInsertionEffectMaybe(function () {\n return insertStyles(cache, serialized, isStringTag);\n });\n\n return null;\n};\n\nvar Emotion = /* #__PURE__ */withEmotionCache(function (props, cache, ref) {\n var cssProp = props.css; // so that using `css` from `emotion` and passing the result to the css prop works\n // not passing the registered cache to serializeStyles because it would\n // make certain babel optimisations not possible\n\n if (typeof cssProp === 'string' && cache.registered[cssProp] !== undefined) {\n cssProp = cache.registered[cssProp];\n }\n\n var WrappedComponent = props[typePropName];\n var registeredStyles = [cssProp];\n var className = '';\n\n if (typeof props.className === 'string') {\n className = getRegisteredStyles(cache.registered, registeredStyles, props.className);\n } else if (props.className != null) {\n className = props.className + \" \";\n }\n\n var serialized = serializeStyles(registeredStyles, undefined, useContext(ThemeContext));\n\n if (process.env.NODE_ENV !== 'production' && serialized.name.indexOf('-') === -1) {\n var labelFromStack = props[labelPropName];\n\n if (labelFromStack) {\n serialized = serializeStyles([serialized, 'label:' + labelFromStack + ';']);\n }\n }\n\n className += cache.key + \"-\" + serialized.name;\n var newProps = {};\n\n for (var key in props) {\n if (hasOwnProperty.call(props, key) && key !== 'css' && key !== typePropName && (process.env.NODE_ENV === 'production' || key !== labelPropName)) {\n newProps[key] = props[key];\n }\n }\n\n newProps.ref = ref;\n newProps.className = className;\n return /*#__PURE__*/createElement(Fragment, null, /*#__PURE__*/createElement(Insertion, {\n cache: cache,\n serialized: serialized,\n isStringTag: typeof WrappedComponent === 'string'\n }), /*#__PURE__*/createElement(WrappedComponent, newProps));\n});\n\nif (process.env.NODE_ENV !== 'production') {\n Emotion.displayName = 'EmotionCssPropInternal';\n}\n\nexport { CacheProvider as C, Emotion as E, ThemeContext as T, __unsafe_useEmotionCache as _, useTheme as a, ThemeProvider as b, createEmotionProps as c, withTheme as d, hasOwnProperty as h, useInsertionEffectMaybe as u, withEmotionCache as w };\n","import * as React from 'react';\nimport { createElement, useLayoutEffect, useContext, useRef, Fragment } from 'react';\nimport '@emotion/cache';\nimport { h as hasOwnProperty, E as Emotion, c as createEmotionProps, w as withEmotionCache, T as ThemeContext, u as useInsertionEffectMaybe } from './emotion-element-cbed451f.browser.esm.js';\nexport { C as CacheProvider, T as ThemeContext, b as ThemeProvider, _ as __unsafe_useEmotionCache, a as useTheme, w as withEmotionCache, d as withTheme } from './emotion-element-cbed451f.browser.esm.js';\nimport '@babel/runtime/helpers/extends';\nimport '@emotion/weak-memoize';\nimport 'hoist-non-react-statics';\nimport '../_isolated-hnrs/dist/emotion-react-_isolated-hnrs.browser.esm.js';\nimport { insertStyles, registerStyles, getRegisteredStyles } from '@emotion/utils';\nimport { serializeStyles } from '@emotion/serialize';\n\nvar pkg = {\n\tname: \"@emotion/react\",\n\tversion: \"11.10.0\",\n\tmain: \"dist/emotion-react.cjs.js\",\n\tmodule: \"dist/emotion-react.esm.js\",\n\tbrowser: {\n\t\t\"./dist/emotion-react.esm.js\": \"./dist/emotion-react.browser.esm.js\"\n\t},\n\texports: {\n\t\t\".\": {\n\t\t\tmodule: {\n\t\t\t\tworker: \"./dist/emotion-react.worker.esm.js\",\n\t\t\t\tbrowser: \"./dist/emotion-react.browser.esm.js\",\n\t\t\t\t\"default\": \"./dist/emotion-react.esm.js\"\n\t\t\t},\n\t\t\t\"default\": \"./dist/emotion-react.cjs.js\"\n\t\t},\n\t\t\"./jsx-runtime\": {\n\t\t\tmodule: {\n\t\t\t\tworker: \"./jsx-runtime/dist/emotion-react-jsx-runtime.worker.esm.js\",\n\t\t\t\tbrowser: \"./jsx-runtime/dist/emotion-react-jsx-runtime.browser.esm.js\",\n\t\t\t\t\"default\": \"./jsx-runtime/dist/emotion-react-jsx-runtime.esm.js\"\n\t\t\t},\n\t\t\t\"default\": \"./jsx-runtime/dist/emotion-react-jsx-runtime.cjs.js\"\n\t\t},\n\t\t\"./_isolated-hnrs\": {\n\t\t\tmodule: {\n\t\t\t\tworker: \"./_isolated-hnrs/dist/emotion-react-_isolated-hnrs.worker.esm.js\",\n\t\t\t\tbrowser: \"./_isolated-hnrs/dist/emotion-react-_isolated-hnrs.browser.esm.js\",\n\t\t\t\t\"default\": \"./_isolated-hnrs/dist/emotion-react-_isolated-hnrs.esm.js\"\n\t\t\t},\n\t\t\t\"default\": \"./_isolated-hnrs/dist/emotion-react-_isolated-hnrs.cjs.js\"\n\t\t},\n\t\t\"./jsx-dev-runtime\": {\n\t\t\tmodule: {\n\t\t\t\tworker: \"./jsx-dev-runtime/dist/emotion-react-jsx-dev-runtime.worker.esm.js\",\n\t\t\t\tbrowser: \"./jsx-dev-runtime/dist/emotion-react-jsx-dev-runtime.browser.esm.js\",\n\t\t\t\t\"default\": \"./jsx-dev-runtime/dist/emotion-react-jsx-dev-runtime.esm.js\"\n\t\t\t},\n\t\t\t\"default\": \"./jsx-dev-runtime/dist/emotion-react-jsx-dev-runtime.cjs.js\"\n\t\t},\n\t\t\"./package.json\": \"./package.json\",\n\t\t\"./types/css-prop\": \"./types/css-prop.d.ts\",\n\t\t\"./macro\": \"./macro.js\"\n\t},\n\ttypes: \"types/index.d.ts\",\n\tfiles: [\n\t\t\"src\",\n\t\t\"dist\",\n\t\t\"jsx-runtime\",\n\t\t\"jsx-dev-runtime\",\n\t\t\"_isolated-hnrs\",\n\t\t\"types/*.d.ts\",\n\t\t\"macro.js\",\n\t\t\"macro.d.ts\",\n\t\t\"macro.js.flow\"\n\t],\n\tsideEffects: false,\n\tauthor: \"Emotion Contributors\",\n\tlicense: \"MIT\",\n\tscripts: {\n\t\t\"test:typescript\": \"dtslint types\"\n\t},\n\tdependencies: {\n\t\t\"@babel/runtime\": \"^7.18.3\",\n\t\t\"@emotion/babel-plugin\": \"^11.10.0\",\n\t\t\"@emotion/cache\": \"^11.10.0\",\n\t\t\"@emotion/serialize\": \"^1.1.0\",\n\t\t\"@emotion/utils\": \"^1.2.0\",\n\t\t\"@emotion/weak-memoize\": \"^0.3.0\",\n\t\t\"hoist-non-react-statics\": \"^3.3.1\"\n\t},\n\tpeerDependencies: {\n\t\t\"@babel/core\": \"^7.0.0\",\n\t\treact: \">=16.8.0\"\n\t},\n\tpeerDependenciesMeta: {\n\t\t\"@babel/core\": {\n\t\t\toptional: true\n\t\t},\n\t\t\"@types/react\": {\n\t\t\toptional: true\n\t\t}\n\t},\n\tdevDependencies: {\n\t\t\"@babel/core\": \"^7.18.5\",\n\t\t\"@definitelytyped/dtslint\": \"0.0.112\",\n\t\t\"@emotion/css\": \"11.10.0\",\n\t\t\"@emotion/css-prettifier\": \"1.1.0\",\n\t\t\"@emotion/server\": \"11.10.0\",\n\t\t\"@emotion/styled\": \"11.10.0\",\n\t\t\"html-tag-names\": \"^1.1.2\",\n\t\treact: \"16.14.0\",\n\t\t\"svg-tag-names\": \"^1.1.1\",\n\t\ttypescript: \"^4.5.5\"\n\t},\n\trepository: \"https://github.com/emotion-js/emotion/tree/main/packages/react\",\n\tpublishConfig: {\n\t\taccess: \"public\"\n\t},\n\t\"umd:main\": \"dist/emotion-react.umd.min.js\",\n\tpreconstruct: {\n\t\tentrypoints: [\n\t\t\t\"./index.js\",\n\t\t\t\"./jsx-runtime.js\",\n\t\t\t\"./jsx-dev-runtime.js\",\n\t\t\t\"./_isolated-hnrs.js\"\n\t\t],\n\t\tumdName: \"emotionReact\",\n\t\texports: {\n\t\t\tenvConditions: [\n\t\t\t\t\"browser\",\n\t\t\t\t\"worker\"\n\t\t\t],\n\t\t\textra: {\n\t\t\t\t\"./types/css-prop\": \"./types/css-prop.d.ts\",\n\t\t\t\t\"./macro\": \"./macro.js\"\n\t\t\t}\n\t\t}\n\t}\n};\n\nvar jsx = function jsx(type, props) {\n var args = arguments;\n\n if (props == null || !hasOwnProperty.call(props, 'css')) {\n // $FlowFixMe\n return createElement.apply(undefined, args);\n }\n\n var argsLength = args.length;\n var createElementArgArray = new Array(argsLength);\n createElementArgArray[0] = Emotion;\n createElementArgArray[1] = createEmotionProps(type, props);\n\n for (var i = 2; i < argsLength; i++) {\n createElementArgArray[i] = args[i];\n } // $FlowFixMe\n\n\n return createElement.apply(null, createElementArgArray);\n};\n\nvar useInsertionEffect = React['useInsertion' + 'Effect'] ? React['useInsertion' + 'Effect'] : useLayoutEffect;\nvar warnedAboutCssPropForGlobal = false; // maintain place over rerenders.\n// initial render from browser, insertBefore context.sheet.tags[0] or if a style hasn't been inserted there yet, appendChild\n// initial client-side render from SSR, use place of hydrating tag\n\nvar Global = /* #__PURE__ */withEmotionCache(function (props, cache) {\n if (process.env.NODE_ENV !== 'production' && !warnedAboutCssPropForGlobal && ( // check for className as well since the user is\n // probably using the custom createElement which\n // means it will be turned into a className prop\n // $FlowFixMe I don't really want to add it to the type since it shouldn't be used\n props.className || props.css)) {\n console.error(\"It looks like you're using the css prop on Global, did you mean to use the styles prop instead?\");\n warnedAboutCssPropForGlobal = true;\n }\n\n var styles = props.styles;\n var serialized = serializeStyles([styles], undefined, useContext(ThemeContext));\n // but it is based on a constant that will never change at runtime\n // it's effectively like having two implementations and switching them out\n // so it's not actually breaking anything\n\n\n var sheetRef = useRef();\n useInsertionEffect(function () {\n var key = cache.key + \"-global\"; // use case of https://github.com/emotion-js/emotion/issues/2675\n\n var sheet = new cache.sheet.constructor({\n key: key,\n nonce: cache.sheet.nonce,\n container: cache.sheet.container,\n speedy: cache.sheet.isSpeedy\n });\n var rehydrating = false; // $FlowFixMe\n\n var node = document.querySelector(\"style[data-emotion=\\\"\" + key + \" \" + serialized.name + \"\\\"]\");\n\n if (cache.sheet.tags.length) {\n sheet.before = cache.sheet.tags[0];\n }\n\n if (node !== null) {\n rehydrating = true; // clear the hash so this node won't be recognizable as rehydratable by other s\n\n node.setAttribute('data-emotion', key);\n sheet.hydrate([node]);\n }\n\n sheetRef.current = [sheet, rehydrating];\n return function () {\n sheet.flush();\n };\n }, [cache]);\n useInsertionEffect(function () {\n var sheetRefCurrent = sheetRef.current;\n var sheet = sheetRefCurrent[0],\n rehydrating = sheetRefCurrent[1];\n\n if (rehydrating) {\n sheetRefCurrent[1] = false;\n return;\n }\n\n if (serialized.next !== undefined) {\n // insert keyframes\n insertStyles(cache, serialized.next, true);\n }\n\n if (sheet.tags.length) {\n // if this doesn't exist then it will be null so the style element will be appended\n var element = sheet.tags[sheet.tags.length - 1].nextElementSibling;\n sheet.before = element;\n sheet.flush();\n }\n\n cache.insert(\"\", serialized, sheet, false);\n }, [cache, serialized.name]);\n return null;\n});\n\nif (process.env.NODE_ENV !== 'production') {\n Global.displayName = 'EmotionGlobal';\n}\n\nfunction css() {\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n return serializeStyles(args);\n}\n\nvar keyframes = function keyframes() {\n var insertable = css.apply(void 0, arguments);\n var name = \"animation-\" + insertable.name; // $FlowFixMe\n\n return {\n name: name,\n styles: \"@keyframes \" + name + \"{\" + insertable.styles + \"}\",\n anim: 1,\n toString: function toString() {\n return \"_EMO_\" + this.name + \"_\" + this.styles + \"_EMO_\";\n }\n };\n};\n\nvar classnames = function classnames(args) {\n var len = args.length;\n var i = 0;\n var cls = '';\n\n for (; i < len; i++) {\n var arg = args[i];\n if (arg == null) continue;\n var toAdd = void 0;\n\n switch (typeof arg) {\n case 'boolean':\n break;\n\n case 'object':\n {\n if (Array.isArray(arg)) {\n toAdd = classnames(arg);\n } else {\n if (process.env.NODE_ENV !== 'production' && arg.styles !== undefined && arg.name !== undefined) {\n console.error('You have passed styles created with `css` from `@emotion/react` package to the `cx`.\\n' + '`cx` is meant to compose class names (strings) so you should convert those styles to a class name by passing them to the `css` received from component.');\n }\n\n toAdd = '';\n\n for (var k in arg) {\n if (arg[k] && k) {\n toAdd && (toAdd += ' ');\n toAdd += k;\n }\n }\n }\n\n break;\n }\n\n default:\n {\n toAdd = arg;\n }\n }\n\n if (toAdd) {\n cls && (cls += ' ');\n cls += toAdd;\n }\n }\n\n return cls;\n};\n\nfunction merge(registered, css, className) {\n var registeredStyles = [];\n var rawClassName = getRegisteredStyles(registered, registeredStyles, className);\n\n if (registeredStyles.length < 2) {\n return className;\n }\n\n return rawClassName + css(registeredStyles);\n}\n\nvar Insertion = function Insertion(_ref) {\n var cache = _ref.cache,\n serializedArr = _ref.serializedArr;\n var rules = useInsertionEffectMaybe(function () {\n\n for (var i = 0; i < serializedArr.length; i++) {\n var res = insertStyles(cache, serializedArr[i], false);\n }\n });\n\n return null;\n};\n\nvar ClassNames = /* #__PURE__ */withEmotionCache(function (props, cache) {\n var hasRendered = false;\n var serializedArr = [];\n\n var css = function css() {\n if (hasRendered && process.env.NODE_ENV !== 'production') {\n throw new Error('css can only be used during render');\n }\n\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n var serialized = serializeStyles(args, cache.registered);\n serializedArr.push(serialized); // registration has to happen here as the result of this might get consumed by `cx`\n\n registerStyles(cache, serialized, false);\n return cache.key + \"-\" + serialized.name;\n };\n\n var cx = function cx() {\n if (hasRendered && process.env.NODE_ENV !== 'production') {\n throw new Error('cx can only be used during render');\n }\n\n for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n args[_key2] = arguments[_key2];\n }\n\n return merge(cache.registered, css, classnames(args));\n };\n\n var content = {\n css: css,\n cx: cx,\n theme: useContext(ThemeContext)\n };\n var ele = props.children(content);\n hasRendered = true;\n return /*#__PURE__*/createElement(Fragment, null, /*#__PURE__*/createElement(Insertion, {\n cache: cache,\n serializedArr: serializedArr\n }), ele);\n});\n\nif (process.env.NODE_ENV !== 'production') {\n ClassNames.displayName = 'EmotionClassNames';\n}\n\nif (process.env.NODE_ENV !== 'production') {\n var isBrowser = \"object\" !== 'undefined'; // #1727 for some reason Jest evaluates modules twice if some consuming module gets mocked with jest.mock\n\n var isJest = typeof jest !== 'undefined';\n\n if (isBrowser && !isJest) {\n // globalThis has wide browser support - https://caniuse.com/?search=globalThis, Node.js 12 and later\n var globalContext = // $FlowIgnore\n typeof globalThis !== 'undefined' ? globalThis // eslint-disable-line no-undef\n : isBrowser ? window : global;\n var globalKey = \"__EMOTION_REACT_\" + pkg.version.split('.')[0] + \"__\";\n\n if (globalContext[globalKey]) {\n console.warn('You are loading @emotion/react when it is already loaded. Running ' + 'multiple instances may cause problems. This can happen if multiple ' + 'versions are used, or if multiple builds of the same version are ' + 'used.');\n }\n\n globalContext[globalKey] = true;\n }\n}\n\nexport { ClassNames, Global, jsx as createElement, css, jsx, keyframes };\n","import objectWithoutPropertiesLoose from \"./objectWithoutPropertiesLoose.js\";\nexport default function _objectWithoutProperties(source, excluded) {\n if (source == null) return {};\n var target = objectWithoutPropertiesLoose(source, excluded);\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}","export default function _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}","export default function _taggedTemplateLiteral(strings, raw) {\n if (!raw) {\n raw = strings.slice(0);\n }\n\n return Object.freeze(Object.defineProperties(strings, {\n raw: {\n value: Object.freeze(raw)\n }\n }));\n}","import { a as _objectSpread2 } from './index-a7690a33.esm.js';\nimport _slicedToArray from '@babel/runtime/helpers/esm/slicedToArray';\nimport _objectWithoutProperties from '@babel/runtime/helpers/esm/objectWithoutProperties';\nimport { useState, useCallback } from 'react';\n\nvar _excluded = [\"defaultInputValue\", \"defaultMenuIsOpen\", \"defaultValue\", \"inputValue\", \"menuIsOpen\", \"onChange\", \"onInputChange\", \"onMenuClose\", \"onMenuOpen\", \"value\"];\nfunction useStateManager(_ref) {\n var _ref$defaultInputValu = _ref.defaultInputValue,\n defaultInputValue = _ref$defaultInputValu === void 0 ? '' : _ref$defaultInputValu,\n _ref$defaultMenuIsOpe = _ref.defaultMenuIsOpen,\n defaultMenuIsOpen = _ref$defaultMenuIsOpe === void 0 ? false : _ref$defaultMenuIsOpe,\n _ref$defaultValue = _ref.defaultValue,\n defaultValue = _ref$defaultValue === void 0 ? null : _ref$defaultValue,\n propsInputValue = _ref.inputValue,\n propsMenuIsOpen = _ref.menuIsOpen,\n propsOnChange = _ref.onChange,\n propsOnInputChange = _ref.onInputChange,\n propsOnMenuClose = _ref.onMenuClose,\n propsOnMenuOpen = _ref.onMenuOpen,\n propsValue = _ref.value,\n restSelectProps = _objectWithoutProperties(_ref, _excluded);\n\n var _useState = useState(propsInputValue !== undefined ? propsInputValue : defaultInputValue),\n _useState2 = _slicedToArray(_useState, 2),\n stateInputValue = _useState2[0],\n setStateInputValue = _useState2[1];\n\n var _useState3 = useState(propsMenuIsOpen !== undefined ? propsMenuIsOpen : defaultMenuIsOpen),\n _useState4 = _slicedToArray(_useState3, 2),\n stateMenuIsOpen = _useState4[0],\n setStateMenuIsOpen = _useState4[1];\n\n var _useState5 = useState(propsValue !== undefined ? propsValue : defaultValue),\n _useState6 = _slicedToArray(_useState5, 2),\n stateValue = _useState6[0],\n setStateValue = _useState6[1];\n\n var onChange = useCallback(function (value, actionMeta) {\n if (typeof propsOnChange === 'function') {\n propsOnChange(value, actionMeta);\n }\n\n setStateValue(value);\n }, [propsOnChange]);\n var onInputChange = useCallback(function (value, actionMeta) {\n var newValue;\n\n if (typeof propsOnInputChange === 'function') {\n newValue = propsOnInputChange(value, actionMeta);\n }\n\n setStateInputValue(newValue !== undefined ? newValue : value);\n }, [propsOnInputChange]);\n var onMenuOpen = useCallback(function () {\n if (typeof propsOnMenuOpen === 'function') {\n propsOnMenuOpen();\n }\n\n setStateMenuIsOpen(true);\n }, [propsOnMenuOpen]);\n var onMenuClose = useCallback(function () {\n if (typeof propsOnMenuClose === 'function') {\n propsOnMenuClose();\n }\n\n setStateMenuIsOpen(false);\n }, [propsOnMenuClose]);\n var inputValue = propsInputValue !== undefined ? propsInputValue : stateInputValue;\n var menuIsOpen = propsMenuIsOpen !== undefined ? propsMenuIsOpen : stateMenuIsOpen;\n var value = propsValue !== undefined ? propsValue : stateValue;\n return _objectSpread2(_objectSpread2({}, restSelectProps), {}, {\n inputValue: inputValue,\n menuIsOpen: menuIsOpen,\n onChange: onChange,\n onInputChange: onInputChange,\n onMenuClose: onMenuClose,\n onMenuOpen: onMenuOpen,\n value: value\n });\n}\n\nexport { useStateManager as u };\n","var safeIsNaN = Number.isNaN ||\n function ponyfill(value) {\n return typeof value === 'number' && value !== value;\n };\nfunction isEqual(first, second) {\n if (first === second) {\n return true;\n }\n if (safeIsNaN(first) && safeIsNaN(second)) {\n return true;\n }\n return false;\n}\nfunction areInputsEqual(newInputs, lastInputs) {\n if (newInputs.length !== lastInputs.length) {\n return false;\n }\n for (var i = 0; i < newInputs.length; i++) {\n if (!isEqual(newInputs[i], lastInputs[i])) {\n return false;\n }\n }\n return true;\n}\n\nfunction memoizeOne(resultFn, isEqual) {\n if (isEqual === void 0) { isEqual = areInputsEqual; }\n var lastThis;\n var lastArgs = [];\n var lastResult;\n var calledOnce = false;\n function memoized() {\n var newArgs = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n newArgs[_i] = arguments[_i];\n }\n if (calledOnce && lastThis === this && isEqual(newArgs, lastArgs)) {\n return lastResult;\n }\n lastResult = resultFn.apply(this, newArgs);\n calledOnce = true;\n lastThis = this;\n lastArgs = newArgs;\n return lastResult;\n }\n return memoized;\n}\n\nexport default memoizeOne;\n","import { u as useStateManager } from './useStateManager-68425271.esm.js';\nexport { u as useStateManager } from './useStateManager-68425271.esm.js';\nimport _extends from '@babel/runtime/helpers/esm/extends';\nimport * as React from 'react';\nimport { forwardRef, Component } from 'react';\nimport { S as Select } from './Select-54ac8379.esm.js';\nexport { c as createFilter, d as defaultTheme, m as mergeStyles } from './Select-54ac8379.esm.js';\nimport _classCallCheck from '@babel/runtime/helpers/esm/classCallCheck';\nimport _createClass from '@babel/runtime/helpers/esm/createClass';\nimport _inherits from '@babel/runtime/helpers/esm/inherits';\nimport { _ as _createSuper } from './index-a7690a33.esm.js';\nexport { c as components } from './index-a7690a33.esm.js';\nimport { CacheProvider } from '@emotion/react';\nimport createCache from '@emotion/cache';\nimport memoizeOne from 'memoize-one';\nimport '@babel/runtime/helpers/slicedToArray';\nimport '@babel/runtime/helpers/objectWithoutProperties';\nimport '@babel/runtime/helpers/toConsumableArray';\nimport '@babel/runtime/helpers/taggedTemplateLiteral';\nimport '@babel/runtime/helpers/typeof';\nimport '@babel/runtime/helpers/defineProperty';\nimport 'react-dom';\n\nvar StateManagedSelect = /*#__PURE__*/forwardRef(function (props, ref) {\n var baseSelectProps = useStateManager(props);\n return /*#__PURE__*/React.createElement(Select, _extends({\n ref: ref\n }, baseSelectProps));\n});\n\nvar NonceProvider = /*#__PURE__*/function (_Component) {\n _inherits(NonceProvider, _Component);\n\n var _super = _createSuper(NonceProvider);\n\n function NonceProvider(props) {\n var _this;\n\n _classCallCheck(this, NonceProvider);\n\n _this = _super.call(this, props);\n\n _this.createEmotionCache = function (nonce, key) {\n return createCache({\n nonce: nonce,\n key: key\n });\n };\n\n _this.createEmotionCache = memoizeOne(_this.createEmotionCache);\n return _this;\n }\n\n _createClass(NonceProvider, [{\n key: \"render\",\n value: function render() {\n var emotionCache = this.createEmotionCache(this.props.nonce, this.props.cacheKey);\n return /*#__PURE__*/React.createElement(CacheProvider, {\n value: emotionCache\n }, this.props.children);\n }\n }]);\n\n return NonceProvider;\n}(Component);\n\nexport default StateManagedSelect;\nexport { NonceProvider };\n","import getPrototypeOf from \"./getPrototypeOf.js\";\nexport default function _superPropBase(object, property) {\n while (!Object.prototype.hasOwnProperty.call(object, property)) {\n object = getPrototypeOf(object);\n if (object === null) break;\n }\n\n return object;\n}","import superPropBase from \"./superPropBase.js\";\nexport default function _get() {\n if (typeof Reflect !== \"undefined\" && Reflect.get) {\n _get = Reflect.get.bind();\n } else {\n _get = function _get(target, property, receiver) {\n var base = superPropBase(target, property);\n if (!base) return;\n var desc = Object.getOwnPropertyDescriptor(base, property);\n\n if (desc.get) {\n return desc.get.call(arguments.length < 3 ? target : receiver);\n }\n\n return desc.value;\n };\n }\n\n return _get.apply(this, arguments);\n}","/*!\n * Chart.js v3.9.1\n * https://www.chartjs.org\n * (c) 2022 Chart.js Contributors\n * Released under the MIT License\n */\nfunction noop() {}\nconst uid = (function() {\n let id = 0;\n return function() {\n return id++;\n };\n}());\nfunction isNullOrUndef(value) {\n return value === null || typeof value === 'undefined';\n}\nfunction isArray(value) {\n if (Array.isArray && Array.isArray(value)) {\n return true;\n }\n const type = Object.prototype.toString.call(value);\n if (type.slice(0, 7) === '[object' && type.slice(-6) === 'Array]') {\n return true;\n }\n return false;\n}\nfunction isObject(value) {\n return value !== null && Object.prototype.toString.call(value) === '[object Object]';\n}\nconst isNumberFinite = (value) => (typeof value === 'number' || value instanceof Number) && isFinite(+value);\nfunction finiteOrDefault(value, defaultValue) {\n return isNumberFinite(value) ? value : defaultValue;\n}\nfunction valueOrDefault(value, defaultValue) {\n return typeof value === 'undefined' ? defaultValue : value;\n}\nconst toPercentage = (value, dimension) =>\n typeof value === 'string' && value.endsWith('%') ?\n parseFloat(value) / 100\n : value / dimension;\nconst toDimension = (value, dimension) =>\n typeof value === 'string' && value.endsWith('%') ?\n parseFloat(value) / 100 * dimension\n : +value;\nfunction callback(fn, args, thisArg) {\n if (fn && typeof fn.call === 'function') {\n return fn.apply(thisArg, args);\n }\n}\nfunction each(loopable, fn, thisArg, reverse) {\n let i, len, keys;\n if (isArray(loopable)) {\n len = loopable.length;\n if (reverse) {\n for (i = len - 1; i >= 0; i--) {\n fn.call(thisArg, loopable[i], i);\n }\n } else {\n for (i = 0; i < len; i++) {\n fn.call(thisArg, loopable[i], i);\n }\n }\n } else if (isObject(loopable)) {\n keys = Object.keys(loopable);\n len = keys.length;\n for (i = 0; i < len; i++) {\n fn.call(thisArg, loopable[keys[i]], keys[i]);\n }\n }\n}\nfunction _elementsEqual(a0, a1) {\n let i, ilen, v0, v1;\n if (!a0 || !a1 || a0.length !== a1.length) {\n return false;\n }\n for (i = 0, ilen = a0.length; i < ilen; ++i) {\n v0 = a0[i];\n v1 = a1[i];\n if (v0.datasetIndex !== v1.datasetIndex || v0.index !== v1.index) {\n return false;\n }\n }\n return true;\n}\nfunction clone$1(source) {\n if (isArray(source)) {\n return source.map(clone$1);\n }\n if (isObject(source)) {\n const target = Object.create(null);\n const keys = Object.keys(source);\n const klen = keys.length;\n let k = 0;\n for (; k < klen; ++k) {\n target[keys[k]] = clone$1(source[keys[k]]);\n }\n return target;\n }\n return source;\n}\nfunction isValidKey(key) {\n return ['__proto__', 'prototype', 'constructor'].indexOf(key) === -1;\n}\nfunction _merger(key, target, source, options) {\n if (!isValidKey(key)) {\n return;\n }\n const tval = target[key];\n const sval = source[key];\n if (isObject(tval) && isObject(sval)) {\n merge(tval, sval, options);\n } else {\n target[key] = clone$1(sval);\n }\n}\nfunction merge(target, source, options) {\n const sources = isArray(source) ? source : [source];\n const ilen = sources.length;\n if (!isObject(target)) {\n return target;\n }\n options = options || {};\n const merger = options.merger || _merger;\n for (let i = 0; i < ilen; ++i) {\n source = sources[i];\n if (!isObject(source)) {\n continue;\n }\n const keys = Object.keys(source);\n for (let k = 0, klen = keys.length; k < klen; ++k) {\n merger(keys[k], target, source, options);\n }\n }\n return target;\n}\nfunction mergeIf(target, source) {\n return merge(target, source, {merger: _mergerIf});\n}\nfunction _mergerIf(key, target, source) {\n if (!isValidKey(key)) {\n return;\n }\n const tval = target[key];\n const sval = source[key];\n if (isObject(tval) && isObject(sval)) {\n mergeIf(tval, sval);\n } else if (!Object.prototype.hasOwnProperty.call(target, key)) {\n target[key] = clone$1(sval);\n }\n}\nfunction _deprecated(scope, value, previous, current) {\n if (value !== undefined) {\n console.warn(scope + ': \"' + previous +\n\t\t\t'\" is deprecated. Please use \"' + current + '\" instead');\n }\n}\nconst keyResolvers = {\n '': v => v,\n x: o => o.x,\n y: o => o.y\n};\nfunction resolveObjectKey(obj, key) {\n const resolver = keyResolvers[key] || (keyResolvers[key] = _getKeyResolver(key));\n return resolver(obj);\n}\nfunction _getKeyResolver(key) {\n const keys = _splitKey(key);\n return obj => {\n for (const k of keys) {\n if (k === '') {\n break;\n }\n obj = obj && obj[k];\n }\n return obj;\n };\n}\nfunction _splitKey(key) {\n const parts = key.split('.');\n const keys = [];\n let tmp = '';\n for (const part of parts) {\n tmp += part;\n if (tmp.endsWith('\\\\')) {\n tmp = tmp.slice(0, -1) + '.';\n } else {\n keys.push(tmp);\n tmp = '';\n }\n }\n return keys;\n}\nfunction _capitalize(str) {\n return str.charAt(0).toUpperCase() + str.slice(1);\n}\nconst defined = (value) => typeof value !== 'undefined';\nconst isFunction = (value) => typeof value === 'function';\nconst setsEqual = (a, b) => {\n if (a.size !== b.size) {\n return false;\n }\n for (const item of a) {\n if (!b.has(item)) {\n return false;\n }\n }\n return true;\n};\nfunction _isClickEvent(e) {\n return e.type === 'mouseup' || e.type === 'click' || e.type === 'contextmenu';\n}\n\nconst PI = Math.PI;\nconst TAU = 2 * PI;\nconst PITAU = TAU + PI;\nconst INFINITY = Number.POSITIVE_INFINITY;\nconst RAD_PER_DEG = PI / 180;\nconst HALF_PI = PI / 2;\nconst QUARTER_PI = PI / 4;\nconst TWO_THIRDS_PI = PI * 2 / 3;\nconst log10 = Math.log10;\nconst sign = Math.sign;\nfunction niceNum(range) {\n const roundedRange = Math.round(range);\n range = almostEquals(range, roundedRange, range / 1000) ? roundedRange : range;\n const niceRange = Math.pow(10, Math.floor(log10(range)));\n const fraction = range / niceRange;\n const niceFraction = fraction <= 1 ? 1 : fraction <= 2 ? 2 : fraction <= 5 ? 5 : 10;\n return niceFraction * niceRange;\n}\nfunction _factorize(value) {\n const result = [];\n const sqrt = Math.sqrt(value);\n let i;\n for (i = 1; i < sqrt; i++) {\n if (value % i === 0) {\n result.push(i);\n result.push(value / i);\n }\n }\n if (sqrt === (sqrt | 0)) {\n result.push(sqrt);\n }\n result.sort((a, b) => a - b).pop();\n return result;\n}\nfunction isNumber(n) {\n return !isNaN(parseFloat(n)) && isFinite(n);\n}\nfunction almostEquals(x, y, epsilon) {\n return Math.abs(x - y) < epsilon;\n}\nfunction almostWhole(x, epsilon) {\n const rounded = Math.round(x);\n return ((rounded - epsilon) <= x) && ((rounded + epsilon) >= x);\n}\nfunction _setMinAndMaxByKey(array, target, property) {\n let i, ilen, value;\n for (i = 0, ilen = array.length; i < ilen; i++) {\n value = array[i][property];\n if (!isNaN(value)) {\n target.min = Math.min(target.min, value);\n target.max = Math.max(target.max, value);\n }\n }\n}\nfunction toRadians(degrees) {\n return degrees * (PI / 180);\n}\nfunction toDegrees(radians) {\n return radians * (180 / PI);\n}\nfunction _decimalPlaces(x) {\n if (!isNumberFinite(x)) {\n return;\n }\n let e = 1;\n let p = 0;\n while (Math.round(x * e) / e !== x) {\n e *= 10;\n p++;\n }\n return p;\n}\nfunction getAngleFromPoint(centrePoint, anglePoint) {\n const distanceFromXCenter = anglePoint.x - centrePoint.x;\n const distanceFromYCenter = anglePoint.y - centrePoint.y;\n const radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter);\n let angle = Math.atan2(distanceFromYCenter, distanceFromXCenter);\n if (angle < (-0.5 * PI)) {\n angle += TAU;\n }\n return {\n angle,\n distance: radialDistanceFromCenter\n };\n}\nfunction distanceBetweenPoints(pt1, pt2) {\n return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2));\n}\nfunction _angleDiff(a, b) {\n return (a - b + PITAU) % TAU - PI;\n}\nfunction _normalizeAngle(a) {\n return (a % TAU + TAU) % TAU;\n}\nfunction _angleBetween(angle, start, end, sameAngleIsFullCircle) {\n const a = _normalizeAngle(angle);\n const s = _normalizeAngle(start);\n const e = _normalizeAngle(end);\n const angleToStart = _normalizeAngle(s - a);\n const angleToEnd = _normalizeAngle(e - a);\n const startToAngle = _normalizeAngle(a - s);\n const endToAngle = _normalizeAngle(a - e);\n return a === s || a === e || (sameAngleIsFullCircle && s === e)\n || (angleToStart > angleToEnd && startToAngle < endToAngle);\n}\nfunction _limitValue(value, min, max) {\n return Math.max(min, Math.min(max, value));\n}\nfunction _int16Range(value) {\n return _limitValue(value, -32768, 32767);\n}\nfunction _isBetween(value, start, end, epsilon = 1e-6) {\n return value >= Math.min(start, end) - epsilon && value <= Math.max(start, end) + epsilon;\n}\n\nfunction _lookup(table, value, cmp) {\n cmp = cmp || ((index) => table[index] < value);\n let hi = table.length - 1;\n let lo = 0;\n let mid;\n while (hi - lo > 1) {\n mid = (lo + hi) >> 1;\n if (cmp(mid)) {\n lo = mid;\n } else {\n hi = mid;\n }\n }\n return {lo, hi};\n}\nconst _lookupByKey = (table, key, value, last) =>\n _lookup(table, value, last\n ? index => table[index][key] <= value\n : index => table[index][key] < value);\nconst _rlookupByKey = (table, key, value) =>\n _lookup(table, value, index => table[index][key] >= value);\nfunction _filterBetween(values, min, max) {\n let start = 0;\n let end = values.length;\n while (start < end && values[start] < min) {\n start++;\n }\n while (end > start && values[end - 1] > max) {\n end--;\n }\n return start > 0 || end < values.length\n ? values.slice(start, end)\n : values;\n}\nconst arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift'];\nfunction listenArrayEvents(array, listener) {\n if (array._chartjs) {\n array._chartjs.listeners.push(listener);\n return;\n }\n Object.defineProperty(array, '_chartjs', {\n configurable: true,\n enumerable: false,\n value: {\n listeners: [listener]\n }\n });\n arrayEvents.forEach((key) => {\n const method = '_onData' + _capitalize(key);\n const base = array[key];\n Object.defineProperty(array, key, {\n configurable: true,\n enumerable: false,\n value(...args) {\n const res = base.apply(this, args);\n array._chartjs.listeners.forEach((object) => {\n if (typeof object[method] === 'function') {\n object[method](...args);\n }\n });\n return res;\n }\n });\n });\n}\nfunction unlistenArrayEvents(array, listener) {\n const stub = array._chartjs;\n if (!stub) {\n return;\n }\n const listeners = stub.listeners;\n const index = listeners.indexOf(listener);\n if (index !== -1) {\n listeners.splice(index, 1);\n }\n if (listeners.length > 0) {\n return;\n }\n arrayEvents.forEach((key) => {\n delete array[key];\n });\n delete array._chartjs;\n}\nfunction _arrayUnique(items) {\n const set = new Set();\n let i, ilen;\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n set.add(items[i]);\n }\n if (set.size === ilen) {\n return items;\n }\n return Array.from(set);\n}\n\nfunction fontString(pixelSize, fontStyle, fontFamily) {\n return fontStyle + ' ' + pixelSize + 'px ' + fontFamily;\n}\nconst requestAnimFrame = (function() {\n if (typeof window === 'undefined') {\n return function(callback) {\n return callback();\n };\n }\n return window.requestAnimationFrame;\n}());\nfunction throttled(fn, thisArg, updateFn) {\n const updateArgs = updateFn || ((args) => Array.prototype.slice.call(args));\n let ticking = false;\n let args = [];\n return function(...rest) {\n args = updateArgs(rest);\n if (!ticking) {\n ticking = true;\n requestAnimFrame.call(window, () => {\n ticking = false;\n fn.apply(thisArg, args);\n });\n }\n };\n}\nfunction debounce(fn, delay) {\n let timeout;\n return function(...args) {\n if (delay) {\n clearTimeout(timeout);\n timeout = setTimeout(fn, delay, args);\n } else {\n fn.apply(this, args);\n }\n return delay;\n };\n}\nconst _toLeftRightCenter = (align) => align === 'start' ? 'left' : align === 'end' ? 'right' : 'center';\nconst _alignStartEnd = (align, start, end) => align === 'start' ? start : align === 'end' ? end : (start + end) / 2;\nconst _textX = (align, left, right, rtl) => {\n const check = rtl ? 'left' : 'right';\n return align === check ? right : align === 'center' ? (left + right) / 2 : left;\n};\nfunction _getStartAndCountOfVisiblePoints(meta, points, animationsDisabled) {\n const pointCount = points.length;\n let start = 0;\n let count = pointCount;\n if (meta._sorted) {\n const {iScale, _parsed} = meta;\n const axis = iScale.axis;\n const {min, max, minDefined, maxDefined} = iScale.getUserBounds();\n if (minDefined) {\n start = _limitValue(Math.min(\n _lookupByKey(_parsed, iScale.axis, min).lo,\n animationsDisabled ? pointCount : _lookupByKey(points, axis, iScale.getPixelForValue(min)).lo),\n 0, pointCount - 1);\n }\n if (maxDefined) {\n count = _limitValue(Math.max(\n _lookupByKey(_parsed, iScale.axis, max, true).hi + 1,\n animationsDisabled ? 0 : _lookupByKey(points, axis, iScale.getPixelForValue(max), true).hi + 1),\n start, pointCount) - start;\n } else {\n count = pointCount - start;\n }\n }\n return {start, count};\n}\nfunction _scaleRangesChanged(meta) {\n const {xScale, yScale, _scaleRanges} = meta;\n const newRanges = {\n xmin: xScale.min,\n xmax: xScale.max,\n ymin: yScale.min,\n ymax: yScale.max\n };\n if (!_scaleRanges) {\n meta._scaleRanges = newRanges;\n return true;\n }\n const changed = _scaleRanges.xmin !== xScale.min\n\t\t|| _scaleRanges.xmax !== xScale.max\n\t\t|| _scaleRanges.ymin !== yScale.min\n\t\t|| _scaleRanges.ymax !== yScale.max;\n Object.assign(_scaleRanges, newRanges);\n return changed;\n}\n\nconst atEdge = (t) => t === 0 || t === 1;\nconst elasticIn = (t, s, p) => -(Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * TAU / p));\nconst elasticOut = (t, s, p) => Math.pow(2, -10 * t) * Math.sin((t - s) * TAU / p) + 1;\nconst effects = {\n linear: t => t,\n easeInQuad: t => t * t,\n easeOutQuad: t => -t * (t - 2),\n easeInOutQuad: t => ((t /= 0.5) < 1)\n ? 0.5 * t * t\n : -0.5 * ((--t) * (t - 2) - 1),\n easeInCubic: t => t * t * t,\n easeOutCubic: t => (t -= 1) * t * t + 1,\n easeInOutCubic: t => ((t /= 0.5) < 1)\n ? 0.5 * t * t * t\n : 0.5 * ((t -= 2) * t * t + 2),\n easeInQuart: t => t * t * t * t,\n easeOutQuart: t => -((t -= 1) * t * t * t - 1),\n easeInOutQuart: t => ((t /= 0.5) < 1)\n ? 0.5 * t * t * t * t\n : -0.5 * ((t -= 2) * t * t * t - 2),\n easeInQuint: t => t * t * t * t * t,\n easeOutQuint: t => (t -= 1) * t * t * t * t + 1,\n easeInOutQuint: t => ((t /= 0.5) < 1)\n ? 0.5 * t * t * t * t * t\n : 0.5 * ((t -= 2) * t * t * t * t + 2),\n easeInSine: t => -Math.cos(t * HALF_PI) + 1,\n easeOutSine: t => Math.sin(t * HALF_PI),\n easeInOutSine: t => -0.5 * (Math.cos(PI * t) - 1),\n easeInExpo: t => (t === 0) ? 0 : Math.pow(2, 10 * (t - 1)),\n easeOutExpo: t => (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1,\n easeInOutExpo: t => atEdge(t) ? t : t < 0.5\n ? 0.5 * Math.pow(2, 10 * (t * 2 - 1))\n : 0.5 * (-Math.pow(2, -10 * (t * 2 - 1)) + 2),\n easeInCirc: t => (t >= 1) ? t : -(Math.sqrt(1 - t * t) - 1),\n easeOutCirc: t => Math.sqrt(1 - (t -= 1) * t),\n easeInOutCirc: t => ((t /= 0.5) < 1)\n ? -0.5 * (Math.sqrt(1 - t * t) - 1)\n : 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1),\n easeInElastic: t => atEdge(t) ? t : elasticIn(t, 0.075, 0.3),\n easeOutElastic: t => atEdge(t) ? t : elasticOut(t, 0.075, 0.3),\n easeInOutElastic(t) {\n const s = 0.1125;\n const p = 0.45;\n return atEdge(t) ? t :\n t < 0.5\n ? 0.5 * elasticIn(t * 2, s, p)\n : 0.5 + 0.5 * elasticOut(t * 2 - 1, s, p);\n },\n easeInBack(t) {\n const s = 1.70158;\n return t * t * ((s + 1) * t - s);\n },\n easeOutBack(t) {\n const s = 1.70158;\n return (t -= 1) * t * ((s + 1) * t + s) + 1;\n },\n easeInOutBack(t) {\n let s = 1.70158;\n if ((t /= 0.5) < 1) {\n return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s));\n }\n return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2);\n },\n easeInBounce: t => 1 - effects.easeOutBounce(1 - t),\n easeOutBounce(t) {\n const m = 7.5625;\n const d = 2.75;\n if (t < (1 / d)) {\n return m * t * t;\n }\n if (t < (2 / d)) {\n return m * (t -= (1.5 / d)) * t + 0.75;\n }\n if (t < (2.5 / d)) {\n return m * (t -= (2.25 / d)) * t + 0.9375;\n }\n return m * (t -= (2.625 / d)) * t + 0.984375;\n },\n easeInOutBounce: t => (t < 0.5)\n ? effects.easeInBounce(t * 2) * 0.5\n : effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5,\n};\n\n/*!\n * @kurkle/color v0.2.1\n * https://github.com/kurkle/color#readme\n * (c) 2022 Jukka Kurkela\n * Released under the MIT License\n */\nfunction round(v) {\n return v + 0.5 | 0;\n}\nconst lim = (v, l, h) => Math.max(Math.min(v, h), l);\nfunction p2b(v) {\n return lim(round(v * 2.55), 0, 255);\n}\nfunction n2b(v) {\n return lim(round(v * 255), 0, 255);\n}\nfunction b2n(v) {\n return lim(round(v / 2.55) / 100, 0, 1);\n}\nfunction n2p(v) {\n return lim(round(v * 100), 0, 100);\n}\nconst map$1 = {0: 0, 1: 1, 2: 2, 3: 3, 4: 4, 5: 5, 6: 6, 7: 7, 8: 8, 9: 9, A: 10, B: 11, C: 12, D: 13, E: 14, F: 15, a: 10, b: 11, c: 12, d: 13, e: 14, f: 15};\nconst hex = [...'0123456789ABCDEF'];\nconst h1 = b => hex[b & 0xF];\nconst h2 = b => hex[(b & 0xF0) >> 4] + hex[b & 0xF];\nconst eq = b => ((b & 0xF0) >> 4) === (b & 0xF);\nconst isShort = v => eq(v.r) && eq(v.g) && eq(v.b) && eq(v.a);\nfunction hexParse(str) {\n var len = str.length;\n var ret;\n if (str[0] === '#') {\n if (len === 4 || len === 5) {\n ret = {\n r: 255 & map$1[str[1]] * 17,\n g: 255 & map$1[str[2]] * 17,\n b: 255 & map$1[str[3]] * 17,\n a: len === 5 ? map$1[str[4]] * 17 : 255\n };\n } else if (len === 7 || len === 9) {\n ret = {\n r: map$1[str[1]] << 4 | map$1[str[2]],\n g: map$1[str[3]] << 4 | map$1[str[4]],\n b: map$1[str[5]] << 4 | map$1[str[6]],\n a: len === 9 ? (map$1[str[7]] << 4 | map$1[str[8]]) : 255\n };\n }\n }\n return ret;\n}\nconst alpha = (a, f) => a < 255 ? f(a) : '';\nfunction hexString(v) {\n var f = isShort(v) ? h1 : h2;\n return v\n ? '#' + f(v.r) + f(v.g) + f(v.b) + alpha(v.a, f)\n : undefined;\n}\nconst HUE_RE = /^(hsla?|hwb|hsv)\\(\\s*([-+.e\\d]+)(?:deg)?[\\s,]+([-+.e\\d]+)%[\\s,]+([-+.e\\d]+)%(?:[\\s,]+([-+.e\\d]+)(%)?)?\\s*\\)$/;\nfunction hsl2rgbn(h, s, l) {\n const a = s * Math.min(l, 1 - l);\n const f = (n, k = (n + h / 30) % 12) => l - a * Math.max(Math.min(k - 3, 9 - k, 1), -1);\n return [f(0), f(8), f(4)];\n}\nfunction hsv2rgbn(h, s, v) {\n const f = (n, k = (n + h / 60) % 6) => v - v * s * Math.max(Math.min(k, 4 - k, 1), 0);\n return [f(5), f(3), f(1)];\n}\nfunction hwb2rgbn(h, w, b) {\n const rgb = hsl2rgbn(h, 1, 0.5);\n let i;\n if (w + b > 1) {\n i = 1 / (w + b);\n w *= i;\n b *= i;\n }\n for (i = 0; i < 3; i++) {\n rgb[i] *= 1 - w - b;\n rgb[i] += w;\n }\n return rgb;\n}\nfunction hueValue(r, g, b, d, max) {\n if (r === max) {\n return ((g - b) / d) + (g < b ? 6 : 0);\n }\n if (g === max) {\n return (b - r) / d + 2;\n }\n return (r - g) / d + 4;\n}\nfunction rgb2hsl(v) {\n const range = 255;\n const r = v.r / range;\n const g = v.g / range;\n const b = v.b / range;\n const max = Math.max(r, g, b);\n const min = Math.min(r, g, b);\n const l = (max + min) / 2;\n let h, s, d;\n if (max !== min) {\n d = max - min;\n s = l > 0.5 ? d / (2 - max - min) : d / (max + min);\n h = hueValue(r, g, b, d, max);\n h = h * 60 + 0.5;\n }\n return [h | 0, s || 0, l];\n}\nfunction calln(f, a, b, c) {\n return (\n Array.isArray(a)\n ? f(a[0], a[1], a[2])\n : f(a, b, c)\n ).map(n2b);\n}\nfunction hsl2rgb(h, s, l) {\n return calln(hsl2rgbn, h, s, l);\n}\nfunction hwb2rgb(h, w, b) {\n return calln(hwb2rgbn, h, w, b);\n}\nfunction hsv2rgb(h, s, v) {\n return calln(hsv2rgbn, h, s, v);\n}\nfunction hue(h) {\n return (h % 360 + 360) % 360;\n}\nfunction hueParse(str) {\n const m = HUE_RE.exec(str);\n let a = 255;\n let v;\n if (!m) {\n return;\n }\n if (m[5] !== v) {\n a = m[6] ? p2b(+m[5]) : n2b(+m[5]);\n }\n const h = hue(+m[2]);\n const p1 = +m[3] / 100;\n const p2 = +m[4] / 100;\n if (m[1] === 'hwb') {\n v = hwb2rgb(h, p1, p2);\n } else if (m[1] === 'hsv') {\n v = hsv2rgb(h, p1, p2);\n } else {\n v = hsl2rgb(h, p1, p2);\n }\n return {\n r: v[0],\n g: v[1],\n b: v[2],\n a: a\n };\n}\nfunction rotate(v, deg) {\n var h = rgb2hsl(v);\n h[0] = hue(h[0] + deg);\n h = hsl2rgb(h);\n v.r = h[0];\n v.g = h[1];\n v.b = h[2];\n}\nfunction hslString(v) {\n if (!v) {\n return;\n }\n const a = rgb2hsl(v);\n const h = a[0];\n const s = n2p(a[1]);\n const l = n2p(a[2]);\n return v.a < 255\n ? `hsla(${h}, ${s}%, ${l}%, ${b2n(v.a)})`\n : `hsl(${h}, ${s}%, ${l}%)`;\n}\nconst map = {\n x: 'dark',\n Z: 'light',\n Y: 're',\n X: 'blu',\n W: 'gr',\n V: 'medium',\n U: 'slate',\n A: 'ee',\n T: 'ol',\n S: 'or',\n B: 'ra',\n C: 'lateg',\n D: 'ights',\n R: 'in',\n Q: 'turquois',\n E: 'hi',\n P: 'ro',\n O: 'al',\n N: 'le',\n M: 'de',\n L: 'yello',\n F: 'en',\n K: 'ch',\n G: 'arks',\n H: 'ea',\n I: 'ightg',\n J: 'wh'\n};\nconst names$1 = {\n OiceXe: 'f0f8ff',\n antiquewEte: 'faebd7',\n aqua: 'ffff',\n aquamarRe: '7fffd4',\n azuY: 'f0ffff',\n beige: 'f5f5dc',\n bisque: 'ffe4c4',\n black: '0',\n blanKedOmond: 'ffebcd',\n Xe: 'ff',\n XeviTet: '8a2be2',\n bPwn: 'a52a2a',\n burlywood: 'deb887',\n caMtXe: '5f9ea0',\n KartYuse: '7fff00',\n KocTate: 'd2691e',\n cSO: 'ff7f50',\n cSnflowerXe: '6495ed',\n cSnsilk: 'fff8dc',\n crimson: 'dc143c',\n cyan: 'ffff',\n xXe: '8b',\n xcyan: '8b8b',\n xgTMnPd: 'b8860b',\n xWay: 'a9a9a9',\n xgYF: '6400',\n xgYy: 'a9a9a9',\n xkhaki: 'bdb76b',\n xmagFta: '8b008b',\n xTivegYF: '556b2f',\n xSange: 'ff8c00',\n xScEd: '9932cc',\n xYd: '8b0000',\n xsOmon: 'e9967a',\n xsHgYF: '8fbc8f',\n xUXe: '483d8b',\n xUWay: '2f4f4f',\n xUgYy: '2f4f4f',\n xQe: 'ced1',\n xviTet: '9400d3',\n dAppRk: 'ff1493',\n dApskyXe: 'bfff',\n dimWay: '696969',\n dimgYy: '696969',\n dodgerXe: '1e90ff',\n fiYbrick: 'b22222',\n flSOwEte: 'fffaf0',\n foYstWAn: '228b22',\n fuKsia: 'ff00ff',\n gaRsbSo: 'dcdcdc',\n ghostwEte: 'f8f8ff',\n gTd: 'ffd700',\n gTMnPd: 'daa520',\n Way: '808080',\n gYF: '8000',\n gYFLw: 'adff2f',\n gYy: '808080',\n honeyMw: 'f0fff0',\n hotpRk: 'ff69b4',\n RdianYd: 'cd5c5c',\n Rdigo: '4b0082',\n ivSy: 'fffff0',\n khaki: 'f0e68c',\n lavFMr: 'e6e6fa',\n lavFMrXsh: 'fff0f5',\n lawngYF: '7cfc00',\n NmoncEffon: 'fffacd',\n ZXe: 'add8e6',\n ZcSO: 'f08080',\n Zcyan: 'e0ffff',\n ZgTMnPdLw: 'fafad2',\n ZWay: 'd3d3d3',\n ZgYF: '90ee90',\n ZgYy: 'd3d3d3',\n ZpRk: 'ffb6c1',\n ZsOmon: 'ffa07a',\n ZsHgYF: '20b2aa',\n ZskyXe: '87cefa',\n ZUWay: '778899',\n ZUgYy: '778899',\n ZstAlXe: 'b0c4de',\n ZLw: 'ffffe0',\n lime: 'ff00',\n limegYF: '32cd32',\n lRF: 'faf0e6',\n magFta: 'ff00ff',\n maPon: '800000',\n VaquamarRe: '66cdaa',\n VXe: 'cd',\n VScEd: 'ba55d3',\n VpurpN: '9370db',\n VsHgYF: '3cb371',\n VUXe: '7b68ee',\n VsprRggYF: 'fa9a',\n VQe: '48d1cc',\n VviTetYd: 'c71585',\n midnightXe: '191970',\n mRtcYam: 'f5fffa',\n mistyPse: 'ffe4e1',\n moccasR: 'ffe4b5',\n navajowEte: 'ffdead',\n navy: '80',\n Tdlace: 'fdf5e6',\n Tive: '808000',\n TivedBb: '6b8e23',\n Sange: 'ffa500',\n SangeYd: 'ff4500',\n ScEd: 'da70d6',\n pOegTMnPd: 'eee8aa',\n pOegYF: '98fb98',\n pOeQe: 'afeeee',\n pOeviTetYd: 'db7093',\n papayawEp: 'ffefd5',\n pHKpuff: 'ffdab9',\n peru: 'cd853f',\n pRk: 'ffc0cb',\n plum: 'dda0dd',\n powMrXe: 'b0e0e6',\n purpN: '800080',\n YbeccapurpN: '663399',\n Yd: 'ff0000',\n Psybrown: 'bc8f8f',\n PyOXe: '4169e1',\n saddNbPwn: '8b4513',\n sOmon: 'fa8072',\n sandybPwn: 'f4a460',\n sHgYF: '2e8b57',\n sHshell: 'fff5ee',\n siFna: 'a0522d',\n silver: 'c0c0c0',\n skyXe: '87ceeb',\n UXe: '6a5acd',\n UWay: '708090',\n UgYy: '708090',\n snow: 'fffafa',\n sprRggYF: 'ff7f',\n stAlXe: '4682b4',\n tan: 'd2b48c',\n teO: '8080',\n tEstN: 'd8bfd8',\n tomato: 'ff6347',\n Qe: '40e0d0',\n viTet: 'ee82ee',\n JHt: 'f5deb3',\n wEte: 'ffffff',\n wEtesmoke: 'f5f5f5',\n Lw: 'ffff00',\n LwgYF: '9acd32'\n};\nfunction unpack() {\n const unpacked = {};\n const keys = Object.keys(names$1);\n const tkeys = Object.keys(map);\n let i, j, k, ok, nk;\n for (i = 0; i < keys.length; i++) {\n ok = nk = keys[i];\n for (j = 0; j < tkeys.length; j++) {\n k = tkeys[j];\n nk = nk.replace(k, map[k]);\n }\n k = parseInt(names$1[ok], 16);\n unpacked[nk] = [k >> 16 & 0xFF, k >> 8 & 0xFF, k & 0xFF];\n }\n return unpacked;\n}\nlet names;\nfunction nameParse(str) {\n if (!names) {\n names = unpack();\n names.transparent = [0, 0, 0, 0];\n }\n const a = names[str.toLowerCase()];\n return a && {\n r: a[0],\n g: a[1],\n b: a[2],\n a: a.length === 4 ? a[3] : 255\n };\n}\nconst RGB_RE = /^rgba?\\(\\s*([-+.\\d]+)(%)?[\\s,]+([-+.e\\d]+)(%)?[\\s,]+([-+.e\\d]+)(%)?(?:[\\s,/]+([-+.e\\d]+)(%)?)?\\s*\\)$/;\nfunction rgbParse(str) {\n const m = RGB_RE.exec(str);\n let a = 255;\n let r, g, b;\n if (!m) {\n return;\n }\n if (m[7] !== r) {\n const v = +m[7];\n a = m[8] ? p2b(v) : lim(v * 255, 0, 255);\n }\n r = +m[1];\n g = +m[3];\n b = +m[5];\n r = 255 & (m[2] ? p2b(r) : lim(r, 0, 255));\n g = 255 & (m[4] ? p2b(g) : lim(g, 0, 255));\n b = 255 & (m[6] ? p2b(b) : lim(b, 0, 255));\n return {\n r: r,\n g: g,\n b: b,\n a: a\n };\n}\nfunction rgbString(v) {\n return v && (\n v.a < 255\n ? `rgba(${v.r}, ${v.g}, ${v.b}, ${b2n(v.a)})`\n : `rgb(${v.r}, ${v.g}, ${v.b})`\n );\n}\nconst to = v => v <= 0.0031308 ? v * 12.92 : Math.pow(v, 1.0 / 2.4) * 1.055 - 0.055;\nconst from = v => v <= 0.04045 ? v / 12.92 : Math.pow((v + 0.055) / 1.055, 2.4);\nfunction interpolate(rgb1, rgb2, t) {\n const r = from(b2n(rgb1.r));\n const g = from(b2n(rgb1.g));\n const b = from(b2n(rgb1.b));\n return {\n r: n2b(to(r + t * (from(b2n(rgb2.r)) - r))),\n g: n2b(to(g + t * (from(b2n(rgb2.g)) - g))),\n b: n2b(to(b + t * (from(b2n(rgb2.b)) - b))),\n a: rgb1.a + t * (rgb2.a - rgb1.a)\n };\n}\nfunction modHSL(v, i, ratio) {\n if (v) {\n let tmp = rgb2hsl(v);\n tmp[i] = Math.max(0, Math.min(tmp[i] + tmp[i] * ratio, i === 0 ? 360 : 1));\n tmp = hsl2rgb(tmp);\n v.r = tmp[0];\n v.g = tmp[1];\n v.b = tmp[2];\n }\n}\nfunction clone(v, proto) {\n return v ? Object.assign(proto || {}, v) : v;\n}\nfunction fromObject(input) {\n var v = {r: 0, g: 0, b: 0, a: 255};\n if (Array.isArray(input)) {\n if (input.length >= 3) {\n v = {r: input[0], g: input[1], b: input[2], a: 255};\n if (input.length > 3) {\n v.a = n2b(input[3]);\n }\n }\n } else {\n v = clone(input, {r: 0, g: 0, b: 0, a: 1});\n v.a = n2b(v.a);\n }\n return v;\n}\nfunction functionParse(str) {\n if (str.charAt(0) === 'r') {\n return rgbParse(str);\n }\n return hueParse(str);\n}\nclass Color {\n constructor(input) {\n if (input instanceof Color) {\n return input;\n }\n const type = typeof input;\n let v;\n if (type === 'object') {\n v = fromObject(input);\n } else if (type === 'string') {\n v = hexParse(input) || nameParse(input) || functionParse(input);\n }\n this._rgb = v;\n this._valid = !!v;\n }\n get valid() {\n return this._valid;\n }\n get rgb() {\n var v = clone(this._rgb);\n if (v) {\n v.a = b2n(v.a);\n }\n return v;\n }\n set rgb(obj) {\n this._rgb = fromObject(obj);\n }\n rgbString() {\n return this._valid ? rgbString(this._rgb) : undefined;\n }\n hexString() {\n return this._valid ? hexString(this._rgb) : undefined;\n }\n hslString() {\n return this._valid ? hslString(this._rgb) : undefined;\n }\n mix(color, weight) {\n if (color) {\n const c1 = this.rgb;\n const c2 = color.rgb;\n let w2;\n const p = weight === w2 ? 0.5 : weight;\n const w = 2 * p - 1;\n const a = c1.a - c2.a;\n const w1 = ((w * a === -1 ? w : (w + a) / (1 + w * a)) + 1) / 2.0;\n w2 = 1 - w1;\n c1.r = 0xFF & w1 * c1.r + w2 * c2.r + 0.5;\n c1.g = 0xFF & w1 * c1.g + w2 * c2.g + 0.5;\n c1.b = 0xFF & w1 * c1.b + w2 * c2.b + 0.5;\n c1.a = p * c1.a + (1 - p) * c2.a;\n this.rgb = c1;\n }\n return this;\n }\n interpolate(color, t) {\n if (color) {\n this._rgb = interpolate(this._rgb, color._rgb, t);\n }\n return this;\n }\n clone() {\n return new Color(this.rgb);\n }\n alpha(a) {\n this._rgb.a = n2b(a);\n return this;\n }\n clearer(ratio) {\n const rgb = this._rgb;\n rgb.a *= 1 - ratio;\n return this;\n }\n greyscale() {\n const rgb = this._rgb;\n const val = round(rgb.r * 0.3 + rgb.g * 0.59 + rgb.b * 0.11);\n rgb.r = rgb.g = rgb.b = val;\n return this;\n }\n opaquer(ratio) {\n const rgb = this._rgb;\n rgb.a *= 1 + ratio;\n return this;\n }\n negate() {\n const v = this._rgb;\n v.r = 255 - v.r;\n v.g = 255 - v.g;\n v.b = 255 - v.b;\n return this;\n }\n lighten(ratio) {\n modHSL(this._rgb, 2, ratio);\n return this;\n }\n darken(ratio) {\n modHSL(this._rgb, 2, -ratio);\n return this;\n }\n saturate(ratio) {\n modHSL(this._rgb, 1, ratio);\n return this;\n }\n desaturate(ratio) {\n modHSL(this._rgb, 1, -ratio);\n return this;\n }\n rotate(deg) {\n rotate(this._rgb, deg);\n return this;\n }\n}\nfunction index_esm(input) {\n return new Color(input);\n}\n\nfunction isPatternOrGradient(value) {\n if (value && typeof value === 'object') {\n const type = value.toString();\n return type === '[object CanvasPattern]' || type === '[object CanvasGradient]';\n }\n return false;\n}\nfunction color(value) {\n return isPatternOrGradient(value) ? value : index_esm(value);\n}\nfunction getHoverColor(value) {\n return isPatternOrGradient(value)\n ? value\n : index_esm(value).saturate(0.5).darken(0.1).hexString();\n}\n\nconst overrides = Object.create(null);\nconst descriptors = Object.create(null);\nfunction getScope$1(node, key) {\n if (!key) {\n return node;\n }\n const keys = key.split('.');\n for (let i = 0, n = keys.length; i < n; ++i) {\n const k = keys[i];\n node = node[k] || (node[k] = Object.create(null));\n }\n return node;\n}\nfunction set(root, scope, values) {\n if (typeof scope === 'string') {\n return merge(getScope$1(root, scope), values);\n }\n return merge(getScope$1(root, ''), scope);\n}\nclass Defaults {\n constructor(_descriptors) {\n this.animation = undefined;\n this.backgroundColor = 'rgba(0,0,0,0.1)';\n this.borderColor = 'rgba(0,0,0,0.1)';\n this.color = '#666';\n this.datasets = {};\n this.devicePixelRatio = (context) => context.chart.platform.getDevicePixelRatio();\n this.elements = {};\n this.events = [\n 'mousemove',\n 'mouseout',\n 'click',\n 'touchstart',\n 'touchmove'\n ];\n this.font = {\n family: \"'Helvetica Neue', 'Helvetica', 'Arial', sans-serif\",\n size: 12,\n style: 'normal',\n lineHeight: 1.2,\n weight: null\n };\n this.hover = {};\n this.hoverBackgroundColor = (ctx, options) => getHoverColor(options.backgroundColor);\n this.hoverBorderColor = (ctx, options) => getHoverColor(options.borderColor);\n this.hoverColor = (ctx, options) => getHoverColor(options.color);\n this.indexAxis = 'x';\n this.interaction = {\n mode: 'nearest',\n intersect: true,\n includeInvisible: false\n };\n this.maintainAspectRatio = true;\n this.onHover = null;\n this.onClick = null;\n this.parsing = true;\n this.plugins = {};\n this.responsive = true;\n this.scale = undefined;\n this.scales = {};\n this.showLine = true;\n this.drawActiveElementsOnTop = true;\n this.describe(_descriptors);\n }\n set(scope, values) {\n return set(this, scope, values);\n }\n get(scope) {\n return getScope$1(this, scope);\n }\n describe(scope, values) {\n return set(descriptors, scope, values);\n }\n override(scope, values) {\n return set(overrides, scope, values);\n }\n route(scope, name, targetScope, targetName) {\n const scopeObject = getScope$1(this, scope);\n const targetScopeObject = getScope$1(this, targetScope);\n const privateName = '_' + name;\n Object.defineProperties(scopeObject, {\n [privateName]: {\n value: scopeObject[name],\n writable: true\n },\n [name]: {\n enumerable: true,\n get() {\n const local = this[privateName];\n const target = targetScopeObject[targetName];\n if (isObject(local)) {\n return Object.assign({}, target, local);\n }\n return valueOrDefault(local, target);\n },\n set(value) {\n this[privateName] = value;\n }\n }\n });\n }\n}\nvar defaults = new Defaults({\n _scriptable: (name) => !name.startsWith('on'),\n _indexable: (name) => name !== 'events',\n hover: {\n _fallback: 'interaction'\n },\n interaction: {\n _scriptable: false,\n _indexable: false,\n }\n});\n\nfunction toFontString(font) {\n if (!font || isNullOrUndef(font.size) || isNullOrUndef(font.family)) {\n return null;\n }\n return (font.style ? font.style + ' ' : '')\n\t\t+ (font.weight ? font.weight + ' ' : '')\n\t\t+ font.size + 'px '\n\t\t+ font.family;\n}\nfunction _measureText(ctx, data, gc, longest, string) {\n let textWidth = data[string];\n if (!textWidth) {\n textWidth = data[string] = ctx.measureText(string).width;\n gc.push(string);\n }\n if (textWidth > longest) {\n longest = textWidth;\n }\n return longest;\n}\nfunction _longestText(ctx, font, arrayOfThings, cache) {\n cache = cache || {};\n let data = cache.data = cache.data || {};\n let gc = cache.garbageCollect = cache.garbageCollect || [];\n if (cache.font !== font) {\n data = cache.data = {};\n gc = cache.garbageCollect = [];\n cache.font = font;\n }\n ctx.save();\n ctx.font = font;\n let longest = 0;\n const ilen = arrayOfThings.length;\n let i, j, jlen, thing, nestedThing;\n for (i = 0; i < ilen; i++) {\n thing = arrayOfThings[i];\n if (thing !== undefined && thing !== null && isArray(thing) !== true) {\n longest = _measureText(ctx, data, gc, longest, thing);\n } else if (isArray(thing)) {\n for (j = 0, jlen = thing.length; j < jlen; j++) {\n nestedThing = thing[j];\n if (nestedThing !== undefined && nestedThing !== null && !isArray(nestedThing)) {\n longest = _measureText(ctx, data, gc, longest, nestedThing);\n }\n }\n }\n }\n ctx.restore();\n const gcLen = gc.length / 2;\n if (gcLen > arrayOfThings.length) {\n for (i = 0; i < gcLen; i++) {\n delete data[gc[i]];\n }\n gc.splice(0, gcLen);\n }\n return longest;\n}\nfunction _alignPixel(chart, pixel, width) {\n const devicePixelRatio = chart.currentDevicePixelRatio;\n const halfWidth = width !== 0 ? Math.max(width / 2, 0.5) : 0;\n return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth;\n}\nfunction clearCanvas(canvas, ctx) {\n ctx = ctx || canvas.getContext('2d');\n ctx.save();\n ctx.resetTransform();\n ctx.clearRect(0, 0, canvas.width, canvas.height);\n ctx.restore();\n}\nfunction drawPoint(ctx, options, x, y) {\n drawPointLegend(ctx, options, x, y, null);\n}\nfunction drawPointLegend(ctx, options, x, y, w) {\n let type, xOffset, yOffset, size, cornerRadius, width;\n const style = options.pointStyle;\n const rotation = options.rotation;\n const radius = options.radius;\n let rad = (rotation || 0) * RAD_PER_DEG;\n if (style && typeof style === 'object') {\n type = style.toString();\n if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') {\n ctx.save();\n ctx.translate(x, y);\n ctx.rotate(rad);\n ctx.drawImage(style, -style.width / 2, -style.height / 2, style.width, style.height);\n ctx.restore();\n return;\n }\n }\n if (isNaN(radius) || radius <= 0) {\n return;\n }\n ctx.beginPath();\n switch (style) {\n default:\n if (w) {\n ctx.ellipse(x, y, w / 2, radius, 0, 0, TAU);\n } else {\n ctx.arc(x, y, radius, 0, TAU);\n }\n ctx.closePath();\n break;\n case 'triangle':\n ctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);\n rad += TWO_THIRDS_PI;\n ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);\n rad += TWO_THIRDS_PI;\n ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);\n ctx.closePath();\n break;\n case 'rectRounded':\n cornerRadius = radius * 0.516;\n size = radius - cornerRadius;\n xOffset = Math.cos(rad + QUARTER_PI) * size;\n yOffset = Math.sin(rad + QUARTER_PI) * size;\n ctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI);\n ctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad);\n ctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI);\n ctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI);\n ctx.closePath();\n break;\n case 'rect':\n if (!rotation) {\n size = Math.SQRT1_2 * radius;\n width = w ? w / 2 : size;\n ctx.rect(x - width, y - size, 2 * width, 2 * size);\n break;\n }\n rad += QUARTER_PI;\n case 'rectRot':\n xOffset = Math.cos(rad) * radius;\n yOffset = Math.sin(rad) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + yOffset, y - xOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n ctx.lineTo(x - yOffset, y + xOffset);\n ctx.closePath();\n break;\n case 'crossRot':\n rad += QUARTER_PI;\n case 'cross':\n xOffset = Math.cos(rad) * radius;\n yOffset = Math.sin(rad) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n ctx.moveTo(x + yOffset, y - xOffset);\n ctx.lineTo(x - yOffset, y + xOffset);\n break;\n case 'star':\n xOffset = Math.cos(rad) * radius;\n yOffset = Math.sin(rad) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n ctx.moveTo(x + yOffset, y - xOffset);\n ctx.lineTo(x - yOffset, y + xOffset);\n rad += QUARTER_PI;\n xOffset = Math.cos(rad) * radius;\n yOffset = Math.sin(rad) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n ctx.moveTo(x + yOffset, y - xOffset);\n ctx.lineTo(x - yOffset, y + xOffset);\n break;\n case 'line':\n xOffset = w ? w / 2 : Math.cos(rad) * radius;\n yOffset = Math.sin(rad) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n break;\n case 'dash':\n ctx.moveTo(x, y);\n ctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius);\n break;\n }\n ctx.fill();\n if (options.borderWidth > 0) {\n ctx.stroke();\n }\n}\nfunction _isPointInArea(point, area, margin) {\n margin = margin || 0.5;\n return !area || (point && point.x > area.left - margin && point.x < area.right + margin &&\n\t\tpoint.y > area.top - margin && point.y < area.bottom + margin);\n}\nfunction clipArea(ctx, area) {\n ctx.save();\n ctx.beginPath();\n ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top);\n ctx.clip();\n}\nfunction unclipArea(ctx) {\n ctx.restore();\n}\nfunction _steppedLineTo(ctx, previous, target, flip, mode) {\n if (!previous) {\n return ctx.lineTo(target.x, target.y);\n }\n if (mode === 'middle') {\n const midpoint = (previous.x + target.x) / 2.0;\n ctx.lineTo(midpoint, previous.y);\n ctx.lineTo(midpoint, target.y);\n } else if (mode === 'after' !== !!flip) {\n ctx.lineTo(previous.x, target.y);\n } else {\n ctx.lineTo(target.x, previous.y);\n }\n ctx.lineTo(target.x, target.y);\n}\nfunction _bezierCurveTo(ctx, previous, target, flip) {\n if (!previous) {\n return ctx.lineTo(target.x, target.y);\n }\n ctx.bezierCurveTo(\n flip ? previous.cp1x : previous.cp2x,\n flip ? previous.cp1y : previous.cp2y,\n flip ? target.cp2x : target.cp1x,\n flip ? target.cp2y : target.cp1y,\n target.x,\n target.y);\n}\nfunction renderText(ctx, text, x, y, font, opts = {}) {\n const lines = isArray(text) ? text : [text];\n const stroke = opts.strokeWidth > 0 && opts.strokeColor !== '';\n let i, line;\n ctx.save();\n ctx.font = font.string;\n setRenderOpts(ctx, opts);\n for (i = 0; i < lines.length; ++i) {\n line = lines[i];\n if (stroke) {\n if (opts.strokeColor) {\n ctx.strokeStyle = opts.strokeColor;\n }\n if (!isNullOrUndef(opts.strokeWidth)) {\n ctx.lineWidth = opts.strokeWidth;\n }\n ctx.strokeText(line, x, y, opts.maxWidth);\n }\n ctx.fillText(line, x, y, opts.maxWidth);\n decorateText(ctx, x, y, line, opts);\n y += font.lineHeight;\n }\n ctx.restore();\n}\nfunction setRenderOpts(ctx, opts) {\n if (opts.translation) {\n ctx.translate(opts.translation[0], opts.translation[1]);\n }\n if (!isNullOrUndef(opts.rotation)) {\n ctx.rotate(opts.rotation);\n }\n if (opts.color) {\n ctx.fillStyle = opts.color;\n }\n if (opts.textAlign) {\n ctx.textAlign = opts.textAlign;\n }\n if (opts.textBaseline) {\n ctx.textBaseline = opts.textBaseline;\n }\n}\nfunction decorateText(ctx, x, y, line, opts) {\n if (opts.strikethrough || opts.underline) {\n const metrics = ctx.measureText(line);\n const left = x - metrics.actualBoundingBoxLeft;\n const right = x + metrics.actualBoundingBoxRight;\n const top = y - metrics.actualBoundingBoxAscent;\n const bottom = y + metrics.actualBoundingBoxDescent;\n const yDecoration = opts.strikethrough ? (top + bottom) / 2 : bottom;\n ctx.strokeStyle = ctx.fillStyle;\n ctx.beginPath();\n ctx.lineWidth = opts.decorationWidth || 2;\n ctx.moveTo(left, yDecoration);\n ctx.lineTo(right, yDecoration);\n ctx.stroke();\n }\n}\nfunction addRoundedRectPath(ctx, rect) {\n const {x, y, w, h, radius} = rect;\n ctx.arc(x + radius.topLeft, y + radius.topLeft, radius.topLeft, -HALF_PI, PI, true);\n ctx.lineTo(x, y + h - radius.bottomLeft);\n ctx.arc(x + radius.bottomLeft, y + h - radius.bottomLeft, radius.bottomLeft, PI, HALF_PI, true);\n ctx.lineTo(x + w - radius.bottomRight, y + h);\n ctx.arc(x + w - radius.bottomRight, y + h - radius.bottomRight, radius.bottomRight, HALF_PI, 0, true);\n ctx.lineTo(x + w, y + radius.topRight);\n ctx.arc(x + w - radius.topRight, y + radius.topRight, radius.topRight, 0, -HALF_PI, true);\n ctx.lineTo(x + radius.topLeft, y);\n}\n\nconst LINE_HEIGHT = new RegExp(/^(normal|(\\d+(?:\\.\\d+)?)(px|em|%)?)$/);\nconst FONT_STYLE = new RegExp(/^(normal|italic|initial|inherit|unset|(oblique( -?[0-9]?[0-9]deg)?))$/);\nfunction toLineHeight(value, size) {\n const matches = ('' + value).match(LINE_HEIGHT);\n if (!matches || matches[1] === 'normal') {\n return size * 1.2;\n }\n value = +matches[2];\n switch (matches[3]) {\n case 'px':\n return value;\n case '%':\n value /= 100;\n break;\n }\n return size * value;\n}\nconst numberOrZero = v => +v || 0;\nfunction _readValueToProps(value, props) {\n const ret = {};\n const objProps = isObject(props);\n const keys = objProps ? Object.keys(props) : props;\n const read = isObject(value)\n ? objProps\n ? prop => valueOrDefault(value[prop], value[props[prop]])\n : prop => value[prop]\n : () => value;\n for (const prop of keys) {\n ret[prop] = numberOrZero(read(prop));\n }\n return ret;\n}\nfunction toTRBL(value) {\n return _readValueToProps(value, {top: 'y', right: 'x', bottom: 'y', left: 'x'});\n}\nfunction toTRBLCorners(value) {\n return _readValueToProps(value, ['topLeft', 'topRight', 'bottomLeft', 'bottomRight']);\n}\nfunction toPadding(value) {\n const obj = toTRBL(value);\n obj.width = obj.left + obj.right;\n obj.height = obj.top + obj.bottom;\n return obj;\n}\nfunction toFont(options, fallback) {\n options = options || {};\n fallback = fallback || defaults.font;\n let size = valueOrDefault(options.size, fallback.size);\n if (typeof size === 'string') {\n size = parseInt(size, 10);\n }\n let style = valueOrDefault(options.style, fallback.style);\n if (style && !('' + style).match(FONT_STYLE)) {\n console.warn('Invalid font style specified: \"' + style + '\"');\n style = '';\n }\n const font = {\n family: valueOrDefault(options.family, fallback.family),\n lineHeight: toLineHeight(valueOrDefault(options.lineHeight, fallback.lineHeight), size),\n size,\n style,\n weight: valueOrDefault(options.weight, fallback.weight),\n string: ''\n };\n font.string = toFontString(font);\n return font;\n}\nfunction resolve(inputs, context, index, info) {\n let cacheable = true;\n let i, ilen, value;\n for (i = 0, ilen = inputs.length; i < ilen; ++i) {\n value = inputs[i];\n if (value === undefined) {\n continue;\n }\n if (context !== undefined && typeof value === 'function') {\n value = value(context);\n cacheable = false;\n }\n if (index !== undefined && isArray(value)) {\n value = value[index % value.length];\n cacheable = false;\n }\n if (value !== undefined) {\n if (info && !cacheable) {\n info.cacheable = false;\n }\n return value;\n }\n }\n}\nfunction _addGrace(minmax, grace, beginAtZero) {\n const {min, max} = minmax;\n const change = toDimension(grace, (max - min) / 2);\n const keepZero = (value, add) => beginAtZero && value === 0 ? 0 : value + add;\n return {\n min: keepZero(min, -Math.abs(change)),\n max: keepZero(max, change)\n };\n}\nfunction createContext(parentContext, context) {\n return Object.assign(Object.create(parentContext), context);\n}\n\nfunction _createResolver(scopes, prefixes = [''], rootScopes = scopes, fallback, getTarget = () => scopes[0]) {\n if (!defined(fallback)) {\n fallback = _resolve('_fallback', scopes);\n }\n const cache = {\n [Symbol.toStringTag]: 'Object',\n _cacheable: true,\n _scopes: scopes,\n _rootScopes: rootScopes,\n _fallback: fallback,\n _getTarget: getTarget,\n override: (scope) => _createResolver([scope, ...scopes], prefixes, rootScopes, fallback),\n };\n return new Proxy(cache, {\n deleteProperty(target, prop) {\n delete target[prop];\n delete target._keys;\n delete scopes[0][prop];\n return true;\n },\n get(target, prop) {\n return _cached(target, prop,\n () => _resolveWithPrefixes(prop, prefixes, scopes, target));\n },\n getOwnPropertyDescriptor(target, prop) {\n return Reflect.getOwnPropertyDescriptor(target._scopes[0], prop);\n },\n getPrototypeOf() {\n return Reflect.getPrototypeOf(scopes[0]);\n },\n has(target, prop) {\n return getKeysFromAllScopes(target).includes(prop);\n },\n ownKeys(target) {\n return getKeysFromAllScopes(target);\n },\n set(target, prop, value) {\n const storage = target._storage || (target._storage = getTarget());\n target[prop] = storage[prop] = value;\n delete target._keys;\n return true;\n }\n });\n}\nfunction _attachContext(proxy, context, subProxy, descriptorDefaults) {\n const cache = {\n _cacheable: false,\n _proxy: proxy,\n _context: context,\n _subProxy: subProxy,\n _stack: new Set(),\n _descriptors: _descriptors(proxy, descriptorDefaults),\n setContext: (ctx) => _attachContext(proxy, ctx, subProxy, descriptorDefaults),\n override: (scope) => _attachContext(proxy.override(scope), context, subProxy, descriptorDefaults)\n };\n return new Proxy(cache, {\n deleteProperty(target, prop) {\n delete target[prop];\n delete proxy[prop];\n return true;\n },\n get(target, prop, receiver) {\n return _cached(target, prop,\n () => _resolveWithContext(target, prop, receiver));\n },\n getOwnPropertyDescriptor(target, prop) {\n return target._descriptors.allKeys\n ? Reflect.has(proxy, prop) ? {enumerable: true, configurable: true} : undefined\n : Reflect.getOwnPropertyDescriptor(proxy, prop);\n },\n getPrototypeOf() {\n return Reflect.getPrototypeOf(proxy);\n },\n has(target, prop) {\n return Reflect.has(proxy, prop);\n },\n ownKeys() {\n return Reflect.ownKeys(proxy);\n },\n set(target, prop, value) {\n proxy[prop] = value;\n delete target[prop];\n return true;\n }\n });\n}\nfunction _descriptors(proxy, defaults = {scriptable: true, indexable: true}) {\n const {_scriptable = defaults.scriptable, _indexable = defaults.indexable, _allKeys = defaults.allKeys} = proxy;\n return {\n allKeys: _allKeys,\n scriptable: _scriptable,\n indexable: _indexable,\n isScriptable: isFunction(_scriptable) ? _scriptable : () => _scriptable,\n isIndexable: isFunction(_indexable) ? _indexable : () => _indexable\n };\n}\nconst readKey = (prefix, name) => prefix ? prefix + _capitalize(name) : name;\nconst needsSubResolver = (prop, value) => isObject(value) && prop !== 'adapters' &&\n (Object.getPrototypeOf(value) === null || value.constructor === Object);\nfunction _cached(target, prop, resolve) {\n if (Object.prototype.hasOwnProperty.call(target, prop)) {\n return target[prop];\n }\n const value = resolve();\n target[prop] = value;\n return value;\n}\nfunction _resolveWithContext(target, prop, receiver) {\n const {_proxy, _context, _subProxy, _descriptors: descriptors} = target;\n let value = _proxy[prop];\n if (isFunction(value) && descriptors.isScriptable(prop)) {\n value = _resolveScriptable(prop, value, target, receiver);\n }\n if (isArray(value) && value.length) {\n value = _resolveArray(prop, value, target, descriptors.isIndexable);\n }\n if (needsSubResolver(prop, value)) {\n value = _attachContext(value, _context, _subProxy && _subProxy[prop], descriptors);\n }\n return value;\n}\nfunction _resolveScriptable(prop, value, target, receiver) {\n const {_proxy, _context, _subProxy, _stack} = target;\n if (_stack.has(prop)) {\n throw new Error('Recursion detected: ' + Array.from(_stack).join('->') + '->' + prop);\n }\n _stack.add(prop);\n value = value(_context, _subProxy || receiver);\n _stack.delete(prop);\n if (needsSubResolver(prop, value)) {\n value = createSubResolver(_proxy._scopes, _proxy, prop, value);\n }\n return value;\n}\nfunction _resolveArray(prop, value, target, isIndexable) {\n const {_proxy, _context, _subProxy, _descriptors: descriptors} = target;\n if (defined(_context.index) && isIndexable(prop)) {\n value = value[_context.index % value.length];\n } else if (isObject(value[0])) {\n const arr = value;\n const scopes = _proxy._scopes.filter(s => s !== arr);\n value = [];\n for (const item of arr) {\n const resolver = createSubResolver(scopes, _proxy, prop, item);\n value.push(_attachContext(resolver, _context, _subProxy && _subProxy[prop], descriptors));\n }\n }\n return value;\n}\nfunction resolveFallback(fallback, prop, value) {\n return isFunction(fallback) ? fallback(prop, value) : fallback;\n}\nconst getScope = (key, parent) => key === true ? parent\n : typeof key === 'string' ? resolveObjectKey(parent, key) : undefined;\nfunction addScopes(set, parentScopes, key, parentFallback, value) {\n for (const parent of parentScopes) {\n const scope = getScope(key, parent);\n if (scope) {\n set.add(scope);\n const fallback = resolveFallback(scope._fallback, key, value);\n if (defined(fallback) && fallback !== key && fallback !== parentFallback) {\n return fallback;\n }\n } else if (scope === false && defined(parentFallback) && key !== parentFallback) {\n return null;\n }\n }\n return false;\n}\nfunction createSubResolver(parentScopes, resolver, prop, value) {\n const rootScopes = resolver._rootScopes;\n const fallback = resolveFallback(resolver._fallback, prop, value);\n const allScopes = [...parentScopes, ...rootScopes];\n const set = new Set();\n set.add(value);\n let key = addScopesFromKey(set, allScopes, prop, fallback || prop, value);\n if (key === null) {\n return false;\n }\n if (defined(fallback) && fallback !== prop) {\n key = addScopesFromKey(set, allScopes, fallback, key, value);\n if (key === null) {\n return false;\n }\n }\n return _createResolver(Array.from(set), [''], rootScopes, fallback,\n () => subGetTarget(resolver, prop, value));\n}\nfunction addScopesFromKey(set, allScopes, key, fallback, item) {\n while (key) {\n key = addScopes(set, allScopes, key, fallback, item);\n }\n return key;\n}\nfunction subGetTarget(resolver, prop, value) {\n const parent = resolver._getTarget();\n if (!(prop in parent)) {\n parent[prop] = {};\n }\n const target = parent[prop];\n if (isArray(target) && isObject(value)) {\n return value;\n }\n return target;\n}\nfunction _resolveWithPrefixes(prop, prefixes, scopes, proxy) {\n let value;\n for (const prefix of prefixes) {\n value = _resolve(readKey(prefix, prop), scopes);\n if (defined(value)) {\n return needsSubResolver(prop, value)\n ? createSubResolver(scopes, proxy, prop, value)\n : value;\n }\n }\n}\nfunction _resolve(key, scopes) {\n for (const scope of scopes) {\n if (!scope) {\n continue;\n }\n const value = scope[key];\n if (defined(value)) {\n return value;\n }\n }\n}\nfunction getKeysFromAllScopes(target) {\n let keys = target._keys;\n if (!keys) {\n keys = target._keys = resolveKeysFromAllScopes(target._scopes);\n }\n return keys;\n}\nfunction resolveKeysFromAllScopes(scopes) {\n const set = new Set();\n for (const scope of scopes) {\n for (const key of Object.keys(scope).filter(k => !k.startsWith('_'))) {\n set.add(key);\n }\n }\n return Array.from(set);\n}\nfunction _parseObjectDataRadialScale(meta, data, start, count) {\n const {iScale} = meta;\n const {key = 'r'} = this._parsing;\n const parsed = new Array(count);\n let i, ilen, index, item;\n for (i = 0, ilen = count; i < ilen; ++i) {\n index = i + start;\n item = data[index];\n parsed[i] = {\n r: iScale.parse(resolveObjectKey(item, key), index)\n };\n }\n return parsed;\n}\n\nconst EPSILON = Number.EPSILON || 1e-14;\nconst getPoint = (points, i) => i < points.length && !points[i].skip && points[i];\nconst getValueAxis = (indexAxis) => indexAxis === 'x' ? 'y' : 'x';\nfunction splineCurve(firstPoint, middlePoint, afterPoint, t) {\n const previous = firstPoint.skip ? middlePoint : firstPoint;\n const current = middlePoint;\n const next = afterPoint.skip ? middlePoint : afterPoint;\n const d01 = distanceBetweenPoints(current, previous);\n const d12 = distanceBetweenPoints(next, current);\n let s01 = d01 / (d01 + d12);\n let s12 = d12 / (d01 + d12);\n s01 = isNaN(s01) ? 0 : s01;\n s12 = isNaN(s12) ? 0 : s12;\n const fa = t * s01;\n const fb = t * s12;\n return {\n previous: {\n x: current.x - fa * (next.x - previous.x),\n y: current.y - fa * (next.y - previous.y)\n },\n next: {\n x: current.x + fb * (next.x - previous.x),\n y: current.y + fb * (next.y - previous.y)\n }\n };\n}\nfunction monotoneAdjust(points, deltaK, mK) {\n const pointsLen = points.length;\n let alphaK, betaK, tauK, squaredMagnitude, pointCurrent;\n let pointAfter = getPoint(points, 0);\n for (let i = 0; i < pointsLen - 1; ++i) {\n pointCurrent = pointAfter;\n pointAfter = getPoint(points, i + 1);\n if (!pointCurrent || !pointAfter) {\n continue;\n }\n if (almostEquals(deltaK[i], 0, EPSILON)) {\n mK[i] = mK[i + 1] = 0;\n continue;\n }\n alphaK = mK[i] / deltaK[i];\n betaK = mK[i + 1] / deltaK[i];\n squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2);\n if (squaredMagnitude <= 9) {\n continue;\n }\n tauK = 3 / Math.sqrt(squaredMagnitude);\n mK[i] = alphaK * tauK * deltaK[i];\n mK[i + 1] = betaK * tauK * deltaK[i];\n }\n}\nfunction monotoneCompute(points, mK, indexAxis = 'x') {\n const valueAxis = getValueAxis(indexAxis);\n const pointsLen = points.length;\n let delta, pointBefore, pointCurrent;\n let pointAfter = getPoint(points, 0);\n for (let i = 0; i < pointsLen; ++i) {\n pointBefore = pointCurrent;\n pointCurrent = pointAfter;\n pointAfter = getPoint(points, i + 1);\n if (!pointCurrent) {\n continue;\n }\n const iPixel = pointCurrent[indexAxis];\n const vPixel = pointCurrent[valueAxis];\n if (pointBefore) {\n delta = (iPixel - pointBefore[indexAxis]) / 3;\n pointCurrent[`cp1${indexAxis}`] = iPixel - delta;\n pointCurrent[`cp1${valueAxis}`] = vPixel - delta * mK[i];\n }\n if (pointAfter) {\n delta = (pointAfter[indexAxis] - iPixel) / 3;\n pointCurrent[`cp2${indexAxis}`] = iPixel + delta;\n pointCurrent[`cp2${valueAxis}`] = vPixel + delta * mK[i];\n }\n }\n}\nfunction splineCurveMonotone(points, indexAxis = 'x') {\n const valueAxis = getValueAxis(indexAxis);\n const pointsLen = points.length;\n const deltaK = Array(pointsLen).fill(0);\n const mK = Array(pointsLen);\n let i, pointBefore, pointCurrent;\n let pointAfter = getPoint(points, 0);\n for (i = 0; i < pointsLen; ++i) {\n pointBefore = pointCurrent;\n pointCurrent = pointAfter;\n pointAfter = getPoint(points, i + 1);\n if (!pointCurrent) {\n continue;\n }\n if (pointAfter) {\n const slopeDelta = pointAfter[indexAxis] - pointCurrent[indexAxis];\n deltaK[i] = slopeDelta !== 0 ? (pointAfter[valueAxis] - pointCurrent[valueAxis]) / slopeDelta : 0;\n }\n mK[i] = !pointBefore ? deltaK[i]\n : !pointAfter ? deltaK[i - 1]\n : (sign(deltaK[i - 1]) !== sign(deltaK[i])) ? 0\n : (deltaK[i - 1] + deltaK[i]) / 2;\n }\n monotoneAdjust(points, deltaK, mK);\n monotoneCompute(points, mK, indexAxis);\n}\nfunction capControlPoint(pt, min, max) {\n return Math.max(Math.min(pt, max), min);\n}\nfunction capBezierPoints(points, area) {\n let i, ilen, point, inArea, inAreaPrev;\n let inAreaNext = _isPointInArea(points[0], area);\n for (i = 0, ilen = points.length; i < ilen; ++i) {\n inAreaPrev = inArea;\n inArea = inAreaNext;\n inAreaNext = i < ilen - 1 && _isPointInArea(points[i + 1], area);\n if (!inArea) {\n continue;\n }\n point = points[i];\n if (inAreaPrev) {\n point.cp1x = capControlPoint(point.cp1x, area.left, area.right);\n point.cp1y = capControlPoint(point.cp1y, area.top, area.bottom);\n }\n if (inAreaNext) {\n point.cp2x = capControlPoint(point.cp2x, area.left, area.right);\n point.cp2y = capControlPoint(point.cp2y, area.top, area.bottom);\n }\n }\n}\nfunction _updateBezierControlPoints(points, options, area, loop, indexAxis) {\n let i, ilen, point, controlPoints;\n if (options.spanGaps) {\n points = points.filter((pt) => !pt.skip);\n }\n if (options.cubicInterpolationMode === 'monotone') {\n splineCurveMonotone(points, indexAxis);\n } else {\n let prev = loop ? points[points.length - 1] : points[0];\n for (i = 0, ilen = points.length; i < ilen; ++i) {\n point = points[i];\n controlPoints = splineCurve(\n prev,\n point,\n points[Math.min(i + 1, ilen - (loop ? 0 : 1)) % ilen],\n options.tension\n );\n point.cp1x = controlPoints.previous.x;\n point.cp1y = controlPoints.previous.y;\n point.cp2x = controlPoints.next.x;\n point.cp2y = controlPoints.next.y;\n prev = point;\n }\n }\n if (options.capBezierPoints) {\n capBezierPoints(points, area);\n }\n}\n\nfunction _isDomSupported() {\n return typeof window !== 'undefined' && typeof document !== 'undefined';\n}\nfunction _getParentNode(domNode) {\n let parent = domNode.parentNode;\n if (parent && parent.toString() === '[object ShadowRoot]') {\n parent = parent.host;\n }\n return parent;\n}\nfunction parseMaxStyle(styleValue, node, parentProperty) {\n let valueInPixels;\n if (typeof styleValue === 'string') {\n valueInPixels = parseInt(styleValue, 10);\n if (styleValue.indexOf('%') !== -1) {\n valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty];\n }\n } else {\n valueInPixels = styleValue;\n }\n return valueInPixels;\n}\nconst getComputedStyle = (element) => window.getComputedStyle(element, null);\nfunction getStyle(el, property) {\n return getComputedStyle(el).getPropertyValue(property);\n}\nconst positions = ['top', 'right', 'bottom', 'left'];\nfunction getPositionedStyle(styles, style, suffix) {\n const result = {};\n suffix = suffix ? '-' + suffix : '';\n for (let i = 0; i < 4; i++) {\n const pos = positions[i];\n result[pos] = parseFloat(styles[style + '-' + pos + suffix]) || 0;\n }\n result.width = result.left + result.right;\n result.height = result.top + result.bottom;\n return result;\n}\nconst useOffsetPos = (x, y, target) => (x > 0 || y > 0) && (!target || !target.shadowRoot);\nfunction getCanvasPosition(e, canvas) {\n const touches = e.touches;\n const source = touches && touches.length ? touches[0] : e;\n const {offsetX, offsetY} = source;\n let box = false;\n let x, y;\n if (useOffsetPos(offsetX, offsetY, e.target)) {\n x = offsetX;\n y = offsetY;\n } else {\n const rect = canvas.getBoundingClientRect();\n x = source.clientX - rect.left;\n y = source.clientY - rect.top;\n box = true;\n }\n return {x, y, box};\n}\nfunction getRelativePosition(evt, chart) {\n if ('native' in evt) {\n return evt;\n }\n const {canvas, currentDevicePixelRatio} = chart;\n const style = getComputedStyle(canvas);\n const borderBox = style.boxSizing === 'border-box';\n const paddings = getPositionedStyle(style, 'padding');\n const borders = getPositionedStyle(style, 'border', 'width');\n const {x, y, box} = getCanvasPosition(evt, canvas);\n const xOffset = paddings.left + (box && borders.left);\n const yOffset = paddings.top + (box && borders.top);\n let {width, height} = chart;\n if (borderBox) {\n width -= paddings.width + borders.width;\n height -= paddings.height + borders.height;\n }\n return {\n x: Math.round((x - xOffset) / width * canvas.width / currentDevicePixelRatio),\n y: Math.round((y - yOffset) / height * canvas.height / currentDevicePixelRatio)\n };\n}\nfunction getContainerSize(canvas, width, height) {\n let maxWidth, maxHeight;\n if (width === undefined || height === undefined) {\n const container = _getParentNode(canvas);\n if (!container) {\n width = canvas.clientWidth;\n height = canvas.clientHeight;\n } else {\n const rect = container.getBoundingClientRect();\n const containerStyle = getComputedStyle(container);\n const containerBorder = getPositionedStyle(containerStyle, 'border', 'width');\n const containerPadding = getPositionedStyle(containerStyle, 'padding');\n width = rect.width - containerPadding.width - containerBorder.width;\n height = rect.height - containerPadding.height - containerBorder.height;\n maxWidth = parseMaxStyle(containerStyle.maxWidth, container, 'clientWidth');\n maxHeight = parseMaxStyle(containerStyle.maxHeight, container, 'clientHeight');\n }\n }\n return {\n width,\n height,\n maxWidth: maxWidth || INFINITY,\n maxHeight: maxHeight || INFINITY\n };\n}\nconst round1 = v => Math.round(v * 10) / 10;\nfunction getMaximumSize(canvas, bbWidth, bbHeight, aspectRatio) {\n const style = getComputedStyle(canvas);\n const margins = getPositionedStyle(style, 'margin');\n const maxWidth = parseMaxStyle(style.maxWidth, canvas, 'clientWidth') || INFINITY;\n const maxHeight = parseMaxStyle(style.maxHeight, canvas, 'clientHeight') || INFINITY;\n const containerSize = getContainerSize(canvas, bbWidth, bbHeight);\n let {width, height} = containerSize;\n if (style.boxSizing === 'content-box') {\n const borders = getPositionedStyle(style, 'border', 'width');\n const paddings = getPositionedStyle(style, 'padding');\n width -= paddings.width + borders.width;\n height -= paddings.height + borders.height;\n }\n width = Math.max(0, width - margins.width);\n height = Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height - margins.height);\n width = round1(Math.min(width, maxWidth, containerSize.maxWidth));\n height = round1(Math.min(height, maxHeight, containerSize.maxHeight));\n if (width && !height) {\n height = round1(width / 2);\n }\n return {\n width,\n height\n };\n}\nfunction retinaScale(chart, forceRatio, forceStyle) {\n const pixelRatio = forceRatio || 1;\n const deviceHeight = Math.floor(chart.height * pixelRatio);\n const deviceWidth = Math.floor(chart.width * pixelRatio);\n chart.height = deviceHeight / pixelRatio;\n chart.width = deviceWidth / pixelRatio;\n const canvas = chart.canvas;\n if (canvas.style && (forceStyle || (!canvas.style.height && !canvas.style.width))) {\n canvas.style.height = `${chart.height}px`;\n canvas.style.width = `${chart.width}px`;\n }\n if (chart.currentDevicePixelRatio !== pixelRatio\n || canvas.height !== deviceHeight\n || canvas.width !== deviceWidth) {\n chart.currentDevicePixelRatio = pixelRatio;\n canvas.height = deviceHeight;\n canvas.width = deviceWidth;\n chart.ctx.setTransform(pixelRatio, 0, 0, pixelRatio, 0, 0);\n return true;\n }\n return false;\n}\nconst supportsEventListenerOptions = (function() {\n let passiveSupported = false;\n try {\n const options = {\n get passive() {\n passiveSupported = true;\n return false;\n }\n };\n window.addEventListener('test', null, options);\n window.removeEventListener('test', null, options);\n } catch (e) {\n }\n return passiveSupported;\n}());\nfunction readUsedSize(element, property) {\n const value = getStyle(element, property);\n const matches = value && value.match(/^(\\d+)(\\.\\d+)?px$/);\n return matches ? +matches[1] : undefined;\n}\n\nfunction _pointInLine(p1, p2, t, mode) {\n return {\n x: p1.x + t * (p2.x - p1.x),\n y: p1.y + t * (p2.y - p1.y)\n };\n}\nfunction _steppedInterpolation(p1, p2, t, mode) {\n return {\n x: p1.x + t * (p2.x - p1.x),\n y: mode === 'middle' ? t < 0.5 ? p1.y : p2.y\n : mode === 'after' ? t < 1 ? p1.y : p2.y\n : t > 0 ? p2.y : p1.y\n };\n}\nfunction _bezierInterpolation(p1, p2, t, mode) {\n const cp1 = {x: p1.cp2x, y: p1.cp2y};\n const cp2 = {x: p2.cp1x, y: p2.cp1y};\n const a = _pointInLine(p1, cp1, t);\n const b = _pointInLine(cp1, cp2, t);\n const c = _pointInLine(cp2, p2, t);\n const d = _pointInLine(a, b, t);\n const e = _pointInLine(b, c, t);\n return _pointInLine(d, e, t);\n}\n\nconst intlCache = new Map();\nfunction getNumberFormat(locale, options) {\n options = options || {};\n const cacheKey = locale + JSON.stringify(options);\n let formatter = intlCache.get(cacheKey);\n if (!formatter) {\n formatter = new Intl.NumberFormat(locale, options);\n intlCache.set(cacheKey, formatter);\n }\n return formatter;\n}\nfunction formatNumber(num, locale, options) {\n return getNumberFormat(locale, options).format(num);\n}\n\nconst getRightToLeftAdapter = function(rectX, width) {\n return {\n x(x) {\n return rectX + rectX + width - x;\n },\n setWidth(w) {\n width = w;\n },\n textAlign(align) {\n if (align === 'center') {\n return align;\n }\n return align === 'right' ? 'left' : 'right';\n },\n xPlus(x, value) {\n return x - value;\n },\n leftForLtr(x, itemWidth) {\n return x - itemWidth;\n },\n };\n};\nconst getLeftToRightAdapter = function() {\n return {\n x(x) {\n return x;\n },\n setWidth(w) {\n },\n textAlign(align) {\n return align;\n },\n xPlus(x, value) {\n return x + value;\n },\n leftForLtr(x, _itemWidth) {\n return x;\n },\n };\n};\nfunction getRtlAdapter(rtl, rectX, width) {\n return rtl ? getRightToLeftAdapter(rectX, width) : getLeftToRightAdapter();\n}\nfunction overrideTextDirection(ctx, direction) {\n let style, original;\n if (direction === 'ltr' || direction === 'rtl') {\n style = ctx.canvas.style;\n original = [\n style.getPropertyValue('direction'),\n style.getPropertyPriority('direction'),\n ];\n style.setProperty('direction', direction, 'important');\n ctx.prevTextDirection = original;\n }\n}\nfunction restoreTextDirection(ctx, original) {\n if (original !== undefined) {\n delete ctx.prevTextDirection;\n ctx.canvas.style.setProperty('direction', original[0], original[1]);\n }\n}\n\nfunction propertyFn(property) {\n if (property === 'angle') {\n return {\n between: _angleBetween,\n compare: _angleDiff,\n normalize: _normalizeAngle,\n };\n }\n return {\n between: _isBetween,\n compare: (a, b) => a - b,\n normalize: x => x\n };\n}\nfunction normalizeSegment({start, end, count, loop, style}) {\n return {\n start: start % count,\n end: end % count,\n loop: loop && (end - start + 1) % count === 0,\n style\n };\n}\nfunction getSegment(segment, points, bounds) {\n const {property, start: startBound, end: endBound} = bounds;\n const {between, normalize} = propertyFn(property);\n const count = points.length;\n let {start, end, loop} = segment;\n let i, ilen;\n if (loop) {\n start += count;\n end += count;\n for (i = 0, ilen = count; i < ilen; ++i) {\n if (!between(normalize(points[start % count][property]), startBound, endBound)) {\n break;\n }\n start--;\n end--;\n }\n start %= count;\n end %= count;\n }\n if (end < start) {\n end += count;\n }\n return {start, end, loop, style: segment.style};\n}\nfunction _boundSegment(segment, points, bounds) {\n if (!bounds) {\n return [segment];\n }\n const {property, start: startBound, end: endBound} = bounds;\n const count = points.length;\n const {compare, between, normalize} = propertyFn(property);\n const {start, end, loop, style} = getSegment(segment, points, bounds);\n const result = [];\n let inside = false;\n let subStart = null;\n let value, point, prevValue;\n const startIsBefore = () => between(startBound, prevValue, value) && compare(startBound, prevValue) !== 0;\n const endIsBefore = () => compare(endBound, value) === 0 || between(endBound, prevValue, value);\n const shouldStart = () => inside || startIsBefore();\n const shouldStop = () => !inside || endIsBefore();\n for (let i = start, prev = start; i <= end; ++i) {\n point = points[i % count];\n if (point.skip) {\n continue;\n }\n value = normalize(point[property]);\n if (value === prevValue) {\n continue;\n }\n inside = between(value, startBound, endBound);\n if (subStart === null && shouldStart()) {\n subStart = compare(value, startBound) === 0 ? i : prev;\n }\n if (subStart !== null && shouldStop()) {\n result.push(normalizeSegment({start: subStart, end: i, loop, count, style}));\n subStart = null;\n }\n prev = i;\n prevValue = value;\n }\n if (subStart !== null) {\n result.push(normalizeSegment({start: subStart, end, loop, count, style}));\n }\n return result;\n}\nfunction _boundSegments(line, bounds) {\n const result = [];\n const segments = line.segments;\n for (let i = 0; i < segments.length; i++) {\n const sub = _boundSegment(segments[i], line.points, bounds);\n if (sub.length) {\n result.push(...sub);\n }\n }\n return result;\n}\nfunction findStartAndEnd(points, count, loop, spanGaps) {\n let start = 0;\n let end = count - 1;\n if (loop && !spanGaps) {\n while (start < count && !points[start].skip) {\n start++;\n }\n }\n while (start < count && points[start].skip) {\n start++;\n }\n start %= count;\n if (loop) {\n end += start;\n }\n while (end > start && points[end % count].skip) {\n end--;\n }\n end %= count;\n return {start, end};\n}\nfunction solidSegments(points, start, max, loop) {\n const count = points.length;\n const result = [];\n let last = start;\n let prev = points[start];\n let end;\n for (end = start + 1; end <= max; ++end) {\n const cur = points[end % count];\n if (cur.skip || cur.stop) {\n if (!prev.skip) {\n loop = false;\n result.push({start: start % count, end: (end - 1) % count, loop});\n start = last = cur.stop ? end : null;\n }\n } else {\n last = end;\n if (prev.skip) {\n start = end;\n }\n }\n prev = cur;\n }\n if (last !== null) {\n result.push({start: start % count, end: last % count, loop});\n }\n return result;\n}\nfunction _computeSegments(line, segmentOptions) {\n const points = line.points;\n const spanGaps = line.options.spanGaps;\n const count = points.length;\n if (!count) {\n return [];\n }\n const loop = !!line._loop;\n const {start, end} = findStartAndEnd(points, count, loop, spanGaps);\n if (spanGaps === true) {\n return splitByStyles(line, [{start, end, loop}], points, segmentOptions);\n }\n const max = end < start ? end + count : end;\n const completeLoop = !!line._fullLoop && start === 0 && end === count - 1;\n return splitByStyles(line, solidSegments(points, start, max, completeLoop), points, segmentOptions);\n}\nfunction splitByStyles(line, segments, points, segmentOptions) {\n if (!segmentOptions || !segmentOptions.setContext || !points) {\n return segments;\n }\n return doSplitByStyles(line, segments, points, segmentOptions);\n}\nfunction doSplitByStyles(line, segments, points, segmentOptions) {\n const chartContext = line._chart.getContext();\n const baseStyle = readStyle(line.options);\n const {_datasetIndex: datasetIndex, options: {spanGaps}} = line;\n const count = points.length;\n const result = [];\n let prevStyle = baseStyle;\n let start = segments[0].start;\n let i = start;\n function addStyle(s, e, l, st) {\n const dir = spanGaps ? -1 : 1;\n if (s === e) {\n return;\n }\n s += count;\n while (points[s % count].skip) {\n s -= dir;\n }\n while (points[e % count].skip) {\n e += dir;\n }\n if (s % count !== e % count) {\n result.push({start: s % count, end: e % count, loop: l, style: st});\n prevStyle = st;\n start = e % count;\n }\n }\n for (const segment of segments) {\n start = spanGaps ? start : segment.start;\n let prev = points[start % count];\n let style;\n for (i = start + 1; i <= segment.end; i++) {\n const pt = points[i % count];\n style = readStyle(segmentOptions.setContext(createContext(chartContext, {\n type: 'segment',\n p0: prev,\n p1: pt,\n p0DataIndex: (i - 1) % count,\n p1DataIndex: i % count,\n datasetIndex\n })));\n if (styleChanged(style, prevStyle)) {\n addStyle(start, i - 1, segment.loop, prevStyle);\n }\n prev = pt;\n prevStyle = style;\n }\n if (start < i - 1) {\n addStyle(start, i - 1, segment.loop, prevStyle);\n }\n }\n return result;\n}\nfunction readStyle(options) {\n return {\n backgroundColor: options.backgroundColor,\n borderCapStyle: options.borderCapStyle,\n borderDash: options.borderDash,\n borderDashOffset: options.borderDashOffset,\n borderJoinStyle: options.borderJoinStyle,\n borderWidth: options.borderWidth,\n borderColor: options.borderColor\n };\n}\nfunction styleChanged(style, prevStyle) {\n return prevStyle && JSON.stringify(style) !== JSON.stringify(prevStyle);\n}\n\nexport { _isPointInArea as $, _factorize as A, finiteOrDefault as B, callback as C, _addGrace as D, _limitValue as E, toDegrees as F, _measureText as G, HALF_PI as H, _int16Range as I, _alignPixel as J, toPadding as K, clipArea as L, renderText as M, unclipArea as N, toFont as O, PI as P, each as Q, _toLeftRightCenter as R, _alignStartEnd as S, TAU as T, overrides as U, merge as V, _capitalize as W, getRelativePosition as X, _rlookupByKey as Y, _lookupByKey as Z, _arrayUnique as _, resolve as a, toLineHeight as a$, getAngleFromPoint as a0, getMaximumSize as a1, _getParentNode as a2, readUsedSize as a3, throttled as a4, supportsEventListenerOptions as a5, _isDomSupported as a6, descriptors as a7, isFunction as a8, _attachContext as a9, getRtlAdapter as aA, overrideTextDirection as aB, _textX as aC, restoreTextDirection as aD, drawPointLegend as aE, noop as aF, distanceBetweenPoints as aG, _setMinAndMaxByKey as aH, niceNum as aI, almostWhole as aJ, almostEquals as aK, _decimalPlaces as aL, _longestText as aM, _filterBetween as aN, _lookup as aO, isPatternOrGradient as aP, getHoverColor as aQ, clone$1 as aR, _merger as aS, _mergerIf as aT, _deprecated as aU, _splitKey as aV, toFontString as aW, splineCurve as aX, splineCurveMonotone as aY, getStyle as aZ, fontString as a_, _createResolver as aa, _descriptors as ab, mergeIf as ac, uid as ad, debounce as ae, retinaScale as af, clearCanvas as ag, setsEqual as ah, _elementsEqual as ai, _isClickEvent as aj, _isBetween as ak, _readValueToProps as al, _updateBezierControlPoints as am, _computeSegments as an, _boundSegments as ao, _steppedInterpolation as ap, _bezierInterpolation as aq, _pointInLine as ar, _steppedLineTo as as, _bezierCurveTo as at, drawPoint as au, addRoundedRectPath as av, toTRBL as aw, toTRBLCorners as ax, _boundSegment as ay, _normalizeAngle as az, isArray as b, PITAU as b0, INFINITY as b1, RAD_PER_DEG as b2, QUARTER_PI as b3, TWO_THIRDS_PI as b4, _angleDiff as b5, color as c, defaults as d, effects as e, resolveObjectKey as f, isNumberFinite as g, createContext as h, isObject as i, defined as j, isNullOrUndef as k, listenArrayEvents as l, toPercentage as m, toDimension as n, formatNumber as o, _angleBetween as p, _getStartAndCountOfVisiblePoints as q, requestAnimFrame as r, sign as s, toRadians as t, unlistenArrayEvents as u, valueOrDefault as v, _scaleRangesChanged as w, isNumber as x, _parseObjectDataRadialScale as y, log10 as z };\n","/*!\n * Chart.js v3.9.1\n * https://www.chartjs.org\n * (c) 2022 Chart.js Contributors\n * Released under the MIT License\n */\nimport { r as requestAnimFrame, a as resolve, e as effects, c as color, d as defaults, i as isObject, b as isArray, v as valueOrDefault, u as unlistenArrayEvents, l as listenArrayEvents, f as resolveObjectKey, g as isNumberFinite, h as createContext, j as defined, s as sign, k as isNullOrUndef, _ as _arrayUnique, t as toRadians, m as toPercentage, n as toDimension, T as TAU, o as formatNumber, p as _angleBetween, H as HALF_PI, P as PI, q as _getStartAndCountOfVisiblePoints, w as _scaleRangesChanged, x as isNumber, y as _parseObjectDataRadialScale, z as log10, A as _factorize, B as finiteOrDefault, C as callback, D as _addGrace, E as _limitValue, F as toDegrees, G as _measureText, I as _int16Range, J as _alignPixel, K as toPadding, L as clipArea, M as renderText, N as unclipArea, O as toFont, Q as each, R as _toLeftRightCenter, S as _alignStartEnd, U as overrides, V as merge, W as _capitalize, X as getRelativePosition, Y as _rlookupByKey, Z as _lookupByKey, $ as _isPointInArea, a0 as getAngleFromPoint, a1 as getMaximumSize, a2 as _getParentNode, a3 as readUsedSize, a4 as throttled, a5 as supportsEventListenerOptions, a6 as _isDomSupported, a7 as descriptors, a8 as isFunction, a9 as _attachContext, aa as _createResolver, ab as _descriptors, ac as mergeIf, ad as uid, ae as debounce, af as retinaScale, ag as clearCanvas, ah as setsEqual, ai as _elementsEqual, aj as _isClickEvent, ak as _isBetween, al as _readValueToProps, am as _updateBezierControlPoints, an as _computeSegments, ao as _boundSegments, ap as _steppedInterpolation, aq as _bezierInterpolation, ar as _pointInLine, as as _steppedLineTo, at as _bezierCurveTo, au as drawPoint, av as addRoundedRectPath, aw as toTRBL, ax as toTRBLCorners, ay as _boundSegment, az as _normalizeAngle, aA as getRtlAdapter, aB as overrideTextDirection, aC as _textX, aD as restoreTextDirection, aE as drawPointLegend, aF as noop, aG as distanceBetweenPoints, aH as _setMinAndMaxByKey, aI as niceNum, aJ as almostWhole, aK as almostEquals, aL as _decimalPlaces, aM as _longestText, aN as _filterBetween, aO as _lookup } from './chunks/helpers.segment.mjs';\nexport { d as defaults } from './chunks/helpers.segment.mjs';\n\nclass Animator {\n constructor() {\n this._request = null;\n this._charts = new Map();\n this._running = false;\n this._lastDate = undefined;\n }\n _notify(chart, anims, date, type) {\n const callbacks = anims.listeners[type];\n const numSteps = anims.duration;\n callbacks.forEach(fn => fn({\n chart,\n initial: anims.initial,\n numSteps,\n currentStep: Math.min(date - anims.start, numSteps)\n }));\n }\n _refresh() {\n if (this._request) {\n return;\n }\n this._running = true;\n this._request = requestAnimFrame.call(window, () => {\n this._update();\n this._request = null;\n if (this._running) {\n this._refresh();\n }\n });\n }\n _update(date = Date.now()) {\n let remaining = 0;\n this._charts.forEach((anims, chart) => {\n if (!anims.running || !anims.items.length) {\n return;\n }\n const items = anims.items;\n let i = items.length - 1;\n let draw = false;\n let item;\n for (; i >= 0; --i) {\n item = items[i];\n if (item._active) {\n if (item._total > anims.duration) {\n anims.duration = item._total;\n }\n item.tick(date);\n draw = true;\n } else {\n items[i] = items[items.length - 1];\n items.pop();\n }\n }\n if (draw) {\n chart.draw();\n this._notify(chart, anims, date, 'progress');\n }\n if (!items.length) {\n anims.running = false;\n this._notify(chart, anims, date, 'complete');\n anims.initial = false;\n }\n remaining += items.length;\n });\n this._lastDate = date;\n if (remaining === 0) {\n this._running = false;\n }\n }\n _getAnims(chart) {\n const charts = this._charts;\n let anims = charts.get(chart);\n if (!anims) {\n anims = {\n running: false,\n initial: true,\n items: [],\n listeners: {\n complete: [],\n progress: []\n }\n };\n charts.set(chart, anims);\n }\n return anims;\n }\n listen(chart, event, cb) {\n this._getAnims(chart).listeners[event].push(cb);\n }\n add(chart, items) {\n if (!items || !items.length) {\n return;\n }\n this._getAnims(chart).items.push(...items);\n }\n has(chart) {\n return this._getAnims(chart).items.length > 0;\n }\n start(chart) {\n const anims = this._charts.get(chart);\n if (!anims) {\n return;\n }\n anims.running = true;\n anims.start = Date.now();\n anims.duration = anims.items.reduce((acc, cur) => Math.max(acc, cur._duration), 0);\n this._refresh();\n }\n running(chart) {\n if (!this._running) {\n return false;\n }\n const anims = this._charts.get(chart);\n if (!anims || !anims.running || !anims.items.length) {\n return false;\n }\n return true;\n }\n stop(chart) {\n const anims = this._charts.get(chart);\n if (!anims || !anims.items.length) {\n return;\n }\n const items = anims.items;\n let i = items.length - 1;\n for (; i >= 0; --i) {\n items[i].cancel();\n }\n anims.items = [];\n this._notify(chart, anims, Date.now(), 'complete');\n }\n remove(chart) {\n return this._charts.delete(chart);\n }\n}\nvar animator = new Animator();\n\nconst transparent = 'transparent';\nconst interpolators = {\n boolean(from, to, factor) {\n return factor > 0.5 ? to : from;\n },\n color(from, to, factor) {\n const c0 = color(from || transparent);\n const c1 = c0.valid && color(to || transparent);\n return c1 && c1.valid\n ? c1.mix(c0, factor).hexString()\n : to;\n },\n number(from, to, factor) {\n return from + (to - from) * factor;\n }\n};\nclass Animation {\n constructor(cfg, target, prop, to) {\n const currentValue = target[prop];\n to = resolve([cfg.to, to, currentValue, cfg.from]);\n const from = resolve([cfg.from, currentValue, to]);\n this._active = true;\n this._fn = cfg.fn || interpolators[cfg.type || typeof from];\n this._easing = effects[cfg.easing] || effects.linear;\n this._start = Math.floor(Date.now() + (cfg.delay || 0));\n this._duration = this._total = Math.floor(cfg.duration);\n this._loop = !!cfg.loop;\n this._target = target;\n this._prop = prop;\n this._from = from;\n this._to = to;\n this._promises = undefined;\n }\n active() {\n return this._active;\n }\n update(cfg, to, date) {\n if (this._active) {\n this._notify(false);\n const currentValue = this._target[this._prop];\n const elapsed = date - this._start;\n const remain = this._duration - elapsed;\n this._start = date;\n this._duration = Math.floor(Math.max(remain, cfg.duration));\n this._total += elapsed;\n this._loop = !!cfg.loop;\n this._to = resolve([cfg.to, to, currentValue, cfg.from]);\n this._from = resolve([cfg.from, currentValue, to]);\n }\n }\n cancel() {\n if (this._active) {\n this.tick(Date.now());\n this._active = false;\n this._notify(false);\n }\n }\n tick(date) {\n const elapsed = date - this._start;\n const duration = this._duration;\n const prop = this._prop;\n const from = this._from;\n const loop = this._loop;\n const to = this._to;\n let factor;\n this._active = from !== to && (loop || (elapsed < duration));\n if (!this._active) {\n this._target[prop] = to;\n this._notify(true);\n return;\n }\n if (elapsed < 0) {\n this._target[prop] = from;\n return;\n }\n factor = (elapsed / duration) % 2;\n factor = loop && factor > 1 ? 2 - factor : factor;\n factor = this._easing(Math.min(1, Math.max(0, factor)));\n this._target[prop] = this._fn(from, to, factor);\n }\n wait() {\n const promises = this._promises || (this._promises = []);\n return new Promise((res, rej) => {\n promises.push({res, rej});\n });\n }\n _notify(resolved) {\n const method = resolved ? 'res' : 'rej';\n const promises = this._promises || [];\n for (let i = 0; i < promises.length; i++) {\n promises[i][method]();\n }\n }\n}\n\nconst numbers = ['x', 'y', 'borderWidth', 'radius', 'tension'];\nconst colors = ['color', 'borderColor', 'backgroundColor'];\ndefaults.set('animation', {\n delay: undefined,\n duration: 1000,\n easing: 'easeOutQuart',\n fn: undefined,\n from: undefined,\n loop: undefined,\n to: undefined,\n type: undefined,\n});\nconst animationOptions = Object.keys(defaults.animation);\ndefaults.describe('animation', {\n _fallback: false,\n _indexable: false,\n _scriptable: (name) => name !== 'onProgress' && name !== 'onComplete' && name !== 'fn',\n});\ndefaults.set('animations', {\n colors: {\n type: 'color',\n properties: colors\n },\n numbers: {\n type: 'number',\n properties: numbers\n },\n});\ndefaults.describe('animations', {\n _fallback: 'animation',\n});\ndefaults.set('transitions', {\n active: {\n animation: {\n duration: 400\n }\n },\n resize: {\n animation: {\n duration: 0\n }\n },\n show: {\n animations: {\n colors: {\n from: 'transparent'\n },\n visible: {\n type: 'boolean',\n duration: 0\n },\n }\n },\n hide: {\n animations: {\n colors: {\n to: 'transparent'\n },\n visible: {\n type: 'boolean',\n easing: 'linear',\n fn: v => v | 0\n },\n }\n }\n});\nclass Animations {\n constructor(chart, config) {\n this._chart = chart;\n this._properties = new Map();\n this.configure(config);\n }\n configure(config) {\n if (!isObject(config)) {\n return;\n }\n const animatedProps = this._properties;\n Object.getOwnPropertyNames(config).forEach(key => {\n const cfg = config[key];\n if (!isObject(cfg)) {\n return;\n }\n const resolved = {};\n for (const option of animationOptions) {\n resolved[option] = cfg[option];\n }\n (isArray(cfg.properties) && cfg.properties || [key]).forEach((prop) => {\n if (prop === key || !animatedProps.has(prop)) {\n animatedProps.set(prop, resolved);\n }\n });\n });\n }\n _animateOptions(target, values) {\n const newOptions = values.options;\n const options = resolveTargetOptions(target, newOptions);\n if (!options) {\n return [];\n }\n const animations = this._createAnimations(options, newOptions);\n if (newOptions.$shared) {\n awaitAll(target.options.$animations, newOptions).then(() => {\n target.options = newOptions;\n }, () => {\n });\n }\n return animations;\n }\n _createAnimations(target, values) {\n const animatedProps = this._properties;\n const animations = [];\n const running = target.$animations || (target.$animations = {});\n const props = Object.keys(values);\n const date = Date.now();\n let i;\n for (i = props.length - 1; i >= 0; --i) {\n const prop = props[i];\n if (prop.charAt(0) === '$') {\n continue;\n }\n if (prop === 'options') {\n animations.push(...this._animateOptions(target, values));\n continue;\n }\n const value = values[prop];\n let animation = running[prop];\n const cfg = animatedProps.get(prop);\n if (animation) {\n if (cfg && animation.active()) {\n animation.update(cfg, value, date);\n continue;\n } else {\n animation.cancel();\n }\n }\n if (!cfg || !cfg.duration) {\n target[prop] = value;\n continue;\n }\n running[prop] = animation = new Animation(cfg, target, prop, value);\n animations.push(animation);\n }\n return animations;\n }\n update(target, values) {\n if (this._properties.size === 0) {\n Object.assign(target, values);\n return;\n }\n const animations = this._createAnimations(target, values);\n if (animations.length) {\n animator.add(this._chart, animations);\n return true;\n }\n }\n}\nfunction awaitAll(animations, properties) {\n const running = [];\n const keys = Object.keys(properties);\n for (let i = 0; i < keys.length; i++) {\n const anim = animations[keys[i]];\n if (anim && anim.active()) {\n running.push(anim.wait());\n }\n }\n return Promise.all(running);\n}\nfunction resolveTargetOptions(target, newOptions) {\n if (!newOptions) {\n return;\n }\n let options = target.options;\n if (!options) {\n target.options = newOptions;\n return;\n }\n if (options.$shared) {\n target.options = options = Object.assign({}, options, {$shared: false, $animations: {}});\n }\n return options;\n}\n\nfunction scaleClip(scale, allowedOverflow) {\n const opts = scale && scale.options || {};\n const reverse = opts.reverse;\n const min = opts.min === undefined ? allowedOverflow : 0;\n const max = opts.max === undefined ? allowedOverflow : 0;\n return {\n start: reverse ? max : min,\n end: reverse ? min : max\n };\n}\nfunction defaultClip(xScale, yScale, allowedOverflow) {\n if (allowedOverflow === false) {\n return false;\n }\n const x = scaleClip(xScale, allowedOverflow);\n const y = scaleClip(yScale, allowedOverflow);\n return {\n top: y.end,\n right: x.end,\n bottom: y.start,\n left: x.start\n };\n}\nfunction toClip(value) {\n let t, r, b, l;\n if (isObject(value)) {\n t = value.top;\n r = value.right;\n b = value.bottom;\n l = value.left;\n } else {\n t = r = b = l = value;\n }\n return {\n top: t,\n right: r,\n bottom: b,\n left: l,\n disabled: value === false\n };\n}\nfunction getSortedDatasetIndices(chart, filterVisible) {\n const keys = [];\n const metasets = chart._getSortedDatasetMetas(filterVisible);\n let i, ilen;\n for (i = 0, ilen = metasets.length; i < ilen; ++i) {\n keys.push(metasets[i].index);\n }\n return keys;\n}\nfunction applyStack(stack, value, dsIndex, options = {}) {\n const keys = stack.keys;\n const singleMode = options.mode === 'single';\n let i, ilen, datasetIndex, otherValue;\n if (value === null) {\n return;\n }\n for (i = 0, ilen = keys.length; i < ilen; ++i) {\n datasetIndex = +keys[i];\n if (datasetIndex === dsIndex) {\n if (options.all) {\n continue;\n }\n break;\n }\n otherValue = stack.values[datasetIndex];\n if (isNumberFinite(otherValue) && (singleMode || (value === 0 || sign(value) === sign(otherValue)))) {\n value += otherValue;\n }\n }\n return value;\n}\nfunction convertObjectDataToArray(data) {\n const keys = Object.keys(data);\n const adata = new Array(keys.length);\n let i, ilen, key;\n for (i = 0, ilen = keys.length; i < ilen; ++i) {\n key = keys[i];\n adata[i] = {\n x: key,\n y: data[key]\n };\n }\n return adata;\n}\nfunction isStacked(scale, meta) {\n const stacked = scale && scale.options.stacked;\n return stacked || (stacked === undefined && meta.stack !== undefined);\n}\nfunction getStackKey(indexScale, valueScale, meta) {\n return `${indexScale.id}.${valueScale.id}.${meta.stack || meta.type}`;\n}\nfunction getUserBounds(scale) {\n const {min, max, minDefined, maxDefined} = scale.getUserBounds();\n return {\n min: minDefined ? min : Number.NEGATIVE_INFINITY,\n max: maxDefined ? max : Number.POSITIVE_INFINITY\n };\n}\nfunction getOrCreateStack(stacks, stackKey, indexValue) {\n const subStack = stacks[stackKey] || (stacks[stackKey] = {});\n return subStack[indexValue] || (subStack[indexValue] = {});\n}\nfunction getLastIndexInStack(stack, vScale, positive, type) {\n for (const meta of vScale.getMatchingVisibleMetas(type).reverse()) {\n const value = stack[meta.index];\n if ((positive && value > 0) || (!positive && value < 0)) {\n return meta.index;\n }\n }\n return null;\n}\nfunction updateStacks(controller, parsed) {\n const {chart, _cachedMeta: meta} = controller;\n const stacks = chart._stacks || (chart._stacks = {});\n const {iScale, vScale, index: datasetIndex} = meta;\n const iAxis = iScale.axis;\n const vAxis = vScale.axis;\n const key = getStackKey(iScale, vScale, meta);\n const ilen = parsed.length;\n let stack;\n for (let i = 0; i < ilen; ++i) {\n const item = parsed[i];\n const {[iAxis]: index, [vAxis]: value} = item;\n const itemStacks = item._stacks || (item._stacks = {});\n stack = itemStacks[vAxis] = getOrCreateStack(stacks, key, index);\n stack[datasetIndex] = value;\n stack._top = getLastIndexInStack(stack, vScale, true, meta.type);\n stack._bottom = getLastIndexInStack(stack, vScale, false, meta.type);\n }\n}\nfunction getFirstScaleId(chart, axis) {\n const scales = chart.scales;\n return Object.keys(scales).filter(key => scales[key].axis === axis).shift();\n}\nfunction createDatasetContext(parent, index) {\n return createContext(parent,\n {\n active: false,\n dataset: undefined,\n datasetIndex: index,\n index,\n mode: 'default',\n type: 'dataset'\n }\n );\n}\nfunction createDataContext(parent, index, element) {\n return createContext(parent, {\n active: false,\n dataIndex: index,\n parsed: undefined,\n raw: undefined,\n element,\n index,\n mode: 'default',\n type: 'data'\n });\n}\nfunction clearStacks(meta, items) {\n const datasetIndex = meta.controller.index;\n const axis = meta.vScale && meta.vScale.axis;\n if (!axis) {\n return;\n }\n items = items || meta._parsed;\n for (const parsed of items) {\n const stacks = parsed._stacks;\n if (!stacks || stacks[axis] === undefined || stacks[axis][datasetIndex] === undefined) {\n return;\n }\n delete stacks[axis][datasetIndex];\n }\n}\nconst isDirectUpdateMode = (mode) => mode === 'reset' || mode === 'none';\nconst cloneIfNotShared = (cached, shared) => shared ? cached : Object.assign({}, cached);\nconst createStack = (canStack, meta, chart) => canStack && !meta.hidden && meta._stacked\n && {keys: getSortedDatasetIndices(chart, true), values: null};\nclass DatasetController {\n constructor(chart, datasetIndex) {\n this.chart = chart;\n this._ctx = chart.ctx;\n this.index = datasetIndex;\n this._cachedDataOpts = {};\n this._cachedMeta = this.getMeta();\n this._type = this._cachedMeta.type;\n this.options = undefined;\n this._parsing = false;\n this._data = undefined;\n this._objectData = undefined;\n this._sharedOptions = undefined;\n this._drawStart = undefined;\n this._drawCount = undefined;\n this.enableOptionSharing = false;\n this.supportsDecimation = false;\n this.$context = undefined;\n this._syncList = [];\n this.initialize();\n }\n initialize() {\n const meta = this._cachedMeta;\n this.configure();\n this.linkScales();\n meta._stacked = isStacked(meta.vScale, meta);\n this.addElements();\n }\n updateIndex(datasetIndex) {\n if (this.index !== datasetIndex) {\n clearStacks(this._cachedMeta);\n }\n this.index = datasetIndex;\n }\n linkScales() {\n const chart = this.chart;\n const meta = this._cachedMeta;\n const dataset = this.getDataset();\n const chooseId = (axis, x, y, r) => axis === 'x' ? x : axis === 'r' ? r : y;\n const xid = meta.xAxisID = valueOrDefault(dataset.xAxisID, getFirstScaleId(chart, 'x'));\n const yid = meta.yAxisID = valueOrDefault(dataset.yAxisID, getFirstScaleId(chart, 'y'));\n const rid = meta.rAxisID = valueOrDefault(dataset.rAxisID, getFirstScaleId(chart, 'r'));\n const indexAxis = meta.indexAxis;\n const iid = meta.iAxisID = chooseId(indexAxis, xid, yid, rid);\n const vid = meta.vAxisID = chooseId(indexAxis, yid, xid, rid);\n meta.xScale = this.getScaleForId(xid);\n meta.yScale = this.getScaleForId(yid);\n meta.rScale = this.getScaleForId(rid);\n meta.iScale = this.getScaleForId(iid);\n meta.vScale = this.getScaleForId(vid);\n }\n getDataset() {\n return this.chart.data.datasets[this.index];\n }\n getMeta() {\n return this.chart.getDatasetMeta(this.index);\n }\n getScaleForId(scaleID) {\n return this.chart.scales[scaleID];\n }\n _getOtherScale(scale) {\n const meta = this._cachedMeta;\n return scale === meta.iScale\n ? meta.vScale\n : meta.iScale;\n }\n reset() {\n this._update('reset');\n }\n _destroy() {\n const meta = this._cachedMeta;\n if (this._data) {\n unlistenArrayEvents(this._data, this);\n }\n if (meta._stacked) {\n clearStacks(meta);\n }\n }\n _dataCheck() {\n const dataset = this.getDataset();\n const data = dataset.data || (dataset.data = []);\n const _data = this._data;\n if (isObject(data)) {\n this._data = convertObjectDataToArray(data);\n } else if (_data !== data) {\n if (_data) {\n unlistenArrayEvents(_data, this);\n const meta = this._cachedMeta;\n clearStacks(meta);\n meta._parsed = [];\n }\n if (data && Object.isExtensible(data)) {\n listenArrayEvents(data, this);\n }\n this._syncList = [];\n this._data = data;\n }\n }\n addElements() {\n const meta = this._cachedMeta;\n this._dataCheck();\n if (this.datasetElementType) {\n meta.dataset = new this.datasetElementType();\n }\n }\n buildOrUpdateElements(resetNewElements) {\n const meta = this._cachedMeta;\n const dataset = this.getDataset();\n let stackChanged = false;\n this._dataCheck();\n const oldStacked = meta._stacked;\n meta._stacked = isStacked(meta.vScale, meta);\n if (meta.stack !== dataset.stack) {\n stackChanged = true;\n clearStacks(meta);\n meta.stack = dataset.stack;\n }\n this._resyncElements(resetNewElements);\n if (stackChanged || oldStacked !== meta._stacked) {\n updateStacks(this, meta._parsed);\n }\n }\n configure() {\n const config = this.chart.config;\n const scopeKeys = config.datasetScopeKeys(this._type);\n const scopes = config.getOptionScopes(this.getDataset(), scopeKeys, true);\n this.options = config.createResolver(scopes, this.getContext());\n this._parsing = this.options.parsing;\n this._cachedDataOpts = {};\n }\n parse(start, count) {\n const {_cachedMeta: meta, _data: data} = this;\n const {iScale, _stacked} = meta;\n const iAxis = iScale.axis;\n let sorted = start === 0 && count === data.length ? true : meta._sorted;\n let prev = start > 0 && meta._parsed[start - 1];\n let i, cur, parsed;\n if (this._parsing === false) {\n meta._parsed = data;\n meta._sorted = true;\n parsed = data;\n } else {\n if (isArray(data[start])) {\n parsed = this.parseArrayData(meta, data, start, count);\n } else if (isObject(data[start])) {\n parsed = this.parseObjectData(meta, data, start, count);\n } else {\n parsed = this.parsePrimitiveData(meta, data, start, count);\n }\n const isNotInOrderComparedToPrev = () => cur[iAxis] === null || (prev && cur[iAxis] < prev[iAxis]);\n for (i = 0; i < count; ++i) {\n meta._parsed[i + start] = cur = parsed[i];\n if (sorted) {\n if (isNotInOrderComparedToPrev()) {\n sorted = false;\n }\n prev = cur;\n }\n }\n meta._sorted = sorted;\n }\n if (_stacked) {\n updateStacks(this, parsed);\n }\n }\n parsePrimitiveData(meta, data, start, count) {\n const {iScale, vScale} = meta;\n const iAxis = iScale.axis;\n const vAxis = vScale.axis;\n const labels = iScale.getLabels();\n const singleScale = iScale === vScale;\n const parsed = new Array(count);\n let i, ilen, index;\n for (i = 0, ilen = count; i < ilen; ++i) {\n index = i + start;\n parsed[i] = {\n [iAxis]: singleScale || iScale.parse(labels[index], index),\n [vAxis]: vScale.parse(data[index], index)\n };\n }\n return parsed;\n }\n parseArrayData(meta, data, start, count) {\n const {xScale, yScale} = meta;\n const parsed = new Array(count);\n let i, ilen, index, item;\n for (i = 0, ilen = count; i < ilen; ++i) {\n index = i + start;\n item = data[index];\n parsed[i] = {\n x: xScale.parse(item[0], index),\n y: yScale.parse(item[1], index)\n };\n }\n return parsed;\n }\n parseObjectData(meta, data, start, count) {\n const {xScale, yScale} = meta;\n const {xAxisKey = 'x', yAxisKey = 'y'} = this._parsing;\n const parsed = new Array(count);\n let i, ilen, index, item;\n for (i = 0, ilen = count; i < ilen; ++i) {\n index = i + start;\n item = data[index];\n parsed[i] = {\n x: xScale.parse(resolveObjectKey(item, xAxisKey), index),\n y: yScale.parse(resolveObjectKey(item, yAxisKey), index)\n };\n }\n return parsed;\n }\n getParsed(index) {\n return this._cachedMeta._parsed[index];\n }\n getDataElement(index) {\n return this._cachedMeta.data[index];\n }\n applyStack(scale, parsed, mode) {\n const chart = this.chart;\n const meta = this._cachedMeta;\n const value = parsed[scale.axis];\n const stack = {\n keys: getSortedDatasetIndices(chart, true),\n values: parsed._stacks[scale.axis]\n };\n return applyStack(stack, value, meta.index, {mode});\n }\n updateRangeFromParsed(range, scale, parsed, stack) {\n const parsedValue = parsed[scale.axis];\n let value = parsedValue === null ? NaN : parsedValue;\n const values = stack && parsed._stacks[scale.axis];\n if (stack && values) {\n stack.values = values;\n value = applyStack(stack, parsedValue, this._cachedMeta.index);\n }\n range.min = Math.min(range.min, value);\n range.max = Math.max(range.max, value);\n }\n getMinMax(scale, canStack) {\n const meta = this._cachedMeta;\n const _parsed = meta._parsed;\n const sorted = meta._sorted && scale === meta.iScale;\n const ilen = _parsed.length;\n const otherScale = this._getOtherScale(scale);\n const stack = createStack(canStack, meta, this.chart);\n const range = {min: Number.POSITIVE_INFINITY, max: Number.NEGATIVE_INFINITY};\n const {min: otherMin, max: otherMax} = getUserBounds(otherScale);\n let i, parsed;\n function _skip() {\n parsed = _parsed[i];\n const otherValue = parsed[otherScale.axis];\n return !isNumberFinite(parsed[scale.axis]) || otherMin > otherValue || otherMax < otherValue;\n }\n for (i = 0; i < ilen; ++i) {\n if (_skip()) {\n continue;\n }\n this.updateRangeFromParsed(range, scale, parsed, stack);\n if (sorted) {\n break;\n }\n }\n if (sorted) {\n for (i = ilen - 1; i >= 0; --i) {\n if (_skip()) {\n continue;\n }\n this.updateRangeFromParsed(range, scale, parsed, stack);\n break;\n }\n }\n return range;\n }\n getAllParsedValues(scale) {\n const parsed = this._cachedMeta._parsed;\n const values = [];\n let i, ilen, value;\n for (i = 0, ilen = parsed.length; i < ilen; ++i) {\n value = parsed[i][scale.axis];\n if (isNumberFinite(value)) {\n values.push(value);\n }\n }\n return values;\n }\n getMaxOverflow() {\n return false;\n }\n getLabelAndValue(index) {\n const meta = this._cachedMeta;\n const iScale = meta.iScale;\n const vScale = meta.vScale;\n const parsed = this.getParsed(index);\n return {\n label: iScale ? '' + iScale.getLabelForValue(parsed[iScale.axis]) : '',\n value: vScale ? '' + vScale.getLabelForValue(parsed[vScale.axis]) : ''\n };\n }\n _update(mode) {\n const meta = this._cachedMeta;\n this.update(mode || 'default');\n meta._clip = toClip(valueOrDefault(this.options.clip, defaultClip(meta.xScale, meta.yScale, this.getMaxOverflow())));\n }\n update(mode) {}\n draw() {\n const ctx = this._ctx;\n const chart = this.chart;\n const meta = this._cachedMeta;\n const elements = meta.data || [];\n const area = chart.chartArea;\n const active = [];\n const start = this._drawStart || 0;\n const count = this._drawCount || (elements.length - start);\n const drawActiveElementsOnTop = this.options.drawActiveElementsOnTop;\n let i;\n if (meta.dataset) {\n meta.dataset.draw(ctx, area, start, count);\n }\n for (i = start; i < start + count; ++i) {\n const element = elements[i];\n if (element.hidden) {\n continue;\n }\n if (element.active && drawActiveElementsOnTop) {\n active.push(element);\n } else {\n element.draw(ctx, area);\n }\n }\n for (i = 0; i < active.length; ++i) {\n active[i].draw(ctx, area);\n }\n }\n getStyle(index, active) {\n const mode = active ? 'active' : 'default';\n return index === undefined && this._cachedMeta.dataset\n ? this.resolveDatasetElementOptions(mode)\n : this.resolveDataElementOptions(index || 0, mode);\n }\n getContext(index, active, mode) {\n const dataset = this.getDataset();\n let context;\n if (index >= 0 && index < this._cachedMeta.data.length) {\n const element = this._cachedMeta.data[index];\n context = element.$context ||\n (element.$context = createDataContext(this.getContext(), index, element));\n context.parsed = this.getParsed(index);\n context.raw = dataset.data[index];\n context.index = context.dataIndex = index;\n } else {\n context = this.$context ||\n (this.$context = createDatasetContext(this.chart.getContext(), this.index));\n context.dataset = dataset;\n context.index = context.datasetIndex = this.index;\n }\n context.active = !!active;\n context.mode = mode;\n return context;\n }\n resolveDatasetElementOptions(mode) {\n return this._resolveElementOptions(this.datasetElementType.id, mode);\n }\n resolveDataElementOptions(index, mode) {\n return this._resolveElementOptions(this.dataElementType.id, mode, index);\n }\n _resolveElementOptions(elementType, mode = 'default', index) {\n const active = mode === 'active';\n const cache = this._cachedDataOpts;\n const cacheKey = elementType + '-' + mode;\n const cached = cache[cacheKey];\n const sharing = this.enableOptionSharing && defined(index);\n if (cached) {\n return cloneIfNotShared(cached, sharing);\n }\n const config = this.chart.config;\n const scopeKeys = config.datasetElementScopeKeys(this._type, elementType);\n const prefixes = active ? [`${elementType}Hover`, 'hover', elementType, ''] : [elementType, ''];\n const scopes = config.getOptionScopes(this.getDataset(), scopeKeys);\n const names = Object.keys(defaults.elements[elementType]);\n const context = () => this.getContext(index, active);\n const values = config.resolveNamedOptions(scopes, names, context, prefixes);\n if (values.$shared) {\n values.$shared = sharing;\n cache[cacheKey] = Object.freeze(cloneIfNotShared(values, sharing));\n }\n return values;\n }\n _resolveAnimations(index, transition, active) {\n const chart = this.chart;\n const cache = this._cachedDataOpts;\n const cacheKey = `animation-${transition}`;\n const cached = cache[cacheKey];\n if (cached) {\n return cached;\n }\n let options;\n if (chart.options.animation !== false) {\n const config = this.chart.config;\n const scopeKeys = config.datasetAnimationScopeKeys(this._type, transition);\n const scopes = config.getOptionScopes(this.getDataset(), scopeKeys);\n options = config.createResolver(scopes, this.getContext(index, active, transition));\n }\n const animations = new Animations(chart, options && options.animations);\n if (options && options._cacheable) {\n cache[cacheKey] = Object.freeze(animations);\n }\n return animations;\n }\n getSharedOptions(options) {\n if (!options.$shared) {\n return;\n }\n return this._sharedOptions || (this._sharedOptions = Object.assign({}, options));\n }\n includeOptions(mode, sharedOptions) {\n return !sharedOptions || isDirectUpdateMode(mode) || this.chart._animationsDisabled;\n }\n _getSharedOptions(start, mode) {\n const firstOpts = this.resolveDataElementOptions(start, mode);\n const previouslySharedOptions = this._sharedOptions;\n const sharedOptions = this.getSharedOptions(firstOpts);\n const includeOptions = this.includeOptions(mode, sharedOptions) || (sharedOptions !== previouslySharedOptions);\n this.updateSharedOptions(sharedOptions, mode, firstOpts);\n return {sharedOptions, includeOptions};\n }\n updateElement(element, index, properties, mode) {\n if (isDirectUpdateMode(mode)) {\n Object.assign(element, properties);\n } else {\n this._resolveAnimations(index, mode).update(element, properties);\n }\n }\n updateSharedOptions(sharedOptions, mode, newOptions) {\n if (sharedOptions && !isDirectUpdateMode(mode)) {\n this._resolveAnimations(undefined, mode).update(sharedOptions, newOptions);\n }\n }\n _setStyle(element, index, mode, active) {\n element.active = active;\n const options = this.getStyle(index, active);\n this._resolveAnimations(index, mode, active).update(element, {\n options: (!active && this.getSharedOptions(options)) || options\n });\n }\n removeHoverStyle(element, datasetIndex, index) {\n this._setStyle(element, index, 'active', false);\n }\n setHoverStyle(element, datasetIndex, index) {\n this._setStyle(element, index, 'active', true);\n }\n _removeDatasetHoverStyle() {\n const element = this._cachedMeta.dataset;\n if (element) {\n this._setStyle(element, undefined, 'active', false);\n }\n }\n _setDatasetHoverStyle() {\n const element = this._cachedMeta.dataset;\n if (element) {\n this._setStyle(element, undefined, 'active', true);\n }\n }\n _resyncElements(resetNewElements) {\n const data = this._data;\n const elements = this._cachedMeta.data;\n for (const [method, arg1, arg2] of this._syncList) {\n this[method](arg1, arg2);\n }\n this._syncList = [];\n const numMeta = elements.length;\n const numData = data.length;\n const count = Math.min(numData, numMeta);\n if (count) {\n this.parse(0, count);\n }\n if (numData > numMeta) {\n this._insertElements(numMeta, numData - numMeta, resetNewElements);\n } else if (numData < numMeta) {\n this._removeElements(numData, numMeta - numData);\n }\n }\n _insertElements(start, count, resetNewElements = true) {\n const meta = this._cachedMeta;\n const data = meta.data;\n const end = start + count;\n let i;\n const move = (arr) => {\n arr.length += count;\n for (i = arr.length - 1; i >= end; i--) {\n arr[i] = arr[i - count];\n }\n };\n move(data);\n for (i = start; i < end; ++i) {\n data[i] = new this.dataElementType();\n }\n if (this._parsing) {\n move(meta._parsed);\n }\n this.parse(start, count);\n if (resetNewElements) {\n this.updateElements(data, start, count, 'reset');\n }\n }\n updateElements(element, start, count, mode) {}\n _removeElements(start, count) {\n const meta = this._cachedMeta;\n if (this._parsing) {\n const removed = meta._parsed.splice(start, count);\n if (meta._stacked) {\n clearStacks(meta, removed);\n }\n }\n meta.data.splice(start, count);\n }\n _sync(args) {\n if (this._parsing) {\n this._syncList.push(args);\n } else {\n const [method, arg1, arg2] = args;\n this[method](arg1, arg2);\n }\n this.chart._dataChanges.push([this.index, ...args]);\n }\n _onDataPush() {\n const count = arguments.length;\n this._sync(['_insertElements', this.getDataset().data.length - count, count]);\n }\n _onDataPop() {\n this._sync(['_removeElements', this._cachedMeta.data.length - 1, 1]);\n }\n _onDataShift() {\n this._sync(['_removeElements', 0, 1]);\n }\n _onDataSplice(start, count) {\n if (count) {\n this._sync(['_removeElements', start, count]);\n }\n const newCount = arguments.length - 2;\n if (newCount) {\n this._sync(['_insertElements', start, newCount]);\n }\n }\n _onDataUnshift() {\n this._sync(['_insertElements', 0, arguments.length]);\n }\n}\nDatasetController.defaults = {};\nDatasetController.prototype.datasetElementType = null;\nDatasetController.prototype.dataElementType = null;\n\nfunction getAllScaleValues(scale, type) {\n if (!scale._cache.$bar) {\n const visibleMetas = scale.getMatchingVisibleMetas(type);\n let values = [];\n for (let i = 0, ilen = visibleMetas.length; i < ilen; i++) {\n values = values.concat(visibleMetas[i].controller.getAllParsedValues(scale));\n }\n scale._cache.$bar = _arrayUnique(values.sort((a, b) => a - b));\n }\n return scale._cache.$bar;\n}\nfunction computeMinSampleSize(meta) {\n const scale = meta.iScale;\n const values = getAllScaleValues(scale, meta.type);\n let min = scale._length;\n let i, ilen, curr, prev;\n const updateMinAndPrev = () => {\n if (curr === 32767 || curr === -32768) {\n return;\n }\n if (defined(prev)) {\n min = Math.min(min, Math.abs(curr - prev) || min);\n }\n prev = curr;\n };\n for (i = 0, ilen = values.length; i < ilen; ++i) {\n curr = scale.getPixelForValue(values[i]);\n updateMinAndPrev();\n }\n prev = undefined;\n for (i = 0, ilen = scale.ticks.length; i < ilen; ++i) {\n curr = scale.getPixelForTick(i);\n updateMinAndPrev();\n }\n return min;\n}\nfunction computeFitCategoryTraits(index, ruler, options, stackCount) {\n const thickness = options.barThickness;\n let size, ratio;\n if (isNullOrUndef(thickness)) {\n size = ruler.min * options.categoryPercentage;\n ratio = options.barPercentage;\n } else {\n size = thickness * stackCount;\n ratio = 1;\n }\n return {\n chunk: size / stackCount,\n ratio,\n start: ruler.pixels[index] - (size / 2)\n };\n}\nfunction computeFlexCategoryTraits(index, ruler, options, stackCount) {\n const pixels = ruler.pixels;\n const curr = pixels[index];\n let prev = index > 0 ? pixels[index - 1] : null;\n let next = index < pixels.length - 1 ? pixels[index + 1] : null;\n const percent = options.categoryPercentage;\n if (prev === null) {\n prev = curr - (next === null ? ruler.end - ruler.start : next - curr);\n }\n if (next === null) {\n next = curr + curr - prev;\n }\n const start = curr - (curr - Math.min(prev, next)) / 2 * percent;\n const size = Math.abs(next - prev) / 2 * percent;\n return {\n chunk: size / stackCount,\n ratio: options.barPercentage,\n start\n };\n}\nfunction parseFloatBar(entry, item, vScale, i) {\n const startValue = vScale.parse(entry[0], i);\n const endValue = vScale.parse(entry[1], i);\n const min = Math.min(startValue, endValue);\n const max = Math.max(startValue, endValue);\n let barStart = min;\n let barEnd = max;\n if (Math.abs(min) > Math.abs(max)) {\n barStart = max;\n barEnd = min;\n }\n item[vScale.axis] = barEnd;\n item._custom = {\n barStart,\n barEnd,\n start: startValue,\n end: endValue,\n min,\n max\n };\n}\nfunction parseValue(entry, item, vScale, i) {\n if (isArray(entry)) {\n parseFloatBar(entry, item, vScale, i);\n } else {\n item[vScale.axis] = vScale.parse(entry, i);\n }\n return item;\n}\nfunction parseArrayOrPrimitive(meta, data, start, count) {\n const iScale = meta.iScale;\n const vScale = meta.vScale;\n const labels = iScale.getLabels();\n const singleScale = iScale === vScale;\n const parsed = [];\n let i, ilen, item, entry;\n for (i = start, ilen = start + count; i < ilen; ++i) {\n entry = data[i];\n item = {};\n item[iScale.axis] = singleScale || iScale.parse(labels[i], i);\n parsed.push(parseValue(entry, item, vScale, i));\n }\n return parsed;\n}\nfunction isFloatBar(custom) {\n return custom && custom.barStart !== undefined && custom.barEnd !== undefined;\n}\nfunction barSign(size, vScale, actualBase) {\n if (size !== 0) {\n return sign(size);\n }\n return (vScale.isHorizontal() ? 1 : -1) * (vScale.min >= actualBase ? 1 : -1);\n}\nfunction borderProps(properties) {\n let reverse, start, end, top, bottom;\n if (properties.horizontal) {\n reverse = properties.base > properties.x;\n start = 'left';\n end = 'right';\n } else {\n reverse = properties.base < properties.y;\n start = 'bottom';\n end = 'top';\n }\n if (reverse) {\n top = 'end';\n bottom = 'start';\n } else {\n top = 'start';\n bottom = 'end';\n }\n return {start, end, reverse, top, bottom};\n}\nfunction setBorderSkipped(properties, options, stack, index) {\n let edge = options.borderSkipped;\n const res = {};\n if (!edge) {\n properties.borderSkipped = res;\n return;\n }\n if (edge === true) {\n properties.borderSkipped = {top: true, right: true, bottom: true, left: true};\n return;\n }\n const {start, end, reverse, top, bottom} = borderProps(properties);\n if (edge === 'middle' && stack) {\n properties.enableBorderRadius = true;\n if ((stack._top || 0) === index) {\n edge = top;\n } else if ((stack._bottom || 0) === index) {\n edge = bottom;\n } else {\n res[parseEdge(bottom, start, end, reverse)] = true;\n edge = top;\n }\n }\n res[parseEdge(edge, start, end, reverse)] = true;\n properties.borderSkipped = res;\n}\nfunction parseEdge(edge, a, b, reverse) {\n if (reverse) {\n edge = swap(edge, a, b);\n edge = startEnd(edge, b, a);\n } else {\n edge = startEnd(edge, a, b);\n }\n return edge;\n}\nfunction swap(orig, v1, v2) {\n return orig === v1 ? v2 : orig === v2 ? v1 : orig;\n}\nfunction startEnd(v, start, end) {\n return v === 'start' ? start : v === 'end' ? end : v;\n}\nfunction setInflateAmount(properties, {inflateAmount}, ratio) {\n properties.inflateAmount = inflateAmount === 'auto'\n ? ratio === 1 ? 0.33 : 0\n : inflateAmount;\n}\nclass BarController extends DatasetController {\n parsePrimitiveData(meta, data, start, count) {\n return parseArrayOrPrimitive(meta, data, start, count);\n }\n parseArrayData(meta, data, start, count) {\n return parseArrayOrPrimitive(meta, data, start, count);\n }\n parseObjectData(meta, data, start, count) {\n const {iScale, vScale} = meta;\n const {xAxisKey = 'x', yAxisKey = 'y'} = this._parsing;\n const iAxisKey = iScale.axis === 'x' ? xAxisKey : yAxisKey;\n const vAxisKey = vScale.axis === 'x' ? xAxisKey : yAxisKey;\n const parsed = [];\n let i, ilen, item, obj;\n for (i = start, ilen = start + count; i < ilen; ++i) {\n obj = data[i];\n item = {};\n item[iScale.axis] = iScale.parse(resolveObjectKey(obj, iAxisKey), i);\n parsed.push(parseValue(resolveObjectKey(obj, vAxisKey), item, vScale, i));\n }\n return parsed;\n }\n updateRangeFromParsed(range, scale, parsed, stack) {\n super.updateRangeFromParsed(range, scale, parsed, stack);\n const custom = parsed._custom;\n if (custom && scale === this._cachedMeta.vScale) {\n range.min = Math.min(range.min, custom.min);\n range.max = Math.max(range.max, custom.max);\n }\n }\n getMaxOverflow() {\n return 0;\n }\n getLabelAndValue(index) {\n const meta = this._cachedMeta;\n const {iScale, vScale} = meta;\n const parsed = this.getParsed(index);\n const custom = parsed._custom;\n const value = isFloatBar(custom)\n ? '[' + custom.start + ', ' + custom.end + ']'\n : '' + vScale.getLabelForValue(parsed[vScale.axis]);\n return {\n label: '' + iScale.getLabelForValue(parsed[iScale.axis]),\n value\n };\n }\n initialize() {\n this.enableOptionSharing = true;\n super.initialize();\n const meta = this._cachedMeta;\n meta.stack = this.getDataset().stack;\n }\n update(mode) {\n const meta = this._cachedMeta;\n this.updateElements(meta.data, 0, meta.data.length, mode);\n }\n updateElements(bars, start, count, mode) {\n const reset = mode === 'reset';\n const {index, _cachedMeta: {vScale}} = this;\n const base = vScale.getBasePixel();\n const horizontal = vScale.isHorizontal();\n const ruler = this._getRuler();\n const {sharedOptions, includeOptions} = this._getSharedOptions(start, mode);\n for (let i = start; i < start + count; i++) {\n const parsed = this.getParsed(i);\n const vpixels = reset || isNullOrUndef(parsed[vScale.axis]) ? {base, head: base} : this._calculateBarValuePixels(i);\n const ipixels = this._calculateBarIndexPixels(i, ruler);\n const stack = (parsed._stacks || {})[vScale.axis];\n const properties = {\n horizontal,\n base: vpixels.base,\n enableBorderRadius: !stack || isFloatBar(parsed._custom) || (index === stack._top || index === stack._bottom),\n x: horizontal ? vpixels.head : ipixels.center,\n y: horizontal ? ipixels.center : vpixels.head,\n height: horizontal ? ipixels.size : Math.abs(vpixels.size),\n width: horizontal ? Math.abs(vpixels.size) : ipixels.size\n };\n if (includeOptions) {\n properties.options = sharedOptions || this.resolveDataElementOptions(i, bars[i].active ? 'active' : mode);\n }\n const options = properties.options || bars[i].options;\n setBorderSkipped(properties, options, stack, index);\n setInflateAmount(properties, options, ruler.ratio);\n this.updateElement(bars[i], i, properties, mode);\n }\n }\n _getStacks(last, dataIndex) {\n const {iScale} = this._cachedMeta;\n const metasets = iScale.getMatchingVisibleMetas(this._type)\n .filter(meta => meta.controller.options.grouped);\n const stacked = iScale.options.stacked;\n const stacks = [];\n const skipNull = (meta) => {\n const parsed = meta.controller.getParsed(dataIndex);\n const val = parsed && parsed[meta.vScale.axis];\n if (isNullOrUndef(val) || isNaN(val)) {\n return true;\n }\n };\n for (const meta of metasets) {\n if (dataIndex !== undefined && skipNull(meta)) {\n continue;\n }\n if (stacked === false || stacks.indexOf(meta.stack) === -1 ||\n\t\t\t\t(stacked === undefined && meta.stack === undefined)) {\n stacks.push(meta.stack);\n }\n if (meta.index === last) {\n break;\n }\n }\n if (!stacks.length) {\n stacks.push(undefined);\n }\n return stacks;\n }\n _getStackCount(index) {\n return this._getStacks(undefined, index).length;\n }\n _getStackIndex(datasetIndex, name, dataIndex) {\n const stacks = this._getStacks(datasetIndex, dataIndex);\n const index = (name !== undefined)\n ? stacks.indexOf(name)\n : -1;\n return (index === -1)\n ? stacks.length - 1\n : index;\n }\n _getRuler() {\n const opts = this.options;\n const meta = this._cachedMeta;\n const iScale = meta.iScale;\n const pixels = [];\n let i, ilen;\n for (i = 0, ilen = meta.data.length; i < ilen; ++i) {\n pixels.push(iScale.getPixelForValue(this.getParsed(i)[iScale.axis], i));\n }\n const barThickness = opts.barThickness;\n const min = barThickness || computeMinSampleSize(meta);\n return {\n min,\n pixels,\n start: iScale._startPixel,\n end: iScale._endPixel,\n stackCount: this._getStackCount(),\n scale: iScale,\n grouped: opts.grouped,\n ratio: barThickness ? 1 : opts.categoryPercentage * opts.barPercentage\n };\n }\n _calculateBarValuePixels(index) {\n const {_cachedMeta: {vScale, _stacked}, options: {base: baseValue, minBarLength}} = this;\n const actualBase = baseValue || 0;\n const parsed = this.getParsed(index);\n const custom = parsed._custom;\n const floating = isFloatBar(custom);\n let value = parsed[vScale.axis];\n let start = 0;\n let length = _stacked ? this.applyStack(vScale, parsed, _stacked) : value;\n let head, size;\n if (length !== value) {\n start = length - value;\n length = value;\n }\n if (floating) {\n value = custom.barStart;\n length = custom.barEnd - custom.barStart;\n if (value !== 0 && sign(value) !== sign(custom.barEnd)) {\n start = 0;\n }\n start += value;\n }\n const startValue = !isNullOrUndef(baseValue) && !floating ? baseValue : start;\n let base = vScale.getPixelForValue(startValue);\n if (this.chart.getDataVisibility(index)) {\n head = vScale.getPixelForValue(start + length);\n } else {\n head = base;\n }\n size = head - base;\n if (Math.abs(size) < minBarLength) {\n size = barSign(size, vScale, actualBase) * minBarLength;\n if (value === actualBase) {\n base -= size / 2;\n }\n const startPixel = vScale.getPixelForDecimal(0);\n const endPixel = vScale.getPixelForDecimal(1);\n const min = Math.min(startPixel, endPixel);\n const max = Math.max(startPixel, endPixel);\n base = Math.max(Math.min(base, max), min);\n head = base + size;\n }\n if (base === vScale.getPixelForValue(actualBase)) {\n const halfGrid = sign(size) * vScale.getLineWidthForValue(actualBase) / 2;\n base += halfGrid;\n size -= halfGrid;\n }\n return {\n size,\n base,\n head,\n center: head + size / 2\n };\n }\n _calculateBarIndexPixels(index, ruler) {\n const scale = ruler.scale;\n const options = this.options;\n const skipNull = options.skipNull;\n const maxBarThickness = valueOrDefault(options.maxBarThickness, Infinity);\n let center, size;\n if (ruler.grouped) {\n const stackCount = skipNull ? this._getStackCount(index) : ruler.stackCount;\n const range = options.barThickness === 'flex'\n ? computeFlexCategoryTraits(index, ruler, options, stackCount)\n : computeFitCategoryTraits(index, ruler, options, stackCount);\n const stackIndex = this._getStackIndex(this.index, this._cachedMeta.stack, skipNull ? index : undefined);\n center = range.start + (range.chunk * stackIndex) + (range.chunk / 2);\n size = Math.min(maxBarThickness, range.chunk * range.ratio);\n } else {\n center = scale.getPixelForValue(this.getParsed(index)[scale.axis], index);\n size = Math.min(maxBarThickness, ruler.min * ruler.ratio);\n }\n return {\n base: center - size / 2,\n head: center + size / 2,\n center,\n size\n };\n }\n draw() {\n const meta = this._cachedMeta;\n const vScale = meta.vScale;\n const rects = meta.data;\n const ilen = rects.length;\n let i = 0;\n for (; i < ilen; ++i) {\n if (this.getParsed(i)[vScale.axis] !== null) {\n rects[i].draw(this._ctx);\n }\n }\n }\n}\nBarController.id = 'bar';\nBarController.defaults = {\n datasetElementType: false,\n dataElementType: 'bar',\n categoryPercentage: 0.8,\n barPercentage: 0.9,\n grouped: true,\n animations: {\n numbers: {\n type: 'number',\n properties: ['x', 'y', 'base', 'width', 'height']\n }\n }\n};\nBarController.overrides = {\n scales: {\n _index_: {\n type: 'category',\n offset: true,\n grid: {\n offset: true\n }\n },\n _value_: {\n type: 'linear',\n beginAtZero: true,\n }\n }\n};\n\nclass BubbleController extends DatasetController {\n initialize() {\n this.enableOptionSharing = true;\n super.initialize();\n }\n parsePrimitiveData(meta, data, start, count) {\n const parsed = super.parsePrimitiveData(meta, data, start, count);\n for (let i = 0; i < parsed.length; i++) {\n parsed[i]._custom = this.resolveDataElementOptions(i + start).radius;\n }\n return parsed;\n }\n parseArrayData(meta, data, start, count) {\n const parsed = super.parseArrayData(meta, data, start, count);\n for (let i = 0; i < parsed.length; i++) {\n const item = data[start + i];\n parsed[i]._custom = valueOrDefault(item[2], this.resolveDataElementOptions(i + start).radius);\n }\n return parsed;\n }\n parseObjectData(meta, data, start, count) {\n const parsed = super.parseObjectData(meta, data, start, count);\n for (let i = 0; i < parsed.length; i++) {\n const item = data[start + i];\n parsed[i]._custom = valueOrDefault(item && item.r && +item.r, this.resolveDataElementOptions(i + start).radius);\n }\n return parsed;\n }\n getMaxOverflow() {\n const data = this._cachedMeta.data;\n let max = 0;\n for (let i = data.length - 1; i >= 0; --i) {\n max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2);\n }\n return max > 0 && max;\n }\n getLabelAndValue(index) {\n const meta = this._cachedMeta;\n const {xScale, yScale} = meta;\n const parsed = this.getParsed(index);\n const x = xScale.getLabelForValue(parsed.x);\n const y = yScale.getLabelForValue(parsed.y);\n const r = parsed._custom;\n return {\n label: meta.label,\n value: '(' + x + ', ' + y + (r ? ', ' + r : '') + ')'\n };\n }\n update(mode) {\n const points = this._cachedMeta.data;\n this.updateElements(points, 0, points.length, mode);\n }\n updateElements(points, start, count, mode) {\n const reset = mode === 'reset';\n const {iScale, vScale} = this._cachedMeta;\n const {sharedOptions, includeOptions} = this._getSharedOptions(start, mode);\n const iAxis = iScale.axis;\n const vAxis = vScale.axis;\n for (let i = start; i < start + count; i++) {\n const point = points[i];\n const parsed = !reset && this.getParsed(i);\n const properties = {};\n const iPixel = properties[iAxis] = reset ? iScale.getPixelForDecimal(0.5) : iScale.getPixelForValue(parsed[iAxis]);\n const vPixel = properties[vAxis] = reset ? vScale.getBasePixel() : vScale.getPixelForValue(parsed[vAxis]);\n properties.skip = isNaN(iPixel) || isNaN(vPixel);\n if (includeOptions) {\n properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode);\n if (reset) {\n properties.options.radius = 0;\n }\n }\n this.updateElement(point, i, properties, mode);\n }\n }\n resolveDataElementOptions(index, mode) {\n const parsed = this.getParsed(index);\n let values = super.resolveDataElementOptions(index, mode);\n if (values.$shared) {\n values = Object.assign({}, values, {$shared: false});\n }\n const radius = values.radius;\n if (mode !== 'active') {\n values.radius = 0;\n }\n values.radius += valueOrDefault(parsed && parsed._custom, radius);\n return values;\n }\n}\nBubbleController.id = 'bubble';\nBubbleController.defaults = {\n datasetElementType: false,\n dataElementType: 'point',\n animations: {\n numbers: {\n type: 'number',\n properties: ['x', 'y', 'borderWidth', 'radius']\n }\n }\n};\nBubbleController.overrides = {\n scales: {\n x: {\n type: 'linear'\n },\n y: {\n type: 'linear'\n }\n },\n plugins: {\n tooltip: {\n callbacks: {\n title() {\n return '';\n }\n }\n }\n }\n};\n\nfunction getRatioAndOffset(rotation, circumference, cutout) {\n let ratioX = 1;\n let ratioY = 1;\n let offsetX = 0;\n let offsetY = 0;\n if (circumference < TAU) {\n const startAngle = rotation;\n const endAngle = startAngle + circumference;\n const startX = Math.cos(startAngle);\n const startY = Math.sin(startAngle);\n const endX = Math.cos(endAngle);\n const endY = Math.sin(endAngle);\n const calcMax = (angle, a, b) => _angleBetween(angle, startAngle, endAngle, true) ? 1 : Math.max(a, a * cutout, b, b * cutout);\n const calcMin = (angle, a, b) => _angleBetween(angle, startAngle, endAngle, true) ? -1 : Math.min(a, a * cutout, b, b * cutout);\n const maxX = calcMax(0, startX, endX);\n const maxY = calcMax(HALF_PI, startY, endY);\n const minX = calcMin(PI, startX, endX);\n const minY = calcMin(PI + HALF_PI, startY, endY);\n ratioX = (maxX - minX) / 2;\n ratioY = (maxY - minY) / 2;\n offsetX = -(maxX + minX) / 2;\n offsetY = -(maxY + minY) / 2;\n }\n return {ratioX, ratioY, offsetX, offsetY};\n}\nclass DoughnutController extends DatasetController {\n constructor(chart, datasetIndex) {\n super(chart, datasetIndex);\n this.enableOptionSharing = true;\n this.innerRadius = undefined;\n this.outerRadius = undefined;\n this.offsetX = undefined;\n this.offsetY = undefined;\n }\n linkScales() {}\n parse(start, count) {\n const data = this.getDataset().data;\n const meta = this._cachedMeta;\n if (this._parsing === false) {\n meta._parsed = data;\n } else {\n let getter = (i) => +data[i];\n if (isObject(data[start])) {\n const {key = 'value'} = this._parsing;\n getter = (i) => +resolveObjectKey(data[i], key);\n }\n let i, ilen;\n for (i = start, ilen = start + count; i < ilen; ++i) {\n meta._parsed[i] = getter(i);\n }\n }\n }\n _getRotation() {\n return toRadians(this.options.rotation - 90);\n }\n _getCircumference() {\n return toRadians(this.options.circumference);\n }\n _getRotationExtents() {\n let min = TAU;\n let max = -TAU;\n for (let i = 0; i < this.chart.data.datasets.length; ++i) {\n if (this.chart.isDatasetVisible(i)) {\n const controller = this.chart.getDatasetMeta(i).controller;\n const rotation = controller._getRotation();\n const circumference = controller._getCircumference();\n min = Math.min(min, rotation);\n max = Math.max(max, rotation + circumference);\n }\n }\n return {\n rotation: min,\n circumference: max - min,\n };\n }\n update(mode) {\n const chart = this.chart;\n const {chartArea} = chart;\n const meta = this._cachedMeta;\n const arcs = meta.data;\n const spacing = this.getMaxBorderWidth() + this.getMaxOffset(arcs) + this.options.spacing;\n const maxSize = Math.max((Math.min(chartArea.width, chartArea.height) - spacing) / 2, 0);\n const cutout = Math.min(toPercentage(this.options.cutout, maxSize), 1);\n const chartWeight = this._getRingWeight(this.index);\n const {circumference, rotation} = this._getRotationExtents();\n const {ratioX, ratioY, offsetX, offsetY} = getRatioAndOffset(rotation, circumference, cutout);\n const maxWidth = (chartArea.width - spacing) / ratioX;\n const maxHeight = (chartArea.height - spacing) / ratioY;\n const maxRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0);\n const outerRadius = toDimension(this.options.radius, maxRadius);\n const innerRadius = Math.max(outerRadius * cutout, 0);\n const radiusLength = (outerRadius - innerRadius) / this._getVisibleDatasetWeightTotal();\n this.offsetX = offsetX * outerRadius;\n this.offsetY = offsetY * outerRadius;\n meta.total = this.calculateTotal();\n this.outerRadius = outerRadius - radiusLength * this._getRingWeightOffset(this.index);\n this.innerRadius = Math.max(this.outerRadius - radiusLength * chartWeight, 0);\n this.updateElements(arcs, 0, arcs.length, mode);\n }\n _circumference(i, reset) {\n const opts = this.options;\n const meta = this._cachedMeta;\n const circumference = this._getCircumference();\n if ((reset && opts.animation.animateRotate) || !this.chart.getDataVisibility(i) || meta._parsed[i] === null || meta.data[i].hidden) {\n return 0;\n }\n return this.calculateCircumference(meta._parsed[i] * circumference / TAU);\n }\n updateElements(arcs, start, count, mode) {\n const reset = mode === 'reset';\n const chart = this.chart;\n const chartArea = chart.chartArea;\n const opts = chart.options;\n const animationOpts = opts.animation;\n const centerX = (chartArea.left + chartArea.right) / 2;\n const centerY = (chartArea.top + chartArea.bottom) / 2;\n const animateScale = reset && animationOpts.animateScale;\n const innerRadius = animateScale ? 0 : this.innerRadius;\n const outerRadius = animateScale ? 0 : this.outerRadius;\n const {sharedOptions, includeOptions} = this._getSharedOptions(start, mode);\n let startAngle = this._getRotation();\n let i;\n for (i = 0; i < start; ++i) {\n startAngle += this._circumference(i, reset);\n }\n for (i = start; i < start + count; ++i) {\n const circumference = this._circumference(i, reset);\n const arc = arcs[i];\n const properties = {\n x: centerX + this.offsetX,\n y: centerY + this.offsetY,\n startAngle,\n endAngle: startAngle + circumference,\n circumference,\n outerRadius,\n innerRadius\n };\n if (includeOptions) {\n properties.options = sharedOptions || this.resolveDataElementOptions(i, arc.active ? 'active' : mode);\n }\n startAngle += circumference;\n this.updateElement(arc, i, properties, mode);\n }\n }\n calculateTotal() {\n const meta = this._cachedMeta;\n const metaData = meta.data;\n let total = 0;\n let i;\n for (i = 0; i < metaData.length; i++) {\n const value = meta._parsed[i];\n if (value !== null && !isNaN(value) && this.chart.getDataVisibility(i) && !metaData[i].hidden) {\n total += Math.abs(value);\n }\n }\n return total;\n }\n calculateCircumference(value) {\n const total = this._cachedMeta.total;\n if (total > 0 && !isNaN(value)) {\n return TAU * (Math.abs(value) / total);\n }\n return 0;\n }\n getLabelAndValue(index) {\n const meta = this._cachedMeta;\n const chart = this.chart;\n const labels = chart.data.labels || [];\n const value = formatNumber(meta._parsed[index], chart.options.locale);\n return {\n label: labels[index] || '',\n value,\n };\n }\n getMaxBorderWidth(arcs) {\n let max = 0;\n const chart = this.chart;\n let i, ilen, meta, controller, options;\n if (!arcs) {\n for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {\n if (chart.isDatasetVisible(i)) {\n meta = chart.getDatasetMeta(i);\n arcs = meta.data;\n controller = meta.controller;\n break;\n }\n }\n }\n if (!arcs) {\n return 0;\n }\n for (i = 0, ilen = arcs.length; i < ilen; ++i) {\n options = controller.resolveDataElementOptions(i);\n if (options.borderAlign !== 'inner') {\n max = Math.max(max, options.borderWidth || 0, options.hoverBorderWidth || 0);\n }\n }\n return max;\n }\n getMaxOffset(arcs) {\n let max = 0;\n for (let i = 0, ilen = arcs.length; i < ilen; ++i) {\n const options = this.resolveDataElementOptions(i);\n max = Math.max(max, options.offset || 0, options.hoverOffset || 0);\n }\n return max;\n }\n _getRingWeightOffset(datasetIndex) {\n let ringWeightOffset = 0;\n for (let i = 0; i < datasetIndex; ++i) {\n if (this.chart.isDatasetVisible(i)) {\n ringWeightOffset += this._getRingWeight(i);\n }\n }\n return ringWeightOffset;\n }\n _getRingWeight(datasetIndex) {\n return Math.max(valueOrDefault(this.chart.data.datasets[datasetIndex].weight, 1), 0);\n }\n _getVisibleDatasetWeightTotal() {\n return this._getRingWeightOffset(this.chart.data.datasets.length) || 1;\n }\n}\nDoughnutController.id = 'doughnut';\nDoughnutController.defaults = {\n datasetElementType: false,\n dataElementType: 'arc',\n animation: {\n animateRotate: true,\n animateScale: false\n },\n animations: {\n numbers: {\n type: 'number',\n properties: ['circumference', 'endAngle', 'innerRadius', 'outerRadius', 'startAngle', 'x', 'y', 'offset', 'borderWidth', 'spacing']\n },\n },\n cutout: '50%',\n rotation: 0,\n circumference: 360,\n radius: '100%',\n spacing: 0,\n indexAxis: 'r',\n};\nDoughnutController.descriptors = {\n _scriptable: (name) => name !== 'spacing',\n _indexable: (name) => name !== 'spacing',\n};\nDoughnutController.overrides = {\n aspectRatio: 1,\n plugins: {\n legend: {\n labels: {\n generateLabels(chart) {\n const data = chart.data;\n if (data.labels.length && data.datasets.length) {\n const {labels: {pointStyle}} = chart.legend.options;\n return data.labels.map((label, i) => {\n const meta = chart.getDatasetMeta(0);\n const style = meta.controller.getStyle(i);\n return {\n text: label,\n fillStyle: style.backgroundColor,\n strokeStyle: style.borderColor,\n lineWidth: style.borderWidth,\n pointStyle: pointStyle,\n hidden: !chart.getDataVisibility(i),\n index: i\n };\n });\n }\n return [];\n }\n },\n onClick(e, legendItem, legend) {\n legend.chart.toggleDataVisibility(legendItem.index);\n legend.chart.update();\n }\n },\n tooltip: {\n callbacks: {\n title() {\n return '';\n },\n label(tooltipItem) {\n let dataLabel = tooltipItem.label;\n const value = ': ' + tooltipItem.formattedValue;\n if (isArray(dataLabel)) {\n dataLabel = dataLabel.slice();\n dataLabel[0] += value;\n } else {\n dataLabel += value;\n }\n return dataLabel;\n }\n }\n }\n }\n};\n\nclass LineController extends DatasetController {\n initialize() {\n this.enableOptionSharing = true;\n this.supportsDecimation = true;\n super.initialize();\n }\n update(mode) {\n const meta = this._cachedMeta;\n const {dataset: line, data: points = [], _dataset} = meta;\n const animationsDisabled = this.chart._animationsDisabled;\n let {start, count} = _getStartAndCountOfVisiblePoints(meta, points, animationsDisabled);\n this._drawStart = start;\n this._drawCount = count;\n if (_scaleRangesChanged(meta)) {\n start = 0;\n count = points.length;\n }\n line._chart = this.chart;\n line._datasetIndex = this.index;\n line._decimated = !!_dataset._decimated;\n line.points = points;\n const options = this.resolveDatasetElementOptions(mode);\n if (!this.options.showLine) {\n options.borderWidth = 0;\n }\n options.segment = this.options.segment;\n this.updateElement(line, undefined, {\n animated: !animationsDisabled,\n options\n }, mode);\n this.updateElements(points, start, count, mode);\n }\n updateElements(points, start, count, mode) {\n const reset = mode === 'reset';\n const {iScale, vScale, _stacked, _dataset} = this._cachedMeta;\n const {sharedOptions, includeOptions} = this._getSharedOptions(start, mode);\n const iAxis = iScale.axis;\n const vAxis = vScale.axis;\n const {spanGaps, segment} = this.options;\n const maxGapLength = isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY;\n const directUpdate = this.chart._animationsDisabled || reset || mode === 'none';\n let prevParsed = start > 0 && this.getParsed(start - 1);\n for (let i = start; i < start + count; ++i) {\n const point = points[i];\n const parsed = this.getParsed(i);\n const properties = directUpdate ? point : {};\n const nullData = isNullOrUndef(parsed[vAxis]);\n const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i);\n const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i);\n properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData;\n properties.stop = i > 0 && (Math.abs(parsed[iAxis] - prevParsed[iAxis])) > maxGapLength;\n if (segment) {\n properties.parsed = parsed;\n properties.raw = _dataset.data[i];\n }\n if (includeOptions) {\n properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode);\n }\n if (!directUpdate) {\n this.updateElement(point, i, properties, mode);\n }\n prevParsed = parsed;\n }\n }\n getMaxOverflow() {\n const meta = this._cachedMeta;\n const dataset = meta.dataset;\n const border = dataset.options && dataset.options.borderWidth || 0;\n const data = meta.data || [];\n if (!data.length) {\n return border;\n }\n const firstPoint = data[0].size(this.resolveDataElementOptions(0));\n const lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1));\n return Math.max(border, firstPoint, lastPoint) / 2;\n }\n draw() {\n const meta = this._cachedMeta;\n meta.dataset.updateControlPoints(this.chart.chartArea, meta.iScale.axis);\n super.draw();\n }\n}\nLineController.id = 'line';\nLineController.defaults = {\n datasetElementType: 'line',\n dataElementType: 'point',\n showLine: true,\n spanGaps: false,\n};\nLineController.overrides = {\n scales: {\n _index_: {\n type: 'category',\n },\n _value_: {\n type: 'linear',\n },\n }\n};\n\nclass PolarAreaController extends DatasetController {\n constructor(chart, datasetIndex) {\n super(chart, datasetIndex);\n this.innerRadius = undefined;\n this.outerRadius = undefined;\n }\n getLabelAndValue(index) {\n const meta = this._cachedMeta;\n const chart = this.chart;\n const labels = chart.data.labels || [];\n const value = formatNumber(meta._parsed[index].r, chart.options.locale);\n return {\n label: labels[index] || '',\n value,\n };\n }\n parseObjectData(meta, data, start, count) {\n return _parseObjectDataRadialScale.bind(this)(meta, data, start, count);\n }\n update(mode) {\n const arcs = this._cachedMeta.data;\n this._updateRadius();\n this.updateElements(arcs, 0, arcs.length, mode);\n }\n getMinMax() {\n const meta = this._cachedMeta;\n const range = {min: Number.POSITIVE_INFINITY, max: Number.NEGATIVE_INFINITY};\n meta.data.forEach((element, index) => {\n const parsed = this.getParsed(index).r;\n if (!isNaN(parsed) && this.chart.getDataVisibility(index)) {\n if (parsed < range.min) {\n range.min = parsed;\n }\n if (parsed > range.max) {\n range.max = parsed;\n }\n }\n });\n return range;\n }\n _updateRadius() {\n const chart = this.chart;\n const chartArea = chart.chartArea;\n const opts = chart.options;\n const minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);\n const outerRadius = Math.max(minSize / 2, 0);\n const innerRadius = Math.max(opts.cutoutPercentage ? (outerRadius / 100) * (opts.cutoutPercentage) : 1, 0);\n const radiusLength = (outerRadius - innerRadius) / chart.getVisibleDatasetCount();\n this.outerRadius = outerRadius - (radiusLength * this.index);\n this.innerRadius = this.outerRadius - radiusLength;\n }\n updateElements(arcs, start, count, mode) {\n const reset = mode === 'reset';\n const chart = this.chart;\n const opts = chart.options;\n const animationOpts = opts.animation;\n const scale = this._cachedMeta.rScale;\n const centerX = scale.xCenter;\n const centerY = scale.yCenter;\n const datasetStartAngle = scale.getIndexAngle(0) - 0.5 * PI;\n let angle = datasetStartAngle;\n let i;\n const defaultAngle = 360 / this.countVisibleElements();\n for (i = 0; i < start; ++i) {\n angle += this._computeAngle(i, mode, defaultAngle);\n }\n for (i = start; i < start + count; i++) {\n const arc = arcs[i];\n let startAngle = angle;\n let endAngle = angle + this._computeAngle(i, mode, defaultAngle);\n let outerRadius = chart.getDataVisibility(i) ? scale.getDistanceFromCenterForValue(this.getParsed(i).r) : 0;\n angle = endAngle;\n if (reset) {\n if (animationOpts.animateScale) {\n outerRadius = 0;\n }\n if (animationOpts.animateRotate) {\n startAngle = endAngle = datasetStartAngle;\n }\n }\n const properties = {\n x: centerX,\n y: centerY,\n innerRadius: 0,\n outerRadius,\n startAngle,\n endAngle,\n options: this.resolveDataElementOptions(i, arc.active ? 'active' : mode)\n };\n this.updateElement(arc, i, properties, mode);\n }\n }\n countVisibleElements() {\n const meta = this._cachedMeta;\n let count = 0;\n meta.data.forEach((element, index) => {\n if (!isNaN(this.getParsed(index).r) && this.chart.getDataVisibility(index)) {\n count++;\n }\n });\n return count;\n }\n _computeAngle(index, mode, defaultAngle) {\n return this.chart.getDataVisibility(index)\n ? toRadians(this.resolveDataElementOptions(index, mode).angle || defaultAngle)\n : 0;\n }\n}\nPolarAreaController.id = 'polarArea';\nPolarAreaController.defaults = {\n dataElementType: 'arc',\n animation: {\n animateRotate: true,\n animateScale: true\n },\n animations: {\n numbers: {\n type: 'number',\n properties: ['x', 'y', 'startAngle', 'endAngle', 'innerRadius', 'outerRadius']\n },\n },\n indexAxis: 'r',\n startAngle: 0,\n};\nPolarAreaController.overrides = {\n aspectRatio: 1,\n plugins: {\n legend: {\n labels: {\n generateLabels(chart) {\n const data = chart.data;\n if (data.labels.length && data.datasets.length) {\n const {labels: {pointStyle}} = chart.legend.options;\n return data.labels.map((label, i) => {\n const meta = chart.getDatasetMeta(0);\n const style = meta.controller.getStyle(i);\n return {\n text: label,\n fillStyle: style.backgroundColor,\n strokeStyle: style.borderColor,\n lineWidth: style.borderWidth,\n pointStyle: pointStyle,\n hidden: !chart.getDataVisibility(i),\n index: i\n };\n });\n }\n return [];\n }\n },\n onClick(e, legendItem, legend) {\n legend.chart.toggleDataVisibility(legendItem.index);\n legend.chart.update();\n }\n },\n tooltip: {\n callbacks: {\n title() {\n return '';\n },\n label(context) {\n return context.chart.data.labels[context.dataIndex] + ': ' + context.formattedValue;\n }\n }\n }\n },\n scales: {\n r: {\n type: 'radialLinear',\n angleLines: {\n display: false\n },\n beginAtZero: true,\n grid: {\n circular: true\n },\n pointLabels: {\n display: false\n },\n startAngle: 0\n }\n }\n};\n\nclass PieController extends DoughnutController {\n}\nPieController.id = 'pie';\nPieController.defaults = {\n cutout: 0,\n rotation: 0,\n circumference: 360,\n radius: '100%'\n};\n\nclass RadarController extends DatasetController {\n getLabelAndValue(index) {\n const vScale = this._cachedMeta.vScale;\n const parsed = this.getParsed(index);\n return {\n label: vScale.getLabels()[index],\n value: '' + vScale.getLabelForValue(parsed[vScale.axis])\n };\n }\n parseObjectData(meta, data, start, count) {\n return _parseObjectDataRadialScale.bind(this)(meta, data, start, count);\n }\n update(mode) {\n const meta = this._cachedMeta;\n const line = meta.dataset;\n const points = meta.data || [];\n const labels = meta.iScale.getLabels();\n line.points = points;\n if (mode !== 'resize') {\n const options = this.resolveDatasetElementOptions(mode);\n if (!this.options.showLine) {\n options.borderWidth = 0;\n }\n const properties = {\n _loop: true,\n _fullLoop: labels.length === points.length,\n options\n };\n this.updateElement(line, undefined, properties, mode);\n }\n this.updateElements(points, 0, points.length, mode);\n }\n updateElements(points, start, count, mode) {\n const scale = this._cachedMeta.rScale;\n const reset = mode === 'reset';\n for (let i = start; i < start + count; i++) {\n const point = points[i];\n const options = this.resolveDataElementOptions(i, point.active ? 'active' : mode);\n const pointPosition = scale.getPointPositionForValue(i, this.getParsed(i).r);\n const x = reset ? scale.xCenter : pointPosition.x;\n const y = reset ? scale.yCenter : pointPosition.y;\n const properties = {\n x,\n y,\n angle: pointPosition.angle,\n skip: isNaN(x) || isNaN(y),\n options\n };\n this.updateElement(point, i, properties, mode);\n }\n }\n}\nRadarController.id = 'radar';\nRadarController.defaults = {\n datasetElementType: 'line',\n dataElementType: 'point',\n indexAxis: 'r',\n showLine: true,\n elements: {\n line: {\n fill: 'start'\n }\n },\n};\nRadarController.overrides = {\n aspectRatio: 1,\n scales: {\n r: {\n type: 'radialLinear',\n }\n }\n};\n\nclass Element {\n constructor() {\n this.x = undefined;\n this.y = undefined;\n this.active = false;\n this.options = undefined;\n this.$animations = undefined;\n }\n tooltipPosition(useFinalPosition) {\n const {x, y} = this.getProps(['x', 'y'], useFinalPosition);\n return {x, y};\n }\n hasValue() {\n return isNumber(this.x) && isNumber(this.y);\n }\n getProps(props, final) {\n const anims = this.$animations;\n if (!final || !anims) {\n return this;\n }\n const ret = {};\n props.forEach(prop => {\n ret[prop] = anims[prop] && anims[prop].active() ? anims[prop]._to : this[prop];\n });\n return ret;\n }\n}\nElement.defaults = {};\nElement.defaultRoutes = undefined;\n\nconst formatters = {\n values(value) {\n return isArray(value) ? value : '' + value;\n },\n numeric(tickValue, index, ticks) {\n if (tickValue === 0) {\n return '0';\n }\n const locale = this.chart.options.locale;\n let notation;\n let delta = tickValue;\n if (ticks.length > 1) {\n const maxTick = Math.max(Math.abs(ticks[0].value), Math.abs(ticks[ticks.length - 1].value));\n if (maxTick < 1e-4 || maxTick > 1e+15) {\n notation = 'scientific';\n }\n delta = calculateDelta(tickValue, ticks);\n }\n const logDelta = log10(Math.abs(delta));\n const numDecimal = Math.max(Math.min(-1 * Math.floor(logDelta), 20), 0);\n const options = {notation, minimumFractionDigits: numDecimal, maximumFractionDigits: numDecimal};\n Object.assign(options, this.options.ticks.format);\n return formatNumber(tickValue, locale, options);\n },\n logarithmic(tickValue, index, ticks) {\n if (tickValue === 0) {\n return '0';\n }\n const remain = tickValue / (Math.pow(10, Math.floor(log10(tickValue))));\n if (remain === 1 || remain === 2 || remain === 5) {\n return formatters.numeric.call(this, tickValue, index, ticks);\n }\n return '';\n }\n};\nfunction calculateDelta(tickValue, ticks) {\n let delta = ticks.length > 3 ? ticks[2].value - ticks[1].value : ticks[1].value - ticks[0].value;\n if (Math.abs(delta) >= 1 && tickValue !== Math.floor(tickValue)) {\n delta = tickValue - Math.floor(tickValue);\n }\n return delta;\n}\nvar Ticks = {formatters};\n\ndefaults.set('scale', {\n display: true,\n offset: false,\n reverse: false,\n beginAtZero: false,\n bounds: 'ticks',\n grace: 0,\n grid: {\n display: true,\n lineWidth: 1,\n drawBorder: true,\n drawOnChartArea: true,\n drawTicks: true,\n tickLength: 8,\n tickWidth: (_ctx, options) => options.lineWidth,\n tickColor: (_ctx, options) => options.color,\n offset: false,\n borderDash: [],\n borderDashOffset: 0.0,\n borderWidth: 1\n },\n title: {\n display: false,\n text: '',\n padding: {\n top: 4,\n bottom: 4\n }\n },\n ticks: {\n minRotation: 0,\n maxRotation: 50,\n mirror: false,\n textStrokeWidth: 0,\n textStrokeColor: '',\n padding: 3,\n display: true,\n autoSkip: true,\n autoSkipPadding: 3,\n labelOffset: 0,\n callback: Ticks.formatters.values,\n minor: {},\n major: {},\n align: 'center',\n crossAlign: 'near',\n showLabelBackdrop: false,\n backdropColor: 'rgba(255, 255, 255, 0.75)',\n backdropPadding: 2,\n }\n});\ndefaults.route('scale.ticks', 'color', '', 'color');\ndefaults.route('scale.grid', 'color', '', 'borderColor');\ndefaults.route('scale.grid', 'borderColor', '', 'borderColor');\ndefaults.route('scale.title', 'color', '', 'color');\ndefaults.describe('scale', {\n _fallback: false,\n _scriptable: (name) => !name.startsWith('before') && !name.startsWith('after') && name !== 'callback' && name !== 'parser',\n _indexable: (name) => name !== 'borderDash' && name !== 'tickBorderDash',\n});\ndefaults.describe('scales', {\n _fallback: 'scale',\n});\ndefaults.describe('scale.ticks', {\n _scriptable: (name) => name !== 'backdropPadding' && name !== 'callback',\n _indexable: (name) => name !== 'backdropPadding',\n});\n\nfunction autoSkip(scale, ticks) {\n const tickOpts = scale.options.ticks;\n const ticksLimit = tickOpts.maxTicksLimit || determineMaxTicks(scale);\n const majorIndices = tickOpts.major.enabled ? getMajorIndices(ticks) : [];\n const numMajorIndices = majorIndices.length;\n const first = majorIndices[0];\n const last = majorIndices[numMajorIndices - 1];\n const newTicks = [];\n if (numMajorIndices > ticksLimit) {\n skipMajors(ticks, newTicks, majorIndices, numMajorIndices / ticksLimit);\n return newTicks;\n }\n const spacing = calculateSpacing(majorIndices, ticks, ticksLimit);\n if (numMajorIndices > 0) {\n let i, ilen;\n const avgMajorSpacing = numMajorIndices > 1 ? Math.round((last - first) / (numMajorIndices - 1)) : null;\n skip(ticks, newTicks, spacing, isNullOrUndef(avgMajorSpacing) ? 0 : first - avgMajorSpacing, first);\n for (i = 0, ilen = numMajorIndices - 1; i < ilen; i++) {\n skip(ticks, newTicks, spacing, majorIndices[i], majorIndices[i + 1]);\n }\n skip(ticks, newTicks, spacing, last, isNullOrUndef(avgMajorSpacing) ? ticks.length : last + avgMajorSpacing);\n return newTicks;\n }\n skip(ticks, newTicks, spacing);\n return newTicks;\n}\nfunction determineMaxTicks(scale) {\n const offset = scale.options.offset;\n const tickLength = scale._tickSize();\n const maxScale = scale._length / tickLength + (offset ? 0 : 1);\n const maxChart = scale._maxLength / tickLength;\n return Math.floor(Math.min(maxScale, maxChart));\n}\nfunction calculateSpacing(majorIndices, ticks, ticksLimit) {\n const evenMajorSpacing = getEvenSpacing(majorIndices);\n const spacing = ticks.length / ticksLimit;\n if (!evenMajorSpacing) {\n return Math.max(spacing, 1);\n }\n const factors = _factorize(evenMajorSpacing);\n for (let i = 0, ilen = factors.length - 1; i < ilen; i++) {\n const factor = factors[i];\n if (factor > spacing) {\n return factor;\n }\n }\n return Math.max(spacing, 1);\n}\nfunction getMajorIndices(ticks) {\n const result = [];\n let i, ilen;\n for (i = 0, ilen = ticks.length; i < ilen; i++) {\n if (ticks[i].major) {\n result.push(i);\n }\n }\n return result;\n}\nfunction skipMajors(ticks, newTicks, majorIndices, spacing) {\n let count = 0;\n let next = majorIndices[0];\n let i;\n spacing = Math.ceil(spacing);\n for (i = 0; i < ticks.length; i++) {\n if (i === next) {\n newTicks.push(ticks[i]);\n count++;\n next = majorIndices[count * spacing];\n }\n }\n}\nfunction skip(ticks, newTicks, spacing, majorStart, majorEnd) {\n const start = valueOrDefault(majorStart, 0);\n const end = Math.min(valueOrDefault(majorEnd, ticks.length), ticks.length);\n let count = 0;\n let length, i, next;\n spacing = Math.ceil(spacing);\n if (majorEnd) {\n length = majorEnd - majorStart;\n spacing = length / Math.floor(length / spacing);\n }\n next = start;\n while (next < 0) {\n count++;\n next = Math.round(start + count * spacing);\n }\n for (i = Math.max(start, 0); i < end; i++) {\n if (i === next) {\n newTicks.push(ticks[i]);\n count++;\n next = Math.round(start + count * spacing);\n }\n }\n}\nfunction getEvenSpacing(arr) {\n const len = arr.length;\n let i, diff;\n if (len < 2) {\n return false;\n }\n for (diff = arr[0], i = 1; i < len; ++i) {\n if (arr[i] - arr[i - 1] !== diff) {\n return false;\n }\n }\n return diff;\n}\n\nconst reverseAlign = (align) => align === 'left' ? 'right' : align === 'right' ? 'left' : align;\nconst offsetFromEdge = (scale, edge, offset) => edge === 'top' || edge === 'left' ? scale[edge] + offset : scale[edge] - offset;\nfunction sample(arr, numItems) {\n const result = [];\n const increment = arr.length / numItems;\n const len = arr.length;\n let i = 0;\n for (; i < len; i += increment) {\n result.push(arr[Math.floor(i)]);\n }\n return result;\n}\nfunction getPixelForGridLine(scale, index, offsetGridLines) {\n const length = scale.ticks.length;\n const validIndex = Math.min(index, length - 1);\n const start = scale._startPixel;\n const end = scale._endPixel;\n const epsilon = 1e-6;\n let lineValue = scale.getPixelForTick(validIndex);\n let offset;\n if (offsetGridLines) {\n if (length === 1) {\n offset = Math.max(lineValue - start, end - lineValue);\n } else if (index === 0) {\n offset = (scale.getPixelForTick(1) - lineValue) / 2;\n } else {\n offset = (lineValue - scale.getPixelForTick(validIndex - 1)) / 2;\n }\n lineValue += validIndex < index ? offset : -offset;\n if (lineValue < start - epsilon || lineValue > end + epsilon) {\n return;\n }\n }\n return lineValue;\n}\nfunction garbageCollect(caches, length) {\n each(caches, (cache) => {\n const gc = cache.gc;\n const gcLen = gc.length / 2;\n let i;\n if (gcLen > length) {\n for (i = 0; i < gcLen; ++i) {\n delete cache.data[gc[i]];\n }\n gc.splice(0, gcLen);\n }\n });\n}\nfunction getTickMarkLength(options) {\n return options.drawTicks ? options.tickLength : 0;\n}\nfunction getTitleHeight(options, fallback) {\n if (!options.display) {\n return 0;\n }\n const font = toFont(options.font, fallback);\n const padding = toPadding(options.padding);\n const lines = isArray(options.text) ? options.text.length : 1;\n return (lines * font.lineHeight) + padding.height;\n}\nfunction createScaleContext(parent, scale) {\n return createContext(parent, {\n scale,\n type: 'scale'\n });\n}\nfunction createTickContext(parent, index, tick) {\n return createContext(parent, {\n tick,\n index,\n type: 'tick'\n });\n}\nfunction titleAlign(align, position, reverse) {\n let ret = _toLeftRightCenter(align);\n if ((reverse && position !== 'right') || (!reverse && position === 'right')) {\n ret = reverseAlign(ret);\n }\n return ret;\n}\nfunction titleArgs(scale, offset, position, align) {\n const {top, left, bottom, right, chart} = scale;\n const {chartArea, scales} = chart;\n let rotation = 0;\n let maxWidth, titleX, titleY;\n const height = bottom - top;\n const width = right - left;\n if (scale.isHorizontal()) {\n titleX = _alignStartEnd(align, left, right);\n if (isObject(position)) {\n const positionAxisID = Object.keys(position)[0];\n const value = position[positionAxisID];\n titleY = scales[positionAxisID].getPixelForValue(value) + height - offset;\n } else if (position === 'center') {\n titleY = (chartArea.bottom + chartArea.top) / 2 + height - offset;\n } else {\n titleY = offsetFromEdge(scale, position, offset);\n }\n maxWidth = right - left;\n } else {\n if (isObject(position)) {\n const positionAxisID = Object.keys(position)[0];\n const value = position[positionAxisID];\n titleX = scales[positionAxisID].getPixelForValue(value) - width + offset;\n } else if (position === 'center') {\n titleX = (chartArea.left + chartArea.right) / 2 - width + offset;\n } else {\n titleX = offsetFromEdge(scale, position, offset);\n }\n titleY = _alignStartEnd(align, bottom, top);\n rotation = position === 'left' ? -HALF_PI : HALF_PI;\n }\n return {titleX, titleY, maxWidth, rotation};\n}\nclass Scale extends Element {\n constructor(cfg) {\n super();\n this.id = cfg.id;\n this.type = cfg.type;\n this.options = undefined;\n this.ctx = cfg.ctx;\n this.chart = cfg.chart;\n this.top = undefined;\n this.bottom = undefined;\n this.left = undefined;\n this.right = undefined;\n this.width = undefined;\n this.height = undefined;\n this._margins = {\n left: 0,\n right: 0,\n top: 0,\n bottom: 0\n };\n this.maxWidth = undefined;\n this.maxHeight = undefined;\n this.paddingTop = undefined;\n this.paddingBottom = undefined;\n this.paddingLeft = undefined;\n this.paddingRight = undefined;\n this.axis = undefined;\n this.labelRotation = undefined;\n this.min = undefined;\n this.max = undefined;\n this._range = undefined;\n this.ticks = [];\n this._gridLineItems = null;\n this._labelItems = null;\n this._labelSizes = null;\n this._length = 0;\n this._maxLength = 0;\n this._longestTextCache = {};\n this._startPixel = undefined;\n this._endPixel = undefined;\n this._reversePixels = false;\n this._userMax = undefined;\n this._userMin = undefined;\n this._suggestedMax = undefined;\n this._suggestedMin = undefined;\n this._ticksLength = 0;\n this._borderValue = 0;\n this._cache = {};\n this._dataLimitsCached = false;\n this.$context = undefined;\n }\n init(options) {\n this.options = options.setContext(this.getContext());\n this.axis = options.axis;\n this._userMin = this.parse(options.min);\n this._userMax = this.parse(options.max);\n this._suggestedMin = this.parse(options.suggestedMin);\n this._suggestedMax = this.parse(options.suggestedMax);\n }\n parse(raw, index) {\n return raw;\n }\n getUserBounds() {\n let {_userMin, _userMax, _suggestedMin, _suggestedMax} = this;\n _userMin = finiteOrDefault(_userMin, Number.POSITIVE_INFINITY);\n _userMax = finiteOrDefault(_userMax, Number.NEGATIVE_INFINITY);\n _suggestedMin = finiteOrDefault(_suggestedMin, Number.POSITIVE_INFINITY);\n _suggestedMax = finiteOrDefault(_suggestedMax, Number.NEGATIVE_INFINITY);\n return {\n min: finiteOrDefault(_userMin, _suggestedMin),\n max: finiteOrDefault(_userMax, _suggestedMax),\n minDefined: isNumberFinite(_userMin),\n maxDefined: isNumberFinite(_userMax)\n };\n }\n getMinMax(canStack) {\n let {min, max, minDefined, maxDefined} = this.getUserBounds();\n let range;\n if (minDefined && maxDefined) {\n return {min, max};\n }\n const metas = this.getMatchingVisibleMetas();\n for (let i = 0, ilen = metas.length; i < ilen; ++i) {\n range = metas[i].controller.getMinMax(this, canStack);\n if (!minDefined) {\n min = Math.min(min, range.min);\n }\n if (!maxDefined) {\n max = Math.max(max, range.max);\n }\n }\n min = maxDefined && min > max ? max : min;\n max = minDefined && min > max ? min : max;\n return {\n min: finiteOrDefault(min, finiteOrDefault(max, min)),\n max: finiteOrDefault(max, finiteOrDefault(min, max))\n };\n }\n getPadding() {\n return {\n left: this.paddingLeft || 0,\n top: this.paddingTop || 0,\n right: this.paddingRight || 0,\n bottom: this.paddingBottom || 0\n };\n }\n getTicks() {\n return this.ticks;\n }\n getLabels() {\n const data = this.chart.data;\n return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels || [];\n }\n beforeLayout() {\n this._cache = {};\n this._dataLimitsCached = false;\n }\n beforeUpdate() {\n callback(this.options.beforeUpdate, [this]);\n }\n update(maxWidth, maxHeight, margins) {\n const {beginAtZero, grace, ticks: tickOpts} = this.options;\n const sampleSize = tickOpts.sampleSize;\n this.beforeUpdate();\n this.maxWidth = maxWidth;\n this.maxHeight = maxHeight;\n this._margins = margins = Object.assign({\n left: 0,\n right: 0,\n top: 0,\n bottom: 0\n }, margins);\n this.ticks = null;\n this._labelSizes = null;\n this._gridLineItems = null;\n this._labelItems = null;\n this.beforeSetDimensions();\n this.setDimensions();\n this.afterSetDimensions();\n this._maxLength = this.isHorizontal()\n ? this.width + margins.left + margins.right\n : this.height + margins.top + margins.bottom;\n if (!this._dataLimitsCached) {\n this.beforeDataLimits();\n this.determineDataLimits();\n this.afterDataLimits();\n this._range = _addGrace(this, grace, beginAtZero);\n this._dataLimitsCached = true;\n }\n this.beforeBuildTicks();\n this.ticks = this.buildTicks() || [];\n this.afterBuildTicks();\n const samplingEnabled = sampleSize < this.ticks.length;\n this._convertTicksToLabels(samplingEnabled ? sample(this.ticks, sampleSize) : this.ticks);\n this.configure();\n this.beforeCalculateLabelRotation();\n this.calculateLabelRotation();\n this.afterCalculateLabelRotation();\n if (tickOpts.display && (tickOpts.autoSkip || tickOpts.source === 'auto')) {\n this.ticks = autoSkip(this, this.ticks);\n this._labelSizes = null;\n this.afterAutoSkip();\n }\n if (samplingEnabled) {\n this._convertTicksToLabels(this.ticks);\n }\n this.beforeFit();\n this.fit();\n this.afterFit();\n this.afterUpdate();\n }\n configure() {\n let reversePixels = this.options.reverse;\n let startPixel, endPixel;\n if (this.isHorizontal()) {\n startPixel = this.left;\n endPixel = this.right;\n } else {\n startPixel = this.top;\n endPixel = this.bottom;\n reversePixels = !reversePixels;\n }\n this._startPixel = startPixel;\n this._endPixel = endPixel;\n this._reversePixels = reversePixels;\n this._length = endPixel - startPixel;\n this._alignToPixels = this.options.alignToPixels;\n }\n afterUpdate() {\n callback(this.options.afterUpdate, [this]);\n }\n beforeSetDimensions() {\n callback(this.options.beforeSetDimensions, [this]);\n }\n setDimensions() {\n if (this.isHorizontal()) {\n this.width = this.maxWidth;\n this.left = 0;\n this.right = this.width;\n } else {\n this.height = this.maxHeight;\n this.top = 0;\n this.bottom = this.height;\n }\n this.paddingLeft = 0;\n this.paddingTop = 0;\n this.paddingRight = 0;\n this.paddingBottom = 0;\n }\n afterSetDimensions() {\n callback(this.options.afterSetDimensions, [this]);\n }\n _callHooks(name) {\n this.chart.notifyPlugins(name, this.getContext());\n callback(this.options[name], [this]);\n }\n beforeDataLimits() {\n this._callHooks('beforeDataLimits');\n }\n determineDataLimits() {}\n afterDataLimits() {\n this._callHooks('afterDataLimits');\n }\n beforeBuildTicks() {\n this._callHooks('beforeBuildTicks');\n }\n buildTicks() {\n return [];\n }\n afterBuildTicks() {\n this._callHooks('afterBuildTicks');\n }\n beforeTickToLabelConversion() {\n callback(this.options.beforeTickToLabelConversion, [this]);\n }\n generateTickLabels(ticks) {\n const tickOpts = this.options.ticks;\n let i, ilen, tick;\n for (i = 0, ilen = ticks.length; i < ilen; i++) {\n tick = ticks[i];\n tick.label = callback(tickOpts.callback, [tick.value, i, ticks], this);\n }\n }\n afterTickToLabelConversion() {\n callback(this.options.afterTickToLabelConversion, [this]);\n }\n beforeCalculateLabelRotation() {\n callback(this.options.beforeCalculateLabelRotation, [this]);\n }\n calculateLabelRotation() {\n const options = this.options;\n const tickOpts = options.ticks;\n const numTicks = this.ticks.length;\n const minRotation = tickOpts.minRotation || 0;\n const maxRotation = tickOpts.maxRotation;\n let labelRotation = minRotation;\n let tickWidth, maxHeight, maxLabelDiagonal;\n if (!this._isVisible() || !tickOpts.display || minRotation >= maxRotation || numTicks <= 1 || !this.isHorizontal()) {\n this.labelRotation = minRotation;\n return;\n }\n const labelSizes = this._getLabelSizes();\n const maxLabelWidth = labelSizes.widest.width;\n const maxLabelHeight = labelSizes.highest.height;\n const maxWidth = _limitValue(this.chart.width - maxLabelWidth, 0, this.maxWidth);\n tickWidth = options.offset ? this.maxWidth / numTicks : maxWidth / (numTicks - 1);\n if (maxLabelWidth + 6 > tickWidth) {\n tickWidth = maxWidth / (numTicks - (options.offset ? 0.5 : 1));\n maxHeight = this.maxHeight - getTickMarkLength(options.grid)\n\t\t\t\t- tickOpts.padding - getTitleHeight(options.title, this.chart.options.font);\n maxLabelDiagonal = Math.sqrt(maxLabelWidth * maxLabelWidth + maxLabelHeight * maxLabelHeight);\n labelRotation = toDegrees(Math.min(\n Math.asin(_limitValue((labelSizes.highest.height + 6) / tickWidth, -1, 1)),\n Math.asin(_limitValue(maxHeight / maxLabelDiagonal, -1, 1)) - Math.asin(_limitValue(maxLabelHeight / maxLabelDiagonal, -1, 1))\n ));\n labelRotation = Math.max(minRotation, Math.min(maxRotation, labelRotation));\n }\n this.labelRotation = labelRotation;\n }\n afterCalculateLabelRotation() {\n callback(this.options.afterCalculateLabelRotation, [this]);\n }\n afterAutoSkip() {}\n beforeFit() {\n callback(this.options.beforeFit, [this]);\n }\n fit() {\n const minSize = {\n width: 0,\n height: 0\n };\n const {chart, options: {ticks: tickOpts, title: titleOpts, grid: gridOpts}} = this;\n const display = this._isVisible();\n const isHorizontal = this.isHorizontal();\n if (display) {\n const titleHeight = getTitleHeight(titleOpts, chart.options.font);\n if (isHorizontal) {\n minSize.width = this.maxWidth;\n minSize.height = getTickMarkLength(gridOpts) + titleHeight;\n } else {\n minSize.height = this.maxHeight;\n minSize.width = getTickMarkLength(gridOpts) + titleHeight;\n }\n if (tickOpts.display && this.ticks.length) {\n const {first, last, widest, highest} = this._getLabelSizes();\n const tickPadding = tickOpts.padding * 2;\n const angleRadians = toRadians(this.labelRotation);\n const cos = Math.cos(angleRadians);\n const sin = Math.sin(angleRadians);\n if (isHorizontal) {\n const labelHeight = tickOpts.mirror ? 0 : sin * widest.width + cos * highest.height;\n minSize.height = Math.min(this.maxHeight, minSize.height + labelHeight + tickPadding);\n } else {\n const labelWidth = tickOpts.mirror ? 0 : cos * widest.width + sin * highest.height;\n minSize.width = Math.min(this.maxWidth, minSize.width + labelWidth + tickPadding);\n }\n this._calculatePadding(first, last, sin, cos);\n }\n }\n this._handleMargins();\n if (isHorizontal) {\n this.width = this._length = chart.width - this._margins.left - this._margins.right;\n this.height = minSize.height;\n } else {\n this.width = minSize.width;\n this.height = this._length = chart.height - this._margins.top - this._margins.bottom;\n }\n }\n _calculatePadding(first, last, sin, cos) {\n const {ticks: {align, padding}, position} = this.options;\n const isRotated = this.labelRotation !== 0;\n const labelsBelowTicks = position !== 'top' && this.axis === 'x';\n if (this.isHorizontal()) {\n const offsetLeft = this.getPixelForTick(0) - this.left;\n const offsetRight = this.right - this.getPixelForTick(this.ticks.length - 1);\n let paddingLeft = 0;\n let paddingRight = 0;\n if (isRotated) {\n if (labelsBelowTicks) {\n paddingLeft = cos * first.width;\n paddingRight = sin * last.height;\n } else {\n paddingLeft = sin * first.height;\n paddingRight = cos * last.width;\n }\n } else if (align === 'start') {\n paddingRight = last.width;\n } else if (align === 'end') {\n paddingLeft = first.width;\n } else if (align !== 'inner') {\n paddingLeft = first.width / 2;\n paddingRight = last.width / 2;\n }\n this.paddingLeft = Math.max((paddingLeft - offsetLeft + padding) * this.width / (this.width - offsetLeft), 0);\n this.paddingRight = Math.max((paddingRight - offsetRight + padding) * this.width / (this.width - offsetRight), 0);\n } else {\n let paddingTop = last.height / 2;\n let paddingBottom = first.height / 2;\n if (align === 'start') {\n paddingTop = 0;\n paddingBottom = first.height;\n } else if (align === 'end') {\n paddingTop = last.height;\n paddingBottom = 0;\n }\n this.paddingTop = paddingTop + padding;\n this.paddingBottom = paddingBottom + padding;\n }\n }\n _handleMargins() {\n if (this._margins) {\n this._margins.left = Math.max(this.paddingLeft, this._margins.left);\n this._margins.top = Math.max(this.paddingTop, this._margins.top);\n this._margins.right = Math.max(this.paddingRight, this._margins.right);\n this._margins.bottom = Math.max(this.paddingBottom, this._margins.bottom);\n }\n }\n afterFit() {\n callback(this.options.afterFit, [this]);\n }\n isHorizontal() {\n const {axis, position} = this.options;\n return position === 'top' || position === 'bottom' || axis === 'x';\n }\n isFullSize() {\n return this.options.fullSize;\n }\n _convertTicksToLabels(ticks) {\n this.beforeTickToLabelConversion();\n this.generateTickLabels(ticks);\n let i, ilen;\n for (i = 0, ilen = ticks.length; i < ilen; i++) {\n if (isNullOrUndef(ticks[i].label)) {\n ticks.splice(i, 1);\n ilen--;\n i--;\n }\n }\n this.afterTickToLabelConversion();\n }\n _getLabelSizes() {\n let labelSizes = this._labelSizes;\n if (!labelSizes) {\n const sampleSize = this.options.ticks.sampleSize;\n let ticks = this.ticks;\n if (sampleSize < ticks.length) {\n ticks = sample(ticks, sampleSize);\n }\n this._labelSizes = labelSizes = this._computeLabelSizes(ticks, ticks.length);\n }\n return labelSizes;\n }\n _computeLabelSizes(ticks, length) {\n const {ctx, _longestTextCache: caches} = this;\n const widths = [];\n const heights = [];\n let widestLabelSize = 0;\n let highestLabelSize = 0;\n let i, j, jlen, label, tickFont, fontString, cache, lineHeight, width, height, nestedLabel;\n for (i = 0; i < length; ++i) {\n label = ticks[i].label;\n tickFont = this._resolveTickFontOptions(i);\n ctx.font = fontString = tickFont.string;\n cache = caches[fontString] = caches[fontString] || {data: {}, gc: []};\n lineHeight = tickFont.lineHeight;\n width = height = 0;\n if (!isNullOrUndef(label) && !isArray(label)) {\n width = _measureText(ctx, cache.data, cache.gc, width, label);\n height = lineHeight;\n } else if (isArray(label)) {\n for (j = 0, jlen = label.length; j < jlen; ++j) {\n nestedLabel = label[j];\n if (!isNullOrUndef(nestedLabel) && !isArray(nestedLabel)) {\n width = _measureText(ctx, cache.data, cache.gc, width, nestedLabel);\n height += lineHeight;\n }\n }\n }\n widths.push(width);\n heights.push(height);\n widestLabelSize = Math.max(width, widestLabelSize);\n highestLabelSize = Math.max(height, highestLabelSize);\n }\n garbageCollect(caches, length);\n const widest = widths.indexOf(widestLabelSize);\n const highest = heights.indexOf(highestLabelSize);\n const valueAt = (idx) => ({width: widths[idx] || 0, height: heights[idx] || 0});\n return {\n first: valueAt(0),\n last: valueAt(length - 1),\n widest: valueAt(widest),\n highest: valueAt(highest),\n widths,\n heights,\n };\n }\n getLabelForValue(value) {\n return value;\n }\n getPixelForValue(value, index) {\n return NaN;\n }\n getValueForPixel(pixel) {}\n getPixelForTick(index) {\n const ticks = this.ticks;\n if (index < 0 || index > ticks.length - 1) {\n return null;\n }\n return this.getPixelForValue(ticks[index].value);\n }\n getPixelForDecimal(decimal) {\n if (this._reversePixels) {\n decimal = 1 - decimal;\n }\n const pixel = this._startPixel + decimal * this._length;\n return _int16Range(this._alignToPixels ? _alignPixel(this.chart, pixel, 0) : pixel);\n }\n getDecimalForPixel(pixel) {\n const decimal = (pixel - this._startPixel) / this._length;\n return this._reversePixels ? 1 - decimal : decimal;\n }\n getBasePixel() {\n return this.getPixelForValue(this.getBaseValue());\n }\n getBaseValue() {\n const {min, max} = this;\n return min < 0 && max < 0 ? max :\n min > 0 && max > 0 ? min :\n 0;\n }\n getContext(index) {\n const ticks = this.ticks || [];\n if (index >= 0 && index < ticks.length) {\n const tick = ticks[index];\n return tick.$context ||\n\t\t\t\t(tick.$context = createTickContext(this.getContext(), index, tick));\n }\n return this.$context ||\n\t\t\t(this.$context = createScaleContext(this.chart.getContext(), this));\n }\n _tickSize() {\n const optionTicks = this.options.ticks;\n const rot = toRadians(this.labelRotation);\n const cos = Math.abs(Math.cos(rot));\n const sin = Math.abs(Math.sin(rot));\n const labelSizes = this._getLabelSizes();\n const padding = optionTicks.autoSkipPadding || 0;\n const w = labelSizes ? labelSizes.widest.width + padding : 0;\n const h = labelSizes ? labelSizes.highest.height + padding : 0;\n return this.isHorizontal()\n ? h * cos > w * sin ? w / cos : h / sin\n : h * sin < w * cos ? h / cos : w / sin;\n }\n _isVisible() {\n const display = this.options.display;\n if (display !== 'auto') {\n return !!display;\n }\n return this.getMatchingVisibleMetas().length > 0;\n }\n _computeGridLineItems(chartArea) {\n const axis = this.axis;\n const chart = this.chart;\n const options = this.options;\n const {grid, position} = options;\n const offset = grid.offset;\n const isHorizontal = this.isHorizontal();\n const ticks = this.ticks;\n const ticksLength = ticks.length + (offset ? 1 : 0);\n const tl = getTickMarkLength(grid);\n const items = [];\n const borderOpts = grid.setContext(this.getContext());\n const axisWidth = borderOpts.drawBorder ? borderOpts.borderWidth : 0;\n const axisHalfWidth = axisWidth / 2;\n const alignBorderValue = function(pixel) {\n return _alignPixel(chart, pixel, axisWidth);\n };\n let borderValue, i, lineValue, alignedLineValue;\n let tx1, ty1, tx2, ty2, x1, y1, x2, y2;\n if (position === 'top') {\n borderValue = alignBorderValue(this.bottom);\n ty1 = this.bottom - tl;\n ty2 = borderValue - axisHalfWidth;\n y1 = alignBorderValue(chartArea.top) + axisHalfWidth;\n y2 = chartArea.bottom;\n } else if (position === 'bottom') {\n borderValue = alignBorderValue(this.top);\n y1 = chartArea.top;\n y2 = alignBorderValue(chartArea.bottom) - axisHalfWidth;\n ty1 = borderValue + axisHalfWidth;\n ty2 = this.top + tl;\n } else if (position === 'left') {\n borderValue = alignBorderValue(this.right);\n tx1 = this.right - tl;\n tx2 = borderValue - axisHalfWidth;\n x1 = alignBorderValue(chartArea.left) + axisHalfWidth;\n x2 = chartArea.right;\n } else if (position === 'right') {\n borderValue = alignBorderValue(this.left);\n x1 = chartArea.left;\n x2 = alignBorderValue(chartArea.right) - axisHalfWidth;\n tx1 = borderValue + axisHalfWidth;\n tx2 = this.left + tl;\n } else if (axis === 'x') {\n if (position === 'center') {\n borderValue = alignBorderValue((chartArea.top + chartArea.bottom) / 2 + 0.5);\n } else if (isObject(position)) {\n const positionAxisID = Object.keys(position)[0];\n const value = position[positionAxisID];\n borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value));\n }\n y1 = chartArea.top;\n y2 = chartArea.bottom;\n ty1 = borderValue + axisHalfWidth;\n ty2 = ty1 + tl;\n } else if (axis === 'y') {\n if (position === 'center') {\n borderValue = alignBorderValue((chartArea.left + chartArea.right) / 2);\n } else if (isObject(position)) {\n const positionAxisID = Object.keys(position)[0];\n const value = position[positionAxisID];\n borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value));\n }\n tx1 = borderValue - axisHalfWidth;\n tx2 = tx1 - tl;\n x1 = chartArea.left;\n x2 = chartArea.right;\n }\n const limit = valueOrDefault(options.ticks.maxTicksLimit, ticksLength);\n const step = Math.max(1, Math.ceil(ticksLength / limit));\n for (i = 0; i < ticksLength; i += step) {\n const optsAtIndex = grid.setContext(this.getContext(i));\n const lineWidth = optsAtIndex.lineWidth;\n const lineColor = optsAtIndex.color;\n const borderDash = optsAtIndex.borderDash || [];\n const borderDashOffset = optsAtIndex.borderDashOffset;\n const tickWidth = optsAtIndex.tickWidth;\n const tickColor = optsAtIndex.tickColor;\n const tickBorderDash = optsAtIndex.tickBorderDash || [];\n const tickBorderDashOffset = optsAtIndex.tickBorderDashOffset;\n lineValue = getPixelForGridLine(this, i, offset);\n if (lineValue === undefined) {\n continue;\n }\n alignedLineValue = _alignPixel(chart, lineValue, lineWidth);\n if (isHorizontal) {\n tx1 = tx2 = x1 = x2 = alignedLineValue;\n } else {\n ty1 = ty2 = y1 = y2 = alignedLineValue;\n }\n items.push({\n tx1,\n ty1,\n tx2,\n ty2,\n x1,\n y1,\n x2,\n y2,\n width: lineWidth,\n color: lineColor,\n borderDash,\n borderDashOffset,\n tickWidth,\n tickColor,\n tickBorderDash,\n tickBorderDashOffset,\n });\n }\n this._ticksLength = ticksLength;\n this._borderValue = borderValue;\n return items;\n }\n _computeLabelItems(chartArea) {\n const axis = this.axis;\n const options = this.options;\n const {position, ticks: optionTicks} = options;\n const isHorizontal = this.isHorizontal();\n const ticks = this.ticks;\n const {align, crossAlign, padding, mirror} = optionTicks;\n const tl = getTickMarkLength(options.grid);\n const tickAndPadding = tl + padding;\n const hTickAndPadding = mirror ? -padding : tickAndPadding;\n const rotation = -toRadians(this.labelRotation);\n const items = [];\n let i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset;\n let textBaseline = 'middle';\n if (position === 'top') {\n y = this.bottom - hTickAndPadding;\n textAlign = this._getXAxisLabelAlignment();\n } else if (position === 'bottom') {\n y = this.top + hTickAndPadding;\n textAlign = this._getXAxisLabelAlignment();\n } else if (position === 'left') {\n const ret = this._getYAxisLabelAlignment(tl);\n textAlign = ret.textAlign;\n x = ret.x;\n } else if (position === 'right') {\n const ret = this._getYAxisLabelAlignment(tl);\n textAlign = ret.textAlign;\n x = ret.x;\n } else if (axis === 'x') {\n if (position === 'center') {\n y = ((chartArea.top + chartArea.bottom) / 2) + tickAndPadding;\n } else if (isObject(position)) {\n const positionAxisID = Object.keys(position)[0];\n const value = position[positionAxisID];\n y = this.chart.scales[positionAxisID].getPixelForValue(value) + tickAndPadding;\n }\n textAlign = this._getXAxisLabelAlignment();\n } else if (axis === 'y') {\n if (position === 'center') {\n x = ((chartArea.left + chartArea.right) / 2) - tickAndPadding;\n } else if (isObject(position)) {\n const positionAxisID = Object.keys(position)[0];\n const value = position[positionAxisID];\n x = this.chart.scales[positionAxisID].getPixelForValue(value);\n }\n textAlign = this._getYAxisLabelAlignment(tl).textAlign;\n }\n if (axis === 'y') {\n if (align === 'start') {\n textBaseline = 'top';\n } else if (align === 'end') {\n textBaseline = 'bottom';\n }\n }\n const labelSizes = this._getLabelSizes();\n for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n tick = ticks[i];\n label = tick.label;\n const optsAtIndex = optionTicks.setContext(this.getContext(i));\n pixel = this.getPixelForTick(i) + optionTicks.labelOffset;\n font = this._resolveTickFontOptions(i);\n lineHeight = font.lineHeight;\n lineCount = isArray(label) ? label.length : 1;\n const halfCount = lineCount / 2;\n const color = optsAtIndex.color;\n const strokeColor = optsAtIndex.textStrokeColor;\n const strokeWidth = optsAtIndex.textStrokeWidth;\n let tickTextAlign = textAlign;\n if (isHorizontal) {\n x = pixel;\n if (textAlign === 'inner') {\n if (i === ilen - 1) {\n tickTextAlign = !this.options.reverse ? 'right' : 'left';\n } else if (i === 0) {\n tickTextAlign = !this.options.reverse ? 'left' : 'right';\n } else {\n tickTextAlign = 'center';\n }\n }\n if (position === 'top') {\n if (crossAlign === 'near' || rotation !== 0) {\n textOffset = -lineCount * lineHeight + lineHeight / 2;\n } else if (crossAlign === 'center') {\n textOffset = -labelSizes.highest.height / 2 - halfCount * lineHeight + lineHeight;\n } else {\n textOffset = -labelSizes.highest.height + lineHeight / 2;\n }\n } else {\n if (crossAlign === 'near' || rotation !== 0) {\n textOffset = lineHeight / 2;\n } else if (crossAlign === 'center') {\n textOffset = labelSizes.highest.height / 2 - halfCount * lineHeight;\n } else {\n textOffset = labelSizes.highest.height - lineCount * lineHeight;\n }\n }\n if (mirror) {\n textOffset *= -1;\n }\n } else {\n y = pixel;\n textOffset = (1 - lineCount) * lineHeight / 2;\n }\n let backdrop;\n if (optsAtIndex.showLabelBackdrop) {\n const labelPadding = toPadding(optsAtIndex.backdropPadding);\n const height = labelSizes.heights[i];\n const width = labelSizes.widths[i];\n let top = y + textOffset - labelPadding.top;\n let left = x - labelPadding.left;\n switch (textBaseline) {\n case 'middle':\n top -= height / 2;\n break;\n case 'bottom':\n top -= height;\n break;\n }\n switch (textAlign) {\n case 'center':\n left -= width / 2;\n break;\n case 'right':\n left -= width;\n break;\n }\n backdrop = {\n left,\n top,\n width: width + labelPadding.width,\n height: height + labelPadding.height,\n color: optsAtIndex.backdropColor,\n };\n }\n items.push({\n rotation,\n label,\n font,\n color,\n strokeColor,\n strokeWidth,\n textOffset,\n textAlign: tickTextAlign,\n textBaseline,\n translation: [x, y],\n backdrop,\n });\n }\n return items;\n }\n _getXAxisLabelAlignment() {\n const {position, ticks} = this.options;\n const rotation = -toRadians(this.labelRotation);\n if (rotation) {\n return position === 'top' ? 'left' : 'right';\n }\n let align = 'center';\n if (ticks.align === 'start') {\n align = 'left';\n } else if (ticks.align === 'end') {\n align = 'right';\n } else if (ticks.align === 'inner') {\n align = 'inner';\n }\n return align;\n }\n _getYAxisLabelAlignment(tl) {\n const {position, ticks: {crossAlign, mirror, padding}} = this.options;\n const labelSizes = this._getLabelSizes();\n const tickAndPadding = tl + padding;\n const widest = labelSizes.widest.width;\n let textAlign;\n let x;\n if (position === 'left') {\n if (mirror) {\n x = this.right + padding;\n if (crossAlign === 'near') {\n textAlign = 'left';\n } else if (crossAlign === 'center') {\n textAlign = 'center';\n x += (widest / 2);\n } else {\n textAlign = 'right';\n x += widest;\n }\n } else {\n x = this.right - tickAndPadding;\n if (crossAlign === 'near') {\n textAlign = 'right';\n } else if (crossAlign === 'center') {\n textAlign = 'center';\n x -= (widest / 2);\n } else {\n textAlign = 'left';\n x = this.left;\n }\n }\n } else if (position === 'right') {\n if (mirror) {\n x = this.left + padding;\n if (crossAlign === 'near') {\n textAlign = 'right';\n } else if (crossAlign === 'center') {\n textAlign = 'center';\n x -= (widest / 2);\n } else {\n textAlign = 'left';\n x -= widest;\n }\n } else {\n x = this.left + tickAndPadding;\n if (crossAlign === 'near') {\n textAlign = 'left';\n } else if (crossAlign === 'center') {\n textAlign = 'center';\n x += widest / 2;\n } else {\n textAlign = 'right';\n x = this.right;\n }\n }\n } else {\n textAlign = 'right';\n }\n return {textAlign, x};\n }\n _computeLabelArea() {\n if (this.options.ticks.mirror) {\n return;\n }\n const chart = this.chart;\n const position = this.options.position;\n if (position === 'left' || position === 'right') {\n return {top: 0, left: this.left, bottom: chart.height, right: this.right};\n } if (position === 'top' || position === 'bottom') {\n return {top: this.top, left: 0, bottom: this.bottom, right: chart.width};\n }\n }\n drawBackground() {\n const {ctx, options: {backgroundColor}, left, top, width, height} = this;\n if (backgroundColor) {\n ctx.save();\n ctx.fillStyle = backgroundColor;\n ctx.fillRect(left, top, width, height);\n ctx.restore();\n }\n }\n getLineWidthForValue(value) {\n const grid = this.options.grid;\n if (!this._isVisible() || !grid.display) {\n return 0;\n }\n const ticks = this.ticks;\n const index = ticks.findIndex(t => t.value === value);\n if (index >= 0) {\n const opts = grid.setContext(this.getContext(index));\n return opts.lineWidth;\n }\n return 0;\n }\n drawGrid(chartArea) {\n const grid = this.options.grid;\n const ctx = this.ctx;\n const items = this._gridLineItems || (this._gridLineItems = this._computeGridLineItems(chartArea));\n let i, ilen;\n const drawLine = (p1, p2, style) => {\n if (!style.width || !style.color) {\n return;\n }\n ctx.save();\n ctx.lineWidth = style.width;\n ctx.strokeStyle = style.color;\n ctx.setLineDash(style.borderDash || []);\n ctx.lineDashOffset = style.borderDashOffset;\n ctx.beginPath();\n ctx.moveTo(p1.x, p1.y);\n ctx.lineTo(p2.x, p2.y);\n ctx.stroke();\n ctx.restore();\n };\n if (grid.display) {\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n const item = items[i];\n if (grid.drawOnChartArea) {\n drawLine(\n {x: item.x1, y: item.y1},\n {x: item.x2, y: item.y2},\n item\n );\n }\n if (grid.drawTicks) {\n drawLine(\n {x: item.tx1, y: item.ty1},\n {x: item.tx2, y: item.ty2},\n {\n color: item.tickColor,\n width: item.tickWidth,\n borderDash: item.tickBorderDash,\n borderDashOffset: item.tickBorderDashOffset\n }\n );\n }\n }\n }\n }\n drawBorder() {\n const {chart, ctx, options: {grid}} = this;\n const borderOpts = grid.setContext(this.getContext());\n const axisWidth = grid.drawBorder ? borderOpts.borderWidth : 0;\n if (!axisWidth) {\n return;\n }\n const lastLineWidth = grid.setContext(this.getContext(0)).lineWidth;\n const borderValue = this._borderValue;\n let x1, x2, y1, y2;\n if (this.isHorizontal()) {\n x1 = _alignPixel(chart, this.left, axisWidth) - axisWidth / 2;\n x2 = _alignPixel(chart, this.right, lastLineWidth) + lastLineWidth / 2;\n y1 = y2 = borderValue;\n } else {\n y1 = _alignPixel(chart, this.top, axisWidth) - axisWidth / 2;\n y2 = _alignPixel(chart, this.bottom, lastLineWidth) + lastLineWidth / 2;\n x1 = x2 = borderValue;\n }\n ctx.save();\n ctx.lineWidth = borderOpts.borderWidth;\n ctx.strokeStyle = borderOpts.borderColor;\n ctx.beginPath();\n ctx.moveTo(x1, y1);\n ctx.lineTo(x2, y2);\n ctx.stroke();\n ctx.restore();\n }\n drawLabels(chartArea) {\n const optionTicks = this.options.ticks;\n if (!optionTicks.display) {\n return;\n }\n const ctx = this.ctx;\n const area = this._computeLabelArea();\n if (area) {\n clipArea(ctx, area);\n }\n const items = this._labelItems || (this._labelItems = this._computeLabelItems(chartArea));\n let i, ilen;\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n const item = items[i];\n const tickFont = item.font;\n const label = item.label;\n if (item.backdrop) {\n ctx.fillStyle = item.backdrop.color;\n ctx.fillRect(item.backdrop.left, item.backdrop.top, item.backdrop.width, item.backdrop.height);\n }\n let y = item.textOffset;\n renderText(ctx, label, 0, y, tickFont, item);\n }\n if (area) {\n unclipArea(ctx);\n }\n }\n drawTitle() {\n const {ctx, options: {position, title, reverse}} = this;\n if (!title.display) {\n return;\n }\n const font = toFont(title.font);\n const padding = toPadding(title.padding);\n const align = title.align;\n let offset = font.lineHeight / 2;\n if (position === 'bottom' || position === 'center' || isObject(position)) {\n offset += padding.bottom;\n if (isArray(title.text)) {\n offset += font.lineHeight * (title.text.length - 1);\n }\n } else {\n offset += padding.top;\n }\n const {titleX, titleY, maxWidth, rotation} = titleArgs(this, offset, position, align);\n renderText(ctx, title.text, 0, 0, font, {\n color: title.color,\n maxWidth,\n rotation,\n textAlign: titleAlign(align, position, reverse),\n textBaseline: 'middle',\n translation: [titleX, titleY],\n });\n }\n draw(chartArea) {\n if (!this._isVisible()) {\n return;\n }\n this.drawBackground();\n this.drawGrid(chartArea);\n this.drawBorder();\n this.drawTitle();\n this.drawLabels(chartArea);\n }\n _layers() {\n const opts = this.options;\n const tz = opts.ticks && opts.ticks.z || 0;\n const gz = valueOrDefault(opts.grid && opts.grid.z, -1);\n if (!this._isVisible() || this.draw !== Scale.prototype.draw) {\n return [{\n z: tz,\n draw: (chartArea) => {\n this.draw(chartArea);\n }\n }];\n }\n return [{\n z: gz,\n draw: (chartArea) => {\n this.drawBackground();\n this.drawGrid(chartArea);\n this.drawTitle();\n }\n }, {\n z: gz + 1,\n draw: () => {\n this.drawBorder();\n }\n }, {\n z: tz,\n draw: (chartArea) => {\n this.drawLabels(chartArea);\n }\n }];\n }\n getMatchingVisibleMetas(type) {\n const metas = this.chart.getSortedVisibleDatasetMetas();\n const axisID = this.axis + 'AxisID';\n const result = [];\n let i, ilen;\n for (i = 0, ilen = metas.length; i < ilen; ++i) {\n const meta = metas[i];\n if (meta[axisID] === this.id && (!type || meta.type === type)) {\n result.push(meta);\n }\n }\n return result;\n }\n _resolveTickFontOptions(index) {\n const opts = this.options.ticks.setContext(this.getContext(index));\n return toFont(opts.font);\n }\n _maxDigits() {\n const fontSize = this._resolveTickFontOptions(0).lineHeight;\n return (this.isHorizontal() ? this.width : this.height) / fontSize;\n }\n}\n\nclass TypedRegistry {\n constructor(type, scope, override) {\n this.type = type;\n this.scope = scope;\n this.override = override;\n this.items = Object.create(null);\n }\n isForType(type) {\n return Object.prototype.isPrototypeOf.call(this.type.prototype, type.prototype);\n }\n register(item) {\n const proto = Object.getPrototypeOf(item);\n let parentScope;\n if (isIChartComponent(proto)) {\n parentScope = this.register(proto);\n }\n const items = this.items;\n const id = item.id;\n const scope = this.scope + '.' + id;\n if (!id) {\n throw new Error('class does not have id: ' + item);\n }\n if (id in items) {\n return scope;\n }\n items[id] = item;\n registerDefaults(item, scope, parentScope);\n if (this.override) {\n defaults.override(item.id, item.overrides);\n }\n return scope;\n }\n get(id) {\n return this.items[id];\n }\n unregister(item) {\n const items = this.items;\n const id = item.id;\n const scope = this.scope;\n if (id in items) {\n delete items[id];\n }\n if (scope && id in defaults[scope]) {\n delete defaults[scope][id];\n if (this.override) {\n delete overrides[id];\n }\n }\n }\n}\nfunction registerDefaults(item, scope, parentScope) {\n const itemDefaults = merge(Object.create(null), [\n parentScope ? defaults.get(parentScope) : {},\n defaults.get(scope),\n item.defaults\n ]);\n defaults.set(scope, itemDefaults);\n if (item.defaultRoutes) {\n routeDefaults(scope, item.defaultRoutes);\n }\n if (item.descriptors) {\n defaults.describe(scope, item.descriptors);\n }\n}\nfunction routeDefaults(scope, routes) {\n Object.keys(routes).forEach(property => {\n const propertyParts = property.split('.');\n const sourceName = propertyParts.pop();\n const sourceScope = [scope].concat(propertyParts).join('.');\n const parts = routes[property].split('.');\n const targetName = parts.pop();\n const targetScope = parts.join('.');\n defaults.route(sourceScope, sourceName, targetScope, targetName);\n });\n}\nfunction isIChartComponent(proto) {\n return 'id' in proto && 'defaults' in proto;\n}\n\nclass Registry {\n constructor() {\n this.controllers = new TypedRegistry(DatasetController, 'datasets', true);\n this.elements = new TypedRegistry(Element, 'elements');\n this.plugins = new TypedRegistry(Object, 'plugins');\n this.scales = new TypedRegistry(Scale, 'scales');\n this._typedRegistries = [this.controllers, this.scales, this.elements];\n }\n add(...args) {\n this._each('register', args);\n }\n remove(...args) {\n this._each('unregister', args);\n }\n addControllers(...args) {\n this._each('register', args, this.controllers);\n }\n addElements(...args) {\n this._each('register', args, this.elements);\n }\n addPlugins(...args) {\n this._each('register', args, this.plugins);\n }\n addScales(...args) {\n this._each('register', args, this.scales);\n }\n getController(id) {\n return this._get(id, this.controllers, 'controller');\n }\n getElement(id) {\n return this._get(id, this.elements, 'element');\n }\n getPlugin(id) {\n return this._get(id, this.plugins, 'plugin');\n }\n getScale(id) {\n return this._get(id, this.scales, 'scale');\n }\n removeControllers(...args) {\n this._each('unregister', args, this.controllers);\n }\n removeElements(...args) {\n this._each('unregister', args, this.elements);\n }\n removePlugins(...args) {\n this._each('unregister', args, this.plugins);\n }\n removeScales(...args) {\n this._each('unregister', args, this.scales);\n }\n _each(method, args, typedRegistry) {\n [...args].forEach(arg => {\n const reg = typedRegistry || this._getRegistryForType(arg);\n if (typedRegistry || reg.isForType(arg) || (reg === this.plugins && arg.id)) {\n this._exec(method, reg, arg);\n } else {\n each(arg, item => {\n const itemReg = typedRegistry || this._getRegistryForType(item);\n this._exec(method, itemReg, item);\n });\n }\n });\n }\n _exec(method, registry, component) {\n const camelMethod = _capitalize(method);\n callback(component['before' + camelMethod], [], component);\n registry[method](component);\n callback(component['after' + camelMethod], [], component);\n }\n _getRegistryForType(type) {\n for (let i = 0; i < this._typedRegistries.length; i++) {\n const reg = this._typedRegistries[i];\n if (reg.isForType(type)) {\n return reg;\n }\n }\n return this.plugins;\n }\n _get(id, typedRegistry, type) {\n const item = typedRegistry.get(id);\n if (item === undefined) {\n throw new Error('\"' + id + '\" is not a registered ' + type + '.');\n }\n return item;\n }\n}\nvar registry = new Registry();\n\nclass ScatterController extends DatasetController {\n update(mode) {\n const meta = this._cachedMeta;\n const {data: points = []} = meta;\n const animationsDisabled = this.chart._animationsDisabled;\n let {start, count} = _getStartAndCountOfVisiblePoints(meta, points, animationsDisabled);\n this._drawStart = start;\n this._drawCount = count;\n if (_scaleRangesChanged(meta)) {\n start = 0;\n count = points.length;\n }\n if (this.options.showLine) {\n const {dataset: line, _dataset} = meta;\n line._chart = this.chart;\n line._datasetIndex = this.index;\n line._decimated = !!_dataset._decimated;\n line.points = points;\n const options = this.resolveDatasetElementOptions(mode);\n options.segment = this.options.segment;\n this.updateElement(line, undefined, {\n animated: !animationsDisabled,\n options\n }, mode);\n }\n this.updateElements(points, start, count, mode);\n }\n addElements() {\n const {showLine} = this.options;\n if (!this.datasetElementType && showLine) {\n this.datasetElementType = registry.getElement('line');\n }\n super.addElements();\n }\n updateElements(points, start, count, mode) {\n const reset = mode === 'reset';\n const {iScale, vScale, _stacked, _dataset} = this._cachedMeta;\n const firstOpts = this.resolveDataElementOptions(start, mode);\n const sharedOptions = this.getSharedOptions(firstOpts);\n const includeOptions = this.includeOptions(mode, sharedOptions);\n const iAxis = iScale.axis;\n const vAxis = vScale.axis;\n const {spanGaps, segment} = this.options;\n const maxGapLength = isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY;\n const directUpdate = this.chart._animationsDisabled || reset || mode === 'none';\n let prevParsed = start > 0 && this.getParsed(start - 1);\n for (let i = start; i < start + count; ++i) {\n const point = points[i];\n const parsed = this.getParsed(i);\n const properties = directUpdate ? point : {};\n const nullData = isNullOrUndef(parsed[vAxis]);\n const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i);\n const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i);\n properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData;\n properties.stop = i > 0 && (Math.abs(parsed[iAxis] - prevParsed[iAxis])) > maxGapLength;\n if (segment) {\n properties.parsed = parsed;\n properties.raw = _dataset.data[i];\n }\n if (includeOptions) {\n properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode);\n }\n if (!directUpdate) {\n this.updateElement(point, i, properties, mode);\n }\n prevParsed = parsed;\n }\n this.updateSharedOptions(sharedOptions, mode, firstOpts);\n }\n getMaxOverflow() {\n const meta = this._cachedMeta;\n const data = meta.data || [];\n if (!this.options.showLine) {\n let max = 0;\n for (let i = data.length - 1; i >= 0; --i) {\n max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2);\n }\n return max > 0 && max;\n }\n const dataset = meta.dataset;\n const border = dataset.options && dataset.options.borderWidth || 0;\n if (!data.length) {\n return border;\n }\n const firstPoint = data[0].size(this.resolveDataElementOptions(0));\n const lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1));\n return Math.max(border, firstPoint, lastPoint) / 2;\n }\n}\nScatterController.id = 'scatter';\nScatterController.defaults = {\n datasetElementType: false,\n dataElementType: 'point',\n showLine: false,\n fill: false\n};\nScatterController.overrides = {\n interaction: {\n mode: 'point'\n },\n plugins: {\n tooltip: {\n callbacks: {\n title() {\n return '';\n },\n label(item) {\n return '(' + item.label + ', ' + item.formattedValue + ')';\n }\n }\n }\n },\n scales: {\n x: {\n type: 'linear'\n },\n y: {\n type: 'linear'\n }\n }\n};\n\nvar controllers = /*#__PURE__*/Object.freeze({\n__proto__: null,\nBarController: BarController,\nBubbleController: BubbleController,\nDoughnutController: DoughnutController,\nLineController: LineController,\nPolarAreaController: PolarAreaController,\nPieController: PieController,\nRadarController: RadarController,\nScatterController: ScatterController\n});\n\nfunction abstract() {\n throw new Error('This method is not implemented: Check that a complete date adapter is provided.');\n}\nclass DateAdapter {\n constructor(options) {\n this.options = options || {};\n }\n init(chartOptions) {}\n formats() {\n return abstract();\n }\n parse(value, format) {\n return abstract();\n }\n format(timestamp, format) {\n return abstract();\n }\n add(timestamp, amount, unit) {\n return abstract();\n }\n diff(a, b, unit) {\n return abstract();\n }\n startOf(timestamp, unit, weekday) {\n return abstract();\n }\n endOf(timestamp, unit) {\n return abstract();\n }\n}\nDateAdapter.override = function(members) {\n Object.assign(DateAdapter.prototype, members);\n};\nvar adapters = {\n _date: DateAdapter\n};\n\nfunction binarySearch(metaset, axis, value, intersect) {\n const {controller, data, _sorted} = metaset;\n const iScale = controller._cachedMeta.iScale;\n if (iScale && axis === iScale.axis && axis !== 'r' && _sorted && data.length) {\n const lookupMethod = iScale._reversePixels ? _rlookupByKey : _lookupByKey;\n if (!intersect) {\n return lookupMethod(data, axis, value);\n } else if (controller._sharedOptions) {\n const el = data[0];\n const range = typeof el.getRange === 'function' && el.getRange(axis);\n if (range) {\n const start = lookupMethod(data, axis, value - range);\n const end = lookupMethod(data, axis, value + range);\n return {lo: start.lo, hi: end.hi};\n }\n }\n }\n return {lo: 0, hi: data.length - 1};\n}\nfunction evaluateInteractionItems(chart, axis, position, handler, intersect) {\n const metasets = chart.getSortedVisibleDatasetMetas();\n const value = position[axis];\n for (let i = 0, ilen = metasets.length; i < ilen; ++i) {\n const {index, data} = metasets[i];\n const {lo, hi} = binarySearch(metasets[i], axis, value, intersect);\n for (let j = lo; j <= hi; ++j) {\n const element = data[j];\n if (!element.skip) {\n handler(element, index, j);\n }\n }\n }\n}\nfunction getDistanceMetricForAxis(axis) {\n const useX = axis.indexOf('x') !== -1;\n const useY = axis.indexOf('y') !== -1;\n return function(pt1, pt2) {\n const deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0;\n const deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0;\n return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2));\n };\n}\nfunction getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) {\n const items = [];\n if (!includeInvisible && !chart.isPointInArea(position)) {\n return items;\n }\n const evaluationFunc = function(element, datasetIndex, index) {\n if (!includeInvisible && !_isPointInArea(element, chart.chartArea, 0)) {\n return;\n }\n if (element.inRange(position.x, position.y, useFinalPosition)) {\n items.push({element, datasetIndex, index});\n }\n };\n evaluateInteractionItems(chart, axis, position, evaluationFunc, true);\n return items;\n}\nfunction getNearestRadialItems(chart, position, axis, useFinalPosition) {\n let items = [];\n function evaluationFunc(element, datasetIndex, index) {\n const {startAngle, endAngle} = element.getProps(['startAngle', 'endAngle'], useFinalPosition);\n const {angle} = getAngleFromPoint(element, {x: position.x, y: position.y});\n if (_angleBetween(angle, startAngle, endAngle)) {\n items.push({element, datasetIndex, index});\n }\n }\n evaluateInteractionItems(chart, axis, position, evaluationFunc);\n return items;\n}\nfunction getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition, includeInvisible) {\n let items = [];\n const distanceMetric = getDistanceMetricForAxis(axis);\n let minDistance = Number.POSITIVE_INFINITY;\n function evaluationFunc(element, datasetIndex, index) {\n const inRange = element.inRange(position.x, position.y, useFinalPosition);\n if (intersect && !inRange) {\n return;\n }\n const center = element.getCenterPoint(useFinalPosition);\n const pointInArea = !!includeInvisible || chart.isPointInArea(center);\n if (!pointInArea && !inRange) {\n return;\n }\n const distance = distanceMetric(position, center);\n if (distance < minDistance) {\n items = [{element, datasetIndex, index}];\n minDistance = distance;\n } else if (distance === minDistance) {\n items.push({element, datasetIndex, index});\n }\n }\n evaluateInteractionItems(chart, axis, position, evaluationFunc);\n return items;\n}\nfunction getNearestItems(chart, position, axis, intersect, useFinalPosition, includeInvisible) {\n if (!includeInvisible && !chart.isPointInArea(position)) {\n return [];\n }\n return axis === 'r' && !intersect\n ? getNearestRadialItems(chart, position, axis, useFinalPosition)\n : getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition, includeInvisible);\n}\nfunction getAxisItems(chart, position, axis, intersect, useFinalPosition) {\n const items = [];\n const rangeMethod = axis === 'x' ? 'inXRange' : 'inYRange';\n let intersectsItem = false;\n evaluateInteractionItems(chart, axis, position, (element, datasetIndex, index) => {\n if (element[rangeMethod](position[axis], useFinalPosition)) {\n items.push({element, datasetIndex, index});\n intersectsItem = intersectsItem || element.inRange(position.x, position.y, useFinalPosition);\n }\n });\n if (intersect && !intersectsItem) {\n return [];\n }\n return items;\n}\nvar Interaction = {\n evaluateInteractionItems,\n modes: {\n index(chart, e, options, useFinalPosition) {\n const position = getRelativePosition(e, chart);\n const axis = options.axis || 'x';\n const includeInvisible = options.includeInvisible || false;\n const items = options.intersect\n ? getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible)\n : getNearestItems(chart, position, axis, false, useFinalPosition, includeInvisible);\n const elements = [];\n if (!items.length) {\n return [];\n }\n chart.getSortedVisibleDatasetMetas().forEach((meta) => {\n const index = items[0].index;\n const element = meta.data[index];\n if (element && !element.skip) {\n elements.push({element, datasetIndex: meta.index, index});\n }\n });\n return elements;\n },\n dataset(chart, e, options, useFinalPosition) {\n const position = getRelativePosition(e, chart);\n const axis = options.axis || 'xy';\n const includeInvisible = options.includeInvisible || false;\n let items = options.intersect\n ? getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) :\n getNearestItems(chart, position, axis, false, useFinalPosition, includeInvisible);\n if (items.length > 0) {\n const datasetIndex = items[0].datasetIndex;\n const data = chart.getDatasetMeta(datasetIndex).data;\n items = [];\n for (let i = 0; i < data.length; ++i) {\n items.push({element: data[i], datasetIndex, index: i});\n }\n }\n return items;\n },\n point(chart, e, options, useFinalPosition) {\n const position = getRelativePosition(e, chart);\n const axis = options.axis || 'xy';\n const includeInvisible = options.includeInvisible || false;\n return getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible);\n },\n nearest(chart, e, options, useFinalPosition) {\n const position = getRelativePosition(e, chart);\n const axis = options.axis || 'xy';\n const includeInvisible = options.includeInvisible || false;\n return getNearestItems(chart, position, axis, options.intersect, useFinalPosition, includeInvisible);\n },\n x(chart, e, options, useFinalPosition) {\n const position = getRelativePosition(e, chart);\n return getAxisItems(chart, position, 'x', options.intersect, useFinalPosition);\n },\n y(chart, e, options, useFinalPosition) {\n const position = getRelativePosition(e, chart);\n return getAxisItems(chart, position, 'y', options.intersect, useFinalPosition);\n }\n }\n};\n\nconst STATIC_POSITIONS = ['left', 'top', 'right', 'bottom'];\nfunction filterByPosition(array, position) {\n return array.filter(v => v.pos === position);\n}\nfunction filterDynamicPositionByAxis(array, axis) {\n return array.filter(v => STATIC_POSITIONS.indexOf(v.pos) === -1 && v.box.axis === axis);\n}\nfunction sortByWeight(array, reverse) {\n return array.sort((a, b) => {\n const v0 = reverse ? b : a;\n const v1 = reverse ? a : b;\n return v0.weight === v1.weight ?\n v0.index - v1.index :\n v0.weight - v1.weight;\n });\n}\nfunction wrapBoxes(boxes) {\n const layoutBoxes = [];\n let i, ilen, box, pos, stack, stackWeight;\n for (i = 0, ilen = (boxes || []).length; i < ilen; ++i) {\n box = boxes[i];\n ({position: pos, options: {stack, stackWeight = 1}} = box);\n layoutBoxes.push({\n index: i,\n box,\n pos,\n horizontal: box.isHorizontal(),\n weight: box.weight,\n stack: stack && (pos + stack),\n stackWeight\n });\n }\n return layoutBoxes;\n}\nfunction buildStacks(layouts) {\n const stacks = {};\n for (const wrap of layouts) {\n const {stack, pos, stackWeight} = wrap;\n if (!stack || !STATIC_POSITIONS.includes(pos)) {\n continue;\n }\n const _stack = stacks[stack] || (stacks[stack] = {count: 0, placed: 0, weight: 0, size: 0});\n _stack.count++;\n _stack.weight += stackWeight;\n }\n return stacks;\n}\nfunction setLayoutDims(layouts, params) {\n const stacks = buildStacks(layouts);\n const {vBoxMaxWidth, hBoxMaxHeight} = params;\n let i, ilen, layout;\n for (i = 0, ilen = layouts.length; i < ilen; ++i) {\n layout = layouts[i];\n const {fullSize} = layout.box;\n const stack = stacks[layout.stack];\n const factor = stack && layout.stackWeight / stack.weight;\n if (layout.horizontal) {\n layout.width = factor ? factor * vBoxMaxWidth : fullSize && params.availableWidth;\n layout.height = hBoxMaxHeight;\n } else {\n layout.width = vBoxMaxWidth;\n layout.height = factor ? factor * hBoxMaxHeight : fullSize && params.availableHeight;\n }\n }\n return stacks;\n}\nfunction buildLayoutBoxes(boxes) {\n const layoutBoxes = wrapBoxes(boxes);\n const fullSize = sortByWeight(layoutBoxes.filter(wrap => wrap.box.fullSize), true);\n const left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true);\n const right = sortByWeight(filterByPosition(layoutBoxes, 'right'));\n const top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true);\n const bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom'));\n const centerHorizontal = filterDynamicPositionByAxis(layoutBoxes, 'x');\n const centerVertical = filterDynamicPositionByAxis(layoutBoxes, 'y');\n return {\n fullSize,\n leftAndTop: left.concat(top),\n rightAndBottom: right.concat(centerVertical).concat(bottom).concat(centerHorizontal),\n chartArea: filterByPosition(layoutBoxes, 'chartArea'),\n vertical: left.concat(right).concat(centerVertical),\n horizontal: top.concat(bottom).concat(centerHorizontal)\n };\n}\nfunction getCombinedMax(maxPadding, chartArea, a, b) {\n return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]);\n}\nfunction updateMaxPadding(maxPadding, boxPadding) {\n maxPadding.top = Math.max(maxPadding.top, boxPadding.top);\n maxPadding.left = Math.max(maxPadding.left, boxPadding.left);\n maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom);\n maxPadding.right = Math.max(maxPadding.right, boxPadding.right);\n}\nfunction updateDims(chartArea, params, layout, stacks) {\n const {pos, box} = layout;\n const maxPadding = chartArea.maxPadding;\n if (!isObject(pos)) {\n if (layout.size) {\n chartArea[pos] -= layout.size;\n }\n const stack = stacks[layout.stack] || {size: 0, count: 1};\n stack.size = Math.max(stack.size, layout.horizontal ? box.height : box.width);\n layout.size = stack.size / stack.count;\n chartArea[pos] += layout.size;\n }\n if (box.getPadding) {\n updateMaxPadding(maxPadding, box.getPadding());\n }\n const newWidth = Math.max(0, params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right'));\n const newHeight = Math.max(0, params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom'));\n const widthChanged = newWidth !== chartArea.w;\n const heightChanged = newHeight !== chartArea.h;\n chartArea.w = newWidth;\n chartArea.h = newHeight;\n return layout.horizontal\n ? {same: widthChanged, other: heightChanged}\n : {same: heightChanged, other: widthChanged};\n}\nfunction handleMaxPadding(chartArea) {\n const maxPadding = chartArea.maxPadding;\n function updatePos(pos) {\n const change = Math.max(maxPadding[pos] - chartArea[pos], 0);\n chartArea[pos] += change;\n return change;\n }\n chartArea.y += updatePos('top');\n chartArea.x += updatePos('left');\n updatePos('right');\n updatePos('bottom');\n}\nfunction getMargins(horizontal, chartArea) {\n const maxPadding = chartArea.maxPadding;\n function marginForPositions(positions) {\n const margin = {left: 0, top: 0, right: 0, bottom: 0};\n positions.forEach((pos) => {\n margin[pos] = Math.max(chartArea[pos], maxPadding[pos]);\n });\n return margin;\n }\n return horizontal\n ? marginForPositions(['left', 'right'])\n : marginForPositions(['top', 'bottom']);\n}\nfunction fitBoxes(boxes, chartArea, params, stacks) {\n const refitBoxes = [];\n let i, ilen, layout, box, refit, changed;\n for (i = 0, ilen = boxes.length, refit = 0; i < ilen; ++i) {\n layout = boxes[i];\n box = layout.box;\n box.update(\n layout.width || chartArea.w,\n layout.height || chartArea.h,\n getMargins(layout.horizontal, chartArea)\n );\n const {same, other} = updateDims(chartArea, params, layout, stacks);\n refit |= same && refitBoxes.length;\n changed = changed || other;\n if (!box.fullSize) {\n refitBoxes.push(layout);\n }\n }\n return refit && fitBoxes(refitBoxes, chartArea, params, stacks) || changed;\n}\nfunction setBoxDims(box, left, top, width, height) {\n box.top = top;\n box.left = left;\n box.right = left + width;\n box.bottom = top + height;\n box.width = width;\n box.height = height;\n}\nfunction placeBoxes(boxes, chartArea, params, stacks) {\n const userPadding = params.padding;\n let {x, y} = chartArea;\n for (const layout of boxes) {\n const box = layout.box;\n const stack = stacks[layout.stack] || {count: 1, placed: 0, weight: 1};\n const weight = (layout.stackWeight / stack.weight) || 1;\n if (layout.horizontal) {\n const width = chartArea.w * weight;\n const height = stack.size || box.height;\n if (defined(stack.start)) {\n y = stack.start;\n }\n if (box.fullSize) {\n setBoxDims(box, userPadding.left, y, params.outerWidth - userPadding.right - userPadding.left, height);\n } else {\n setBoxDims(box, chartArea.left + stack.placed, y, width, height);\n }\n stack.start = y;\n stack.placed += width;\n y = box.bottom;\n } else {\n const height = chartArea.h * weight;\n const width = stack.size || box.width;\n if (defined(stack.start)) {\n x = stack.start;\n }\n if (box.fullSize) {\n setBoxDims(box, x, userPadding.top, width, params.outerHeight - userPadding.bottom - userPadding.top);\n } else {\n setBoxDims(box, x, chartArea.top + stack.placed, width, height);\n }\n stack.start = x;\n stack.placed += height;\n x = box.right;\n }\n }\n chartArea.x = x;\n chartArea.y = y;\n}\ndefaults.set('layout', {\n autoPadding: true,\n padding: {\n top: 0,\n right: 0,\n bottom: 0,\n left: 0\n }\n});\nvar layouts = {\n addBox(chart, item) {\n if (!chart.boxes) {\n chart.boxes = [];\n }\n item.fullSize = item.fullSize || false;\n item.position = item.position || 'top';\n item.weight = item.weight || 0;\n item._layers = item._layers || function() {\n return [{\n z: 0,\n draw(chartArea) {\n item.draw(chartArea);\n }\n }];\n };\n chart.boxes.push(item);\n },\n removeBox(chart, layoutItem) {\n const index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1;\n if (index !== -1) {\n chart.boxes.splice(index, 1);\n }\n },\n configure(chart, item, options) {\n item.fullSize = options.fullSize;\n item.position = options.position;\n item.weight = options.weight;\n },\n update(chart, width, height, minPadding) {\n if (!chart) {\n return;\n }\n const padding = toPadding(chart.options.layout.padding);\n const availableWidth = Math.max(width - padding.width, 0);\n const availableHeight = Math.max(height - padding.height, 0);\n const boxes = buildLayoutBoxes(chart.boxes);\n const verticalBoxes = boxes.vertical;\n const horizontalBoxes = boxes.horizontal;\n each(chart.boxes, box => {\n if (typeof box.beforeLayout === 'function') {\n box.beforeLayout();\n }\n });\n const visibleVerticalBoxCount = verticalBoxes.reduce((total, wrap) =>\n wrap.box.options && wrap.box.options.display === false ? total : total + 1, 0) || 1;\n const params = Object.freeze({\n outerWidth: width,\n outerHeight: height,\n padding,\n availableWidth,\n availableHeight,\n vBoxMaxWidth: availableWidth / 2 / visibleVerticalBoxCount,\n hBoxMaxHeight: availableHeight / 2\n });\n const maxPadding = Object.assign({}, padding);\n updateMaxPadding(maxPadding, toPadding(minPadding));\n const chartArea = Object.assign({\n maxPadding,\n w: availableWidth,\n h: availableHeight,\n x: padding.left,\n y: padding.top\n }, padding);\n const stacks = setLayoutDims(verticalBoxes.concat(horizontalBoxes), params);\n fitBoxes(boxes.fullSize, chartArea, params, stacks);\n fitBoxes(verticalBoxes, chartArea, params, stacks);\n if (fitBoxes(horizontalBoxes, chartArea, params, stacks)) {\n fitBoxes(verticalBoxes, chartArea, params, stacks);\n }\n handleMaxPadding(chartArea);\n placeBoxes(boxes.leftAndTop, chartArea, params, stacks);\n chartArea.x += chartArea.w;\n chartArea.y += chartArea.h;\n placeBoxes(boxes.rightAndBottom, chartArea, params, stacks);\n chart.chartArea = {\n left: chartArea.left,\n top: chartArea.top,\n right: chartArea.left + chartArea.w,\n bottom: chartArea.top + chartArea.h,\n height: chartArea.h,\n width: chartArea.w,\n };\n each(boxes.chartArea, (layout) => {\n const box = layout.box;\n Object.assign(box, chart.chartArea);\n box.update(chartArea.w, chartArea.h, {left: 0, top: 0, right: 0, bottom: 0});\n });\n }\n};\n\nclass BasePlatform {\n acquireContext(canvas, aspectRatio) {}\n releaseContext(context) {\n return false;\n }\n addEventListener(chart, type, listener) {}\n removeEventListener(chart, type, listener) {}\n getDevicePixelRatio() {\n return 1;\n }\n getMaximumSize(element, width, height, aspectRatio) {\n width = Math.max(0, width || element.width);\n height = height || element.height;\n return {\n width,\n height: Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height)\n };\n }\n isAttached(canvas) {\n return true;\n }\n updateConfig(config) {\n }\n}\n\nclass BasicPlatform extends BasePlatform {\n acquireContext(item) {\n return item && item.getContext && item.getContext('2d') || null;\n }\n updateConfig(config) {\n config.options.animation = false;\n }\n}\n\nconst EXPANDO_KEY = '$chartjs';\nconst EVENT_TYPES = {\n touchstart: 'mousedown',\n touchmove: 'mousemove',\n touchend: 'mouseup',\n pointerenter: 'mouseenter',\n pointerdown: 'mousedown',\n pointermove: 'mousemove',\n pointerup: 'mouseup',\n pointerleave: 'mouseout',\n pointerout: 'mouseout'\n};\nconst isNullOrEmpty = value => value === null || value === '';\nfunction initCanvas(canvas, aspectRatio) {\n const style = canvas.style;\n const renderHeight = canvas.getAttribute('height');\n const renderWidth = canvas.getAttribute('width');\n canvas[EXPANDO_KEY] = {\n initial: {\n height: renderHeight,\n width: renderWidth,\n style: {\n display: style.display,\n height: style.height,\n width: style.width\n }\n }\n };\n style.display = style.display || 'block';\n style.boxSizing = style.boxSizing || 'border-box';\n if (isNullOrEmpty(renderWidth)) {\n const displayWidth = readUsedSize(canvas, 'width');\n if (displayWidth !== undefined) {\n canvas.width = displayWidth;\n }\n }\n if (isNullOrEmpty(renderHeight)) {\n if (canvas.style.height === '') {\n canvas.height = canvas.width / (aspectRatio || 2);\n } else {\n const displayHeight = readUsedSize(canvas, 'height');\n if (displayHeight !== undefined) {\n canvas.height = displayHeight;\n }\n }\n }\n return canvas;\n}\nconst eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false;\nfunction addListener(node, type, listener) {\n node.addEventListener(type, listener, eventListenerOptions);\n}\nfunction removeListener(chart, type, listener) {\n chart.canvas.removeEventListener(type, listener, eventListenerOptions);\n}\nfunction fromNativeEvent(event, chart) {\n const type = EVENT_TYPES[event.type] || event.type;\n const {x, y} = getRelativePosition(event, chart);\n return {\n type,\n chart,\n native: event,\n x: x !== undefined ? x : null,\n y: y !== undefined ? y : null,\n };\n}\nfunction nodeListContains(nodeList, canvas) {\n for (const node of nodeList) {\n if (node === canvas || node.contains(canvas)) {\n return true;\n }\n }\n}\nfunction createAttachObserver(chart, type, listener) {\n const canvas = chart.canvas;\n const observer = new MutationObserver(entries => {\n let trigger = false;\n for (const entry of entries) {\n trigger = trigger || nodeListContains(entry.addedNodes, canvas);\n trigger = trigger && !nodeListContains(entry.removedNodes, canvas);\n }\n if (trigger) {\n listener();\n }\n });\n observer.observe(document, {childList: true, subtree: true});\n return observer;\n}\nfunction createDetachObserver(chart, type, listener) {\n const canvas = chart.canvas;\n const observer = new MutationObserver(entries => {\n let trigger = false;\n for (const entry of entries) {\n trigger = trigger || nodeListContains(entry.removedNodes, canvas);\n trigger = trigger && !nodeListContains(entry.addedNodes, canvas);\n }\n if (trigger) {\n listener();\n }\n });\n observer.observe(document, {childList: true, subtree: true});\n return observer;\n}\nconst drpListeningCharts = new Map();\nlet oldDevicePixelRatio = 0;\nfunction onWindowResize() {\n const dpr = window.devicePixelRatio;\n if (dpr === oldDevicePixelRatio) {\n return;\n }\n oldDevicePixelRatio = dpr;\n drpListeningCharts.forEach((resize, chart) => {\n if (chart.currentDevicePixelRatio !== dpr) {\n resize();\n }\n });\n}\nfunction listenDevicePixelRatioChanges(chart, resize) {\n if (!drpListeningCharts.size) {\n window.addEventListener('resize', onWindowResize);\n }\n drpListeningCharts.set(chart, resize);\n}\nfunction unlistenDevicePixelRatioChanges(chart) {\n drpListeningCharts.delete(chart);\n if (!drpListeningCharts.size) {\n window.removeEventListener('resize', onWindowResize);\n }\n}\nfunction createResizeObserver(chart, type, listener) {\n const canvas = chart.canvas;\n const container = canvas && _getParentNode(canvas);\n if (!container) {\n return;\n }\n const resize = throttled((width, height) => {\n const w = container.clientWidth;\n listener(width, height);\n if (w < container.clientWidth) {\n listener();\n }\n }, window);\n const observer = new ResizeObserver(entries => {\n const entry = entries[0];\n const width = entry.contentRect.width;\n const height = entry.contentRect.height;\n if (width === 0 && height === 0) {\n return;\n }\n resize(width, height);\n });\n observer.observe(container);\n listenDevicePixelRatioChanges(chart, resize);\n return observer;\n}\nfunction releaseObserver(chart, type, observer) {\n if (observer) {\n observer.disconnect();\n }\n if (type === 'resize') {\n unlistenDevicePixelRatioChanges(chart);\n }\n}\nfunction createProxyAndListen(chart, type, listener) {\n const canvas = chart.canvas;\n const proxy = throttled((event) => {\n if (chart.ctx !== null) {\n listener(fromNativeEvent(event, chart));\n }\n }, chart, (args) => {\n const event = args[0];\n return [event, event.offsetX, event.offsetY];\n });\n addListener(canvas, type, proxy);\n return proxy;\n}\nclass DomPlatform extends BasePlatform {\n acquireContext(canvas, aspectRatio) {\n const context = canvas && canvas.getContext && canvas.getContext('2d');\n if (context && context.canvas === canvas) {\n initCanvas(canvas, aspectRatio);\n return context;\n }\n return null;\n }\n releaseContext(context) {\n const canvas = context.canvas;\n if (!canvas[EXPANDO_KEY]) {\n return false;\n }\n const initial = canvas[EXPANDO_KEY].initial;\n ['height', 'width'].forEach((prop) => {\n const value = initial[prop];\n if (isNullOrUndef(value)) {\n canvas.removeAttribute(prop);\n } else {\n canvas.setAttribute(prop, value);\n }\n });\n const style = initial.style || {};\n Object.keys(style).forEach((key) => {\n canvas.style[key] = style[key];\n });\n canvas.width = canvas.width;\n delete canvas[EXPANDO_KEY];\n return true;\n }\n addEventListener(chart, type, listener) {\n this.removeEventListener(chart, type);\n const proxies = chart.$proxies || (chart.$proxies = {});\n const handlers = {\n attach: createAttachObserver,\n detach: createDetachObserver,\n resize: createResizeObserver\n };\n const handler = handlers[type] || createProxyAndListen;\n proxies[type] = handler(chart, type, listener);\n }\n removeEventListener(chart, type) {\n const proxies = chart.$proxies || (chart.$proxies = {});\n const proxy = proxies[type];\n if (!proxy) {\n return;\n }\n const handlers = {\n attach: releaseObserver,\n detach: releaseObserver,\n resize: releaseObserver\n };\n const handler = handlers[type] || removeListener;\n handler(chart, type, proxy);\n proxies[type] = undefined;\n }\n getDevicePixelRatio() {\n return window.devicePixelRatio;\n }\n getMaximumSize(canvas, width, height, aspectRatio) {\n return getMaximumSize(canvas, width, height, aspectRatio);\n }\n isAttached(canvas) {\n const container = _getParentNode(canvas);\n return !!(container && container.isConnected);\n }\n}\n\nfunction _detectPlatform(canvas) {\n if (!_isDomSupported() || (typeof OffscreenCanvas !== 'undefined' && canvas instanceof OffscreenCanvas)) {\n return BasicPlatform;\n }\n return DomPlatform;\n}\n\nclass PluginService {\n constructor() {\n this._init = [];\n }\n notify(chart, hook, args, filter) {\n if (hook === 'beforeInit') {\n this._init = this._createDescriptors(chart, true);\n this._notify(this._init, chart, 'install');\n }\n const descriptors = filter ? this._descriptors(chart).filter(filter) : this._descriptors(chart);\n const result = this._notify(descriptors, chart, hook, args);\n if (hook === 'afterDestroy') {\n this._notify(descriptors, chart, 'stop');\n this._notify(this._init, chart, 'uninstall');\n }\n return result;\n }\n _notify(descriptors, chart, hook, args) {\n args = args || {};\n for (const descriptor of descriptors) {\n const plugin = descriptor.plugin;\n const method = plugin[hook];\n const params = [chart, args, descriptor.options];\n if (callback(method, params, plugin) === false && args.cancelable) {\n return false;\n }\n }\n return true;\n }\n invalidate() {\n if (!isNullOrUndef(this._cache)) {\n this._oldCache = this._cache;\n this._cache = undefined;\n }\n }\n _descriptors(chart) {\n if (this._cache) {\n return this._cache;\n }\n const descriptors = this._cache = this._createDescriptors(chart);\n this._notifyStateChanges(chart);\n return descriptors;\n }\n _createDescriptors(chart, all) {\n const config = chart && chart.config;\n const options = valueOrDefault(config.options && config.options.plugins, {});\n const plugins = allPlugins(config);\n return options === false && !all ? [] : createDescriptors(chart, plugins, options, all);\n }\n _notifyStateChanges(chart) {\n const previousDescriptors = this._oldCache || [];\n const descriptors = this._cache;\n const diff = (a, b) => a.filter(x => !b.some(y => x.plugin.id === y.plugin.id));\n this._notify(diff(previousDescriptors, descriptors), chart, 'stop');\n this._notify(diff(descriptors, previousDescriptors), chart, 'start');\n }\n}\nfunction allPlugins(config) {\n const localIds = {};\n const plugins = [];\n const keys = Object.keys(registry.plugins.items);\n for (let i = 0; i < keys.length; i++) {\n plugins.push(registry.getPlugin(keys[i]));\n }\n const local = config.plugins || [];\n for (let i = 0; i < local.length; i++) {\n const plugin = local[i];\n if (plugins.indexOf(plugin) === -1) {\n plugins.push(plugin);\n localIds[plugin.id] = true;\n }\n }\n return {plugins, localIds};\n}\nfunction getOpts(options, all) {\n if (!all && options === false) {\n return null;\n }\n if (options === true) {\n return {};\n }\n return options;\n}\nfunction createDescriptors(chart, {plugins, localIds}, options, all) {\n const result = [];\n const context = chart.getContext();\n for (const plugin of plugins) {\n const id = plugin.id;\n const opts = getOpts(options[id], all);\n if (opts === null) {\n continue;\n }\n result.push({\n plugin,\n options: pluginOpts(chart.config, {plugin, local: localIds[id]}, opts, context)\n });\n }\n return result;\n}\nfunction pluginOpts(config, {plugin, local}, opts, context) {\n const keys = config.pluginScopeKeys(plugin);\n const scopes = config.getOptionScopes(opts, keys);\n if (local && plugin.defaults) {\n scopes.push(plugin.defaults);\n }\n return config.createResolver(scopes, context, [''], {\n scriptable: false,\n indexable: false,\n allKeys: true\n });\n}\n\nfunction getIndexAxis(type, options) {\n const datasetDefaults = defaults.datasets[type] || {};\n const datasetOptions = (options.datasets || {})[type] || {};\n return datasetOptions.indexAxis || options.indexAxis || datasetDefaults.indexAxis || 'x';\n}\nfunction getAxisFromDefaultScaleID(id, indexAxis) {\n let axis = id;\n if (id === '_index_') {\n axis = indexAxis;\n } else if (id === '_value_') {\n axis = indexAxis === 'x' ? 'y' : 'x';\n }\n return axis;\n}\nfunction getDefaultScaleIDFromAxis(axis, indexAxis) {\n return axis === indexAxis ? '_index_' : '_value_';\n}\nfunction axisFromPosition(position) {\n if (position === 'top' || position === 'bottom') {\n return 'x';\n }\n if (position === 'left' || position === 'right') {\n return 'y';\n }\n}\nfunction determineAxis(id, scaleOptions) {\n if (id === 'x' || id === 'y') {\n return id;\n }\n return scaleOptions.axis || axisFromPosition(scaleOptions.position) || id.charAt(0).toLowerCase();\n}\nfunction mergeScaleConfig(config, options) {\n const chartDefaults = overrides[config.type] || {scales: {}};\n const configScales = options.scales || {};\n const chartIndexAxis = getIndexAxis(config.type, options);\n const firstIDs = Object.create(null);\n const scales = Object.create(null);\n Object.keys(configScales).forEach(id => {\n const scaleConf = configScales[id];\n if (!isObject(scaleConf)) {\n return console.error(`Invalid scale configuration for scale: ${id}`);\n }\n if (scaleConf._proxy) {\n return console.warn(`Ignoring resolver passed as options for scale: ${id}`);\n }\n const axis = determineAxis(id, scaleConf);\n const defaultId = getDefaultScaleIDFromAxis(axis, chartIndexAxis);\n const defaultScaleOptions = chartDefaults.scales || {};\n firstIDs[axis] = firstIDs[axis] || id;\n scales[id] = mergeIf(Object.create(null), [{axis}, scaleConf, defaultScaleOptions[axis], defaultScaleOptions[defaultId]]);\n });\n config.data.datasets.forEach(dataset => {\n const type = dataset.type || config.type;\n const indexAxis = dataset.indexAxis || getIndexAxis(type, options);\n const datasetDefaults = overrides[type] || {};\n const defaultScaleOptions = datasetDefaults.scales || {};\n Object.keys(defaultScaleOptions).forEach(defaultID => {\n const axis = getAxisFromDefaultScaleID(defaultID, indexAxis);\n const id = dataset[axis + 'AxisID'] || firstIDs[axis] || axis;\n scales[id] = scales[id] || Object.create(null);\n mergeIf(scales[id], [{axis}, configScales[id], defaultScaleOptions[defaultID]]);\n });\n });\n Object.keys(scales).forEach(key => {\n const scale = scales[key];\n mergeIf(scale, [defaults.scales[scale.type], defaults.scale]);\n });\n return scales;\n}\nfunction initOptions(config) {\n const options = config.options || (config.options = {});\n options.plugins = valueOrDefault(options.plugins, {});\n options.scales = mergeScaleConfig(config, options);\n}\nfunction initData(data) {\n data = data || {};\n data.datasets = data.datasets || [];\n data.labels = data.labels || [];\n return data;\n}\nfunction initConfig(config) {\n config = config || {};\n config.data = initData(config.data);\n initOptions(config);\n return config;\n}\nconst keyCache = new Map();\nconst keysCached = new Set();\nfunction cachedKeys(cacheKey, generate) {\n let keys = keyCache.get(cacheKey);\n if (!keys) {\n keys = generate();\n keyCache.set(cacheKey, keys);\n keysCached.add(keys);\n }\n return keys;\n}\nconst addIfFound = (set, obj, key) => {\n const opts = resolveObjectKey(obj, key);\n if (opts !== undefined) {\n set.add(opts);\n }\n};\nclass Config {\n constructor(config) {\n this._config = initConfig(config);\n this._scopeCache = new Map();\n this._resolverCache = new Map();\n }\n get platform() {\n return this._config.platform;\n }\n get type() {\n return this._config.type;\n }\n set type(type) {\n this._config.type = type;\n }\n get data() {\n return this._config.data;\n }\n set data(data) {\n this._config.data = initData(data);\n }\n get options() {\n return this._config.options;\n }\n set options(options) {\n this._config.options = options;\n }\n get plugins() {\n return this._config.plugins;\n }\n update() {\n const config = this._config;\n this.clearCache();\n initOptions(config);\n }\n clearCache() {\n this._scopeCache.clear();\n this._resolverCache.clear();\n }\n datasetScopeKeys(datasetType) {\n return cachedKeys(datasetType,\n () => [[\n `datasets.${datasetType}`,\n ''\n ]]);\n }\n datasetAnimationScopeKeys(datasetType, transition) {\n return cachedKeys(`${datasetType}.transition.${transition}`,\n () => [\n [\n `datasets.${datasetType}.transitions.${transition}`,\n `transitions.${transition}`,\n ],\n [\n `datasets.${datasetType}`,\n ''\n ]\n ]);\n }\n datasetElementScopeKeys(datasetType, elementType) {\n return cachedKeys(`${datasetType}-${elementType}`,\n () => [[\n `datasets.${datasetType}.elements.${elementType}`,\n `datasets.${datasetType}`,\n `elements.${elementType}`,\n ''\n ]]);\n }\n pluginScopeKeys(plugin) {\n const id = plugin.id;\n const type = this.type;\n return cachedKeys(`${type}-plugin-${id}`,\n () => [[\n `plugins.${id}`,\n ...plugin.additionalOptionScopes || [],\n ]]);\n }\n _cachedScopes(mainScope, resetCache) {\n const _scopeCache = this._scopeCache;\n let cache = _scopeCache.get(mainScope);\n if (!cache || resetCache) {\n cache = new Map();\n _scopeCache.set(mainScope, cache);\n }\n return cache;\n }\n getOptionScopes(mainScope, keyLists, resetCache) {\n const {options, type} = this;\n const cache = this._cachedScopes(mainScope, resetCache);\n const cached = cache.get(keyLists);\n if (cached) {\n return cached;\n }\n const scopes = new Set();\n keyLists.forEach(keys => {\n if (mainScope) {\n scopes.add(mainScope);\n keys.forEach(key => addIfFound(scopes, mainScope, key));\n }\n keys.forEach(key => addIfFound(scopes, options, key));\n keys.forEach(key => addIfFound(scopes, overrides[type] || {}, key));\n keys.forEach(key => addIfFound(scopes, defaults, key));\n keys.forEach(key => addIfFound(scopes, descriptors, key));\n });\n const array = Array.from(scopes);\n if (array.length === 0) {\n array.push(Object.create(null));\n }\n if (keysCached.has(keyLists)) {\n cache.set(keyLists, array);\n }\n return array;\n }\n chartOptionScopes() {\n const {options, type} = this;\n return [\n options,\n overrides[type] || {},\n defaults.datasets[type] || {},\n {type},\n defaults,\n descriptors\n ];\n }\n resolveNamedOptions(scopes, names, context, prefixes = ['']) {\n const result = {$shared: true};\n const {resolver, subPrefixes} = getResolver(this._resolverCache, scopes, prefixes);\n let options = resolver;\n if (needContext(resolver, names)) {\n result.$shared = false;\n context = isFunction(context) ? context() : context;\n const subResolver = this.createResolver(scopes, context, subPrefixes);\n options = _attachContext(resolver, context, subResolver);\n }\n for (const prop of names) {\n result[prop] = options[prop];\n }\n return result;\n }\n createResolver(scopes, context, prefixes = [''], descriptorDefaults) {\n const {resolver} = getResolver(this._resolverCache, scopes, prefixes);\n return isObject(context)\n ? _attachContext(resolver, context, undefined, descriptorDefaults)\n : resolver;\n }\n}\nfunction getResolver(resolverCache, scopes, prefixes) {\n let cache = resolverCache.get(scopes);\n if (!cache) {\n cache = new Map();\n resolverCache.set(scopes, cache);\n }\n const cacheKey = prefixes.join();\n let cached = cache.get(cacheKey);\n if (!cached) {\n const resolver = _createResolver(scopes, prefixes);\n cached = {\n resolver,\n subPrefixes: prefixes.filter(p => !p.toLowerCase().includes('hover'))\n };\n cache.set(cacheKey, cached);\n }\n return cached;\n}\nconst hasFunction = value => isObject(value)\n && Object.getOwnPropertyNames(value).reduce((acc, key) => acc || isFunction(value[key]), false);\nfunction needContext(proxy, names) {\n const {isScriptable, isIndexable} = _descriptors(proxy);\n for (const prop of names) {\n const scriptable = isScriptable(prop);\n const indexable = isIndexable(prop);\n const value = (indexable || scriptable) && proxy[prop];\n if ((scriptable && (isFunction(value) || hasFunction(value)))\n || (indexable && isArray(value))) {\n return true;\n }\n }\n return false;\n}\n\nvar version = \"3.9.1\";\n\nconst KNOWN_POSITIONS = ['top', 'bottom', 'left', 'right', 'chartArea'];\nfunction positionIsHorizontal(position, axis) {\n return position === 'top' || position === 'bottom' || (KNOWN_POSITIONS.indexOf(position) === -1 && axis === 'x');\n}\nfunction compare2Level(l1, l2) {\n return function(a, b) {\n return a[l1] === b[l1]\n ? a[l2] - b[l2]\n : a[l1] - b[l1];\n };\n}\nfunction onAnimationsComplete(context) {\n const chart = context.chart;\n const animationOptions = chart.options.animation;\n chart.notifyPlugins('afterRender');\n callback(animationOptions && animationOptions.onComplete, [context], chart);\n}\nfunction onAnimationProgress(context) {\n const chart = context.chart;\n const animationOptions = chart.options.animation;\n callback(animationOptions && animationOptions.onProgress, [context], chart);\n}\nfunction getCanvas(item) {\n if (_isDomSupported() && typeof item === 'string') {\n item = document.getElementById(item);\n } else if (item && item.length) {\n item = item[0];\n }\n if (item && item.canvas) {\n item = item.canvas;\n }\n return item;\n}\nconst instances = {};\nconst getChart = (key) => {\n const canvas = getCanvas(key);\n return Object.values(instances).filter((c) => c.canvas === canvas).pop();\n};\nfunction moveNumericKeys(obj, start, move) {\n const keys = Object.keys(obj);\n for (const key of keys) {\n const intKey = +key;\n if (intKey >= start) {\n const value = obj[key];\n delete obj[key];\n if (move > 0 || intKey > start) {\n obj[intKey + move] = value;\n }\n }\n }\n}\nfunction determineLastEvent(e, lastEvent, inChartArea, isClick) {\n if (!inChartArea || e.type === 'mouseout') {\n return null;\n }\n if (isClick) {\n return lastEvent;\n }\n return e;\n}\nclass Chart {\n constructor(item, userConfig) {\n const config = this.config = new Config(userConfig);\n const initialCanvas = getCanvas(item);\n const existingChart = getChart(initialCanvas);\n if (existingChart) {\n throw new Error(\n 'Canvas is already in use. Chart with ID \\'' + existingChart.id + '\\'' +\n\t\t\t\t' must be destroyed before the canvas with ID \\'' + existingChart.canvas.id + '\\' can be reused.'\n );\n }\n const options = config.createResolver(config.chartOptionScopes(), this.getContext());\n this.platform = new (config.platform || _detectPlatform(initialCanvas))();\n this.platform.updateConfig(config);\n const context = this.platform.acquireContext(initialCanvas, options.aspectRatio);\n const canvas = context && context.canvas;\n const height = canvas && canvas.height;\n const width = canvas && canvas.width;\n this.id = uid();\n this.ctx = context;\n this.canvas = canvas;\n this.width = width;\n this.height = height;\n this._options = options;\n this._aspectRatio = this.aspectRatio;\n this._layers = [];\n this._metasets = [];\n this._stacks = undefined;\n this.boxes = [];\n this.currentDevicePixelRatio = undefined;\n this.chartArea = undefined;\n this._active = [];\n this._lastEvent = undefined;\n this._listeners = {};\n this._responsiveListeners = undefined;\n this._sortedMetasets = [];\n this.scales = {};\n this._plugins = new PluginService();\n this.$proxies = {};\n this._hiddenIndices = {};\n this.attached = false;\n this._animationsDisabled = undefined;\n this.$context = undefined;\n this._doResize = debounce(mode => this.update(mode), options.resizeDelay || 0);\n this._dataChanges = [];\n instances[this.id] = this;\n if (!context || !canvas) {\n console.error(\"Failed to create chart: can't acquire context from the given item\");\n return;\n }\n animator.listen(this, 'complete', onAnimationsComplete);\n animator.listen(this, 'progress', onAnimationProgress);\n this._initialize();\n if (this.attached) {\n this.update();\n }\n }\n get aspectRatio() {\n const {options: {aspectRatio, maintainAspectRatio}, width, height, _aspectRatio} = this;\n if (!isNullOrUndef(aspectRatio)) {\n return aspectRatio;\n }\n if (maintainAspectRatio && _aspectRatio) {\n return _aspectRatio;\n }\n return height ? width / height : null;\n }\n get data() {\n return this.config.data;\n }\n set data(data) {\n this.config.data = data;\n }\n get options() {\n return this._options;\n }\n set options(options) {\n this.config.options = options;\n }\n _initialize() {\n this.notifyPlugins('beforeInit');\n if (this.options.responsive) {\n this.resize();\n } else {\n retinaScale(this, this.options.devicePixelRatio);\n }\n this.bindEvents();\n this.notifyPlugins('afterInit');\n return this;\n }\n clear() {\n clearCanvas(this.canvas, this.ctx);\n return this;\n }\n stop() {\n animator.stop(this);\n return this;\n }\n resize(width, height) {\n if (!animator.running(this)) {\n this._resize(width, height);\n } else {\n this._resizeBeforeDraw = {width, height};\n }\n }\n _resize(width, height) {\n const options = this.options;\n const canvas = this.canvas;\n const aspectRatio = options.maintainAspectRatio && this.aspectRatio;\n const newSize = this.platform.getMaximumSize(canvas, width, height, aspectRatio);\n const newRatio = options.devicePixelRatio || this.platform.getDevicePixelRatio();\n const mode = this.width ? 'resize' : 'attach';\n this.width = newSize.width;\n this.height = newSize.height;\n this._aspectRatio = this.aspectRatio;\n if (!retinaScale(this, newRatio, true)) {\n return;\n }\n this.notifyPlugins('resize', {size: newSize});\n callback(options.onResize, [this, newSize], this);\n if (this.attached) {\n if (this._doResize(mode)) {\n this.render();\n }\n }\n }\n ensureScalesHaveIDs() {\n const options = this.options;\n const scalesOptions = options.scales || {};\n each(scalesOptions, (axisOptions, axisID) => {\n axisOptions.id = axisID;\n });\n }\n buildOrUpdateScales() {\n const options = this.options;\n const scaleOpts = options.scales;\n const scales = this.scales;\n const updated = Object.keys(scales).reduce((obj, id) => {\n obj[id] = false;\n return obj;\n }, {});\n let items = [];\n if (scaleOpts) {\n items = items.concat(\n Object.keys(scaleOpts).map((id) => {\n const scaleOptions = scaleOpts[id];\n const axis = determineAxis(id, scaleOptions);\n const isRadial = axis === 'r';\n const isHorizontal = axis === 'x';\n return {\n options: scaleOptions,\n dposition: isRadial ? 'chartArea' : isHorizontal ? 'bottom' : 'left',\n dtype: isRadial ? 'radialLinear' : isHorizontal ? 'category' : 'linear'\n };\n })\n );\n }\n each(items, (item) => {\n const scaleOptions = item.options;\n const id = scaleOptions.id;\n const axis = determineAxis(id, scaleOptions);\n const scaleType = valueOrDefault(scaleOptions.type, item.dtype);\n if (scaleOptions.position === undefined || positionIsHorizontal(scaleOptions.position, axis) !== positionIsHorizontal(item.dposition)) {\n scaleOptions.position = item.dposition;\n }\n updated[id] = true;\n let scale = null;\n if (id in scales && scales[id].type === scaleType) {\n scale = scales[id];\n } else {\n const scaleClass = registry.getScale(scaleType);\n scale = new scaleClass({\n id,\n type: scaleType,\n ctx: this.ctx,\n chart: this\n });\n scales[scale.id] = scale;\n }\n scale.init(scaleOptions, options);\n });\n each(updated, (hasUpdated, id) => {\n if (!hasUpdated) {\n delete scales[id];\n }\n });\n each(scales, (scale) => {\n layouts.configure(this, scale, scale.options);\n layouts.addBox(this, scale);\n });\n }\n _updateMetasets() {\n const metasets = this._metasets;\n const numData = this.data.datasets.length;\n const numMeta = metasets.length;\n metasets.sort((a, b) => a.index - b.index);\n if (numMeta > numData) {\n for (let i = numData; i < numMeta; ++i) {\n this._destroyDatasetMeta(i);\n }\n metasets.splice(numData, numMeta - numData);\n }\n this._sortedMetasets = metasets.slice(0).sort(compare2Level('order', 'index'));\n }\n _removeUnreferencedMetasets() {\n const {_metasets: metasets, data: {datasets}} = this;\n if (metasets.length > datasets.length) {\n delete this._stacks;\n }\n metasets.forEach((meta, index) => {\n if (datasets.filter(x => x === meta._dataset).length === 0) {\n this._destroyDatasetMeta(index);\n }\n });\n }\n buildOrUpdateControllers() {\n const newControllers = [];\n const datasets = this.data.datasets;\n let i, ilen;\n this._removeUnreferencedMetasets();\n for (i = 0, ilen = datasets.length; i < ilen; i++) {\n const dataset = datasets[i];\n let meta = this.getDatasetMeta(i);\n const type = dataset.type || this.config.type;\n if (meta.type && meta.type !== type) {\n this._destroyDatasetMeta(i);\n meta = this.getDatasetMeta(i);\n }\n meta.type = type;\n meta.indexAxis = dataset.indexAxis || getIndexAxis(type, this.options);\n meta.order = dataset.order || 0;\n meta.index = i;\n meta.label = '' + dataset.label;\n meta.visible = this.isDatasetVisible(i);\n if (meta.controller) {\n meta.controller.updateIndex(i);\n meta.controller.linkScales();\n } else {\n const ControllerClass = registry.getController(type);\n const {datasetElementType, dataElementType} = defaults.datasets[type];\n Object.assign(ControllerClass.prototype, {\n dataElementType: registry.getElement(dataElementType),\n datasetElementType: datasetElementType && registry.getElement(datasetElementType)\n });\n meta.controller = new ControllerClass(this, i);\n newControllers.push(meta.controller);\n }\n }\n this._updateMetasets();\n return newControllers;\n }\n _resetElements() {\n each(this.data.datasets, (dataset, datasetIndex) => {\n this.getDatasetMeta(datasetIndex).controller.reset();\n }, this);\n }\n reset() {\n this._resetElements();\n this.notifyPlugins('reset');\n }\n update(mode) {\n const config = this.config;\n config.update();\n const options = this._options = config.createResolver(config.chartOptionScopes(), this.getContext());\n const animsDisabled = this._animationsDisabled = !options.animation;\n this._updateScales();\n this._checkEventBindings();\n this._updateHiddenIndices();\n this._plugins.invalidate();\n if (this.notifyPlugins('beforeUpdate', {mode, cancelable: true}) === false) {\n return;\n }\n const newControllers = this.buildOrUpdateControllers();\n this.notifyPlugins('beforeElementsUpdate');\n let minPadding = 0;\n for (let i = 0, ilen = this.data.datasets.length; i < ilen; i++) {\n const {controller} = this.getDatasetMeta(i);\n const reset = !animsDisabled && newControllers.indexOf(controller) === -1;\n controller.buildOrUpdateElements(reset);\n minPadding = Math.max(+controller.getMaxOverflow(), minPadding);\n }\n minPadding = this._minPadding = options.layout.autoPadding ? minPadding : 0;\n this._updateLayout(minPadding);\n if (!animsDisabled) {\n each(newControllers, (controller) => {\n controller.reset();\n });\n }\n this._updateDatasets(mode);\n this.notifyPlugins('afterUpdate', {mode});\n this._layers.sort(compare2Level('z', '_idx'));\n const {_active, _lastEvent} = this;\n if (_lastEvent) {\n this._eventHandler(_lastEvent, true);\n } else if (_active.length) {\n this._updateHoverStyles(_active, _active, true);\n }\n this.render();\n }\n _updateScales() {\n each(this.scales, (scale) => {\n layouts.removeBox(this, scale);\n });\n this.ensureScalesHaveIDs();\n this.buildOrUpdateScales();\n }\n _checkEventBindings() {\n const options = this.options;\n const existingEvents = new Set(Object.keys(this._listeners));\n const newEvents = new Set(options.events);\n if (!setsEqual(existingEvents, newEvents) || !!this._responsiveListeners !== options.responsive) {\n this.unbindEvents();\n this.bindEvents();\n }\n }\n _updateHiddenIndices() {\n const {_hiddenIndices} = this;\n const changes = this._getUniformDataChanges() || [];\n for (const {method, start, count} of changes) {\n const move = method === '_removeElements' ? -count : count;\n moveNumericKeys(_hiddenIndices, start, move);\n }\n }\n _getUniformDataChanges() {\n const _dataChanges = this._dataChanges;\n if (!_dataChanges || !_dataChanges.length) {\n return;\n }\n this._dataChanges = [];\n const datasetCount = this.data.datasets.length;\n const makeSet = (idx) => new Set(\n _dataChanges\n .filter(c => c[0] === idx)\n .map((c, i) => i + ',' + c.splice(1).join(','))\n );\n const changeSet = makeSet(0);\n for (let i = 1; i < datasetCount; i++) {\n if (!setsEqual(changeSet, makeSet(i))) {\n return;\n }\n }\n return Array.from(changeSet)\n .map(c => c.split(','))\n .map(a => ({method: a[1], start: +a[2], count: +a[3]}));\n }\n _updateLayout(minPadding) {\n if (this.notifyPlugins('beforeLayout', {cancelable: true}) === false) {\n return;\n }\n layouts.update(this, this.width, this.height, minPadding);\n const area = this.chartArea;\n const noArea = area.width <= 0 || area.height <= 0;\n this._layers = [];\n each(this.boxes, (box) => {\n if (noArea && box.position === 'chartArea') {\n return;\n }\n if (box.configure) {\n box.configure();\n }\n this._layers.push(...box._layers());\n }, this);\n this._layers.forEach((item, index) => {\n item._idx = index;\n });\n this.notifyPlugins('afterLayout');\n }\n _updateDatasets(mode) {\n if (this.notifyPlugins('beforeDatasetsUpdate', {mode, cancelable: true}) === false) {\n return;\n }\n for (let i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {\n this.getDatasetMeta(i).controller.configure();\n }\n for (let i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {\n this._updateDataset(i, isFunction(mode) ? mode({datasetIndex: i}) : mode);\n }\n this.notifyPlugins('afterDatasetsUpdate', {mode});\n }\n _updateDataset(index, mode) {\n const meta = this.getDatasetMeta(index);\n const args = {meta, index, mode, cancelable: true};\n if (this.notifyPlugins('beforeDatasetUpdate', args) === false) {\n return;\n }\n meta.controller._update(mode);\n args.cancelable = false;\n this.notifyPlugins('afterDatasetUpdate', args);\n }\n render() {\n if (this.notifyPlugins('beforeRender', {cancelable: true}) === false) {\n return;\n }\n if (animator.has(this)) {\n if (this.attached && !animator.running(this)) {\n animator.start(this);\n }\n } else {\n this.draw();\n onAnimationsComplete({chart: this});\n }\n }\n draw() {\n let i;\n if (this._resizeBeforeDraw) {\n const {width, height} = this._resizeBeforeDraw;\n this._resize(width, height);\n this._resizeBeforeDraw = null;\n }\n this.clear();\n if (this.width <= 0 || this.height <= 0) {\n return;\n }\n if (this.notifyPlugins('beforeDraw', {cancelable: true}) === false) {\n return;\n }\n const layers = this._layers;\n for (i = 0; i < layers.length && layers[i].z <= 0; ++i) {\n layers[i].draw(this.chartArea);\n }\n this._drawDatasets();\n for (; i < layers.length; ++i) {\n layers[i].draw(this.chartArea);\n }\n this.notifyPlugins('afterDraw');\n }\n _getSortedDatasetMetas(filterVisible) {\n const metasets = this._sortedMetasets;\n const result = [];\n let i, ilen;\n for (i = 0, ilen = metasets.length; i < ilen; ++i) {\n const meta = metasets[i];\n if (!filterVisible || meta.visible) {\n result.push(meta);\n }\n }\n return result;\n }\n getSortedVisibleDatasetMetas() {\n return this._getSortedDatasetMetas(true);\n }\n _drawDatasets() {\n if (this.notifyPlugins('beforeDatasetsDraw', {cancelable: true}) === false) {\n return;\n }\n const metasets = this.getSortedVisibleDatasetMetas();\n for (let i = metasets.length - 1; i >= 0; --i) {\n this._drawDataset(metasets[i]);\n }\n this.notifyPlugins('afterDatasetsDraw');\n }\n _drawDataset(meta) {\n const ctx = this.ctx;\n const clip = meta._clip;\n const useClip = !clip.disabled;\n const area = this.chartArea;\n const args = {\n meta,\n index: meta.index,\n cancelable: true\n };\n if (this.notifyPlugins('beforeDatasetDraw', args) === false) {\n return;\n }\n if (useClip) {\n clipArea(ctx, {\n left: clip.left === false ? 0 : area.left - clip.left,\n right: clip.right === false ? this.width : area.right + clip.right,\n top: clip.top === false ? 0 : area.top - clip.top,\n bottom: clip.bottom === false ? this.height : area.bottom + clip.bottom\n });\n }\n meta.controller.draw();\n if (useClip) {\n unclipArea(ctx);\n }\n args.cancelable = false;\n this.notifyPlugins('afterDatasetDraw', args);\n }\n isPointInArea(point) {\n return _isPointInArea(point, this.chartArea, this._minPadding);\n }\n getElementsAtEventForMode(e, mode, options, useFinalPosition) {\n const method = Interaction.modes[mode];\n if (typeof method === 'function') {\n return method(this, e, options, useFinalPosition);\n }\n return [];\n }\n getDatasetMeta(datasetIndex) {\n const dataset = this.data.datasets[datasetIndex];\n const metasets = this._metasets;\n let meta = metasets.filter(x => x && x._dataset === dataset).pop();\n if (!meta) {\n meta = {\n type: null,\n data: [],\n dataset: null,\n controller: null,\n hidden: null,\n xAxisID: null,\n yAxisID: null,\n order: dataset && dataset.order || 0,\n index: datasetIndex,\n _dataset: dataset,\n _parsed: [],\n _sorted: false\n };\n metasets.push(meta);\n }\n return meta;\n }\n getContext() {\n return this.$context || (this.$context = createContext(null, {chart: this, type: 'chart'}));\n }\n getVisibleDatasetCount() {\n return this.getSortedVisibleDatasetMetas().length;\n }\n isDatasetVisible(datasetIndex) {\n const dataset = this.data.datasets[datasetIndex];\n if (!dataset) {\n return false;\n }\n const meta = this.getDatasetMeta(datasetIndex);\n return typeof meta.hidden === 'boolean' ? !meta.hidden : !dataset.hidden;\n }\n setDatasetVisibility(datasetIndex, visible) {\n const meta = this.getDatasetMeta(datasetIndex);\n meta.hidden = !visible;\n }\n toggleDataVisibility(index) {\n this._hiddenIndices[index] = !this._hiddenIndices[index];\n }\n getDataVisibility(index) {\n return !this._hiddenIndices[index];\n }\n _updateVisibility(datasetIndex, dataIndex, visible) {\n const mode = visible ? 'show' : 'hide';\n const meta = this.getDatasetMeta(datasetIndex);\n const anims = meta.controller._resolveAnimations(undefined, mode);\n if (defined(dataIndex)) {\n meta.data[dataIndex].hidden = !visible;\n this.update();\n } else {\n this.setDatasetVisibility(datasetIndex, visible);\n anims.update(meta, {visible});\n this.update((ctx) => ctx.datasetIndex === datasetIndex ? mode : undefined);\n }\n }\n hide(datasetIndex, dataIndex) {\n this._updateVisibility(datasetIndex, dataIndex, false);\n }\n show(datasetIndex, dataIndex) {\n this._updateVisibility(datasetIndex, dataIndex, true);\n }\n _destroyDatasetMeta(datasetIndex) {\n const meta = this._metasets[datasetIndex];\n if (meta && meta.controller) {\n meta.controller._destroy();\n }\n delete this._metasets[datasetIndex];\n }\n _stop() {\n let i, ilen;\n this.stop();\n animator.remove(this);\n for (i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {\n this._destroyDatasetMeta(i);\n }\n }\n destroy() {\n this.notifyPlugins('beforeDestroy');\n const {canvas, ctx} = this;\n this._stop();\n this.config.clearCache();\n if (canvas) {\n this.unbindEvents();\n clearCanvas(canvas, ctx);\n this.platform.releaseContext(ctx);\n this.canvas = null;\n this.ctx = null;\n }\n this.notifyPlugins('destroy');\n delete instances[this.id];\n this.notifyPlugins('afterDestroy');\n }\n toBase64Image(...args) {\n return this.canvas.toDataURL(...args);\n }\n bindEvents() {\n this.bindUserEvents();\n if (this.options.responsive) {\n this.bindResponsiveEvents();\n } else {\n this.attached = true;\n }\n }\n bindUserEvents() {\n const listeners = this._listeners;\n const platform = this.platform;\n const _add = (type, listener) => {\n platform.addEventListener(this, type, listener);\n listeners[type] = listener;\n };\n const listener = (e, x, y) => {\n e.offsetX = x;\n e.offsetY = y;\n this._eventHandler(e);\n };\n each(this.options.events, (type) => _add(type, listener));\n }\n bindResponsiveEvents() {\n if (!this._responsiveListeners) {\n this._responsiveListeners = {};\n }\n const listeners = this._responsiveListeners;\n const platform = this.platform;\n const _add = (type, listener) => {\n platform.addEventListener(this, type, listener);\n listeners[type] = listener;\n };\n const _remove = (type, listener) => {\n if (listeners[type]) {\n platform.removeEventListener(this, type, listener);\n delete listeners[type];\n }\n };\n const listener = (width, height) => {\n if (this.canvas) {\n this.resize(width, height);\n }\n };\n let detached;\n const attached = () => {\n _remove('attach', attached);\n this.attached = true;\n this.resize();\n _add('resize', listener);\n _add('detach', detached);\n };\n detached = () => {\n this.attached = false;\n _remove('resize', listener);\n this._stop();\n this._resize(0, 0);\n _add('attach', attached);\n };\n if (platform.isAttached(this.canvas)) {\n attached();\n } else {\n detached();\n }\n }\n unbindEvents() {\n each(this._listeners, (listener, type) => {\n this.platform.removeEventListener(this, type, listener);\n });\n this._listeners = {};\n each(this._responsiveListeners, (listener, type) => {\n this.platform.removeEventListener(this, type, listener);\n });\n this._responsiveListeners = undefined;\n }\n updateHoverStyle(items, mode, enabled) {\n const prefix = enabled ? 'set' : 'remove';\n let meta, item, i, ilen;\n if (mode === 'dataset') {\n meta = this.getDatasetMeta(items[0].datasetIndex);\n meta.controller['_' + prefix + 'DatasetHoverStyle']();\n }\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n item = items[i];\n const controller = item && this.getDatasetMeta(item.datasetIndex).controller;\n if (controller) {\n controller[prefix + 'HoverStyle'](item.element, item.datasetIndex, item.index);\n }\n }\n }\n getActiveElements() {\n return this._active || [];\n }\n setActiveElements(activeElements) {\n const lastActive = this._active || [];\n const active = activeElements.map(({datasetIndex, index}) => {\n const meta = this.getDatasetMeta(datasetIndex);\n if (!meta) {\n throw new Error('No dataset found at index ' + datasetIndex);\n }\n return {\n datasetIndex,\n element: meta.data[index],\n index,\n };\n });\n const changed = !_elementsEqual(active, lastActive);\n if (changed) {\n this._active = active;\n this._lastEvent = null;\n this._updateHoverStyles(active, lastActive);\n }\n }\n notifyPlugins(hook, args, filter) {\n return this._plugins.notify(this, hook, args, filter);\n }\n _updateHoverStyles(active, lastActive, replay) {\n const hoverOptions = this.options.hover;\n const diff = (a, b) => a.filter(x => !b.some(y => x.datasetIndex === y.datasetIndex && x.index === y.index));\n const deactivated = diff(lastActive, active);\n const activated = replay ? active : diff(active, lastActive);\n if (deactivated.length) {\n this.updateHoverStyle(deactivated, hoverOptions.mode, false);\n }\n if (activated.length && hoverOptions.mode) {\n this.updateHoverStyle(activated, hoverOptions.mode, true);\n }\n }\n _eventHandler(e, replay) {\n const args = {\n event: e,\n replay,\n cancelable: true,\n inChartArea: this.isPointInArea(e)\n };\n const eventFilter = (plugin) => (plugin.options.events || this.options.events).includes(e.native.type);\n if (this.notifyPlugins('beforeEvent', args, eventFilter) === false) {\n return;\n }\n const changed = this._handleEvent(e, replay, args.inChartArea);\n args.cancelable = false;\n this.notifyPlugins('afterEvent', args, eventFilter);\n if (changed || args.changed) {\n this.render();\n }\n return this;\n }\n _handleEvent(e, replay, inChartArea) {\n const {_active: lastActive = [], options} = this;\n const useFinalPosition = replay;\n const active = this._getActiveElements(e, lastActive, inChartArea, useFinalPosition);\n const isClick = _isClickEvent(e);\n const lastEvent = determineLastEvent(e, this._lastEvent, inChartArea, isClick);\n if (inChartArea) {\n this._lastEvent = null;\n callback(options.onHover, [e, active, this], this);\n if (isClick) {\n callback(options.onClick, [e, active, this], this);\n }\n }\n const changed = !_elementsEqual(active, lastActive);\n if (changed || replay) {\n this._active = active;\n this._updateHoverStyles(active, lastActive, replay);\n }\n this._lastEvent = lastEvent;\n return changed;\n }\n _getActiveElements(e, lastActive, inChartArea, useFinalPosition) {\n if (e.type === 'mouseout') {\n return [];\n }\n if (!inChartArea) {\n return lastActive;\n }\n const hoverOptions = this.options.hover;\n return this.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions, useFinalPosition);\n }\n}\nconst invalidatePlugins = () => each(Chart.instances, (chart) => chart._plugins.invalidate());\nconst enumerable = true;\nObject.defineProperties(Chart, {\n defaults: {\n enumerable,\n value: defaults\n },\n instances: {\n enumerable,\n value: instances\n },\n overrides: {\n enumerable,\n value: overrides\n },\n registry: {\n enumerable,\n value: registry\n },\n version: {\n enumerable,\n value: version\n },\n getChart: {\n enumerable,\n value: getChart\n },\n register: {\n enumerable,\n value: (...items) => {\n registry.add(...items);\n invalidatePlugins();\n }\n },\n unregister: {\n enumerable,\n value: (...items) => {\n registry.remove(...items);\n invalidatePlugins();\n }\n }\n});\n\nfunction clipArc(ctx, element, endAngle) {\n const {startAngle, pixelMargin, x, y, outerRadius, innerRadius} = element;\n let angleMargin = pixelMargin / outerRadius;\n ctx.beginPath();\n ctx.arc(x, y, outerRadius, startAngle - angleMargin, endAngle + angleMargin);\n if (innerRadius > pixelMargin) {\n angleMargin = pixelMargin / innerRadius;\n ctx.arc(x, y, innerRadius, endAngle + angleMargin, startAngle - angleMargin, true);\n } else {\n ctx.arc(x, y, pixelMargin, endAngle + HALF_PI, startAngle - HALF_PI);\n }\n ctx.closePath();\n ctx.clip();\n}\nfunction toRadiusCorners(value) {\n return _readValueToProps(value, ['outerStart', 'outerEnd', 'innerStart', 'innerEnd']);\n}\nfunction parseBorderRadius$1(arc, innerRadius, outerRadius, angleDelta) {\n const o = toRadiusCorners(arc.options.borderRadius);\n const halfThickness = (outerRadius - innerRadius) / 2;\n const innerLimit = Math.min(halfThickness, angleDelta * innerRadius / 2);\n const computeOuterLimit = (val) => {\n const outerArcLimit = (outerRadius - Math.min(halfThickness, val)) * angleDelta / 2;\n return _limitValue(val, 0, Math.min(halfThickness, outerArcLimit));\n };\n return {\n outerStart: computeOuterLimit(o.outerStart),\n outerEnd: computeOuterLimit(o.outerEnd),\n innerStart: _limitValue(o.innerStart, 0, innerLimit),\n innerEnd: _limitValue(o.innerEnd, 0, innerLimit),\n };\n}\nfunction rThetaToXY(r, theta, x, y) {\n return {\n x: x + r * Math.cos(theta),\n y: y + r * Math.sin(theta),\n };\n}\nfunction pathArc(ctx, element, offset, spacing, end, circular) {\n const {x, y, startAngle: start, pixelMargin, innerRadius: innerR} = element;\n const outerRadius = Math.max(element.outerRadius + spacing + offset - pixelMargin, 0);\n const innerRadius = innerR > 0 ? innerR + spacing + offset + pixelMargin : 0;\n let spacingOffset = 0;\n const alpha = end - start;\n if (spacing) {\n const noSpacingInnerRadius = innerR > 0 ? innerR - spacing : 0;\n const noSpacingOuterRadius = outerRadius > 0 ? outerRadius - spacing : 0;\n const avNogSpacingRadius = (noSpacingInnerRadius + noSpacingOuterRadius) / 2;\n const adjustedAngle = avNogSpacingRadius !== 0 ? (alpha * avNogSpacingRadius) / (avNogSpacingRadius + spacing) : alpha;\n spacingOffset = (alpha - adjustedAngle) / 2;\n }\n const beta = Math.max(0.001, alpha * outerRadius - offset / PI) / outerRadius;\n const angleOffset = (alpha - beta) / 2;\n const startAngle = start + angleOffset + spacingOffset;\n const endAngle = end - angleOffset - spacingOffset;\n const {outerStart, outerEnd, innerStart, innerEnd} = parseBorderRadius$1(element, innerRadius, outerRadius, endAngle - startAngle);\n const outerStartAdjustedRadius = outerRadius - outerStart;\n const outerEndAdjustedRadius = outerRadius - outerEnd;\n const outerStartAdjustedAngle = startAngle + outerStart / outerStartAdjustedRadius;\n const outerEndAdjustedAngle = endAngle - outerEnd / outerEndAdjustedRadius;\n const innerStartAdjustedRadius = innerRadius + innerStart;\n const innerEndAdjustedRadius = innerRadius + innerEnd;\n const innerStartAdjustedAngle = startAngle + innerStart / innerStartAdjustedRadius;\n const innerEndAdjustedAngle = endAngle - innerEnd / innerEndAdjustedRadius;\n ctx.beginPath();\n if (circular) {\n ctx.arc(x, y, outerRadius, outerStartAdjustedAngle, outerEndAdjustedAngle);\n if (outerEnd > 0) {\n const pCenter = rThetaToXY(outerEndAdjustedRadius, outerEndAdjustedAngle, x, y);\n ctx.arc(pCenter.x, pCenter.y, outerEnd, outerEndAdjustedAngle, endAngle + HALF_PI);\n }\n const p4 = rThetaToXY(innerEndAdjustedRadius, endAngle, x, y);\n ctx.lineTo(p4.x, p4.y);\n if (innerEnd > 0) {\n const pCenter = rThetaToXY(innerEndAdjustedRadius, innerEndAdjustedAngle, x, y);\n ctx.arc(pCenter.x, pCenter.y, innerEnd, endAngle + HALF_PI, innerEndAdjustedAngle + Math.PI);\n }\n ctx.arc(x, y, innerRadius, endAngle - (innerEnd / innerRadius), startAngle + (innerStart / innerRadius), true);\n if (innerStart > 0) {\n const pCenter = rThetaToXY(innerStartAdjustedRadius, innerStartAdjustedAngle, x, y);\n ctx.arc(pCenter.x, pCenter.y, innerStart, innerStartAdjustedAngle + Math.PI, startAngle - HALF_PI);\n }\n const p8 = rThetaToXY(outerStartAdjustedRadius, startAngle, x, y);\n ctx.lineTo(p8.x, p8.y);\n if (outerStart > 0) {\n const pCenter = rThetaToXY(outerStartAdjustedRadius, outerStartAdjustedAngle, x, y);\n ctx.arc(pCenter.x, pCenter.y, outerStart, startAngle - HALF_PI, outerStartAdjustedAngle);\n }\n } else {\n ctx.moveTo(x, y);\n const outerStartX = Math.cos(outerStartAdjustedAngle) * outerRadius + x;\n const outerStartY = Math.sin(outerStartAdjustedAngle) * outerRadius + y;\n ctx.lineTo(outerStartX, outerStartY);\n const outerEndX = Math.cos(outerEndAdjustedAngle) * outerRadius + x;\n const outerEndY = Math.sin(outerEndAdjustedAngle) * outerRadius + y;\n ctx.lineTo(outerEndX, outerEndY);\n }\n ctx.closePath();\n}\nfunction drawArc(ctx, element, offset, spacing, circular) {\n const {fullCircles, startAngle, circumference} = element;\n let endAngle = element.endAngle;\n if (fullCircles) {\n pathArc(ctx, element, offset, spacing, startAngle + TAU, circular);\n for (let i = 0; i < fullCircles; ++i) {\n ctx.fill();\n }\n if (!isNaN(circumference)) {\n endAngle = startAngle + circumference % TAU;\n if (circumference % TAU === 0) {\n endAngle += TAU;\n }\n }\n }\n pathArc(ctx, element, offset, spacing, endAngle, circular);\n ctx.fill();\n return endAngle;\n}\nfunction drawFullCircleBorders(ctx, element, inner) {\n const {x, y, startAngle, pixelMargin, fullCircles} = element;\n const outerRadius = Math.max(element.outerRadius - pixelMargin, 0);\n const innerRadius = element.innerRadius + pixelMargin;\n let i;\n if (inner) {\n clipArc(ctx, element, startAngle + TAU);\n }\n ctx.beginPath();\n ctx.arc(x, y, innerRadius, startAngle + TAU, startAngle, true);\n for (i = 0; i < fullCircles; ++i) {\n ctx.stroke();\n }\n ctx.beginPath();\n ctx.arc(x, y, outerRadius, startAngle, startAngle + TAU);\n for (i = 0; i < fullCircles; ++i) {\n ctx.stroke();\n }\n}\nfunction drawBorder(ctx, element, offset, spacing, endAngle, circular) {\n const {options} = element;\n const {borderWidth, borderJoinStyle} = options;\n const inner = options.borderAlign === 'inner';\n if (!borderWidth) {\n return;\n }\n if (inner) {\n ctx.lineWidth = borderWidth * 2;\n ctx.lineJoin = borderJoinStyle || 'round';\n } else {\n ctx.lineWidth = borderWidth;\n ctx.lineJoin = borderJoinStyle || 'bevel';\n }\n if (element.fullCircles) {\n drawFullCircleBorders(ctx, element, inner);\n }\n if (inner) {\n clipArc(ctx, element, endAngle);\n }\n pathArc(ctx, element, offset, spacing, endAngle, circular);\n ctx.stroke();\n}\nclass ArcElement extends Element {\n constructor(cfg) {\n super();\n this.options = undefined;\n this.circumference = undefined;\n this.startAngle = undefined;\n this.endAngle = undefined;\n this.innerRadius = undefined;\n this.outerRadius = undefined;\n this.pixelMargin = 0;\n this.fullCircles = 0;\n if (cfg) {\n Object.assign(this, cfg);\n }\n }\n inRange(chartX, chartY, useFinalPosition) {\n const point = this.getProps(['x', 'y'], useFinalPosition);\n const {angle, distance} = getAngleFromPoint(point, {x: chartX, y: chartY});\n const {startAngle, endAngle, innerRadius, outerRadius, circumference} = this.getProps([\n 'startAngle',\n 'endAngle',\n 'innerRadius',\n 'outerRadius',\n 'circumference'\n ], useFinalPosition);\n const rAdjust = this.options.spacing / 2;\n const _circumference = valueOrDefault(circumference, endAngle - startAngle);\n const betweenAngles = _circumference >= TAU || _angleBetween(angle, startAngle, endAngle);\n const withinRadius = _isBetween(distance, innerRadius + rAdjust, outerRadius + rAdjust);\n return (betweenAngles && withinRadius);\n }\n getCenterPoint(useFinalPosition) {\n const {x, y, startAngle, endAngle, innerRadius, outerRadius} = this.getProps([\n 'x',\n 'y',\n 'startAngle',\n 'endAngle',\n 'innerRadius',\n 'outerRadius',\n 'circumference',\n ], useFinalPosition);\n const {offset, spacing} = this.options;\n const halfAngle = (startAngle + endAngle) / 2;\n const halfRadius = (innerRadius + outerRadius + spacing + offset) / 2;\n return {\n x: x + Math.cos(halfAngle) * halfRadius,\n y: y + Math.sin(halfAngle) * halfRadius\n };\n }\n tooltipPosition(useFinalPosition) {\n return this.getCenterPoint(useFinalPosition);\n }\n draw(ctx) {\n const {options, circumference} = this;\n const offset = (options.offset || 0) / 2;\n const spacing = (options.spacing || 0) / 2;\n const circular = options.circular;\n this.pixelMargin = (options.borderAlign === 'inner') ? 0.33 : 0;\n this.fullCircles = circumference > TAU ? Math.floor(circumference / TAU) : 0;\n if (circumference === 0 || this.innerRadius < 0 || this.outerRadius < 0) {\n return;\n }\n ctx.save();\n let radiusOffset = 0;\n if (offset) {\n radiusOffset = offset / 2;\n const halfAngle = (this.startAngle + this.endAngle) / 2;\n ctx.translate(Math.cos(halfAngle) * radiusOffset, Math.sin(halfAngle) * radiusOffset);\n if (this.circumference >= PI) {\n radiusOffset = offset;\n }\n }\n ctx.fillStyle = options.backgroundColor;\n ctx.strokeStyle = options.borderColor;\n const endAngle = drawArc(ctx, this, radiusOffset, spacing, circular);\n drawBorder(ctx, this, radiusOffset, spacing, endAngle, circular);\n ctx.restore();\n }\n}\nArcElement.id = 'arc';\nArcElement.defaults = {\n borderAlign: 'center',\n borderColor: '#fff',\n borderJoinStyle: undefined,\n borderRadius: 0,\n borderWidth: 2,\n offset: 0,\n spacing: 0,\n angle: undefined,\n circular: true,\n};\nArcElement.defaultRoutes = {\n backgroundColor: 'backgroundColor'\n};\n\nfunction setStyle(ctx, options, style = options) {\n ctx.lineCap = valueOrDefault(style.borderCapStyle, options.borderCapStyle);\n ctx.setLineDash(valueOrDefault(style.borderDash, options.borderDash));\n ctx.lineDashOffset = valueOrDefault(style.borderDashOffset, options.borderDashOffset);\n ctx.lineJoin = valueOrDefault(style.borderJoinStyle, options.borderJoinStyle);\n ctx.lineWidth = valueOrDefault(style.borderWidth, options.borderWidth);\n ctx.strokeStyle = valueOrDefault(style.borderColor, options.borderColor);\n}\nfunction lineTo(ctx, previous, target) {\n ctx.lineTo(target.x, target.y);\n}\nfunction getLineMethod(options) {\n if (options.stepped) {\n return _steppedLineTo;\n }\n if (options.tension || options.cubicInterpolationMode === 'monotone') {\n return _bezierCurveTo;\n }\n return lineTo;\n}\nfunction pathVars(points, segment, params = {}) {\n const count = points.length;\n const {start: paramsStart = 0, end: paramsEnd = count - 1} = params;\n const {start: segmentStart, end: segmentEnd} = segment;\n const start = Math.max(paramsStart, segmentStart);\n const end = Math.min(paramsEnd, segmentEnd);\n const outside = paramsStart < segmentStart && paramsEnd < segmentStart || paramsStart > segmentEnd && paramsEnd > segmentEnd;\n return {\n count,\n start,\n loop: segment.loop,\n ilen: end < start && !outside ? count + end - start : end - start\n };\n}\nfunction pathSegment(ctx, line, segment, params) {\n const {points, options} = line;\n const {count, start, loop, ilen} = pathVars(points, segment, params);\n const lineMethod = getLineMethod(options);\n let {move = true, reverse} = params || {};\n let i, point, prev;\n for (i = 0; i <= ilen; ++i) {\n point = points[(start + (reverse ? ilen - i : i)) % count];\n if (point.skip) {\n continue;\n } else if (move) {\n ctx.moveTo(point.x, point.y);\n move = false;\n } else {\n lineMethod(ctx, prev, point, reverse, options.stepped);\n }\n prev = point;\n }\n if (loop) {\n point = points[(start + (reverse ? ilen : 0)) % count];\n lineMethod(ctx, prev, point, reverse, options.stepped);\n }\n return !!loop;\n}\nfunction fastPathSegment(ctx, line, segment, params) {\n const points = line.points;\n const {count, start, ilen} = pathVars(points, segment, params);\n const {move = true, reverse} = params || {};\n let avgX = 0;\n let countX = 0;\n let i, point, prevX, minY, maxY, lastY;\n const pointIndex = (index) => (start + (reverse ? ilen - index : index)) % count;\n const drawX = () => {\n if (minY !== maxY) {\n ctx.lineTo(avgX, maxY);\n ctx.lineTo(avgX, minY);\n ctx.lineTo(avgX, lastY);\n }\n };\n if (move) {\n point = points[pointIndex(0)];\n ctx.moveTo(point.x, point.y);\n }\n for (i = 0; i <= ilen; ++i) {\n point = points[pointIndex(i)];\n if (point.skip) {\n continue;\n }\n const x = point.x;\n const y = point.y;\n const truncX = x | 0;\n if (truncX === prevX) {\n if (y < minY) {\n minY = y;\n } else if (y > maxY) {\n maxY = y;\n }\n avgX = (countX * avgX + x) / ++countX;\n } else {\n drawX();\n ctx.lineTo(x, y);\n prevX = truncX;\n countX = 0;\n minY = maxY = y;\n }\n lastY = y;\n }\n drawX();\n}\nfunction _getSegmentMethod(line) {\n const opts = line.options;\n const borderDash = opts.borderDash && opts.borderDash.length;\n const useFastPath = !line._decimated && !line._loop && !opts.tension && opts.cubicInterpolationMode !== 'monotone' && !opts.stepped && !borderDash;\n return useFastPath ? fastPathSegment : pathSegment;\n}\nfunction _getInterpolationMethod(options) {\n if (options.stepped) {\n return _steppedInterpolation;\n }\n if (options.tension || options.cubicInterpolationMode === 'monotone') {\n return _bezierInterpolation;\n }\n return _pointInLine;\n}\nfunction strokePathWithCache(ctx, line, start, count) {\n let path = line._path;\n if (!path) {\n path = line._path = new Path2D();\n if (line.path(path, start, count)) {\n path.closePath();\n }\n }\n setStyle(ctx, line.options);\n ctx.stroke(path);\n}\nfunction strokePathDirect(ctx, line, start, count) {\n const {segments, options} = line;\n const segmentMethod = _getSegmentMethod(line);\n for (const segment of segments) {\n setStyle(ctx, options, segment.style);\n ctx.beginPath();\n if (segmentMethod(ctx, line, segment, {start, end: start + count - 1})) {\n ctx.closePath();\n }\n ctx.stroke();\n }\n}\nconst usePath2D = typeof Path2D === 'function';\nfunction draw(ctx, line, start, count) {\n if (usePath2D && !line.options.segment) {\n strokePathWithCache(ctx, line, start, count);\n } else {\n strokePathDirect(ctx, line, start, count);\n }\n}\nclass LineElement extends Element {\n constructor(cfg) {\n super();\n this.animated = true;\n this.options = undefined;\n this._chart = undefined;\n this._loop = undefined;\n this._fullLoop = undefined;\n this._path = undefined;\n this._points = undefined;\n this._segments = undefined;\n this._decimated = false;\n this._pointsUpdated = false;\n this._datasetIndex = undefined;\n if (cfg) {\n Object.assign(this, cfg);\n }\n }\n updateControlPoints(chartArea, indexAxis) {\n const options = this.options;\n if ((options.tension || options.cubicInterpolationMode === 'monotone') && !options.stepped && !this._pointsUpdated) {\n const loop = options.spanGaps ? this._loop : this._fullLoop;\n _updateBezierControlPoints(this._points, options, chartArea, loop, indexAxis);\n this._pointsUpdated = true;\n }\n }\n set points(points) {\n this._points = points;\n delete this._segments;\n delete this._path;\n this._pointsUpdated = false;\n }\n get points() {\n return this._points;\n }\n get segments() {\n return this._segments || (this._segments = _computeSegments(this, this.options.segment));\n }\n first() {\n const segments = this.segments;\n const points = this.points;\n return segments.length && points[segments[0].start];\n }\n last() {\n const segments = this.segments;\n const points = this.points;\n const count = segments.length;\n return count && points[segments[count - 1].end];\n }\n interpolate(point, property) {\n const options = this.options;\n const value = point[property];\n const points = this.points;\n const segments = _boundSegments(this, {property, start: value, end: value});\n if (!segments.length) {\n return;\n }\n const result = [];\n const _interpolate = _getInterpolationMethod(options);\n let i, ilen;\n for (i = 0, ilen = segments.length; i < ilen; ++i) {\n const {start, end} = segments[i];\n const p1 = points[start];\n const p2 = points[end];\n if (p1 === p2) {\n result.push(p1);\n continue;\n }\n const t = Math.abs((value - p1[property]) / (p2[property] - p1[property]));\n const interpolated = _interpolate(p1, p2, t, options.stepped);\n interpolated[property] = point[property];\n result.push(interpolated);\n }\n return result.length === 1 ? result[0] : result;\n }\n pathSegment(ctx, segment, params) {\n const segmentMethod = _getSegmentMethod(this);\n return segmentMethod(ctx, this, segment, params);\n }\n path(ctx, start, count) {\n const segments = this.segments;\n const segmentMethod = _getSegmentMethod(this);\n let loop = this._loop;\n start = start || 0;\n count = count || (this.points.length - start);\n for (const segment of segments) {\n loop &= segmentMethod(ctx, this, segment, {start, end: start + count - 1});\n }\n return !!loop;\n }\n draw(ctx, chartArea, start, count) {\n const options = this.options || {};\n const points = this.points || [];\n if (points.length && options.borderWidth) {\n ctx.save();\n draw(ctx, this, start, count);\n ctx.restore();\n }\n if (this.animated) {\n this._pointsUpdated = false;\n this._path = undefined;\n }\n }\n}\nLineElement.id = 'line';\nLineElement.defaults = {\n borderCapStyle: 'butt',\n borderDash: [],\n borderDashOffset: 0,\n borderJoinStyle: 'miter',\n borderWidth: 3,\n capBezierPoints: true,\n cubicInterpolationMode: 'default',\n fill: false,\n spanGaps: false,\n stepped: false,\n tension: 0,\n};\nLineElement.defaultRoutes = {\n backgroundColor: 'backgroundColor',\n borderColor: 'borderColor'\n};\nLineElement.descriptors = {\n _scriptable: true,\n _indexable: (name) => name !== 'borderDash' && name !== 'fill',\n};\n\nfunction inRange$1(el, pos, axis, useFinalPosition) {\n const options = el.options;\n const {[axis]: value} = el.getProps([axis], useFinalPosition);\n return (Math.abs(pos - value) < options.radius + options.hitRadius);\n}\nclass PointElement extends Element {\n constructor(cfg) {\n super();\n this.options = undefined;\n this.parsed = undefined;\n this.skip = undefined;\n this.stop = undefined;\n if (cfg) {\n Object.assign(this, cfg);\n }\n }\n inRange(mouseX, mouseY, useFinalPosition) {\n const options = this.options;\n const {x, y} = this.getProps(['x', 'y'], useFinalPosition);\n return ((Math.pow(mouseX - x, 2) + Math.pow(mouseY - y, 2)) < Math.pow(options.hitRadius + options.radius, 2));\n }\n inXRange(mouseX, useFinalPosition) {\n return inRange$1(this, mouseX, 'x', useFinalPosition);\n }\n inYRange(mouseY, useFinalPosition) {\n return inRange$1(this, mouseY, 'y', useFinalPosition);\n }\n getCenterPoint(useFinalPosition) {\n const {x, y} = this.getProps(['x', 'y'], useFinalPosition);\n return {x, y};\n }\n size(options) {\n options = options || this.options || {};\n let radius = options.radius || 0;\n radius = Math.max(radius, radius && options.hoverRadius || 0);\n const borderWidth = radius && options.borderWidth || 0;\n return (radius + borderWidth) * 2;\n }\n draw(ctx, area) {\n const options = this.options;\n if (this.skip || options.radius < 0.1 || !_isPointInArea(this, area, this.size(options) / 2)) {\n return;\n }\n ctx.strokeStyle = options.borderColor;\n ctx.lineWidth = options.borderWidth;\n ctx.fillStyle = options.backgroundColor;\n drawPoint(ctx, options, this.x, this.y);\n }\n getRange() {\n const options = this.options || {};\n return options.radius + options.hitRadius;\n }\n}\nPointElement.id = 'point';\nPointElement.defaults = {\n borderWidth: 1,\n hitRadius: 1,\n hoverBorderWidth: 1,\n hoverRadius: 4,\n pointStyle: 'circle',\n radius: 3,\n rotation: 0\n};\nPointElement.defaultRoutes = {\n backgroundColor: 'backgroundColor',\n borderColor: 'borderColor'\n};\n\nfunction getBarBounds(bar, useFinalPosition) {\n const {x, y, base, width, height} = bar.getProps(['x', 'y', 'base', 'width', 'height'], useFinalPosition);\n let left, right, top, bottom, half;\n if (bar.horizontal) {\n half = height / 2;\n left = Math.min(x, base);\n right = Math.max(x, base);\n top = y - half;\n bottom = y + half;\n } else {\n half = width / 2;\n left = x - half;\n right = x + half;\n top = Math.min(y, base);\n bottom = Math.max(y, base);\n }\n return {left, top, right, bottom};\n}\nfunction skipOrLimit(skip, value, min, max) {\n return skip ? 0 : _limitValue(value, min, max);\n}\nfunction parseBorderWidth(bar, maxW, maxH) {\n const value = bar.options.borderWidth;\n const skip = bar.borderSkipped;\n const o = toTRBL(value);\n return {\n t: skipOrLimit(skip.top, o.top, 0, maxH),\n r: skipOrLimit(skip.right, o.right, 0, maxW),\n b: skipOrLimit(skip.bottom, o.bottom, 0, maxH),\n l: skipOrLimit(skip.left, o.left, 0, maxW)\n };\n}\nfunction parseBorderRadius(bar, maxW, maxH) {\n const {enableBorderRadius} = bar.getProps(['enableBorderRadius']);\n const value = bar.options.borderRadius;\n const o = toTRBLCorners(value);\n const maxR = Math.min(maxW, maxH);\n const skip = bar.borderSkipped;\n const enableBorder = enableBorderRadius || isObject(value);\n return {\n topLeft: skipOrLimit(!enableBorder || skip.top || skip.left, o.topLeft, 0, maxR),\n topRight: skipOrLimit(!enableBorder || skip.top || skip.right, o.topRight, 0, maxR),\n bottomLeft: skipOrLimit(!enableBorder || skip.bottom || skip.left, o.bottomLeft, 0, maxR),\n bottomRight: skipOrLimit(!enableBorder || skip.bottom || skip.right, o.bottomRight, 0, maxR)\n };\n}\nfunction boundingRects(bar) {\n const bounds = getBarBounds(bar);\n const width = bounds.right - bounds.left;\n const height = bounds.bottom - bounds.top;\n const border = parseBorderWidth(bar, width / 2, height / 2);\n const radius = parseBorderRadius(bar, width / 2, height / 2);\n return {\n outer: {\n x: bounds.left,\n y: bounds.top,\n w: width,\n h: height,\n radius\n },\n inner: {\n x: bounds.left + border.l,\n y: bounds.top + border.t,\n w: width - border.l - border.r,\n h: height - border.t - border.b,\n radius: {\n topLeft: Math.max(0, radius.topLeft - Math.max(border.t, border.l)),\n topRight: Math.max(0, radius.topRight - Math.max(border.t, border.r)),\n bottomLeft: Math.max(0, radius.bottomLeft - Math.max(border.b, border.l)),\n bottomRight: Math.max(0, radius.bottomRight - Math.max(border.b, border.r)),\n }\n }\n };\n}\nfunction inRange(bar, x, y, useFinalPosition) {\n const skipX = x === null;\n const skipY = y === null;\n const skipBoth = skipX && skipY;\n const bounds = bar && !skipBoth && getBarBounds(bar, useFinalPosition);\n return bounds\n\t\t&& (skipX || _isBetween(x, bounds.left, bounds.right))\n\t\t&& (skipY || _isBetween(y, bounds.top, bounds.bottom));\n}\nfunction hasRadius(radius) {\n return radius.topLeft || radius.topRight || radius.bottomLeft || radius.bottomRight;\n}\nfunction addNormalRectPath(ctx, rect) {\n ctx.rect(rect.x, rect.y, rect.w, rect.h);\n}\nfunction inflateRect(rect, amount, refRect = {}) {\n const x = rect.x !== refRect.x ? -amount : 0;\n const y = rect.y !== refRect.y ? -amount : 0;\n const w = (rect.x + rect.w !== refRect.x + refRect.w ? amount : 0) - x;\n const h = (rect.y + rect.h !== refRect.y + refRect.h ? amount : 0) - y;\n return {\n x: rect.x + x,\n y: rect.y + y,\n w: rect.w + w,\n h: rect.h + h,\n radius: rect.radius\n };\n}\nclass BarElement extends Element {\n constructor(cfg) {\n super();\n this.options = undefined;\n this.horizontal = undefined;\n this.base = undefined;\n this.width = undefined;\n this.height = undefined;\n this.inflateAmount = undefined;\n if (cfg) {\n Object.assign(this, cfg);\n }\n }\n draw(ctx) {\n const {inflateAmount, options: {borderColor, backgroundColor}} = this;\n const {inner, outer} = boundingRects(this);\n const addRectPath = hasRadius(outer.radius) ? addRoundedRectPath : addNormalRectPath;\n ctx.save();\n if (outer.w !== inner.w || outer.h !== inner.h) {\n ctx.beginPath();\n addRectPath(ctx, inflateRect(outer, inflateAmount, inner));\n ctx.clip();\n addRectPath(ctx, inflateRect(inner, -inflateAmount, outer));\n ctx.fillStyle = borderColor;\n ctx.fill('evenodd');\n }\n ctx.beginPath();\n addRectPath(ctx, inflateRect(inner, inflateAmount));\n ctx.fillStyle = backgroundColor;\n ctx.fill();\n ctx.restore();\n }\n inRange(mouseX, mouseY, useFinalPosition) {\n return inRange(this, mouseX, mouseY, useFinalPosition);\n }\n inXRange(mouseX, useFinalPosition) {\n return inRange(this, mouseX, null, useFinalPosition);\n }\n inYRange(mouseY, useFinalPosition) {\n return inRange(this, null, mouseY, useFinalPosition);\n }\n getCenterPoint(useFinalPosition) {\n const {x, y, base, horizontal} = this.getProps(['x', 'y', 'base', 'horizontal'], useFinalPosition);\n return {\n x: horizontal ? (x + base) / 2 : x,\n y: horizontal ? y : (y + base) / 2\n };\n }\n getRange(axis) {\n return axis === 'x' ? this.width / 2 : this.height / 2;\n }\n}\nBarElement.id = 'bar';\nBarElement.defaults = {\n borderSkipped: 'start',\n borderWidth: 0,\n borderRadius: 0,\n inflateAmount: 'auto',\n pointStyle: undefined\n};\nBarElement.defaultRoutes = {\n backgroundColor: 'backgroundColor',\n borderColor: 'borderColor'\n};\n\nvar elements = /*#__PURE__*/Object.freeze({\n__proto__: null,\nArcElement: ArcElement,\nLineElement: LineElement,\nPointElement: PointElement,\nBarElement: BarElement\n});\n\nfunction lttbDecimation(data, start, count, availableWidth, options) {\n const samples = options.samples || availableWidth;\n if (samples >= count) {\n return data.slice(start, start + count);\n }\n const decimated = [];\n const bucketWidth = (count - 2) / (samples - 2);\n let sampledIndex = 0;\n const endIndex = start + count - 1;\n let a = start;\n let i, maxAreaPoint, maxArea, area, nextA;\n decimated[sampledIndex++] = data[a];\n for (i = 0; i < samples - 2; i++) {\n let avgX = 0;\n let avgY = 0;\n let j;\n const avgRangeStart = Math.floor((i + 1) * bucketWidth) + 1 + start;\n const avgRangeEnd = Math.min(Math.floor((i + 2) * bucketWidth) + 1, count) + start;\n const avgRangeLength = avgRangeEnd - avgRangeStart;\n for (j = avgRangeStart; j < avgRangeEnd; j++) {\n avgX += data[j].x;\n avgY += data[j].y;\n }\n avgX /= avgRangeLength;\n avgY /= avgRangeLength;\n const rangeOffs = Math.floor(i * bucketWidth) + 1 + start;\n const rangeTo = Math.min(Math.floor((i + 1) * bucketWidth) + 1, count) + start;\n const {x: pointAx, y: pointAy} = data[a];\n maxArea = area = -1;\n for (j = rangeOffs; j < rangeTo; j++) {\n area = 0.5 * Math.abs(\n (pointAx - avgX) * (data[j].y - pointAy) -\n (pointAx - data[j].x) * (avgY - pointAy)\n );\n if (area > maxArea) {\n maxArea = area;\n maxAreaPoint = data[j];\n nextA = j;\n }\n }\n decimated[sampledIndex++] = maxAreaPoint;\n a = nextA;\n }\n decimated[sampledIndex++] = data[endIndex];\n return decimated;\n}\nfunction minMaxDecimation(data, start, count, availableWidth) {\n let avgX = 0;\n let countX = 0;\n let i, point, x, y, prevX, minIndex, maxIndex, startIndex, minY, maxY;\n const decimated = [];\n const endIndex = start + count - 1;\n const xMin = data[start].x;\n const xMax = data[endIndex].x;\n const dx = xMax - xMin;\n for (i = start; i < start + count; ++i) {\n point = data[i];\n x = (point.x - xMin) / dx * availableWidth;\n y = point.y;\n const truncX = x | 0;\n if (truncX === prevX) {\n if (y < minY) {\n minY = y;\n minIndex = i;\n } else if (y > maxY) {\n maxY = y;\n maxIndex = i;\n }\n avgX = (countX * avgX + point.x) / ++countX;\n } else {\n const lastIndex = i - 1;\n if (!isNullOrUndef(minIndex) && !isNullOrUndef(maxIndex)) {\n const intermediateIndex1 = Math.min(minIndex, maxIndex);\n const intermediateIndex2 = Math.max(minIndex, maxIndex);\n if (intermediateIndex1 !== startIndex && intermediateIndex1 !== lastIndex) {\n decimated.push({\n ...data[intermediateIndex1],\n x: avgX,\n });\n }\n if (intermediateIndex2 !== startIndex && intermediateIndex2 !== lastIndex) {\n decimated.push({\n ...data[intermediateIndex2],\n x: avgX\n });\n }\n }\n if (i > 0 && lastIndex !== startIndex) {\n decimated.push(data[lastIndex]);\n }\n decimated.push(point);\n prevX = truncX;\n countX = 0;\n minY = maxY = y;\n minIndex = maxIndex = startIndex = i;\n }\n }\n return decimated;\n}\nfunction cleanDecimatedDataset(dataset) {\n if (dataset._decimated) {\n const data = dataset._data;\n delete dataset._decimated;\n delete dataset._data;\n Object.defineProperty(dataset, 'data', {value: data});\n }\n}\nfunction cleanDecimatedData(chart) {\n chart.data.datasets.forEach((dataset) => {\n cleanDecimatedDataset(dataset);\n });\n}\nfunction getStartAndCountOfVisiblePointsSimplified(meta, points) {\n const pointCount = points.length;\n let start = 0;\n let count;\n const {iScale} = meta;\n const {min, max, minDefined, maxDefined} = iScale.getUserBounds();\n if (minDefined) {\n start = _limitValue(_lookupByKey(points, iScale.axis, min).lo, 0, pointCount - 1);\n }\n if (maxDefined) {\n count = _limitValue(_lookupByKey(points, iScale.axis, max).hi + 1, start, pointCount) - start;\n } else {\n count = pointCount - start;\n }\n return {start, count};\n}\nvar plugin_decimation = {\n id: 'decimation',\n defaults: {\n algorithm: 'min-max',\n enabled: false,\n },\n beforeElementsUpdate: (chart, args, options) => {\n if (!options.enabled) {\n cleanDecimatedData(chart);\n return;\n }\n const availableWidth = chart.width;\n chart.data.datasets.forEach((dataset, datasetIndex) => {\n const {_data, indexAxis} = dataset;\n const meta = chart.getDatasetMeta(datasetIndex);\n const data = _data || dataset.data;\n if (resolve([indexAxis, chart.options.indexAxis]) === 'y') {\n return;\n }\n if (!meta.controller.supportsDecimation) {\n return;\n }\n const xAxis = chart.scales[meta.xAxisID];\n if (xAxis.type !== 'linear' && xAxis.type !== 'time') {\n return;\n }\n if (chart.options.parsing) {\n return;\n }\n let {start, count} = getStartAndCountOfVisiblePointsSimplified(meta, data);\n const threshold = options.threshold || 4 * availableWidth;\n if (count <= threshold) {\n cleanDecimatedDataset(dataset);\n return;\n }\n if (isNullOrUndef(_data)) {\n dataset._data = data;\n delete dataset.data;\n Object.defineProperty(dataset, 'data', {\n configurable: true,\n enumerable: true,\n get: function() {\n return this._decimated;\n },\n set: function(d) {\n this._data = d;\n }\n });\n }\n let decimated;\n switch (options.algorithm) {\n case 'lttb':\n decimated = lttbDecimation(data, start, count, availableWidth, options);\n break;\n case 'min-max':\n decimated = minMaxDecimation(data, start, count, availableWidth);\n break;\n default:\n throw new Error(`Unsupported decimation algorithm '${options.algorithm}'`);\n }\n dataset._decimated = decimated;\n });\n },\n destroy(chart) {\n cleanDecimatedData(chart);\n }\n};\n\nfunction _segments(line, target, property) {\n const segments = line.segments;\n const points = line.points;\n const tpoints = target.points;\n const parts = [];\n for (const segment of segments) {\n let {start, end} = segment;\n end = _findSegmentEnd(start, end, points);\n const bounds = _getBounds(property, points[start], points[end], segment.loop);\n if (!target.segments) {\n parts.push({\n source: segment,\n target: bounds,\n start: points[start],\n end: points[end]\n });\n continue;\n }\n const targetSegments = _boundSegments(target, bounds);\n for (const tgt of targetSegments) {\n const subBounds = _getBounds(property, tpoints[tgt.start], tpoints[tgt.end], tgt.loop);\n const fillSources = _boundSegment(segment, points, subBounds);\n for (const fillSource of fillSources) {\n parts.push({\n source: fillSource,\n target: tgt,\n start: {\n [property]: _getEdge(bounds, subBounds, 'start', Math.max)\n },\n end: {\n [property]: _getEdge(bounds, subBounds, 'end', Math.min)\n }\n });\n }\n }\n }\n return parts;\n}\nfunction _getBounds(property, first, last, loop) {\n if (loop) {\n return;\n }\n let start = first[property];\n let end = last[property];\n if (property === 'angle') {\n start = _normalizeAngle(start);\n end = _normalizeAngle(end);\n }\n return {property, start, end};\n}\nfunction _pointsFromSegments(boundary, line) {\n const {x = null, y = null} = boundary || {};\n const linePoints = line.points;\n const points = [];\n line.segments.forEach(({start, end}) => {\n end = _findSegmentEnd(start, end, linePoints);\n const first = linePoints[start];\n const last = linePoints[end];\n if (y !== null) {\n points.push({x: first.x, y});\n points.push({x: last.x, y});\n } else if (x !== null) {\n points.push({x, y: first.y});\n points.push({x, y: last.y});\n }\n });\n return points;\n}\nfunction _findSegmentEnd(start, end, points) {\n for (;end > start; end--) {\n const point = points[end];\n if (!isNaN(point.x) && !isNaN(point.y)) {\n break;\n }\n }\n return end;\n}\nfunction _getEdge(a, b, prop, fn) {\n if (a && b) {\n return fn(a[prop], b[prop]);\n }\n return a ? a[prop] : b ? b[prop] : 0;\n}\n\nfunction _createBoundaryLine(boundary, line) {\n let points = [];\n let _loop = false;\n if (isArray(boundary)) {\n _loop = true;\n points = boundary;\n } else {\n points = _pointsFromSegments(boundary, line);\n }\n return points.length ? new LineElement({\n points,\n options: {tension: 0},\n _loop,\n _fullLoop: _loop\n }) : null;\n}\nfunction _shouldApplyFill(source) {\n return source && source.fill !== false;\n}\n\nfunction _resolveTarget(sources, index, propagate) {\n const source = sources[index];\n let fill = source.fill;\n const visited = [index];\n let target;\n if (!propagate) {\n return fill;\n }\n while (fill !== false && visited.indexOf(fill) === -1) {\n if (!isNumberFinite(fill)) {\n return fill;\n }\n target = sources[fill];\n if (!target) {\n return false;\n }\n if (target.visible) {\n return fill;\n }\n visited.push(fill);\n fill = target.fill;\n }\n return false;\n}\nfunction _decodeFill(line, index, count) {\n const fill = parseFillOption(line);\n if (isObject(fill)) {\n return isNaN(fill.value) ? false : fill;\n }\n let target = parseFloat(fill);\n if (isNumberFinite(target) && Math.floor(target) === target) {\n return decodeTargetIndex(fill[0], index, target, count);\n }\n return ['origin', 'start', 'end', 'stack', 'shape'].indexOf(fill) >= 0 && fill;\n}\nfunction decodeTargetIndex(firstCh, index, target, count) {\n if (firstCh === '-' || firstCh === '+') {\n target = index + target;\n }\n if (target === index || target < 0 || target >= count) {\n return false;\n }\n return target;\n}\nfunction _getTargetPixel(fill, scale) {\n let pixel = null;\n if (fill === 'start') {\n pixel = scale.bottom;\n } else if (fill === 'end') {\n pixel = scale.top;\n } else if (isObject(fill)) {\n pixel = scale.getPixelForValue(fill.value);\n } else if (scale.getBasePixel) {\n pixel = scale.getBasePixel();\n }\n return pixel;\n}\nfunction _getTargetValue(fill, scale, startValue) {\n let value;\n if (fill === 'start') {\n value = startValue;\n } else if (fill === 'end') {\n value = scale.options.reverse ? scale.min : scale.max;\n } else if (isObject(fill)) {\n value = fill.value;\n } else {\n value = scale.getBaseValue();\n }\n return value;\n}\nfunction parseFillOption(line) {\n const options = line.options;\n const fillOption = options.fill;\n let fill = valueOrDefault(fillOption && fillOption.target, fillOption);\n if (fill === undefined) {\n fill = !!options.backgroundColor;\n }\n if (fill === false || fill === null) {\n return false;\n }\n if (fill === true) {\n return 'origin';\n }\n return fill;\n}\n\nfunction _buildStackLine(source) {\n const {scale, index, line} = source;\n const points = [];\n const segments = line.segments;\n const sourcePoints = line.points;\n const linesBelow = getLinesBelow(scale, index);\n linesBelow.push(_createBoundaryLine({x: null, y: scale.bottom}, line));\n for (let i = 0; i < segments.length; i++) {\n const segment = segments[i];\n for (let j = segment.start; j <= segment.end; j++) {\n addPointsBelow(points, sourcePoints[j], linesBelow);\n }\n }\n return new LineElement({points, options: {}});\n}\nfunction getLinesBelow(scale, index) {\n const below = [];\n const metas = scale.getMatchingVisibleMetas('line');\n for (let i = 0; i < metas.length; i++) {\n const meta = metas[i];\n if (meta.index === index) {\n break;\n }\n if (!meta.hidden) {\n below.unshift(meta.dataset);\n }\n }\n return below;\n}\nfunction addPointsBelow(points, sourcePoint, linesBelow) {\n const postponed = [];\n for (let j = 0; j < linesBelow.length; j++) {\n const line = linesBelow[j];\n const {first, last, point} = findPoint(line, sourcePoint, 'x');\n if (!point || (first && last)) {\n continue;\n }\n if (first) {\n postponed.unshift(point);\n } else {\n points.push(point);\n if (!last) {\n break;\n }\n }\n }\n points.push(...postponed);\n}\nfunction findPoint(line, sourcePoint, property) {\n const point = line.interpolate(sourcePoint, property);\n if (!point) {\n return {};\n }\n const pointValue = point[property];\n const segments = line.segments;\n const linePoints = line.points;\n let first = false;\n let last = false;\n for (let i = 0; i < segments.length; i++) {\n const segment = segments[i];\n const firstValue = linePoints[segment.start][property];\n const lastValue = linePoints[segment.end][property];\n if (_isBetween(pointValue, firstValue, lastValue)) {\n first = pointValue === firstValue;\n last = pointValue === lastValue;\n break;\n }\n }\n return {first, last, point};\n}\n\nclass simpleArc {\n constructor(opts) {\n this.x = opts.x;\n this.y = opts.y;\n this.radius = opts.radius;\n }\n pathSegment(ctx, bounds, opts) {\n const {x, y, radius} = this;\n bounds = bounds || {start: 0, end: TAU};\n ctx.arc(x, y, radius, bounds.end, bounds.start, true);\n return !opts.bounds;\n }\n interpolate(point) {\n const {x, y, radius} = this;\n const angle = point.angle;\n return {\n x: x + Math.cos(angle) * radius,\n y: y + Math.sin(angle) * radius,\n angle\n };\n }\n}\n\nfunction _getTarget(source) {\n const {chart, fill, line} = source;\n if (isNumberFinite(fill)) {\n return getLineByIndex(chart, fill);\n }\n if (fill === 'stack') {\n return _buildStackLine(source);\n }\n if (fill === 'shape') {\n return true;\n }\n const boundary = computeBoundary(source);\n if (boundary instanceof simpleArc) {\n return boundary;\n }\n return _createBoundaryLine(boundary, line);\n}\nfunction getLineByIndex(chart, index) {\n const meta = chart.getDatasetMeta(index);\n const visible = meta && chart.isDatasetVisible(index);\n return visible ? meta.dataset : null;\n}\nfunction computeBoundary(source) {\n const scale = source.scale || {};\n if (scale.getPointPositionForValue) {\n return computeCircularBoundary(source);\n }\n return computeLinearBoundary(source);\n}\nfunction computeLinearBoundary(source) {\n const {scale = {}, fill} = source;\n const pixel = _getTargetPixel(fill, scale);\n if (isNumberFinite(pixel)) {\n const horizontal = scale.isHorizontal();\n return {\n x: horizontal ? pixel : null,\n y: horizontal ? null : pixel\n };\n }\n return null;\n}\nfunction computeCircularBoundary(source) {\n const {scale, fill} = source;\n const options = scale.options;\n const length = scale.getLabels().length;\n const start = options.reverse ? scale.max : scale.min;\n const value = _getTargetValue(fill, scale, start);\n const target = [];\n if (options.grid.circular) {\n const center = scale.getPointPositionForValue(0, start);\n return new simpleArc({\n x: center.x,\n y: center.y,\n radius: scale.getDistanceFromCenterForValue(value)\n });\n }\n for (let i = 0; i < length; ++i) {\n target.push(scale.getPointPositionForValue(i, value));\n }\n return target;\n}\n\nfunction _drawfill(ctx, source, area) {\n const target = _getTarget(source);\n const {line, scale, axis} = source;\n const lineOpts = line.options;\n const fillOption = lineOpts.fill;\n const color = lineOpts.backgroundColor;\n const {above = color, below = color} = fillOption || {};\n if (target && line.points.length) {\n clipArea(ctx, area);\n doFill(ctx, {line, target, above, below, area, scale, axis});\n unclipArea(ctx);\n }\n}\nfunction doFill(ctx, cfg) {\n const {line, target, above, below, area, scale} = cfg;\n const property = line._loop ? 'angle' : cfg.axis;\n ctx.save();\n if (property === 'x' && below !== above) {\n clipVertical(ctx, target, area.top);\n fill(ctx, {line, target, color: above, scale, property});\n ctx.restore();\n ctx.save();\n clipVertical(ctx, target, area.bottom);\n }\n fill(ctx, {line, target, color: below, scale, property});\n ctx.restore();\n}\nfunction clipVertical(ctx, target, clipY) {\n const {segments, points} = target;\n let first = true;\n let lineLoop = false;\n ctx.beginPath();\n for (const segment of segments) {\n const {start, end} = segment;\n const firstPoint = points[start];\n const lastPoint = points[_findSegmentEnd(start, end, points)];\n if (first) {\n ctx.moveTo(firstPoint.x, firstPoint.y);\n first = false;\n } else {\n ctx.lineTo(firstPoint.x, clipY);\n ctx.lineTo(firstPoint.x, firstPoint.y);\n }\n lineLoop = !!target.pathSegment(ctx, segment, {move: lineLoop});\n if (lineLoop) {\n ctx.closePath();\n } else {\n ctx.lineTo(lastPoint.x, clipY);\n }\n }\n ctx.lineTo(target.first().x, clipY);\n ctx.closePath();\n ctx.clip();\n}\nfunction fill(ctx, cfg) {\n const {line, target, property, color, scale} = cfg;\n const segments = _segments(line, target, property);\n for (const {source: src, target: tgt, start, end} of segments) {\n const {style: {backgroundColor = color} = {}} = src;\n const notShape = target !== true;\n ctx.save();\n ctx.fillStyle = backgroundColor;\n clipBounds(ctx, scale, notShape && _getBounds(property, start, end));\n ctx.beginPath();\n const lineLoop = !!line.pathSegment(ctx, src);\n let loop;\n if (notShape) {\n if (lineLoop) {\n ctx.closePath();\n } else {\n interpolatedLineTo(ctx, target, end, property);\n }\n const targetLoop = !!target.pathSegment(ctx, tgt, {move: lineLoop, reverse: true});\n loop = lineLoop && targetLoop;\n if (!loop) {\n interpolatedLineTo(ctx, target, start, property);\n }\n }\n ctx.closePath();\n ctx.fill(loop ? 'evenodd' : 'nonzero');\n ctx.restore();\n }\n}\nfunction clipBounds(ctx, scale, bounds) {\n const {top, bottom} = scale.chart.chartArea;\n const {property, start, end} = bounds || {};\n if (property === 'x') {\n ctx.beginPath();\n ctx.rect(start, top, end - start, bottom - top);\n ctx.clip();\n }\n}\nfunction interpolatedLineTo(ctx, target, point, property) {\n const interpolatedPoint = target.interpolate(point, property);\n if (interpolatedPoint) {\n ctx.lineTo(interpolatedPoint.x, interpolatedPoint.y);\n }\n}\n\nvar index = {\n id: 'filler',\n afterDatasetsUpdate(chart, _args, options) {\n const count = (chart.data.datasets || []).length;\n const sources = [];\n let meta, i, line, source;\n for (i = 0; i < count; ++i) {\n meta = chart.getDatasetMeta(i);\n line = meta.dataset;\n source = null;\n if (line && line.options && line instanceof LineElement) {\n source = {\n visible: chart.isDatasetVisible(i),\n index: i,\n fill: _decodeFill(line, i, count),\n chart,\n axis: meta.controller.options.indexAxis,\n scale: meta.vScale,\n line,\n };\n }\n meta.$filler = source;\n sources.push(source);\n }\n for (i = 0; i < count; ++i) {\n source = sources[i];\n if (!source || source.fill === false) {\n continue;\n }\n source.fill = _resolveTarget(sources, i, options.propagate);\n }\n },\n beforeDraw(chart, _args, options) {\n const draw = options.drawTime === 'beforeDraw';\n const metasets = chart.getSortedVisibleDatasetMetas();\n const area = chart.chartArea;\n for (let i = metasets.length - 1; i >= 0; --i) {\n const source = metasets[i].$filler;\n if (!source) {\n continue;\n }\n source.line.updateControlPoints(area, source.axis);\n if (draw && source.fill) {\n _drawfill(chart.ctx, source, area);\n }\n }\n },\n beforeDatasetsDraw(chart, _args, options) {\n if (options.drawTime !== 'beforeDatasetsDraw') {\n return;\n }\n const metasets = chart.getSortedVisibleDatasetMetas();\n for (let i = metasets.length - 1; i >= 0; --i) {\n const source = metasets[i].$filler;\n if (_shouldApplyFill(source)) {\n _drawfill(chart.ctx, source, chart.chartArea);\n }\n }\n },\n beforeDatasetDraw(chart, args, options) {\n const source = args.meta.$filler;\n if (!_shouldApplyFill(source) || options.drawTime !== 'beforeDatasetDraw') {\n return;\n }\n _drawfill(chart.ctx, source, chart.chartArea);\n },\n defaults: {\n propagate: true,\n drawTime: 'beforeDatasetDraw'\n }\n};\n\nconst getBoxSize = (labelOpts, fontSize) => {\n let {boxHeight = fontSize, boxWidth = fontSize} = labelOpts;\n if (labelOpts.usePointStyle) {\n boxHeight = Math.min(boxHeight, fontSize);\n boxWidth = labelOpts.pointStyleWidth || Math.min(boxWidth, fontSize);\n }\n return {\n boxWidth,\n boxHeight,\n itemHeight: Math.max(fontSize, boxHeight)\n };\n};\nconst itemsEqual = (a, b) => a !== null && b !== null && a.datasetIndex === b.datasetIndex && a.index === b.index;\nclass Legend extends Element {\n constructor(config) {\n super();\n this._added = false;\n this.legendHitBoxes = [];\n this._hoveredItem = null;\n this.doughnutMode = false;\n this.chart = config.chart;\n this.options = config.options;\n this.ctx = config.ctx;\n this.legendItems = undefined;\n this.columnSizes = undefined;\n this.lineWidths = undefined;\n this.maxHeight = undefined;\n this.maxWidth = undefined;\n this.top = undefined;\n this.bottom = undefined;\n this.left = undefined;\n this.right = undefined;\n this.height = undefined;\n this.width = undefined;\n this._margins = undefined;\n this.position = undefined;\n this.weight = undefined;\n this.fullSize = undefined;\n }\n update(maxWidth, maxHeight, margins) {\n this.maxWidth = maxWidth;\n this.maxHeight = maxHeight;\n this._margins = margins;\n this.setDimensions();\n this.buildLabels();\n this.fit();\n }\n setDimensions() {\n if (this.isHorizontal()) {\n this.width = this.maxWidth;\n this.left = this._margins.left;\n this.right = this.width;\n } else {\n this.height = this.maxHeight;\n this.top = this._margins.top;\n this.bottom = this.height;\n }\n }\n buildLabels() {\n const labelOpts = this.options.labels || {};\n let legendItems = callback(labelOpts.generateLabels, [this.chart], this) || [];\n if (labelOpts.filter) {\n legendItems = legendItems.filter((item) => labelOpts.filter(item, this.chart.data));\n }\n if (labelOpts.sort) {\n legendItems = legendItems.sort((a, b) => labelOpts.sort(a, b, this.chart.data));\n }\n if (this.options.reverse) {\n legendItems.reverse();\n }\n this.legendItems = legendItems;\n }\n fit() {\n const {options, ctx} = this;\n if (!options.display) {\n this.width = this.height = 0;\n return;\n }\n const labelOpts = options.labels;\n const labelFont = toFont(labelOpts.font);\n const fontSize = labelFont.size;\n const titleHeight = this._computeTitleHeight();\n const {boxWidth, itemHeight} = getBoxSize(labelOpts, fontSize);\n let width, height;\n ctx.font = labelFont.string;\n if (this.isHorizontal()) {\n width = this.maxWidth;\n height = this._fitRows(titleHeight, fontSize, boxWidth, itemHeight) + 10;\n } else {\n height = this.maxHeight;\n width = this._fitCols(titleHeight, fontSize, boxWidth, itemHeight) + 10;\n }\n this.width = Math.min(width, options.maxWidth || this.maxWidth);\n this.height = Math.min(height, options.maxHeight || this.maxHeight);\n }\n _fitRows(titleHeight, fontSize, boxWidth, itemHeight) {\n const {ctx, maxWidth, options: {labels: {padding}}} = this;\n const hitboxes = this.legendHitBoxes = [];\n const lineWidths = this.lineWidths = [0];\n const lineHeight = itemHeight + padding;\n let totalHeight = titleHeight;\n ctx.textAlign = 'left';\n ctx.textBaseline = 'middle';\n let row = -1;\n let top = -lineHeight;\n this.legendItems.forEach((legendItem, i) => {\n const itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;\n if (i === 0 || lineWidths[lineWidths.length - 1] + itemWidth + 2 * padding > maxWidth) {\n totalHeight += lineHeight;\n lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = 0;\n top += lineHeight;\n row++;\n }\n hitboxes[i] = {left: 0, top, row, width: itemWidth, height: itemHeight};\n lineWidths[lineWidths.length - 1] += itemWidth + padding;\n });\n return totalHeight;\n }\n _fitCols(titleHeight, fontSize, boxWidth, itemHeight) {\n const {ctx, maxHeight, options: {labels: {padding}}} = this;\n const hitboxes = this.legendHitBoxes = [];\n const columnSizes = this.columnSizes = [];\n const heightLimit = maxHeight - titleHeight;\n let totalWidth = padding;\n let currentColWidth = 0;\n let currentColHeight = 0;\n let left = 0;\n let col = 0;\n this.legendItems.forEach((legendItem, i) => {\n const itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;\n if (i > 0 && currentColHeight + itemHeight + 2 * padding > heightLimit) {\n totalWidth += currentColWidth + padding;\n columnSizes.push({width: currentColWidth, height: currentColHeight});\n left += currentColWidth + padding;\n col++;\n currentColWidth = currentColHeight = 0;\n }\n hitboxes[i] = {left, top: currentColHeight, col, width: itemWidth, height: itemHeight};\n currentColWidth = Math.max(currentColWidth, itemWidth);\n currentColHeight += itemHeight + padding;\n });\n totalWidth += currentColWidth;\n columnSizes.push({width: currentColWidth, height: currentColHeight});\n return totalWidth;\n }\n adjustHitBoxes() {\n if (!this.options.display) {\n return;\n }\n const titleHeight = this._computeTitleHeight();\n const {legendHitBoxes: hitboxes, options: {align, labels: {padding}, rtl}} = this;\n const rtlHelper = getRtlAdapter(rtl, this.left, this.width);\n if (this.isHorizontal()) {\n let row = 0;\n let left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]);\n for (const hitbox of hitboxes) {\n if (row !== hitbox.row) {\n row = hitbox.row;\n left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]);\n }\n hitbox.top += this.top + titleHeight + padding;\n hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(left), hitbox.width);\n left += hitbox.width + padding;\n }\n } else {\n let col = 0;\n let top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height);\n for (const hitbox of hitboxes) {\n if (hitbox.col !== col) {\n col = hitbox.col;\n top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height);\n }\n hitbox.top = top;\n hitbox.left += this.left + padding;\n hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(hitbox.left), hitbox.width);\n top += hitbox.height + padding;\n }\n }\n }\n isHorizontal() {\n return this.options.position === 'top' || this.options.position === 'bottom';\n }\n draw() {\n if (this.options.display) {\n const ctx = this.ctx;\n clipArea(ctx, this);\n this._draw();\n unclipArea(ctx);\n }\n }\n _draw() {\n const {options: opts, columnSizes, lineWidths, ctx} = this;\n const {align, labels: labelOpts} = opts;\n const defaultColor = defaults.color;\n const rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width);\n const labelFont = toFont(labelOpts.font);\n const {color: fontColor, padding} = labelOpts;\n const fontSize = labelFont.size;\n const halfFontSize = fontSize / 2;\n let cursor;\n this.drawTitle();\n ctx.textAlign = rtlHelper.textAlign('left');\n ctx.textBaseline = 'middle';\n ctx.lineWidth = 0.5;\n ctx.font = labelFont.string;\n const {boxWidth, boxHeight, itemHeight} = getBoxSize(labelOpts, fontSize);\n const drawLegendBox = function(x, y, legendItem) {\n if (isNaN(boxWidth) || boxWidth <= 0 || isNaN(boxHeight) || boxHeight < 0) {\n return;\n }\n ctx.save();\n const lineWidth = valueOrDefault(legendItem.lineWidth, 1);\n ctx.fillStyle = valueOrDefault(legendItem.fillStyle, defaultColor);\n ctx.lineCap = valueOrDefault(legendItem.lineCap, 'butt');\n ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, 0);\n ctx.lineJoin = valueOrDefault(legendItem.lineJoin, 'miter');\n ctx.lineWidth = lineWidth;\n ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, defaultColor);\n ctx.setLineDash(valueOrDefault(legendItem.lineDash, []));\n if (labelOpts.usePointStyle) {\n const drawOptions = {\n radius: boxHeight * Math.SQRT2 / 2,\n pointStyle: legendItem.pointStyle,\n rotation: legendItem.rotation,\n borderWidth: lineWidth\n };\n const centerX = rtlHelper.xPlus(x, boxWidth / 2);\n const centerY = y + halfFontSize;\n drawPointLegend(ctx, drawOptions, centerX, centerY, labelOpts.pointStyleWidth && boxWidth);\n } else {\n const yBoxTop = y + Math.max((fontSize - boxHeight) / 2, 0);\n const xBoxLeft = rtlHelper.leftForLtr(x, boxWidth);\n const borderRadius = toTRBLCorners(legendItem.borderRadius);\n ctx.beginPath();\n if (Object.values(borderRadius).some(v => v !== 0)) {\n addRoundedRectPath(ctx, {\n x: xBoxLeft,\n y: yBoxTop,\n w: boxWidth,\n h: boxHeight,\n radius: borderRadius,\n });\n } else {\n ctx.rect(xBoxLeft, yBoxTop, boxWidth, boxHeight);\n }\n ctx.fill();\n if (lineWidth !== 0) {\n ctx.stroke();\n }\n }\n ctx.restore();\n };\n const fillText = function(x, y, legendItem) {\n renderText(ctx, legendItem.text, x, y + (itemHeight / 2), labelFont, {\n strikethrough: legendItem.hidden,\n textAlign: rtlHelper.textAlign(legendItem.textAlign)\n });\n };\n const isHorizontal = this.isHorizontal();\n const titleHeight = this._computeTitleHeight();\n if (isHorizontal) {\n cursor = {\n x: _alignStartEnd(align, this.left + padding, this.right - lineWidths[0]),\n y: this.top + padding + titleHeight,\n line: 0\n };\n } else {\n cursor = {\n x: this.left + padding,\n y: _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[0].height),\n line: 0\n };\n }\n overrideTextDirection(this.ctx, opts.textDirection);\n const lineHeight = itemHeight + padding;\n this.legendItems.forEach((legendItem, i) => {\n ctx.strokeStyle = legendItem.fontColor || fontColor;\n ctx.fillStyle = legendItem.fontColor || fontColor;\n const textWidth = ctx.measureText(legendItem.text).width;\n const textAlign = rtlHelper.textAlign(legendItem.textAlign || (legendItem.textAlign = labelOpts.textAlign));\n const width = boxWidth + halfFontSize + textWidth;\n let x = cursor.x;\n let y = cursor.y;\n rtlHelper.setWidth(this.width);\n if (isHorizontal) {\n if (i > 0 && x + width + padding > this.right) {\n y = cursor.y += lineHeight;\n cursor.line++;\n x = cursor.x = _alignStartEnd(align, this.left + padding, this.right - lineWidths[cursor.line]);\n }\n } else if (i > 0 && y + lineHeight > this.bottom) {\n x = cursor.x = x + columnSizes[cursor.line].width + padding;\n cursor.line++;\n y = cursor.y = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[cursor.line].height);\n }\n const realX = rtlHelper.x(x);\n drawLegendBox(realX, y, legendItem);\n x = _textX(textAlign, x + boxWidth + halfFontSize, isHorizontal ? x + width : this.right, opts.rtl);\n fillText(rtlHelper.x(x), y, legendItem);\n if (isHorizontal) {\n cursor.x += width + padding;\n } else {\n cursor.y += lineHeight;\n }\n });\n restoreTextDirection(this.ctx, opts.textDirection);\n }\n drawTitle() {\n const opts = this.options;\n const titleOpts = opts.title;\n const titleFont = toFont(titleOpts.font);\n const titlePadding = toPadding(titleOpts.padding);\n if (!titleOpts.display) {\n return;\n }\n const rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width);\n const ctx = this.ctx;\n const position = titleOpts.position;\n const halfFontSize = titleFont.size / 2;\n const topPaddingPlusHalfFontSize = titlePadding.top + halfFontSize;\n let y;\n let left = this.left;\n let maxWidth = this.width;\n if (this.isHorizontal()) {\n maxWidth = Math.max(...this.lineWidths);\n y = this.top + topPaddingPlusHalfFontSize;\n left = _alignStartEnd(opts.align, left, this.right - maxWidth);\n } else {\n const maxHeight = this.columnSizes.reduce((acc, size) => Math.max(acc, size.height), 0);\n y = topPaddingPlusHalfFontSize + _alignStartEnd(opts.align, this.top, this.bottom - maxHeight - opts.labels.padding - this._computeTitleHeight());\n }\n const x = _alignStartEnd(position, left, left + maxWidth);\n ctx.textAlign = rtlHelper.textAlign(_toLeftRightCenter(position));\n ctx.textBaseline = 'middle';\n ctx.strokeStyle = titleOpts.color;\n ctx.fillStyle = titleOpts.color;\n ctx.font = titleFont.string;\n renderText(ctx, titleOpts.text, x, y, titleFont);\n }\n _computeTitleHeight() {\n const titleOpts = this.options.title;\n const titleFont = toFont(titleOpts.font);\n const titlePadding = toPadding(titleOpts.padding);\n return titleOpts.display ? titleFont.lineHeight + titlePadding.height : 0;\n }\n _getLegendItemAt(x, y) {\n let i, hitBox, lh;\n if (_isBetween(x, this.left, this.right)\n && _isBetween(y, this.top, this.bottom)) {\n lh = this.legendHitBoxes;\n for (i = 0; i < lh.length; ++i) {\n hitBox = lh[i];\n if (_isBetween(x, hitBox.left, hitBox.left + hitBox.width)\n && _isBetween(y, hitBox.top, hitBox.top + hitBox.height)) {\n return this.legendItems[i];\n }\n }\n }\n return null;\n }\n handleEvent(e) {\n const opts = this.options;\n if (!isListened(e.type, opts)) {\n return;\n }\n const hoveredItem = this._getLegendItemAt(e.x, e.y);\n if (e.type === 'mousemove' || e.type === 'mouseout') {\n const previous = this._hoveredItem;\n const sameItem = itemsEqual(previous, hoveredItem);\n if (previous && !sameItem) {\n callback(opts.onLeave, [e, previous, this], this);\n }\n this._hoveredItem = hoveredItem;\n if (hoveredItem && !sameItem) {\n callback(opts.onHover, [e, hoveredItem, this], this);\n }\n } else if (hoveredItem) {\n callback(opts.onClick, [e, hoveredItem, this], this);\n }\n }\n}\nfunction isListened(type, opts) {\n if ((type === 'mousemove' || type === 'mouseout') && (opts.onHover || opts.onLeave)) {\n return true;\n }\n if (opts.onClick && (type === 'click' || type === 'mouseup')) {\n return true;\n }\n return false;\n}\nvar plugin_legend = {\n id: 'legend',\n _element: Legend,\n start(chart, _args, options) {\n const legend = chart.legend = new Legend({ctx: chart.ctx, options, chart});\n layouts.configure(chart, legend, options);\n layouts.addBox(chart, legend);\n },\n stop(chart) {\n layouts.removeBox(chart, chart.legend);\n delete chart.legend;\n },\n beforeUpdate(chart, _args, options) {\n const legend = chart.legend;\n layouts.configure(chart, legend, options);\n legend.options = options;\n },\n afterUpdate(chart) {\n const legend = chart.legend;\n legend.buildLabels();\n legend.adjustHitBoxes();\n },\n afterEvent(chart, args) {\n if (!args.replay) {\n chart.legend.handleEvent(args.event);\n }\n },\n defaults: {\n display: true,\n position: 'top',\n align: 'center',\n fullSize: true,\n reverse: false,\n weight: 1000,\n onClick(e, legendItem, legend) {\n const index = legendItem.datasetIndex;\n const ci = legend.chart;\n if (ci.isDatasetVisible(index)) {\n ci.hide(index);\n legendItem.hidden = true;\n } else {\n ci.show(index);\n legendItem.hidden = false;\n }\n },\n onHover: null,\n onLeave: null,\n labels: {\n color: (ctx) => ctx.chart.options.color,\n boxWidth: 40,\n padding: 10,\n generateLabels(chart) {\n const datasets = chart.data.datasets;\n const {labels: {usePointStyle, pointStyle, textAlign, color}} = chart.legend.options;\n return chart._getSortedDatasetMetas().map((meta) => {\n const style = meta.controller.getStyle(usePointStyle ? 0 : undefined);\n const borderWidth = toPadding(style.borderWidth);\n return {\n text: datasets[meta.index].label,\n fillStyle: style.backgroundColor,\n fontColor: color,\n hidden: !meta.visible,\n lineCap: style.borderCapStyle,\n lineDash: style.borderDash,\n lineDashOffset: style.borderDashOffset,\n lineJoin: style.borderJoinStyle,\n lineWidth: (borderWidth.width + borderWidth.height) / 4,\n strokeStyle: style.borderColor,\n pointStyle: pointStyle || style.pointStyle,\n rotation: style.rotation,\n textAlign: textAlign || style.textAlign,\n borderRadius: 0,\n datasetIndex: meta.index\n };\n }, this);\n }\n },\n title: {\n color: (ctx) => ctx.chart.options.color,\n display: false,\n position: 'center',\n text: '',\n }\n },\n descriptors: {\n _scriptable: (name) => !name.startsWith('on'),\n labels: {\n _scriptable: (name) => !['generateLabels', 'filter', 'sort'].includes(name),\n }\n },\n};\n\nclass Title extends Element {\n constructor(config) {\n super();\n this.chart = config.chart;\n this.options = config.options;\n this.ctx = config.ctx;\n this._padding = undefined;\n this.top = undefined;\n this.bottom = undefined;\n this.left = undefined;\n this.right = undefined;\n this.width = undefined;\n this.height = undefined;\n this.position = undefined;\n this.weight = undefined;\n this.fullSize = undefined;\n }\n update(maxWidth, maxHeight) {\n const opts = this.options;\n this.left = 0;\n this.top = 0;\n if (!opts.display) {\n this.width = this.height = this.right = this.bottom = 0;\n return;\n }\n this.width = this.right = maxWidth;\n this.height = this.bottom = maxHeight;\n const lineCount = isArray(opts.text) ? opts.text.length : 1;\n this._padding = toPadding(opts.padding);\n const textSize = lineCount * toFont(opts.font).lineHeight + this._padding.height;\n if (this.isHorizontal()) {\n this.height = textSize;\n } else {\n this.width = textSize;\n }\n }\n isHorizontal() {\n const pos = this.options.position;\n return pos === 'top' || pos === 'bottom';\n }\n _drawArgs(offset) {\n const {top, left, bottom, right, options} = this;\n const align = options.align;\n let rotation = 0;\n let maxWidth, titleX, titleY;\n if (this.isHorizontal()) {\n titleX = _alignStartEnd(align, left, right);\n titleY = top + offset;\n maxWidth = right - left;\n } else {\n if (options.position === 'left') {\n titleX = left + offset;\n titleY = _alignStartEnd(align, bottom, top);\n rotation = PI * -0.5;\n } else {\n titleX = right - offset;\n titleY = _alignStartEnd(align, top, bottom);\n rotation = PI * 0.5;\n }\n maxWidth = bottom - top;\n }\n return {titleX, titleY, maxWidth, rotation};\n }\n draw() {\n const ctx = this.ctx;\n const opts = this.options;\n if (!opts.display) {\n return;\n }\n const fontOpts = toFont(opts.font);\n const lineHeight = fontOpts.lineHeight;\n const offset = lineHeight / 2 + this._padding.top;\n const {titleX, titleY, maxWidth, rotation} = this._drawArgs(offset);\n renderText(ctx, opts.text, 0, 0, fontOpts, {\n color: opts.color,\n maxWidth,\n rotation,\n textAlign: _toLeftRightCenter(opts.align),\n textBaseline: 'middle',\n translation: [titleX, titleY],\n });\n }\n}\nfunction createTitle(chart, titleOpts) {\n const title = new Title({\n ctx: chart.ctx,\n options: titleOpts,\n chart\n });\n layouts.configure(chart, title, titleOpts);\n layouts.addBox(chart, title);\n chart.titleBlock = title;\n}\nvar plugin_title = {\n id: 'title',\n _element: Title,\n start(chart, _args, options) {\n createTitle(chart, options);\n },\n stop(chart) {\n const titleBlock = chart.titleBlock;\n layouts.removeBox(chart, titleBlock);\n delete chart.titleBlock;\n },\n beforeUpdate(chart, _args, options) {\n const title = chart.titleBlock;\n layouts.configure(chart, title, options);\n title.options = options;\n },\n defaults: {\n align: 'center',\n display: false,\n font: {\n weight: 'bold',\n },\n fullSize: true,\n padding: 10,\n position: 'top',\n text: '',\n weight: 2000\n },\n defaultRoutes: {\n color: 'color'\n },\n descriptors: {\n _scriptable: true,\n _indexable: false,\n },\n};\n\nconst map = new WeakMap();\nvar plugin_subtitle = {\n id: 'subtitle',\n start(chart, _args, options) {\n const title = new Title({\n ctx: chart.ctx,\n options,\n chart\n });\n layouts.configure(chart, title, options);\n layouts.addBox(chart, title);\n map.set(chart, title);\n },\n stop(chart) {\n layouts.removeBox(chart, map.get(chart));\n map.delete(chart);\n },\n beforeUpdate(chart, _args, options) {\n const title = map.get(chart);\n layouts.configure(chart, title, options);\n title.options = options;\n },\n defaults: {\n align: 'center',\n display: false,\n font: {\n weight: 'normal',\n },\n fullSize: true,\n padding: 0,\n position: 'top',\n text: '',\n weight: 1500\n },\n defaultRoutes: {\n color: 'color'\n },\n descriptors: {\n _scriptable: true,\n _indexable: false,\n },\n};\n\nconst positioners = {\n average(items) {\n if (!items.length) {\n return false;\n }\n let i, len;\n let x = 0;\n let y = 0;\n let count = 0;\n for (i = 0, len = items.length; i < len; ++i) {\n const el = items[i].element;\n if (el && el.hasValue()) {\n const pos = el.tooltipPosition();\n x += pos.x;\n y += pos.y;\n ++count;\n }\n }\n return {\n x: x / count,\n y: y / count\n };\n },\n nearest(items, eventPosition) {\n if (!items.length) {\n return false;\n }\n let x = eventPosition.x;\n let y = eventPosition.y;\n let minDistance = Number.POSITIVE_INFINITY;\n let i, len, nearestElement;\n for (i = 0, len = items.length; i < len; ++i) {\n const el = items[i].element;\n if (el && el.hasValue()) {\n const center = el.getCenterPoint();\n const d = distanceBetweenPoints(eventPosition, center);\n if (d < minDistance) {\n minDistance = d;\n nearestElement = el;\n }\n }\n }\n if (nearestElement) {\n const tp = nearestElement.tooltipPosition();\n x = tp.x;\n y = tp.y;\n }\n return {\n x,\n y\n };\n }\n};\nfunction pushOrConcat(base, toPush) {\n if (toPush) {\n if (isArray(toPush)) {\n Array.prototype.push.apply(base, toPush);\n } else {\n base.push(toPush);\n }\n }\n return base;\n}\nfunction splitNewlines(str) {\n if ((typeof str === 'string' || str instanceof String) && str.indexOf('\\n') > -1) {\n return str.split('\\n');\n }\n return str;\n}\nfunction createTooltipItem(chart, item) {\n const {element, datasetIndex, index} = item;\n const controller = chart.getDatasetMeta(datasetIndex).controller;\n const {label, value} = controller.getLabelAndValue(index);\n return {\n chart,\n label,\n parsed: controller.getParsed(index),\n raw: chart.data.datasets[datasetIndex].data[index],\n formattedValue: value,\n dataset: controller.getDataset(),\n dataIndex: index,\n datasetIndex,\n element\n };\n}\nfunction getTooltipSize(tooltip, options) {\n const ctx = tooltip.chart.ctx;\n const {body, footer, title} = tooltip;\n const {boxWidth, boxHeight} = options;\n const bodyFont = toFont(options.bodyFont);\n const titleFont = toFont(options.titleFont);\n const footerFont = toFont(options.footerFont);\n const titleLineCount = title.length;\n const footerLineCount = footer.length;\n const bodyLineItemCount = body.length;\n const padding = toPadding(options.padding);\n let height = padding.height;\n let width = 0;\n let combinedBodyLength = body.reduce((count, bodyItem) => count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length, 0);\n combinedBodyLength += tooltip.beforeBody.length + tooltip.afterBody.length;\n if (titleLineCount) {\n height += titleLineCount * titleFont.lineHeight\n\t\t\t+ (titleLineCount - 1) * options.titleSpacing\n\t\t\t+ options.titleMarginBottom;\n }\n if (combinedBodyLength) {\n const bodyLineHeight = options.displayColors ? Math.max(boxHeight, bodyFont.lineHeight) : bodyFont.lineHeight;\n height += bodyLineItemCount * bodyLineHeight\n\t\t\t+ (combinedBodyLength - bodyLineItemCount) * bodyFont.lineHeight\n\t\t\t+ (combinedBodyLength - 1) * options.bodySpacing;\n }\n if (footerLineCount) {\n height += options.footerMarginTop\n\t\t\t+ footerLineCount * footerFont.lineHeight\n\t\t\t+ (footerLineCount - 1) * options.footerSpacing;\n }\n let widthPadding = 0;\n const maxLineWidth = function(line) {\n width = Math.max(width, ctx.measureText(line).width + widthPadding);\n };\n ctx.save();\n ctx.font = titleFont.string;\n each(tooltip.title, maxLineWidth);\n ctx.font = bodyFont.string;\n each(tooltip.beforeBody.concat(tooltip.afterBody), maxLineWidth);\n widthPadding = options.displayColors ? (boxWidth + 2 + options.boxPadding) : 0;\n each(body, (bodyItem) => {\n each(bodyItem.before, maxLineWidth);\n each(bodyItem.lines, maxLineWidth);\n each(bodyItem.after, maxLineWidth);\n });\n widthPadding = 0;\n ctx.font = footerFont.string;\n each(tooltip.footer, maxLineWidth);\n ctx.restore();\n width += padding.width;\n return {width, height};\n}\nfunction determineYAlign(chart, size) {\n const {y, height} = size;\n if (y < height / 2) {\n return 'top';\n } else if (y > (chart.height - height / 2)) {\n return 'bottom';\n }\n return 'center';\n}\nfunction doesNotFitWithAlign(xAlign, chart, options, size) {\n const {x, width} = size;\n const caret = options.caretSize + options.caretPadding;\n if (xAlign === 'left' && x + width + caret > chart.width) {\n return true;\n }\n if (xAlign === 'right' && x - width - caret < 0) {\n return true;\n }\n}\nfunction determineXAlign(chart, options, size, yAlign) {\n const {x, width} = size;\n const {width: chartWidth, chartArea: {left, right}} = chart;\n let xAlign = 'center';\n if (yAlign === 'center') {\n xAlign = x <= (left + right) / 2 ? 'left' : 'right';\n } else if (x <= width / 2) {\n xAlign = 'left';\n } else if (x >= chartWidth - width / 2) {\n xAlign = 'right';\n }\n if (doesNotFitWithAlign(xAlign, chart, options, size)) {\n xAlign = 'center';\n }\n return xAlign;\n}\nfunction determineAlignment(chart, options, size) {\n const yAlign = size.yAlign || options.yAlign || determineYAlign(chart, size);\n return {\n xAlign: size.xAlign || options.xAlign || determineXAlign(chart, options, size, yAlign),\n yAlign\n };\n}\nfunction alignX(size, xAlign) {\n let {x, width} = size;\n if (xAlign === 'right') {\n x -= width;\n } else if (xAlign === 'center') {\n x -= (width / 2);\n }\n return x;\n}\nfunction alignY(size, yAlign, paddingAndSize) {\n let {y, height} = size;\n if (yAlign === 'top') {\n y += paddingAndSize;\n } else if (yAlign === 'bottom') {\n y -= height + paddingAndSize;\n } else {\n y -= (height / 2);\n }\n return y;\n}\nfunction getBackgroundPoint(options, size, alignment, chart) {\n const {caretSize, caretPadding, cornerRadius} = options;\n const {xAlign, yAlign} = alignment;\n const paddingAndSize = caretSize + caretPadding;\n const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(cornerRadius);\n let x = alignX(size, xAlign);\n const y = alignY(size, yAlign, paddingAndSize);\n if (yAlign === 'center') {\n if (xAlign === 'left') {\n x += paddingAndSize;\n } else if (xAlign === 'right') {\n x -= paddingAndSize;\n }\n } else if (xAlign === 'left') {\n x -= Math.max(topLeft, bottomLeft) + caretSize;\n } else if (xAlign === 'right') {\n x += Math.max(topRight, bottomRight) + caretSize;\n }\n return {\n x: _limitValue(x, 0, chart.width - size.width),\n y: _limitValue(y, 0, chart.height - size.height)\n };\n}\nfunction getAlignedX(tooltip, align, options) {\n const padding = toPadding(options.padding);\n return align === 'center'\n ? tooltip.x + tooltip.width / 2\n : align === 'right'\n ? tooltip.x + tooltip.width - padding.right\n : tooltip.x + padding.left;\n}\nfunction getBeforeAfterBodyLines(callback) {\n return pushOrConcat([], splitNewlines(callback));\n}\nfunction createTooltipContext(parent, tooltip, tooltipItems) {\n return createContext(parent, {\n tooltip,\n tooltipItems,\n type: 'tooltip'\n });\n}\nfunction overrideCallbacks(callbacks, context) {\n const override = context && context.dataset && context.dataset.tooltip && context.dataset.tooltip.callbacks;\n return override ? callbacks.override(override) : callbacks;\n}\nclass Tooltip extends Element {\n constructor(config) {\n super();\n this.opacity = 0;\n this._active = [];\n this._eventPosition = undefined;\n this._size = undefined;\n this._cachedAnimations = undefined;\n this._tooltipItems = [];\n this.$animations = undefined;\n this.$context = undefined;\n this.chart = config.chart || config._chart;\n this._chart = this.chart;\n this.options = config.options;\n this.dataPoints = undefined;\n this.title = undefined;\n this.beforeBody = undefined;\n this.body = undefined;\n this.afterBody = undefined;\n this.footer = undefined;\n this.xAlign = undefined;\n this.yAlign = undefined;\n this.x = undefined;\n this.y = undefined;\n this.height = undefined;\n this.width = undefined;\n this.caretX = undefined;\n this.caretY = undefined;\n this.labelColors = undefined;\n this.labelPointStyles = undefined;\n this.labelTextColors = undefined;\n }\n initialize(options) {\n this.options = options;\n this._cachedAnimations = undefined;\n this.$context = undefined;\n }\n _resolveAnimations() {\n const cached = this._cachedAnimations;\n if (cached) {\n return cached;\n }\n const chart = this.chart;\n const options = this.options.setContext(this.getContext());\n const opts = options.enabled && chart.options.animation && options.animations;\n const animations = new Animations(this.chart, opts);\n if (opts._cacheable) {\n this._cachedAnimations = Object.freeze(animations);\n }\n return animations;\n }\n getContext() {\n return this.$context ||\n\t\t\t(this.$context = createTooltipContext(this.chart.getContext(), this, this._tooltipItems));\n }\n getTitle(context, options) {\n const {callbacks} = options;\n const beforeTitle = callbacks.beforeTitle.apply(this, [context]);\n const title = callbacks.title.apply(this, [context]);\n const afterTitle = callbacks.afterTitle.apply(this, [context]);\n let lines = [];\n lines = pushOrConcat(lines, splitNewlines(beforeTitle));\n lines = pushOrConcat(lines, splitNewlines(title));\n lines = pushOrConcat(lines, splitNewlines(afterTitle));\n return lines;\n }\n getBeforeBody(tooltipItems, options) {\n return getBeforeAfterBodyLines(options.callbacks.beforeBody.apply(this, [tooltipItems]));\n }\n getBody(tooltipItems, options) {\n const {callbacks} = options;\n const bodyItems = [];\n each(tooltipItems, (context) => {\n const bodyItem = {\n before: [],\n lines: [],\n after: []\n };\n const scoped = overrideCallbacks(callbacks, context);\n pushOrConcat(bodyItem.before, splitNewlines(scoped.beforeLabel.call(this, context)));\n pushOrConcat(bodyItem.lines, scoped.label.call(this, context));\n pushOrConcat(bodyItem.after, splitNewlines(scoped.afterLabel.call(this, context)));\n bodyItems.push(bodyItem);\n });\n return bodyItems;\n }\n getAfterBody(tooltipItems, options) {\n return getBeforeAfterBodyLines(options.callbacks.afterBody.apply(this, [tooltipItems]));\n }\n getFooter(tooltipItems, options) {\n const {callbacks} = options;\n const beforeFooter = callbacks.beforeFooter.apply(this, [tooltipItems]);\n const footer = callbacks.footer.apply(this, [tooltipItems]);\n const afterFooter = callbacks.afterFooter.apply(this, [tooltipItems]);\n let lines = [];\n lines = pushOrConcat(lines, splitNewlines(beforeFooter));\n lines = pushOrConcat(lines, splitNewlines(footer));\n lines = pushOrConcat(lines, splitNewlines(afterFooter));\n return lines;\n }\n _createItems(options) {\n const active = this._active;\n const data = this.chart.data;\n const labelColors = [];\n const labelPointStyles = [];\n const labelTextColors = [];\n let tooltipItems = [];\n let i, len;\n for (i = 0, len = active.length; i < len; ++i) {\n tooltipItems.push(createTooltipItem(this.chart, active[i]));\n }\n if (options.filter) {\n tooltipItems = tooltipItems.filter((element, index, array) => options.filter(element, index, array, data));\n }\n if (options.itemSort) {\n tooltipItems = tooltipItems.sort((a, b) => options.itemSort(a, b, data));\n }\n each(tooltipItems, (context) => {\n const scoped = overrideCallbacks(options.callbacks, context);\n labelColors.push(scoped.labelColor.call(this, context));\n labelPointStyles.push(scoped.labelPointStyle.call(this, context));\n labelTextColors.push(scoped.labelTextColor.call(this, context));\n });\n this.labelColors = labelColors;\n this.labelPointStyles = labelPointStyles;\n this.labelTextColors = labelTextColors;\n this.dataPoints = tooltipItems;\n return tooltipItems;\n }\n update(changed, replay) {\n const options = this.options.setContext(this.getContext());\n const active = this._active;\n let properties;\n let tooltipItems = [];\n if (!active.length) {\n if (this.opacity !== 0) {\n properties = {\n opacity: 0\n };\n }\n } else {\n const position = positioners[options.position].call(this, active, this._eventPosition);\n tooltipItems = this._createItems(options);\n this.title = this.getTitle(tooltipItems, options);\n this.beforeBody = this.getBeforeBody(tooltipItems, options);\n this.body = this.getBody(tooltipItems, options);\n this.afterBody = this.getAfterBody(tooltipItems, options);\n this.footer = this.getFooter(tooltipItems, options);\n const size = this._size = getTooltipSize(this, options);\n const positionAndSize = Object.assign({}, position, size);\n const alignment = determineAlignment(this.chart, options, positionAndSize);\n const backgroundPoint = getBackgroundPoint(options, positionAndSize, alignment, this.chart);\n this.xAlign = alignment.xAlign;\n this.yAlign = alignment.yAlign;\n properties = {\n opacity: 1,\n x: backgroundPoint.x,\n y: backgroundPoint.y,\n width: size.width,\n height: size.height,\n caretX: position.x,\n caretY: position.y\n };\n }\n this._tooltipItems = tooltipItems;\n this.$context = undefined;\n if (properties) {\n this._resolveAnimations().update(this, properties);\n }\n if (changed && options.external) {\n options.external.call(this, {chart: this.chart, tooltip: this, replay});\n }\n }\n drawCaret(tooltipPoint, ctx, size, options) {\n const caretPosition = this.getCaretPosition(tooltipPoint, size, options);\n ctx.lineTo(caretPosition.x1, caretPosition.y1);\n ctx.lineTo(caretPosition.x2, caretPosition.y2);\n ctx.lineTo(caretPosition.x3, caretPosition.y3);\n }\n getCaretPosition(tooltipPoint, size, options) {\n const {xAlign, yAlign} = this;\n const {caretSize, cornerRadius} = options;\n const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(cornerRadius);\n const {x: ptX, y: ptY} = tooltipPoint;\n const {width, height} = size;\n let x1, x2, x3, y1, y2, y3;\n if (yAlign === 'center') {\n y2 = ptY + (height / 2);\n if (xAlign === 'left') {\n x1 = ptX;\n x2 = x1 - caretSize;\n y1 = y2 + caretSize;\n y3 = y2 - caretSize;\n } else {\n x1 = ptX + width;\n x2 = x1 + caretSize;\n y1 = y2 - caretSize;\n y3 = y2 + caretSize;\n }\n x3 = x1;\n } else {\n if (xAlign === 'left') {\n x2 = ptX + Math.max(topLeft, bottomLeft) + (caretSize);\n } else if (xAlign === 'right') {\n x2 = ptX + width - Math.max(topRight, bottomRight) - caretSize;\n } else {\n x2 = this.caretX;\n }\n if (yAlign === 'top') {\n y1 = ptY;\n y2 = y1 - caretSize;\n x1 = x2 - caretSize;\n x3 = x2 + caretSize;\n } else {\n y1 = ptY + height;\n y2 = y1 + caretSize;\n x1 = x2 + caretSize;\n x3 = x2 - caretSize;\n }\n y3 = y1;\n }\n return {x1, x2, x3, y1, y2, y3};\n }\n drawTitle(pt, ctx, options) {\n const title = this.title;\n const length = title.length;\n let titleFont, titleSpacing, i;\n if (length) {\n const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width);\n pt.x = getAlignedX(this, options.titleAlign, options);\n ctx.textAlign = rtlHelper.textAlign(options.titleAlign);\n ctx.textBaseline = 'middle';\n titleFont = toFont(options.titleFont);\n titleSpacing = options.titleSpacing;\n ctx.fillStyle = options.titleColor;\n ctx.font = titleFont.string;\n for (i = 0; i < length; ++i) {\n ctx.fillText(title[i], rtlHelper.x(pt.x), pt.y + titleFont.lineHeight / 2);\n pt.y += titleFont.lineHeight + titleSpacing;\n if (i + 1 === length) {\n pt.y += options.titleMarginBottom - titleSpacing;\n }\n }\n }\n }\n _drawColorBox(ctx, pt, i, rtlHelper, options) {\n const labelColors = this.labelColors[i];\n const labelPointStyle = this.labelPointStyles[i];\n const {boxHeight, boxWidth, boxPadding} = options;\n const bodyFont = toFont(options.bodyFont);\n const colorX = getAlignedX(this, 'left', options);\n const rtlColorX = rtlHelper.x(colorX);\n const yOffSet = boxHeight < bodyFont.lineHeight ? (bodyFont.lineHeight - boxHeight) / 2 : 0;\n const colorY = pt.y + yOffSet;\n if (options.usePointStyle) {\n const drawOptions = {\n radius: Math.min(boxWidth, boxHeight) / 2,\n pointStyle: labelPointStyle.pointStyle,\n rotation: labelPointStyle.rotation,\n borderWidth: 1\n };\n const centerX = rtlHelper.leftForLtr(rtlColorX, boxWidth) + boxWidth / 2;\n const centerY = colorY + boxHeight / 2;\n ctx.strokeStyle = options.multiKeyBackground;\n ctx.fillStyle = options.multiKeyBackground;\n drawPoint(ctx, drawOptions, centerX, centerY);\n ctx.strokeStyle = labelColors.borderColor;\n ctx.fillStyle = labelColors.backgroundColor;\n drawPoint(ctx, drawOptions, centerX, centerY);\n } else {\n ctx.lineWidth = isObject(labelColors.borderWidth) ? Math.max(...Object.values(labelColors.borderWidth)) : (labelColors.borderWidth || 1);\n ctx.strokeStyle = labelColors.borderColor;\n ctx.setLineDash(labelColors.borderDash || []);\n ctx.lineDashOffset = labelColors.borderDashOffset || 0;\n const outerX = rtlHelper.leftForLtr(rtlColorX, boxWidth - boxPadding);\n const innerX = rtlHelper.leftForLtr(rtlHelper.xPlus(rtlColorX, 1), boxWidth - boxPadding - 2);\n const borderRadius = toTRBLCorners(labelColors.borderRadius);\n if (Object.values(borderRadius).some(v => v !== 0)) {\n ctx.beginPath();\n ctx.fillStyle = options.multiKeyBackground;\n addRoundedRectPath(ctx, {\n x: outerX,\n y: colorY,\n w: boxWidth,\n h: boxHeight,\n radius: borderRadius,\n });\n ctx.fill();\n ctx.stroke();\n ctx.fillStyle = labelColors.backgroundColor;\n ctx.beginPath();\n addRoundedRectPath(ctx, {\n x: innerX,\n y: colorY + 1,\n w: boxWidth - 2,\n h: boxHeight - 2,\n radius: borderRadius,\n });\n ctx.fill();\n } else {\n ctx.fillStyle = options.multiKeyBackground;\n ctx.fillRect(outerX, colorY, boxWidth, boxHeight);\n ctx.strokeRect(outerX, colorY, boxWidth, boxHeight);\n ctx.fillStyle = labelColors.backgroundColor;\n ctx.fillRect(innerX, colorY + 1, boxWidth - 2, boxHeight - 2);\n }\n }\n ctx.fillStyle = this.labelTextColors[i];\n }\n drawBody(pt, ctx, options) {\n const {body} = this;\n const {bodySpacing, bodyAlign, displayColors, boxHeight, boxWidth, boxPadding} = options;\n const bodyFont = toFont(options.bodyFont);\n let bodyLineHeight = bodyFont.lineHeight;\n let xLinePadding = 0;\n const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width);\n const fillLineOfText = function(line) {\n ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyLineHeight / 2);\n pt.y += bodyLineHeight + bodySpacing;\n };\n const bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign);\n let bodyItem, textColor, lines, i, j, ilen, jlen;\n ctx.textAlign = bodyAlign;\n ctx.textBaseline = 'middle';\n ctx.font = bodyFont.string;\n pt.x = getAlignedX(this, bodyAlignForCalculation, options);\n ctx.fillStyle = options.bodyColor;\n each(this.beforeBody, fillLineOfText);\n xLinePadding = displayColors && bodyAlignForCalculation !== 'right'\n ? bodyAlign === 'center' ? (boxWidth / 2 + boxPadding) : (boxWidth + 2 + boxPadding)\n : 0;\n for (i = 0, ilen = body.length; i < ilen; ++i) {\n bodyItem = body[i];\n textColor = this.labelTextColors[i];\n ctx.fillStyle = textColor;\n each(bodyItem.before, fillLineOfText);\n lines = bodyItem.lines;\n if (displayColors && lines.length) {\n this._drawColorBox(ctx, pt, i, rtlHelper, options);\n bodyLineHeight = Math.max(bodyFont.lineHeight, boxHeight);\n }\n for (j = 0, jlen = lines.length; j < jlen; ++j) {\n fillLineOfText(lines[j]);\n bodyLineHeight = bodyFont.lineHeight;\n }\n each(bodyItem.after, fillLineOfText);\n }\n xLinePadding = 0;\n bodyLineHeight = bodyFont.lineHeight;\n each(this.afterBody, fillLineOfText);\n pt.y -= bodySpacing;\n }\n drawFooter(pt, ctx, options) {\n const footer = this.footer;\n const length = footer.length;\n let footerFont, i;\n if (length) {\n const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width);\n pt.x = getAlignedX(this, options.footerAlign, options);\n pt.y += options.footerMarginTop;\n ctx.textAlign = rtlHelper.textAlign(options.footerAlign);\n ctx.textBaseline = 'middle';\n footerFont = toFont(options.footerFont);\n ctx.fillStyle = options.footerColor;\n ctx.font = footerFont.string;\n for (i = 0; i < length; ++i) {\n ctx.fillText(footer[i], rtlHelper.x(pt.x), pt.y + footerFont.lineHeight / 2);\n pt.y += footerFont.lineHeight + options.footerSpacing;\n }\n }\n }\n drawBackground(pt, ctx, tooltipSize, options) {\n const {xAlign, yAlign} = this;\n const {x, y} = pt;\n const {width, height} = tooltipSize;\n const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(options.cornerRadius);\n ctx.fillStyle = options.backgroundColor;\n ctx.strokeStyle = options.borderColor;\n ctx.lineWidth = options.borderWidth;\n ctx.beginPath();\n ctx.moveTo(x + topLeft, y);\n if (yAlign === 'top') {\n this.drawCaret(pt, ctx, tooltipSize, options);\n }\n ctx.lineTo(x + width - topRight, y);\n ctx.quadraticCurveTo(x + width, y, x + width, y + topRight);\n if (yAlign === 'center' && xAlign === 'right') {\n this.drawCaret(pt, ctx, tooltipSize, options);\n }\n ctx.lineTo(x + width, y + height - bottomRight);\n ctx.quadraticCurveTo(x + width, y + height, x + width - bottomRight, y + height);\n if (yAlign === 'bottom') {\n this.drawCaret(pt, ctx, tooltipSize, options);\n }\n ctx.lineTo(x + bottomLeft, y + height);\n ctx.quadraticCurveTo(x, y + height, x, y + height - bottomLeft);\n if (yAlign === 'center' && xAlign === 'left') {\n this.drawCaret(pt, ctx, tooltipSize, options);\n }\n ctx.lineTo(x, y + topLeft);\n ctx.quadraticCurveTo(x, y, x + topLeft, y);\n ctx.closePath();\n ctx.fill();\n if (options.borderWidth > 0) {\n ctx.stroke();\n }\n }\n _updateAnimationTarget(options) {\n const chart = this.chart;\n const anims = this.$animations;\n const animX = anims && anims.x;\n const animY = anims && anims.y;\n if (animX || animY) {\n const position = positioners[options.position].call(this, this._active, this._eventPosition);\n if (!position) {\n return;\n }\n const size = this._size = getTooltipSize(this, options);\n const positionAndSize = Object.assign({}, position, this._size);\n const alignment = determineAlignment(chart, options, positionAndSize);\n const point = getBackgroundPoint(options, positionAndSize, alignment, chart);\n if (animX._to !== point.x || animY._to !== point.y) {\n this.xAlign = alignment.xAlign;\n this.yAlign = alignment.yAlign;\n this.width = size.width;\n this.height = size.height;\n this.caretX = position.x;\n this.caretY = position.y;\n this._resolveAnimations().update(this, point);\n }\n }\n }\n _willRender() {\n return !!this.opacity;\n }\n draw(ctx) {\n const options = this.options.setContext(this.getContext());\n let opacity = this.opacity;\n if (!opacity) {\n return;\n }\n this._updateAnimationTarget(options);\n const tooltipSize = {\n width: this.width,\n height: this.height\n };\n const pt = {\n x: this.x,\n y: this.y\n };\n opacity = Math.abs(opacity) < 1e-3 ? 0 : opacity;\n const padding = toPadding(options.padding);\n const hasTooltipContent = this.title.length || this.beforeBody.length || this.body.length || this.afterBody.length || this.footer.length;\n if (options.enabled && hasTooltipContent) {\n ctx.save();\n ctx.globalAlpha = opacity;\n this.drawBackground(pt, ctx, tooltipSize, options);\n overrideTextDirection(ctx, options.textDirection);\n pt.y += padding.top;\n this.drawTitle(pt, ctx, options);\n this.drawBody(pt, ctx, options);\n this.drawFooter(pt, ctx, options);\n restoreTextDirection(ctx, options.textDirection);\n ctx.restore();\n }\n }\n getActiveElements() {\n return this._active || [];\n }\n setActiveElements(activeElements, eventPosition) {\n const lastActive = this._active;\n const active = activeElements.map(({datasetIndex, index}) => {\n const meta = this.chart.getDatasetMeta(datasetIndex);\n if (!meta) {\n throw new Error('Cannot find a dataset at index ' + datasetIndex);\n }\n return {\n datasetIndex,\n element: meta.data[index],\n index,\n };\n });\n const changed = !_elementsEqual(lastActive, active);\n const positionChanged = this._positionChanged(active, eventPosition);\n if (changed || positionChanged) {\n this._active = active;\n this._eventPosition = eventPosition;\n this._ignoreReplayEvents = true;\n this.update(true);\n }\n }\n handleEvent(e, replay, inChartArea = true) {\n if (replay && this._ignoreReplayEvents) {\n return false;\n }\n this._ignoreReplayEvents = false;\n const options = this.options;\n const lastActive = this._active || [];\n const active = this._getActiveElements(e, lastActive, replay, inChartArea);\n const positionChanged = this._positionChanged(active, e);\n const changed = replay || !_elementsEqual(active, lastActive) || positionChanged;\n if (changed) {\n this._active = active;\n if (options.enabled || options.external) {\n this._eventPosition = {\n x: e.x,\n y: e.y\n };\n this.update(true, replay);\n }\n }\n return changed;\n }\n _getActiveElements(e, lastActive, replay, inChartArea) {\n const options = this.options;\n if (e.type === 'mouseout') {\n return [];\n }\n if (!inChartArea) {\n return lastActive;\n }\n const active = this.chart.getElementsAtEventForMode(e, options.mode, options, replay);\n if (options.reverse) {\n active.reverse();\n }\n return active;\n }\n _positionChanged(active, e) {\n const {caretX, caretY, options} = this;\n const position = positioners[options.position].call(this, active, e);\n return position !== false && (caretX !== position.x || caretY !== position.y);\n }\n}\nTooltip.positioners = positioners;\nvar plugin_tooltip = {\n id: 'tooltip',\n _element: Tooltip,\n positioners,\n afterInit(chart, _args, options) {\n if (options) {\n chart.tooltip = new Tooltip({chart, options});\n }\n },\n beforeUpdate(chart, _args, options) {\n if (chart.tooltip) {\n chart.tooltip.initialize(options);\n }\n },\n reset(chart, _args, options) {\n if (chart.tooltip) {\n chart.tooltip.initialize(options);\n }\n },\n afterDraw(chart) {\n const tooltip = chart.tooltip;\n if (tooltip && tooltip._willRender()) {\n const args = {\n tooltip\n };\n if (chart.notifyPlugins('beforeTooltipDraw', args) === false) {\n return;\n }\n tooltip.draw(chart.ctx);\n chart.notifyPlugins('afterTooltipDraw', args);\n }\n },\n afterEvent(chart, args) {\n if (chart.tooltip) {\n const useFinalPosition = args.replay;\n if (chart.tooltip.handleEvent(args.event, useFinalPosition, args.inChartArea)) {\n args.changed = true;\n }\n }\n },\n defaults: {\n enabled: true,\n external: null,\n position: 'average',\n backgroundColor: 'rgba(0,0,0,0.8)',\n titleColor: '#fff',\n titleFont: {\n weight: 'bold',\n },\n titleSpacing: 2,\n titleMarginBottom: 6,\n titleAlign: 'left',\n bodyColor: '#fff',\n bodySpacing: 2,\n bodyFont: {\n },\n bodyAlign: 'left',\n footerColor: '#fff',\n footerSpacing: 2,\n footerMarginTop: 6,\n footerFont: {\n weight: 'bold',\n },\n footerAlign: 'left',\n padding: 6,\n caretPadding: 2,\n caretSize: 5,\n cornerRadius: 6,\n boxHeight: (ctx, opts) => opts.bodyFont.size,\n boxWidth: (ctx, opts) => opts.bodyFont.size,\n multiKeyBackground: '#fff',\n displayColors: true,\n boxPadding: 0,\n borderColor: 'rgba(0,0,0,0)',\n borderWidth: 0,\n animation: {\n duration: 400,\n easing: 'easeOutQuart',\n },\n animations: {\n numbers: {\n type: 'number',\n properties: ['x', 'y', 'width', 'height', 'caretX', 'caretY'],\n },\n opacity: {\n easing: 'linear',\n duration: 200\n }\n },\n callbacks: {\n beforeTitle: noop,\n title(tooltipItems) {\n if (tooltipItems.length > 0) {\n const item = tooltipItems[0];\n const labels = item.chart.data.labels;\n const labelCount = labels ? labels.length : 0;\n if (this && this.options && this.options.mode === 'dataset') {\n return item.dataset.label || '';\n } else if (item.label) {\n return item.label;\n } else if (labelCount > 0 && item.dataIndex < labelCount) {\n return labels[item.dataIndex];\n }\n }\n return '';\n },\n afterTitle: noop,\n beforeBody: noop,\n beforeLabel: noop,\n label(tooltipItem) {\n if (this && this.options && this.options.mode === 'dataset') {\n return tooltipItem.label + ': ' + tooltipItem.formattedValue || tooltipItem.formattedValue;\n }\n let label = tooltipItem.dataset.label || '';\n if (label) {\n label += ': ';\n }\n const value = tooltipItem.formattedValue;\n if (!isNullOrUndef(value)) {\n label += value;\n }\n return label;\n },\n labelColor(tooltipItem) {\n const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex);\n const options = meta.controller.getStyle(tooltipItem.dataIndex);\n return {\n borderColor: options.borderColor,\n backgroundColor: options.backgroundColor,\n borderWidth: options.borderWidth,\n borderDash: options.borderDash,\n borderDashOffset: options.borderDashOffset,\n borderRadius: 0,\n };\n },\n labelTextColor() {\n return this.options.bodyColor;\n },\n labelPointStyle(tooltipItem) {\n const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex);\n const options = meta.controller.getStyle(tooltipItem.dataIndex);\n return {\n pointStyle: options.pointStyle,\n rotation: options.rotation,\n };\n },\n afterLabel: noop,\n afterBody: noop,\n beforeFooter: noop,\n footer: noop,\n afterFooter: noop\n }\n },\n defaultRoutes: {\n bodyFont: 'font',\n footerFont: 'font',\n titleFont: 'font'\n },\n descriptors: {\n _scriptable: (name) => name !== 'filter' && name !== 'itemSort' && name !== 'external',\n _indexable: false,\n callbacks: {\n _scriptable: false,\n _indexable: false,\n },\n animation: {\n _fallback: false\n },\n animations: {\n _fallback: 'animation'\n }\n },\n additionalOptionScopes: ['interaction']\n};\n\nvar plugins = /*#__PURE__*/Object.freeze({\n__proto__: null,\nDecimation: plugin_decimation,\nFiller: index,\nLegend: plugin_legend,\nSubTitle: plugin_subtitle,\nTitle: plugin_title,\nTooltip: plugin_tooltip\n});\n\nconst addIfString = (labels, raw, index, addedLabels) => {\n if (typeof raw === 'string') {\n index = labels.push(raw) - 1;\n addedLabels.unshift({index, label: raw});\n } else if (isNaN(raw)) {\n index = null;\n }\n return index;\n};\nfunction findOrAddLabel(labels, raw, index, addedLabels) {\n const first = labels.indexOf(raw);\n if (first === -1) {\n return addIfString(labels, raw, index, addedLabels);\n }\n const last = labels.lastIndexOf(raw);\n return first !== last ? index : first;\n}\nconst validIndex = (index, max) => index === null ? null : _limitValue(Math.round(index), 0, max);\nclass CategoryScale extends Scale {\n constructor(cfg) {\n super(cfg);\n this._startValue = undefined;\n this._valueRange = 0;\n this._addedLabels = [];\n }\n init(scaleOptions) {\n const added = this._addedLabels;\n if (added.length) {\n const labels = this.getLabels();\n for (const {index, label} of added) {\n if (labels[index] === label) {\n labels.splice(index, 1);\n }\n }\n this._addedLabels = [];\n }\n super.init(scaleOptions);\n }\n parse(raw, index) {\n if (isNullOrUndef(raw)) {\n return null;\n }\n const labels = this.getLabels();\n index = isFinite(index) && labels[index] === raw ? index\n : findOrAddLabel(labels, raw, valueOrDefault(index, raw), this._addedLabels);\n return validIndex(index, labels.length - 1);\n }\n determineDataLimits() {\n const {minDefined, maxDefined} = this.getUserBounds();\n let {min, max} = this.getMinMax(true);\n if (this.options.bounds === 'ticks') {\n if (!minDefined) {\n min = 0;\n }\n if (!maxDefined) {\n max = this.getLabels().length - 1;\n }\n }\n this.min = min;\n this.max = max;\n }\n buildTicks() {\n const min = this.min;\n const max = this.max;\n const offset = this.options.offset;\n const ticks = [];\n let labels = this.getLabels();\n labels = (min === 0 && max === labels.length - 1) ? labels : labels.slice(min, max + 1);\n this._valueRange = Math.max(labels.length - (offset ? 0 : 1), 1);\n this._startValue = this.min - (offset ? 0.5 : 0);\n for (let value = min; value <= max; value++) {\n ticks.push({value});\n }\n return ticks;\n }\n getLabelForValue(value) {\n const labels = this.getLabels();\n if (value >= 0 && value < labels.length) {\n return labels[value];\n }\n return value;\n }\n configure() {\n super.configure();\n if (!this.isHorizontal()) {\n this._reversePixels = !this._reversePixels;\n }\n }\n getPixelForValue(value) {\n if (typeof value !== 'number') {\n value = this.parse(value);\n }\n return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange);\n }\n getPixelForTick(index) {\n const ticks = this.ticks;\n if (index < 0 || index > ticks.length - 1) {\n return null;\n }\n return this.getPixelForValue(ticks[index].value);\n }\n getValueForPixel(pixel) {\n return Math.round(this._startValue + this.getDecimalForPixel(pixel) * this._valueRange);\n }\n getBasePixel() {\n return this.bottom;\n }\n}\nCategoryScale.id = 'category';\nCategoryScale.defaults = {\n ticks: {\n callback: CategoryScale.prototype.getLabelForValue\n }\n};\n\nfunction generateTicks$1(generationOptions, dataRange) {\n const ticks = [];\n const MIN_SPACING = 1e-14;\n const {bounds, step, min, max, precision, count, maxTicks, maxDigits, includeBounds} = generationOptions;\n const unit = step || 1;\n const maxSpaces = maxTicks - 1;\n const {min: rmin, max: rmax} = dataRange;\n const minDefined = !isNullOrUndef(min);\n const maxDefined = !isNullOrUndef(max);\n const countDefined = !isNullOrUndef(count);\n const minSpacing = (rmax - rmin) / (maxDigits + 1);\n let spacing = niceNum((rmax - rmin) / maxSpaces / unit) * unit;\n let factor, niceMin, niceMax, numSpaces;\n if (spacing < MIN_SPACING && !minDefined && !maxDefined) {\n return [{value: rmin}, {value: rmax}];\n }\n numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing);\n if (numSpaces > maxSpaces) {\n spacing = niceNum(numSpaces * spacing / maxSpaces / unit) * unit;\n }\n if (!isNullOrUndef(precision)) {\n factor = Math.pow(10, precision);\n spacing = Math.ceil(spacing * factor) / factor;\n }\n if (bounds === 'ticks') {\n niceMin = Math.floor(rmin / spacing) * spacing;\n niceMax = Math.ceil(rmax / spacing) * spacing;\n } else {\n niceMin = rmin;\n niceMax = rmax;\n }\n if (minDefined && maxDefined && step && almostWhole((max - min) / step, spacing / 1000)) {\n numSpaces = Math.round(Math.min((max - min) / spacing, maxTicks));\n spacing = (max - min) / numSpaces;\n niceMin = min;\n niceMax = max;\n } else if (countDefined) {\n niceMin = minDefined ? min : niceMin;\n niceMax = maxDefined ? max : niceMax;\n numSpaces = count - 1;\n spacing = (niceMax - niceMin) / numSpaces;\n } else {\n numSpaces = (niceMax - niceMin) / spacing;\n if (almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) {\n numSpaces = Math.round(numSpaces);\n } else {\n numSpaces = Math.ceil(numSpaces);\n }\n }\n const decimalPlaces = Math.max(\n _decimalPlaces(spacing),\n _decimalPlaces(niceMin)\n );\n factor = Math.pow(10, isNullOrUndef(precision) ? decimalPlaces : precision);\n niceMin = Math.round(niceMin * factor) / factor;\n niceMax = Math.round(niceMax * factor) / factor;\n let j = 0;\n if (minDefined) {\n if (includeBounds && niceMin !== min) {\n ticks.push({value: min});\n if (niceMin < min) {\n j++;\n }\n if (almostEquals(Math.round((niceMin + j * spacing) * factor) / factor, min, relativeLabelSize(min, minSpacing, generationOptions))) {\n j++;\n }\n } else if (niceMin < min) {\n j++;\n }\n }\n for (; j < numSpaces; ++j) {\n ticks.push({value: Math.round((niceMin + j * spacing) * factor) / factor});\n }\n if (maxDefined && includeBounds && niceMax !== max) {\n if (ticks.length && almostEquals(ticks[ticks.length - 1].value, max, relativeLabelSize(max, minSpacing, generationOptions))) {\n ticks[ticks.length - 1].value = max;\n } else {\n ticks.push({value: max});\n }\n } else if (!maxDefined || niceMax === max) {\n ticks.push({value: niceMax});\n }\n return ticks;\n}\nfunction relativeLabelSize(value, minSpacing, {horizontal, minRotation}) {\n const rad = toRadians(minRotation);\n const ratio = (horizontal ? Math.sin(rad) : Math.cos(rad)) || 0.001;\n const length = 0.75 * minSpacing * ('' + value).length;\n return Math.min(minSpacing / ratio, length);\n}\nclass LinearScaleBase extends Scale {\n constructor(cfg) {\n super(cfg);\n this.start = undefined;\n this.end = undefined;\n this._startValue = undefined;\n this._endValue = undefined;\n this._valueRange = 0;\n }\n parse(raw, index) {\n if (isNullOrUndef(raw)) {\n return null;\n }\n if ((typeof raw === 'number' || raw instanceof Number) && !isFinite(+raw)) {\n return null;\n }\n return +raw;\n }\n handleTickRangeOptions() {\n const {beginAtZero} = this.options;\n const {minDefined, maxDefined} = this.getUserBounds();\n let {min, max} = this;\n const setMin = v => (min = minDefined ? min : v);\n const setMax = v => (max = maxDefined ? max : v);\n if (beginAtZero) {\n const minSign = sign(min);\n const maxSign = sign(max);\n if (minSign < 0 && maxSign < 0) {\n setMax(0);\n } else if (minSign > 0 && maxSign > 0) {\n setMin(0);\n }\n }\n if (min === max) {\n let offset = 1;\n if (max >= Number.MAX_SAFE_INTEGER || min <= Number.MIN_SAFE_INTEGER) {\n offset = Math.abs(max * 0.05);\n }\n setMax(max + offset);\n if (!beginAtZero) {\n setMin(min - offset);\n }\n }\n this.min = min;\n this.max = max;\n }\n getTickLimit() {\n const tickOpts = this.options.ticks;\n let {maxTicksLimit, stepSize} = tickOpts;\n let maxTicks;\n if (stepSize) {\n maxTicks = Math.ceil(this.max / stepSize) - Math.floor(this.min / stepSize) + 1;\n if (maxTicks > 1000) {\n console.warn(`scales.${this.id}.ticks.stepSize: ${stepSize} would result generating up to ${maxTicks} ticks. Limiting to 1000.`);\n maxTicks = 1000;\n }\n } else {\n maxTicks = this.computeTickLimit();\n maxTicksLimit = maxTicksLimit || 11;\n }\n if (maxTicksLimit) {\n maxTicks = Math.min(maxTicksLimit, maxTicks);\n }\n return maxTicks;\n }\n computeTickLimit() {\n return Number.POSITIVE_INFINITY;\n }\n buildTicks() {\n const opts = this.options;\n const tickOpts = opts.ticks;\n let maxTicks = this.getTickLimit();\n maxTicks = Math.max(2, maxTicks);\n const numericGeneratorOptions = {\n maxTicks,\n bounds: opts.bounds,\n min: opts.min,\n max: opts.max,\n precision: tickOpts.precision,\n step: tickOpts.stepSize,\n count: tickOpts.count,\n maxDigits: this._maxDigits(),\n horizontal: this.isHorizontal(),\n minRotation: tickOpts.minRotation || 0,\n includeBounds: tickOpts.includeBounds !== false\n };\n const dataRange = this._range || this;\n const ticks = generateTicks$1(numericGeneratorOptions, dataRange);\n if (opts.bounds === 'ticks') {\n _setMinAndMaxByKey(ticks, this, 'value');\n }\n if (opts.reverse) {\n ticks.reverse();\n this.start = this.max;\n this.end = this.min;\n } else {\n this.start = this.min;\n this.end = this.max;\n }\n return ticks;\n }\n configure() {\n const ticks = this.ticks;\n let start = this.min;\n let end = this.max;\n super.configure();\n if (this.options.offset && ticks.length) {\n const offset = (end - start) / Math.max(ticks.length - 1, 1) / 2;\n start -= offset;\n end += offset;\n }\n this._startValue = start;\n this._endValue = end;\n this._valueRange = end - start;\n }\n getLabelForValue(value) {\n return formatNumber(value, this.chart.options.locale, this.options.ticks.format);\n }\n}\n\nclass LinearScale extends LinearScaleBase {\n determineDataLimits() {\n const {min, max} = this.getMinMax(true);\n this.min = isNumberFinite(min) ? min : 0;\n this.max = isNumberFinite(max) ? max : 1;\n this.handleTickRangeOptions();\n }\n computeTickLimit() {\n const horizontal = this.isHorizontal();\n const length = horizontal ? this.width : this.height;\n const minRotation = toRadians(this.options.ticks.minRotation);\n const ratio = (horizontal ? Math.sin(minRotation) : Math.cos(minRotation)) || 0.001;\n const tickFont = this._resolveTickFontOptions(0);\n return Math.ceil(length / Math.min(40, tickFont.lineHeight / ratio));\n }\n getPixelForValue(value) {\n return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange);\n }\n getValueForPixel(pixel) {\n return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange;\n }\n}\nLinearScale.id = 'linear';\nLinearScale.defaults = {\n ticks: {\n callback: Ticks.formatters.numeric\n }\n};\n\nfunction isMajor(tickVal) {\n const remain = tickVal / (Math.pow(10, Math.floor(log10(tickVal))));\n return remain === 1;\n}\nfunction generateTicks(generationOptions, dataRange) {\n const endExp = Math.floor(log10(dataRange.max));\n const endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp));\n const ticks = [];\n let tickVal = finiteOrDefault(generationOptions.min, Math.pow(10, Math.floor(log10(dataRange.min))));\n let exp = Math.floor(log10(tickVal));\n let significand = Math.floor(tickVal / Math.pow(10, exp));\n let precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1;\n do {\n ticks.push({value: tickVal, major: isMajor(tickVal)});\n ++significand;\n if (significand === 10) {\n significand = 1;\n ++exp;\n precision = exp >= 0 ? 1 : precision;\n }\n tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision;\n } while (exp < endExp || (exp === endExp && significand < endSignificand));\n const lastTick = finiteOrDefault(generationOptions.max, tickVal);\n ticks.push({value: lastTick, major: isMajor(tickVal)});\n return ticks;\n}\nclass LogarithmicScale extends Scale {\n constructor(cfg) {\n super(cfg);\n this.start = undefined;\n this.end = undefined;\n this._startValue = undefined;\n this._valueRange = 0;\n }\n parse(raw, index) {\n const value = LinearScaleBase.prototype.parse.apply(this, [raw, index]);\n if (value === 0) {\n this._zero = true;\n return undefined;\n }\n return isNumberFinite(value) && value > 0 ? value : null;\n }\n determineDataLimits() {\n const {min, max} = this.getMinMax(true);\n this.min = isNumberFinite(min) ? Math.max(0, min) : null;\n this.max = isNumberFinite(max) ? Math.max(0, max) : null;\n if (this.options.beginAtZero) {\n this._zero = true;\n }\n this.handleTickRangeOptions();\n }\n handleTickRangeOptions() {\n const {minDefined, maxDefined} = this.getUserBounds();\n let min = this.min;\n let max = this.max;\n const setMin = v => (min = minDefined ? min : v);\n const setMax = v => (max = maxDefined ? max : v);\n const exp = (v, m) => Math.pow(10, Math.floor(log10(v)) + m);\n if (min === max) {\n if (min <= 0) {\n setMin(1);\n setMax(10);\n } else {\n setMin(exp(min, -1));\n setMax(exp(max, +1));\n }\n }\n if (min <= 0) {\n setMin(exp(max, -1));\n }\n if (max <= 0) {\n setMax(exp(min, +1));\n }\n if (this._zero && this.min !== this._suggestedMin && min === exp(this.min, 0)) {\n setMin(exp(min, -1));\n }\n this.min = min;\n this.max = max;\n }\n buildTicks() {\n const opts = this.options;\n const generationOptions = {\n min: this._userMin,\n max: this._userMax\n };\n const ticks = generateTicks(generationOptions, this);\n if (opts.bounds === 'ticks') {\n _setMinAndMaxByKey(ticks, this, 'value');\n }\n if (opts.reverse) {\n ticks.reverse();\n this.start = this.max;\n this.end = this.min;\n } else {\n this.start = this.min;\n this.end = this.max;\n }\n return ticks;\n }\n getLabelForValue(value) {\n return value === undefined\n ? '0'\n : formatNumber(value, this.chart.options.locale, this.options.ticks.format);\n }\n configure() {\n const start = this.min;\n super.configure();\n this._startValue = log10(start);\n this._valueRange = log10(this.max) - log10(start);\n }\n getPixelForValue(value) {\n if (value === undefined || value === 0) {\n value = this.min;\n }\n if (value === null || isNaN(value)) {\n return NaN;\n }\n return this.getPixelForDecimal(value === this.min\n ? 0\n : (log10(value) - this._startValue) / this._valueRange);\n }\n getValueForPixel(pixel) {\n const decimal = this.getDecimalForPixel(pixel);\n return Math.pow(10, this._startValue + decimal * this._valueRange);\n }\n}\nLogarithmicScale.id = 'logarithmic';\nLogarithmicScale.defaults = {\n ticks: {\n callback: Ticks.formatters.logarithmic,\n major: {\n enabled: true\n }\n }\n};\n\nfunction getTickBackdropHeight(opts) {\n const tickOpts = opts.ticks;\n if (tickOpts.display && opts.display) {\n const padding = toPadding(tickOpts.backdropPadding);\n return valueOrDefault(tickOpts.font && tickOpts.font.size, defaults.font.size) + padding.height;\n }\n return 0;\n}\nfunction measureLabelSize(ctx, font, label) {\n label = isArray(label) ? label : [label];\n return {\n w: _longestText(ctx, font.string, label),\n h: label.length * font.lineHeight\n };\n}\nfunction determineLimits(angle, pos, size, min, max) {\n if (angle === min || angle === max) {\n return {\n start: pos - (size / 2),\n end: pos + (size / 2)\n };\n } else if (angle < min || angle > max) {\n return {\n start: pos - size,\n end: pos\n };\n }\n return {\n start: pos,\n end: pos + size\n };\n}\nfunction fitWithPointLabels(scale) {\n const orig = {\n l: scale.left + scale._padding.left,\n r: scale.right - scale._padding.right,\n t: scale.top + scale._padding.top,\n b: scale.bottom - scale._padding.bottom\n };\n const limits = Object.assign({}, orig);\n const labelSizes = [];\n const padding = [];\n const valueCount = scale._pointLabels.length;\n const pointLabelOpts = scale.options.pointLabels;\n const additionalAngle = pointLabelOpts.centerPointLabels ? PI / valueCount : 0;\n for (let i = 0; i < valueCount; i++) {\n const opts = pointLabelOpts.setContext(scale.getPointLabelContext(i));\n padding[i] = opts.padding;\n const pointPosition = scale.getPointPosition(i, scale.drawingArea + padding[i], additionalAngle);\n const plFont = toFont(opts.font);\n const textSize = measureLabelSize(scale.ctx, plFont, scale._pointLabels[i]);\n labelSizes[i] = textSize;\n const angleRadians = _normalizeAngle(scale.getIndexAngle(i) + additionalAngle);\n const angle = Math.round(toDegrees(angleRadians));\n const hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180);\n const vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270);\n updateLimits(limits, orig, angleRadians, hLimits, vLimits);\n }\n scale.setCenterPoint(\n orig.l - limits.l,\n limits.r - orig.r,\n orig.t - limits.t,\n limits.b - orig.b\n );\n scale._pointLabelItems = buildPointLabelItems(scale, labelSizes, padding);\n}\nfunction updateLimits(limits, orig, angle, hLimits, vLimits) {\n const sin = Math.abs(Math.sin(angle));\n const cos = Math.abs(Math.cos(angle));\n let x = 0;\n let y = 0;\n if (hLimits.start < orig.l) {\n x = (orig.l - hLimits.start) / sin;\n limits.l = Math.min(limits.l, orig.l - x);\n } else if (hLimits.end > orig.r) {\n x = (hLimits.end - orig.r) / sin;\n limits.r = Math.max(limits.r, orig.r + x);\n }\n if (vLimits.start < orig.t) {\n y = (orig.t - vLimits.start) / cos;\n limits.t = Math.min(limits.t, orig.t - y);\n } else if (vLimits.end > orig.b) {\n y = (vLimits.end - orig.b) / cos;\n limits.b = Math.max(limits.b, orig.b + y);\n }\n}\nfunction buildPointLabelItems(scale, labelSizes, padding) {\n const items = [];\n const valueCount = scale._pointLabels.length;\n const opts = scale.options;\n const extra = getTickBackdropHeight(opts) / 2;\n const outerDistance = scale.drawingArea;\n const additionalAngle = opts.pointLabels.centerPointLabels ? PI / valueCount : 0;\n for (let i = 0; i < valueCount; i++) {\n const pointLabelPosition = scale.getPointPosition(i, outerDistance + extra + padding[i], additionalAngle);\n const angle = Math.round(toDegrees(_normalizeAngle(pointLabelPosition.angle + HALF_PI)));\n const size = labelSizes[i];\n const y = yForAngle(pointLabelPosition.y, size.h, angle);\n const textAlign = getTextAlignForAngle(angle);\n const left = leftForTextAlign(pointLabelPosition.x, size.w, textAlign);\n items.push({\n x: pointLabelPosition.x,\n y,\n textAlign,\n left,\n top: y,\n right: left + size.w,\n bottom: y + size.h\n });\n }\n return items;\n}\nfunction getTextAlignForAngle(angle) {\n if (angle === 0 || angle === 180) {\n return 'center';\n } else if (angle < 180) {\n return 'left';\n }\n return 'right';\n}\nfunction leftForTextAlign(x, w, align) {\n if (align === 'right') {\n x -= w;\n } else if (align === 'center') {\n x -= (w / 2);\n }\n return x;\n}\nfunction yForAngle(y, h, angle) {\n if (angle === 90 || angle === 270) {\n y -= (h / 2);\n } else if (angle > 270 || angle < 90) {\n y -= h;\n }\n return y;\n}\nfunction drawPointLabels(scale, labelCount) {\n const {ctx, options: {pointLabels}} = scale;\n for (let i = labelCount - 1; i >= 0; i--) {\n const optsAtIndex = pointLabels.setContext(scale.getPointLabelContext(i));\n const plFont = toFont(optsAtIndex.font);\n const {x, y, textAlign, left, top, right, bottom} = scale._pointLabelItems[i];\n const {backdropColor} = optsAtIndex;\n if (!isNullOrUndef(backdropColor)) {\n const borderRadius = toTRBLCorners(optsAtIndex.borderRadius);\n const padding = toPadding(optsAtIndex.backdropPadding);\n ctx.fillStyle = backdropColor;\n const backdropLeft = left - padding.left;\n const backdropTop = top - padding.top;\n const backdropWidth = right - left + padding.width;\n const backdropHeight = bottom - top + padding.height;\n if (Object.values(borderRadius).some(v => v !== 0)) {\n ctx.beginPath();\n addRoundedRectPath(ctx, {\n x: backdropLeft,\n y: backdropTop,\n w: backdropWidth,\n h: backdropHeight,\n radius: borderRadius,\n });\n ctx.fill();\n } else {\n ctx.fillRect(backdropLeft, backdropTop, backdropWidth, backdropHeight);\n }\n }\n renderText(\n ctx,\n scale._pointLabels[i],\n x,\n y + (plFont.lineHeight / 2),\n plFont,\n {\n color: optsAtIndex.color,\n textAlign: textAlign,\n textBaseline: 'middle'\n }\n );\n }\n}\nfunction pathRadiusLine(scale, radius, circular, labelCount) {\n const {ctx} = scale;\n if (circular) {\n ctx.arc(scale.xCenter, scale.yCenter, radius, 0, TAU);\n } else {\n let pointPosition = scale.getPointPosition(0, radius);\n ctx.moveTo(pointPosition.x, pointPosition.y);\n for (let i = 1; i < labelCount; i++) {\n pointPosition = scale.getPointPosition(i, radius);\n ctx.lineTo(pointPosition.x, pointPosition.y);\n }\n }\n}\nfunction drawRadiusLine(scale, gridLineOpts, radius, labelCount) {\n const ctx = scale.ctx;\n const circular = gridLineOpts.circular;\n const {color, lineWidth} = gridLineOpts;\n if ((!circular && !labelCount) || !color || !lineWidth || radius < 0) {\n return;\n }\n ctx.save();\n ctx.strokeStyle = color;\n ctx.lineWidth = lineWidth;\n ctx.setLineDash(gridLineOpts.borderDash);\n ctx.lineDashOffset = gridLineOpts.borderDashOffset;\n ctx.beginPath();\n pathRadiusLine(scale, radius, circular, labelCount);\n ctx.closePath();\n ctx.stroke();\n ctx.restore();\n}\nfunction createPointLabelContext(parent, index, label) {\n return createContext(parent, {\n label,\n index,\n type: 'pointLabel'\n });\n}\nclass RadialLinearScale extends LinearScaleBase {\n constructor(cfg) {\n super(cfg);\n this.xCenter = undefined;\n this.yCenter = undefined;\n this.drawingArea = undefined;\n this._pointLabels = [];\n this._pointLabelItems = [];\n }\n setDimensions() {\n const padding = this._padding = toPadding(getTickBackdropHeight(this.options) / 2);\n const w = this.width = this.maxWidth - padding.width;\n const h = this.height = this.maxHeight - padding.height;\n this.xCenter = Math.floor(this.left + w / 2 + padding.left);\n this.yCenter = Math.floor(this.top + h / 2 + padding.top);\n this.drawingArea = Math.floor(Math.min(w, h) / 2);\n }\n determineDataLimits() {\n const {min, max} = this.getMinMax(false);\n this.min = isNumberFinite(min) && !isNaN(min) ? min : 0;\n this.max = isNumberFinite(max) && !isNaN(max) ? max : 0;\n this.handleTickRangeOptions();\n }\n computeTickLimit() {\n return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options));\n }\n generateTickLabels(ticks) {\n LinearScaleBase.prototype.generateTickLabels.call(this, ticks);\n this._pointLabels = this.getLabels()\n .map((value, index) => {\n const label = callback(this.options.pointLabels.callback, [value, index], this);\n return label || label === 0 ? label : '';\n })\n .filter((v, i) => this.chart.getDataVisibility(i));\n }\n fit() {\n const opts = this.options;\n if (opts.display && opts.pointLabels.display) {\n fitWithPointLabels(this);\n } else {\n this.setCenterPoint(0, 0, 0, 0);\n }\n }\n setCenterPoint(leftMovement, rightMovement, topMovement, bottomMovement) {\n this.xCenter += Math.floor((leftMovement - rightMovement) / 2);\n this.yCenter += Math.floor((topMovement - bottomMovement) / 2);\n this.drawingArea -= Math.min(this.drawingArea / 2, Math.max(leftMovement, rightMovement, topMovement, bottomMovement));\n }\n getIndexAngle(index) {\n const angleMultiplier = TAU / (this._pointLabels.length || 1);\n const startAngle = this.options.startAngle || 0;\n return _normalizeAngle(index * angleMultiplier + toRadians(startAngle));\n }\n getDistanceFromCenterForValue(value) {\n if (isNullOrUndef(value)) {\n return NaN;\n }\n const scalingFactor = this.drawingArea / (this.max - this.min);\n if (this.options.reverse) {\n return (this.max - value) * scalingFactor;\n }\n return (value - this.min) * scalingFactor;\n }\n getValueForDistanceFromCenter(distance) {\n if (isNullOrUndef(distance)) {\n return NaN;\n }\n const scaledDistance = distance / (this.drawingArea / (this.max - this.min));\n return this.options.reverse ? this.max - scaledDistance : this.min + scaledDistance;\n }\n getPointLabelContext(index) {\n const pointLabels = this._pointLabels || [];\n if (index >= 0 && index < pointLabels.length) {\n const pointLabel = pointLabels[index];\n return createPointLabelContext(this.getContext(), index, pointLabel);\n }\n }\n getPointPosition(index, distanceFromCenter, additionalAngle = 0) {\n const angle = this.getIndexAngle(index) - HALF_PI + additionalAngle;\n return {\n x: Math.cos(angle) * distanceFromCenter + this.xCenter,\n y: Math.sin(angle) * distanceFromCenter + this.yCenter,\n angle\n };\n }\n getPointPositionForValue(index, value) {\n return this.getPointPosition(index, this.getDistanceFromCenterForValue(value));\n }\n getBasePosition(index) {\n return this.getPointPositionForValue(index || 0, this.getBaseValue());\n }\n getPointLabelPosition(index) {\n const {left, top, right, bottom} = this._pointLabelItems[index];\n return {\n left,\n top,\n right,\n bottom,\n };\n }\n drawBackground() {\n const {backgroundColor, grid: {circular}} = this.options;\n if (backgroundColor) {\n const ctx = this.ctx;\n ctx.save();\n ctx.beginPath();\n pathRadiusLine(this, this.getDistanceFromCenterForValue(this._endValue), circular, this._pointLabels.length);\n ctx.closePath();\n ctx.fillStyle = backgroundColor;\n ctx.fill();\n ctx.restore();\n }\n }\n drawGrid() {\n const ctx = this.ctx;\n const opts = this.options;\n const {angleLines, grid} = opts;\n const labelCount = this._pointLabels.length;\n let i, offset, position;\n if (opts.pointLabels.display) {\n drawPointLabels(this, labelCount);\n }\n if (grid.display) {\n this.ticks.forEach((tick, index) => {\n if (index !== 0) {\n offset = this.getDistanceFromCenterForValue(tick.value);\n const optsAtIndex = grid.setContext(this.getContext(index - 1));\n drawRadiusLine(this, optsAtIndex, offset, labelCount);\n }\n });\n }\n if (angleLines.display) {\n ctx.save();\n for (i = labelCount - 1; i >= 0; i--) {\n const optsAtIndex = angleLines.setContext(this.getPointLabelContext(i));\n const {color, lineWidth} = optsAtIndex;\n if (!lineWidth || !color) {\n continue;\n }\n ctx.lineWidth = lineWidth;\n ctx.strokeStyle = color;\n ctx.setLineDash(optsAtIndex.borderDash);\n ctx.lineDashOffset = optsAtIndex.borderDashOffset;\n offset = this.getDistanceFromCenterForValue(opts.ticks.reverse ? this.min : this.max);\n position = this.getPointPosition(i, offset);\n ctx.beginPath();\n ctx.moveTo(this.xCenter, this.yCenter);\n ctx.lineTo(position.x, position.y);\n ctx.stroke();\n }\n ctx.restore();\n }\n }\n drawBorder() {}\n drawLabels() {\n const ctx = this.ctx;\n const opts = this.options;\n const tickOpts = opts.ticks;\n if (!tickOpts.display) {\n return;\n }\n const startAngle = this.getIndexAngle(0);\n let offset, width;\n ctx.save();\n ctx.translate(this.xCenter, this.yCenter);\n ctx.rotate(startAngle);\n ctx.textAlign = 'center';\n ctx.textBaseline = 'middle';\n this.ticks.forEach((tick, index) => {\n if (index === 0 && !opts.reverse) {\n return;\n }\n const optsAtIndex = tickOpts.setContext(this.getContext(index));\n const tickFont = toFont(optsAtIndex.font);\n offset = this.getDistanceFromCenterForValue(this.ticks[index].value);\n if (optsAtIndex.showLabelBackdrop) {\n ctx.font = tickFont.string;\n width = ctx.measureText(tick.label).width;\n ctx.fillStyle = optsAtIndex.backdropColor;\n const padding = toPadding(optsAtIndex.backdropPadding);\n ctx.fillRect(\n -width / 2 - padding.left,\n -offset - tickFont.size / 2 - padding.top,\n width + padding.width,\n tickFont.size + padding.height\n );\n }\n renderText(ctx, tick.label, 0, -offset, tickFont, {\n color: optsAtIndex.color,\n });\n });\n ctx.restore();\n }\n drawTitle() {}\n}\nRadialLinearScale.id = 'radialLinear';\nRadialLinearScale.defaults = {\n display: true,\n animate: true,\n position: 'chartArea',\n angleLines: {\n display: true,\n lineWidth: 1,\n borderDash: [],\n borderDashOffset: 0.0\n },\n grid: {\n circular: false\n },\n startAngle: 0,\n ticks: {\n showLabelBackdrop: true,\n callback: Ticks.formatters.numeric\n },\n pointLabels: {\n backdropColor: undefined,\n backdropPadding: 2,\n display: true,\n font: {\n size: 10\n },\n callback(label) {\n return label;\n },\n padding: 5,\n centerPointLabels: false\n }\n};\nRadialLinearScale.defaultRoutes = {\n 'angleLines.color': 'borderColor',\n 'pointLabels.color': 'color',\n 'ticks.color': 'color'\n};\nRadialLinearScale.descriptors = {\n angleLines: {\n _fallback: 'grid'\n }\n};\n\nconst INTERVALS = {\n millisecond: {common: true, size: 1, steps: 1000},\n second: {common: true, size: 1000, steps: 60},\n minute: {common: true, size: 60000, steps: 60},\n hour: {common: true, size: 3600000, steps: 24},\n day: {common: true, size: 86400000, steps: 30},\n week: {common: false, size: 604800000, steps: 4},\n month: {common: true, size: 2.628e9, steps: 12},\n quarter: {common: false, size: 7.884e9, steps: 4},\n year: {common: true, size: 3.154e10}\n};\nconst UNITS = (Object.keys(INTERVALS));\nfunction sorter(a, b) {\n return a - b;\n}\nfunction parse(scale, input) {\n if (isNullOrUndef(input)) {\n return null;\n }\n const adapter = scale._adapter;\n const {parser, round, isoWeekday} = scale._parseOpts;\n let value = input;\n if (typeof parser === 'function') {\n value = parser(value);\n }\n if (!isNumberFinite(value)) {\n value = typeof parser === 'string'\n ? adapter.parse(value, parser)\n : adapter.parse(value);\n }\n if (value === null) {\n return null;\n }\n if (round) {\n value = round === 'week' && (isNumber(isoWeekday) || isoWeekday === true)\n ? adapter.startOf(value, 'isoWeek', isoWeekday)\n : adapter.startOf(value, round);\n }\n return +value;\n}\nfunction determineUnitForAutoTicks(minUnit, min, max, capacity) {\n const ilen = UNITS.length;\n for (let i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) {\n const interval = INTERVALS[UNITS[i]];\n const factor = interval.steps ? interval.steps : Number.MAX_SAFE_INTEGER;\n if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) {\n return UNITS[i];\n }\n }\n return UNITS[ilen - 1];\n}\nfunction determineUnitForFormatting(scale, numTicks, minUnit, min, max) {\n for (let i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--) {\n const unit = UNITS[i];\n if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= numTicks - 1) {\n return unit;\n }\n }\n return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0];\n}\nfunction determineMajorUnit(unit) {\n for (let i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) {\n if (INTERVALS[UNITS[i]].common) {\n return UNITS[i];\n }\n }\n}\nfunction addTick(ticks, time, timestamps) {\n if (!timestamps) {\n ticks[time] = true;\n } else if (timestamps.length) {\n const {lo, hi} = _lookup(timestamps, time);\n const timestamp = timestamps[lo] >= time ? timestamps[lo] : timestamps[hi];\n ticks[timestamp] = true;\n }\n}\nfunction setMajorTicks(scale, ticks, map, majorUnit) {\n const adapter = scale._adapter;\n const first = +adapter.startOf(ticks[0].value, majorUnit);\n const last = ticks[ticks.length - 1].value;\n let major, index;\n for (major = first; major <= last; major = +adapter.add(major, 1, majorUnit)) {\n index = map[major];\n if (index >= 0) {\n ticks[index].major = true;\n }\n }\n return ticks;\n}\nfunction ticksFromTimestamps(scale, values, majorUnit) {\n const ticks = [];\n const map = {};\n const ilen = values.length;\n let i, value;\n for (i = 0; i < ilen; ++i) {\n value = values[i];\n map[value] = i;\n ticks.push({\n value,\n major: false\n });\n }\n return (ilen === 0 || !majorUnit) ? ticks : setMajorTicks(scale, ticks, map, majorUnit);\n}\nclass TimeScale extends Scale {\n constructor(props) {\n super(props);\n this._cache = {\n data: [],\n labels: [],\n all: []\n };\n this._unit = 'day';\n this._majorUnit = undefined;\n this._offsets = {};\n this._normalized = false;\n this._parseOpts = undefined;\n }\n init(scaleOpts, opts) {\n const time = scaleOpts.time || (scaleOpts.time = {});\n const adapter = this._adapter = new adapters._date(scaleOpts.adapters.date);\n adapter.init(opts);\n mergeIf(time.displayFormats, adapter.formats());\n this._parseOpts = {\n parser: time.parser,\n round: time.round,\n isoWeekday: time.isoWeekday\n };\n super.init(scaleOpts);\n this._normalized = opts.normalized;\n }\n parse(raw, index) {\n if (raw === undefined) {\n return null;\n }\n return parse(this, raw);\n }\n beforeLayout() {\n super.beforeLayout();\n this._cache = {\n data: [],\n labels: [],\n all: []\n };\n }\n determineDataLimits() {\n const options = this.options;\n const adapter = this._adapter;\n const unit = options.time.unit || 'day';\n let {min, max, minDefined, maxDefined} = this.getUserBounds();\n function _applyBounds(bounds) {\n if (!minDefined && !isNaN(bounds.min)) {\n min = Math.min(min, bounds.min);\n }\n if (!maxDefined && !isNaN(bounds.max)) {\n max = Math.max(max, bounds.max);\n }\n }\n if (!minDefined || !maxDefined) {\n _applyBounds(this._getLabelBounds());\n if (options.bounds !== 'ticks' || options.ticks.source !== 'labels') {\n _applyBounds(this.getMinMax(false));\n }\n }\n min = isNumberFinite(min) && !isNaN(min) ? min : +adapter.startOf(Date.now(), unit);\n max = isNumberFinite(max) && !isNaN(max) ? max : +adapter.endOf(Date.now(), unit) + 1;\n this.min = Math.min(min, max - 1);\n this.max = Math.max(min + 1, max);\n }\n _getLabelBounds() {\n const arr = this.getLabelTimestamps();\n let min = Number.POSITIVE_INFINITY;\n let max = Number.NEGATIVE_INFINITY;\n if (arr.length) {\n min = arr[0];\n max = arr[arr.length - 1];\n }\n return {min, max};\n }\n buildTicks() {\n const options = this.options;\n const timeOpts = options.time;\n const tickOpts = options.ticks;\n const timestamps = tickOpts.source === 'labels' ? this.getLabelTimestamps() : this._generate();\n if (options.bounds === 'ticks' && timestamps.length) {\n this.min = this._userMin || timestamps[0];\n this.max = this._userMax || timestamps[timestamps.length - 1];\n }\n const min = this.min;\n const max = this.max;\n const ticks = _filterBetween(timestamps, min, max);\n this._unit = timeOpts.unit || (tickOpts.autoSkip\n ? determineUnitForAutoTicks(timeOpts.minUnit, this.min, this.max, this._getLabelCapacity(min))\n : determineUnitForFormatting(this, ticks.length, timeOpts.minUnit, this.min, this.max));\n this._majorUnit = !tickOpts.major.enabled || this._unit === 'year' ? undefined\n : determineMajorUnit(this._unit);\n this.initOffsets(timestamps);\n if (options.reverse) {\n ticks.reverse();\n }\n return ticksFromTimestamps(this, ticks, this._majorUnit);\n }\n afterAutoSkip() {\n if (this.options.offsetAfterAutoskip) {\n this.initOffsets(this.ticks.map(tick => +tick.value));\n }\n }\n initOffsets(timestamps) {\n let start = 0;\n let end = 0;\n let first, last;\n if (this.options.offset && timestamps.length) {\n first = this.getDecimalForValue(timestamps[0]);\n if (timestamps.length === 1) {\n start = 1 - first;\n } else {\n start = (this.getDecimalForValue(timestamps[1]) - first) / 2;\n }\n last = this.getDecimalForValue(timestamps[timestamps.length - 1]);\n if (timestamps.length === 1) {\n end = last;\n } else {\n end = (last - this.getDecimalForValue(timestamps[timestamps.length - 2])) / 2;\n }\n }\n const limit = timestamps.length < 3 ? 0.5 : 0.25;\n start = _limitValue(start, 0, limit);\n end = _limitValue(end, 0, limit);\n this._offsets = {start, end, factor: 1 / (start + 1 + end)};\n }\n _generate() {\n const adapter = this._adapter;\n const min = this.min;\n const max = this.max;\n const options = this.options;\n const timeOpts = options.time;\n const minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, this._getLabelCapacity(min));\n const stepSize = valueOrDefault(timeOpts.stepSize, 1);\n const weekday = minor === 'week' ? timeOpts.isoWeekday : false;\n const hasWeekday = isNumber(weekday) || weekday === true;\n const ticks = {};\n let first = min;\n let time, count;\n if (hasWeekday) {\n first = +adapter.startOf(first, 'isoWeek', weekday);\n }\n first = +adapter.startOf(first, hasWeekday ? 'day' : minor);\n if (adapter.diff(max, min, minor) > 100000 * stepSize) {\n throw new Error(min + ' and ' + max + ' are too far apart with stepSize of ' + stepSize + ' ' + minor);\n }\n const timestamps = options.ticks.source === 'data' && this.getDataTimestamps();\n for (time = first, count = 0; time < max; time = +adapter.add(time, stepSize, minor), count++) {\n addTick(ticks, time, timestamps);\n }\n if (time === max || options.bounds === 'ticks' || count === 1) {\n addTick(ticks, time, timestamps);\n }\n return Object.keys(ticks).sort((a, b) => a - b).map(x => +x);\n }\n getLabelForValue(value) {\n const adapter = this._adapter;\n const timeOpts = this.options.time;\n if (timeOpts.tooltipFormat) {\n return adapter.format(value, timeOpts.tooltipFormat);\n }\n return adapter.format(value, timeOpts.displayFormats.datetime);\n }\n _tickFormatFunction(time, index, ticks, format) {\n const options = this.options;\n const formats = options.time.displayFormats;\n const unit = this._unit;\n const majorUnit = this._majorUnit;\n const minorFormat = unit && formats[unit];\n const majorFormat = majorUnit && formats[majorUnit];\n const tick = ticks[index];\n const major = majorUnit && majorFormat && tick && tick.major;\n const label = this._adapter.format(time, format || (major ? majorFormat : minorFormat));\n const formatter = options.ticks.callback;\n return formatter ? callback(formatter, [label, index, ticks], this) : label;\n }\n generateTickLabels(ticks) {\n let i, ilen, tick;\n for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n tick = ticks[i];\n tick.label = this._tickFormatFunction(tick.value, i, ticks);\n }\n }\n getDecimalForValue(value) {\n return value === null ? NaN : (value - this.min) / (this.max - this.min);\n }\n getPixelForValue(value) {\n const offsets = this._offsets;\n const pos = this.getDecimalForValue(value);\n return this.getPixelForDecimal((offsets.start + pos) * offsets.factor);\n }\n getValueForPixel(pixel) {\n const offsets = this._offsets;\n const pos = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end;\n return this.min + pos * (this.max - this.min);\n }\n _getLabelSize(label) {\n const ticksOpts = this.options.ticks;\n const tickLabelWidth = this.ctx.measureText(label).width;\n const angle = toRadians(this.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation);\n const cosRotation = Math.cos(angle);\n const sinRotation = Math.sin(angle);\n const tickFontSize = this._resolveTickFontOptions(0).size;\n return {\n w: (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation),\n h: (tickLabelWidth * sinRotation) + (tickFontSize * cosRotation)\n };\n }\n _getLabelCapacity(exampleTime) {\n const timeOpts = this.options.time;\n const displayFormats = timeOpts.displayFormats;\n const format = displayFormats[timeOpts.unit] || displayFormats.millisecond;\n const exampleLabel = this._tickFormatFunction(exampleTime, 0, ticksFromTimestamps(this, [exampleTime], this._majorUnit), format);\n const size = this._getLabelSize(exampleLabel);\n const capacity = Math.floor(this.isHorizontal() ? this.width / size.w : this.height / size.h) - 1;\n return capacity > 0 ? capacity : 1;\n }\n getDataTimestamps() {\n let timestamps = this._cache.data || [];\n let i, ilen;\n if (timestamps.length) {\n return timestamps;\n }\n const metas = this.getMatchingVisibleMetas();\n if (this._normalized && metas.length) {\n return (this._cache.data = metas[0].controller.getAllParsedValues(this));\n }\n for (i = 0, ilen = metas.length; i < ilen; ++i) {\n timestamps = timestamps.concat(metas[i].controller.getAllParsedValues(this));\n }\n return (this._cache.data = this.normalize(timestamps));\n }\n getLabelTimestamps() {\n const timestamps = this._cache.labels || [];\n let i, ilen;\n if (timestamps.length) {\n return timestamps;\n }\n const labels = this.getLabels();\n for (i = 0, ilen = labels.length; i < ilen; ++i) {\n timestamps.push(parse(this, labels[i]));\n }\n return (this._cache.labels = this._normalized ? timestamps : this.normalize(timestamps));\n }\n normalize(values) {\n return _arrayUnique(values.sort(sorter));\n }\n}\nTimeScale.id = 'time';\nTimeScale.defaults = {\n bounds: 'data',\n adapters: {},\n time: {\n parser: false,\n unit: false,\n round: false,\n isoWeekday: false,\n minUnit: 'millisecond',\n displayFormats: {}\n },\n ticks: {\n source: 'auto',\n major: {\n enabled: false\n }\n }\n};\n\nfunction interpolate(table, val, reverse) {\n let lo = 0;\n let hi = table.length - 1;\n let prevSource, nextSource, prevTarget, nextTarget;\n if (reverse) {\n if (val >= table[lo].pos && val <= table[hi].pos) {\n ({lo, hi} = _lookupByKey(table, 'pos', val));\n }\n ({pos: prevSource, time: prevTarget} = table[lo]);\n ({pos: nextSource, time: nextTarget} = table[hi]);\n } else {\n if (val >= table[lo].time && val <= table[hi].time) {\n ({lo, hi} = _lookupByKey(table, 'time', val));\n }\n ({time: prevSource, pos: prevTarget} = table[lo]);\n ({time: nextSource, pos: nextTarget} = table[hi]);\n }\n const span = nextSource - prevSource;\n return span ? prevTarget + (nextTarget - prevTarget) * (val - prevSource) / span : prevTarget;\n}\nclass TimeSeriesScale extends TimeScale {\n constructor(props) {\n super(props);\n this._table = [];\n this._minPos = undefined;\n this._tableRange = undefined;\n }\n initOffsets() {\n const timestamps = this._getTimestampsForTable();\n const table = this._table = this.buildLookupTable(timestamps);\n this._minPos = interpolate(table, this.min);\n this._tableRange = interpolate(table, this.max) - this._minPos;\n super.initOffsets(timestamps);\n }\n buildLookupTable(timestamps) {\n const {min, max} = this;\n const items = [];\n const table = [];\n let i, ilen, prev, curr, next;\n for (i = 0, ilen = timestamps.length; i < ilen; ++i) {\n curr = timestamps[i];\n if (curr >= min && curr <= max) {\n items.push(curr);\n }\n }\n if (items.length < 2) {\n return [\n {time: min, pos: 0},\n {time: max, pos: 1}\n ];\n }\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n next = items[i + 1];\n prev = items[i - 1];\n curr = items[i];\n if (Math.round((next + prev) / 2) !== curr) {\n table.push({time: curr, pos: i / (ilen - 1)});\n }\n }\n return table;\n }\n _getTimestampsForTable() {\n let timestamps = this._cache.all || [];\n if (timestamps.length) {\n return timestamps;\n }\n const data = this.getDataTimestamps();\n const label = this.getLabelTimestamps();\n if (data.length && label.length) {\n timestamps = this.normalize(data.concat(label));\n } else {\n timestamps = data.length ? data : label;\n }\n timestamps = this._cache.all = timestamps;\n return timestamps;\n }\n getDecimalForValue(value) {\n return (interpolate(this._table, value) - this._minPos) / this._tableRange;\n }\n getValueForPixel(pixel) {\n const offsets = this._offsets;\n const decimal = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end;\n return interpolate(this._table, decimal * this._tableRange + this._minPos, true);\n }\n}\nTimeSeriesScale.id = 'timeseries';\nTimeSeriesScale.defaults = TimeScale.defaults;\n\nvar scales = /*#__PURE__*/Object.freeze({\n__proto__: null,\nCategoryScale: CategoryScale,\nLinearScale: LinearScale,\nLogarithmicScale: LogarithmicScale,\nRadialLinearScale: RadialLinearScale,\nTimeScale: TimeScale,\nTimeSeriesScale: TimeSeriesScale\n});\n\nconst registerables = [\n controllers,\n elements,\n plugins,\n scales,\n];\n\nexport { Animation, Animations, ArcElement, BarController, BarElement, BasePlatform, BasicPlatform, BubbleController, CategoryScale, Chart, DatasetController, plugin_decimation as Decimation, DomPlatform, DoughnutController, Element, index as Filler, Interaction, plugin_legend as Legend, LineController, LineElement, LinearScale, LogarithmicScale, PieController, PointElement, PolarAreaController, RadarController, RadialLinearScale, Scale, ScatterController, plugin_subtitle as SubTitle, Ticks, TimeScale, TimeSeriesScale, plugin_title as Title, plugin_tooltip as Tooltip, adapters as _adapters, _detectPlatform, animator, controllers, elements, layouts, plugins, registerables, registry, scales };\n","import type { MouseEvent } from 'react';\nimport type {\n ChartType,\n ChartData,\n DefaultDataPoint,\n ChartDataset,\n ChartOptions,\n Chart,\n} from 'chart.js';\n\nimport type { ForwardedRef } from './types';\n\nconst defaultDatasetIdKey = 'label';\n\nexport function reforwardRef(ref: ForwardedRef, value: T) {\n if (typeof ref === 'function') {\n ref(value);\n } else if (ref) {\n ref.current = value;\n }\n}\n\nexport function setOptions<\n TType extends ChartType = ChartType,\n TData = DefaultDataPoint,\n TLabel = unknown\n>(chart: Chart, nextOptions: ChartOptions) {\n Object.assign(chart.options, nextOptions);\n}\n\nexport function setLabels<\n TType extends ChartType = ChartType,\n TData = DefaultDataPoint,\n TLabel = unknown\n>(\n currentData: ChartData,\n nextLabels: TLabel[] | undefined\n) {\n currentData.labels = nextLabels;\n}\n\nexport function setDatasets<\n TType extends ChartType = ChartType,\n TData = DefaultDataPoint,\n TLabel = unknown\n>(\n currentData: ChartData,\n nextDatasets: ChartDataset[],\n datasetIdKey = defaultDatasetIdKey\n) {\n const addedDatasets: ChartDataset[] = [];\n\n currentData.datasets = nextDatasets.map(\n (nextDataset: Record) => {\n // given the new set, find it's current match\n const currentDataset = currentData.datasets.find(\n (dataset: Record) =>\n dataset[datasetIdKey] === nextDataset[datasetIdKey]\n );\n\n // There is no original to update, so simply add new one\n if (\n !currentDataset ||\n !nextDataset.data ||\n addedDatasets.includes(currentDataset)\n ) {\n return { ...nextDataset } as ChartDataset;\n }\n\n addedDatasets.push(currentDataset);\n\n Object.assign(currentDataset, nextDataset);\n\n return currentDataset;\n }\n );\n}\n\nexport function cloneData<\n TType extends ChartType = ChartType,\n TData = DefaultDataPoint,\n TLabel = unknown\n>(data: ChartData, datasetIdKey = defaultDatasetIdKey) {\n const nextData: ChartData = {\n labels: [],\n datasets: [],\n };\n\n setLabels(nextData, data.labels);\n setDatasets(nextData, data.datasets, datasetIdKey);\n\n return nextData;\n}\n\n/**\n * Get dataset from mouse click event\n * @param chart - Chart.js instance\n * @param event - Mouse click event\n * @returns Dataset\n */\nexport function getDatasetAtEvent(\n chart: Chart,\n event: MouseEvent\n) {\n return chart.getElementsAtEventForMode(\n event.nativeEvent,\n 'dataset',\n { intersect: true },\n false\n );\n}\n\n/**\n * Get single dataset element from mouse click event\n * @param chart - Chart.js instance\n * @param event - Mouse click event\n * @returns Dataset\n */\nexport function getElementAtEvent(\n chart: Chart,\n event: MouseEvent\n) {\n return chart.getElementsAtEventForMode(\n event.nativeEvent,\n 'nearest',\n { intersect: true },\n false\n );\n}\n\n/**\n * Get all dataset elements from mouse click event\n * @param chart - Chart.js instance\n * @param event - Mouse click event\n * @returns Dataset\n */\nexport function getElementsAtEvent(\n chart: Chart,\n event: MouseEvent\n) {\n return chart.getElementsAtEventForMode(\n event.nativeEvent,\n 'index',\n { intersect: true },\n false\n );\n}\n","import React, { useEffect, useRef, forwardRef } from 'react';\nimport { Chart as ChartJS } from 'chart.js';\nimport type { ChartType, DefaultDataPoint } from 'chart.js';\n\nimport type { ForwardedRef, ChartProps, TypedChartComponent } from './types';\nimport {\n reforwardRef,\n cloneData,\n setOptions,\n setLabels,\n setDatasets,\n} from './utils';\n\nfunction ChartComponent<\n TType extends ChartType = ChartType,\n TData = DefaultDataPoint,\n TLabel = unknown\n>(\n {\n height = 150,\n width = 300,\n redraw = false,\n datasetIdKey,\n type,\n data,\n options,\n plugins = [],\n fallbackContent,\n updateMode,\n ...props\n }: ChartProps,\n ref: ForwardedRef>\n) {\n type TypedChartJS = ChartJS;\n\n const canvasRef = useRef(null);\n const chartRef = useRef();\n\n const renderChart = () => {\n if (!canvasRef.current) return;\n\n chartRef.current = new ChartJS(canvasRef.current, {\n type,\n data: cloneData(data, datasetIdKey),\n options: options && { ...options },\n plugins,\n });\n\n reforwardRef(ref, chartRef.current);\n };\n\n const destroyChart = () => {\n reforwardRef(ref, null);\n\n if (chartRef.current) {\n chartRef.current.destroy();\n chartRef.current = null;\n }\n };\n\n useEffect(() => {\n if (!redraw && chartRef.current && options) {\n setOptions(chartRef.current, options);\n }\n }, [redraw, options]);\n\n useEffect(() => {\n if (!redraw && chartRef.current) {\n setLabels(chartRef.current.config.data, data.labels);\n }\n }, [redraw, data.labels]);\n\n useEffect(() => {\n if (!redraw && chartRef.current && data.datasets) {\n setDatasets(chartRef.current.config.data, data.datasets, datasetIdKey);\n }\n }, [redraw, data.datasets]);\n\n useEffect(() => {\n if (!chartRef.current) return;\n\n if (redraw) {\n destroyChart();\n setTimeout(renderChart);\n } else {\n chartRef.current.update(updateMode);\n }\n }, [redraw, options, data.labels, data.datasets, updateMode]);\n\n useEffect(() => {\n if (!chartRef.current) return;\n\n destroyChart();\n setTimeout(renderChart);\n }, [type]);\n\n useEffect(() => {\n renderChart();\n\n return () => destroyChart();\n }, []);\n\n return (\n \n {fallbackContent}\n \n );\n}\n\nexport const Chart = forwardRef(ChartComponent) as TypedChartComponent;\n","import React, { forwardRef } from 'react';\nimport {\n Chart as ChartJS,\n LineController,\n BarController,\n RadarController,\n DoughnutController,\n PolarAreaController,\n BubbleController,\n PieController,\n ScatterController,\n} from 'chart.js';\nimport type { ChartType, ChartComponentLike } from 'chart.js';\n\nimport type {\n ChartProps,\n ChartJSOrUndefined,\n TypedChartComponent,\n} from './types';\nimport { Chart } from './chart';\n\nfunction createTypedChart(\n type: T,\n registerables: ChartComponentLike\n) {\n ChartJS.register(registerables);\n\n return forwardRef, Omit, 'type'>>(\n (props, ref) => \n ) as TypedChartComponent;\n}\n\nexport const Line = /* #__PURE__ */ createTypedChart('line', LineController);\n\nexport const Bar = /* #__PURE__ */ createTypedChart('bar', BarController);\n\nexport const Radar = /* #__PURE__ */ createTypedChart('radar', RadarController);\n\nexport const Doughnut = /* #__PURE__ */ createTypedChart(\n 'doughnut',\n DoughnutController\n);\n\nexport const PolarArea = /* #__PURE__ */ createTypedChart(\n 'polarArea',\n PolarAreaController\n);\n\nexport const Bubble = /* #__PURE__ */ createTypedChart(\n 'bubble',\n BubbleController\n);\n\nexport const Pie = /* #__PURE__ */ createTypedChart('pie', PieController);\n\nexport const Scatter = /* #__PURE__ */ createTypedChart(\n 'scatter',\n ScatterController\n);\n","/**\n * Copyright 2022 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport React, {Component} from 'react';\nimport {Line} from 'react-chartjs-2';\nimport {\n Chart as ChartJS,\n CategoryScale,\n LinearScale,\n PointElement,\n LineElement,\n Title,\n Tooltip,\n Legend,\n} from 'chart.js';\n\nimport {Series} from './back-end/time-series';\nimport {LocationMapping} from './TimelineExplorer';\n\nconst COLORS = [\n '#bcf60c',\n '#fabebe',\n '#008080',\n '#e6beff',\n '#9a6324',\n '#fffac8',\n '#800000',\n '#aaffc3',\n '#e6194b',\n '#3cb44b',\n '#ffe119',\n '#4363d8',\n '#f58231',\n '#911eb4',\n '#46f0f0',\n '#f032e6',\n '#808000',\n '#ffd8b1',\n '#000075',\n '#808080',\n '#d37295',\n '#000000',\n];\n\nconst LINE_OPTIONS = {\n interaction: {\n intersect: false,\n },\n scales: {\n x: {\n grid: {\n display: false,\n },\n },\n },\n plugins: {\n legend: {\n display: true,\n labels: {\n font: {\n size: 12,\n },\n },\n },\n },\n title: {},\n};\n\nChartJS.register(\n CategoryScale,\n LinearScale,\n PointElement,\n LineElement,\n Title,\n Tooltip,\n Legend,\n);\n\ninterface LineOptions {\n [element: string]: Object;\n}\n\ninterface DataSet {\n data: number[];\n label: string;\n fill: boolean;\n borderColor: string;\n}\n\ninterface LineData {\n labels: string[];\n datasets: DataSet[];\n}\n\ninterface TimeGraphPropType {\n /**\n * Passes the data to be plotted\n */\n data: Series[];\n\n /**\n * The title of the graph\n */\n title: string;\n\n /** A mapping from a location dcid to its name */\n locationMapping: LocationMapping;\n}\n\ninterface TimeGraphStateType {\n /** The lineData for the Line graph component */\n lineData: LineData;\n\n /** The lineOptions for the Line graph component */\n lineOptions: LineOptions;\n}\n\n/** Component to display a single graph */\nclass TimeGraph extends Component {\n /** Constructor for class, sets initial state\n * @param {TimeGraphPropType} props the props passed in by parent component\n */\n constructor(props: TimeGraphPropType) {\n super(props);\n this.state = {\n lineData: {\n labels: [],\n datasets: [],\n },\n lineOptions: {},\n };\n }\n\n /** Sets lineData and lineOptions when rendering */\n componentDidMount() {\n const lineOptions = this.getOptions();\n const lineData = this.getLineData();\n this.setState(\n {\n lineData,\n lineOptions,\n },\n );\n }\n\n /** Returns a new set of data where each series\n * has the same x-values (the union of all x-values)\n * @return {Series[]} an array of the data where missing values\n * are filled with undefined\n */\n getUnionData(): Series[] {\n const data = [];\n\n // Get union of x-values\n const allXSet: Set = new Set();\n for (const series of this.props.data) {\n for (const datapoint of series.data) {\n allXSet.add(datapoint.x);\n }\n }\n\n // Get sorted x-values\n const allX = [...allXSet];\n allX.sort();\n\n // Fill in missing values for each Series\n for (const series of this.props.data) {\n const seriesData: {[x: string]: number} = {};\n for (const datapoint of series.data) {\n seriesData[datapoint.x] = datapoint.y;\n }\n\n // Make a copy to use\n const newSeries = series.copy();\n\n // Update with new x,y values\n const newData = allX.map((x) => {\n return {\n x,\n y: seriesData[x],\n };\n });\n newSeries.data = newData;\n\n data.push(newSeries);\n }\n\n return data;\n }\n\n /**\n * Generates the data object necessary for the Line component\n * @return {LineData} the data object to be used a prop for Line\n */\n getLineData(): LineData {\n // Change series to have union of all x-values\n // Also sorts the data in the process\n const data = this.getUnionData();\n\n if (data.length === 0) {\n return {\n labels: [],\n datasets: [],\n };\n }\n\n // Get object per series\n const labels = data[0].data.map((datapoint) => datapoint.x);\n const datasets = data.map((series, i) => {\n const labelID = series.observationAbout;\n const label = this.props.locationMapping[labelID];\n return {\n label: label,\n fill: false,\n data: series.data.map((datapoint) => datapoint.y),\n borderColor: COLORS[i % COLORS.length],\n };\n });\n\n return {labels, datasets};\n }\n\n /**\n * Generate the graph's options\n * @return {LineOptions} the options for the graph\n */\n getOptions(): LineOptions {\n const options = {...LINE_OPTIONS};\n options.title = {\n display: true,\n text: this.props.title,\n };\n return options;\n }\n\n /** Renders the TimeGraph component.\n * @return {JSX.Element} the component using TSX code\n */\n render() : JSX.Element | null {\n if (Object.keys(this.state.lineData).length == 0) {\n return null;\n }\n return (\n
\n \n
\n );\n }\n}\n\nexport {TimeGraph};\n","/**\n * Copyright 2022 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport React, {Component} from 'react';\nimport Select, {MultiValue} from 'react-select';\n\nimport {Series, SeriesIdObject} from './back-end/time-series';\nimport {LoadingSpinner} from './LoadingSpinner';\nimport {getName} from './back-end/utils';\nimport {PageBar} from './PageBar';\nimport {TimeGraph} from './TimeGraph';\n\nconst STAT_VARS_PER_PAGE = 10;\nconst INITIAL_NUM_LOCATIONS = 5;\nconst GROUP_NUMBER = 20; // The maximum number of series per graph\n\ninterface SubGroup {\n subGroup: Series[];\n title: string;\n}\ninterface LocationGroupings {\n [group: string]: SubGroup[];\n}\n\ninterface Grouping {\n [group: string]: Series[];\n}\n\ninterface LocationMapping {\n [dcid: string]: string;\n}\n\ninterface SelectOption {\n value: string;\n label: string;\n}\n\ninterface TimelineExplorerPropType {\n /**\n * Passes the data to be plotted\n */\n data: Series[];\n\n /**\n * Indicates if uploaded files are currently being parsed.\n */\n loading: boolean;\n}\n\ninterface TimelineExplorerStateType {\n /** The currently selected locations to filter by */\n locations: string[];\n\n /** A list of possible locations to select from */\n locationOptions: SelectOption[]\n\n /** A mapping from a location dcid to its name */\n locationMapping: LocationMapping;\n\n /** The list of groups to plot, grouped by stat var */\n statVarGroups: Series[][];\n\n /** Tracks which page the user is currently viewing (0-indexed) */\n page: number;\n}\n\n/** Component to display the timeline explorer */\nclass TimelineExplorer extends Component<\n TimelineExplorerPropType,\n TimelineExplorerStateType\n> {\n /** Constructor for class, sets initial state\n * @param {TimelineExplorerPropType} props the props passed in by parent\n * component\n */\n constructor(props: TimelineExplorerPropType) {\n super(props);\n this.state = {\n locations: [],\n locationOptions: [],\n locationMapping: {},\n statVarGroups: [],\n page: 0,\n };\n }\n\n /**\n * Update the state variables whenever necessary given\n * the current value of this.props\n */\n updateState() {\n const locationsPromise = this.getAllLocations();\n locationsPromise.catch(\n () => {\n alert(\n `Error getting locations for data: ${this.props.data}`,\n );\n },\n );\n locationsPromise.then(\n (locationOptions) => {\n const locations = locationOptions.slice(0, INITIAL_NUM_LOCATIONS)\n .map(\n (option) => option.value,\n );\n const locationMapping: LocationMapping = {};\n locationOptions.forEach(\n (obj) => locationMapping[obj.value] = obj.label,\n );\n const page = 0;\n const statVarGroups = Object.values(\n this.getVariableToSeries(locations),\n ) as Series[][];\n this.setState(() => {\n return {\n locations,\n locationOptions,\n locationMapping,\n statVarGroups,\n page,\n };\n });\n },\n );\n }\n\n /** Tracks when component is mounted */\n componentDidMount() {\n this.updateState();\n }\n\n /** Set the location options\n * @param {TimelineExplorerPropType} prevProps the previous props\n */\n componentDidUpdate(prevProps: TimelineExplorerPropType) {\n if (prevProps.data !== this.props.data) {\n this.updateState();\n }\n }\n\n /** Returns the series objects which match the current locations filter\n * @param {string[]} locations a list of locations to filter by\n * @return {Series[]} series that match the filter\n */\n getFilteredData(locations: string[]): Series[] {\n const locationSet = new Set(locations);\n\n const filteredData = this.props.data.filter(\n (series) => locationSet.has(series.observationAbout),\n );\n\n return filteredData;\n }\n\n /** Processes the data passed in by props and returns the\n * data grouped by variableMeasured\n * @param {string[]} locations a list of locations to filter by\n * @return {Grouping} an object mapping from variableMeasured to an array\n * of Series with that variableMeasured value\n */\n getVariableToSeries(locations: string[]): Grouping {\n const output: Grouping = {};\n // Filter by location\n const data = this.getFilteredData(locations);\n\n for (const series of data) {\n const varMeasured = series.variableMeasured ?\n series.variableMeasured :\n '';\n if (!output[varMeasured]) {\n output[varMeasured] = [];\n }\n output[varMeasured].push(series);\n }\n\n return output;\n }\n\n\n /** Returns the JSX to render a group of related series\n * @param {Series[]} seriesList a list of series objects with\n * the same varMeasured\n * @param {LocationMapping} locationMapping a mapping from location dcid to\n * name\n * @return {JSX.Element} a details element plotting all of the series\n */\n renderSeriesGroup(seriesList: Series[], locationMapping: LocationMapping)\n : JSX.Element | null {\n if (seriesList.length === 0) {\n return null;\n }\n const varMeasured = seriesList[0].variableMeasured;\n const groups = this.groupSeriesByLocations(seriesList);\n const groupNames = Object.keys(groups);\n\n return (\n
\n {varMeasured}\n {\n groupNames.map(\n (groupName) =>\n this.renderTimeGraph(\n groups[groupName],\n groupName,\n groupNames.length === 1,\n locationMapping,\n ),\n )\n }\n
\n );\n }\n\n /** Get all locations using the observationAbout property\n * @return {SelectOption[]} a list of unique location objects\n */\n private async getAllLocations(): Promise {\n // Get an array of unique locations\n const seenLocations = new Set();\n const locations: string[] = [];\n for (const series of this.props.data) {\n const location = series.observationAbout;\n if (!seenLocations.has(location)) {\n locations.push(location);\n seenLocations.add(location);\n }\n }\n\n const labelPromises = locations.map((location) => {\n return ((location.startsWith('dcid:') ?\n getName(location.slice(5)) :\n getName(location)\n ));\n });\n\n return Promise.all(labelPromises).then(\n (labels) => {\n return locations.map((location, i) => {\n return {\n value: location,\n label: labels[i],\n };\n });\n },\n );\n }\n\n\n /** Groups data with equal values for everything except for their\n * locations into groups of groupNumber to be plotted together\n * @param {Series[]} seriesList the data to group\n * @return {LocationGroupings} an object where the keys are the group names\n * and the values are arrays where each element is a group of data\n * that contains the actual series list and the title of the graph\n */\n groupSeriesByLocations(seriesList: Series[]): LocationGroupings {\n // Group similar series\n const groups: Grouping = {};\n const exclude = ['observationAbout'];\n for (const series of seriesList) {\n const group = series.getHash(exclude);\n\n if (!groups[group]) {\n groups[group] = [];\n }\n\n groups[group].push(series);\n }\n\n // Separate groups into groups of size groupNumber\n const finalGroups: LocationGroupings = {};\n\n const groupNames = Object.keys(groups);\n for (const groupName of groupNames) {\n const group = groups[groupName];\n const numberOfSubgroups = Math.ceil(group.length / GROUP_NUMBER);\n\n finalGroups[groupName] = [];\n\n for (let i = 0; i < group.length; i += GROUP_NUMBER) {\n const subGroup = group.slice(i, i + GROUP_NUMBER);\n const title = (numberOfSubgroups > 1) ?\n `${groupName} (${i + 1} of ${numberOfSubgroups}) ` :\n `${groupName}`;\n\n finalGroups[groupName].push({subGroup, title});\n }\n }\n\n return finalGroups;\n }\n\n /**\n * Plot a TimeGraph component given all of the data and metadata\n * @param {SubGroup} seriesObj an object containing all the series to plot\n * and metadata for the plot\n * @param {LocationMapping} locationMapping a mapping from location dcid to\n * name\n * @return {JSX.Element} the TimeGraph component in TSX code\n */\n plotSeriesObj(seriesObj: SubGroup, locationMapping: LocationMapping)\n : JSX.Element {\n return ( series.id,\n ).join(',')}\n />);\n }\n\n /**\n * Renders a section containing all of the graphs for a group\n * of related series\n * @param {SubGroup[]} group an array of objects where each object contains\n * the data for a graph\n * @param {string} groupName the name of the group for the summary\n * @param {boolean} keepOpen whether or not to render the details open\n * @param {LocationMapping} locationMapping a mapping from location dcid to\n * name\n * @return {JSX.Element} the details section in TSX code\n */\n renderTimeGraph(\n group: SubGroup[],\n groupName: string,\n keepOpen: boolean,\n locationMapping: LocationMapping,\n ): JSX.Element {\n const facets: SeriesIdObject = Series.fromID(groupName);\n const facetKeys = Object.keys(facets) as (keyof typeof facets)[];\n return (\n
\n {groupName}\n {facetKeys.map((facet) => {\n return (\n (facets[facet] && facet !== 'variableMeasured') ?\n

{facet}: {facets[facet]}

:\n null\n );\n })}\n {group.map((seriesObj) =>\n this.plotSeriesObj(seriesObj, locationMapping))}\n
\n );\n }\n\n /** Renders the TimelineExplorer component.\n * @return {JSX.Element} the component using TSX code\n */\n render(): JSX.Element | null {\n if (this.props.data.length === 0) {\n return null;\n }\n const defaultValue = this.state.locationOptions.filter(\n (option: SelectOption) => this.state.locations.includes(option.value),\n );\n const maxPage = Math.ceil(\n this.state.statVarGroups.length / STAT_VARS_PER_PAGE,\n );\n const switchPage = (page: number) => this.setState({page});\n return (\n
\n {/* display loading animation while waiting*/}\n \n

Timeline Explorer

\n
\n
\n Select location(s): \n
\n {\n this.setState(() => {\n const locations = this.state.locationOptions.map(\n (option: SelectOption) => option.value,\n );\n const page = 0;\n return {\n locations,\n page,\n };\n });\n }}\n >Select All\n {\n this.setState({\n locations: [],\n page: 0,\n });\n }}\n >Clear All\n
\n
\n\n ) => {\n const locations = values.map((value) => value.value);\n this.setState(\n {\n locations,\n statVarGroups: Object.values(\n this.getVariableToSeries(locations),\n ) as Series[][],\n page: 0,\n },\n );\n }\n }\n />\n
\n\n
\n Variables\n
\n {\n document.querySelectorAll('details.stat-var-section')\n .forEach((section) => section.setAttribute('open', ''));\n }\n }\n >Expand All\n {\n document.querySelectorAll('details.stat-var-section')\n .forEach((section) => section.removeAttribute('open'));\n }\n }\n >Collapse All\n
\n
\n {this.state.statVarGroups\n .slice(\n this.state.page * STAT_VARS_PER_PAGE,\n (this.state.page + 1) * STAT_VARS_PER_PAGE,\n ).map(\n (seriesList) =>\n this.renderSeriesGroup(\n seriesList, this.state.locationMapping),\n )}\n {\n switchPage(PageBar.getNextPage(currPage, maxPage));\n }\n }\n onPrevPageClicked={\n (currPage: number) => {\n switchPage(PageBar.getPrevPage(currPage));\n }\n }\n onPageNumClicked={\n (newPage: number) => {\n switchPage(newPage - 1);\n }\n }\n />\n
\n );\n }\n}\n\nexport {TimelineExplorer};\n\nexport type {LocationMapping};\n","/**\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport React, {Component} from 'react';\n\nimport {Series} from './back-end/time-series';\nimport {ParsingError} from './back-end/utils';\nimport {FileEntry} from './FileEntry';\nimport {GraphExplorer} from './GraphExplorer';\nimport {ParsingErrorsTable} from './ParsingErrorsTable';\nimport {TimelineExplorer} from './TimelineExplorer';\nimport {openFile} from './utils';\n\ninterface HomePropType {\n /**\n * List of the files that have been uploaded by user.\n */\n fileList: Blob[];\n /**\n * Passes a file list to be submitted to the back-end for parsing.\n */\n upload: Function;\n /**\n * Passes a list of urls to be retrieved, then passed to the back-end\n * for parsing.\n */\n loadFiles: Function;\n /**\n * Return to the home page.\n */\n goToHome: Function;\n /**\n * Clears the loaded data from all files and resets App to its initial state.\n */\n clear: React.MouseEventHandler;\n /**\n * Error messages from parsing files specifying line number, line, and\n * helpful message indicating the error.\n */\n errs: ParsingError[];\n /**\n * Indicates if uploaded files are currently being parsed.\n */\n loading: boolean;\n /**\n * IDs for nodes stored in App's state which are the subject nodes of\n * triples from any parsed files.\n */\n subjNodes: string[];\n /**\n * Set id parameter in url to the given id. Used when user clicks a\n * subject node to explore.\n */\n onNodeClick: (id: string) => void;\n /**\n * Time series data uploaded by the user\n */\n timeData: Series[];\n}\n\ninterface HomeStateType {\n /**\n * Determines if the file entry dropdown option should be displayed.\n */\n dropdown: boolean;\n}\n\n/** Displays the currently loaded files, clear button, parsing errors, and\n * subject nodes.\n */\nclass Home extends Component {\n /** Constructor for class, sets initial state\n *\n * @param {HomePropType} props the props passed in by parent component\n */\n constructor(props: HomePropType) {\n super(props);\n this.state = {\n dropdown: false,\n };\n }\n\n /**\n * Toggles the boolean value of this.state.dropdown\n * whenever user expands or collapses the dropdown\n */\n toggleDropdown() {\n this.setState({dropdown: !this.state.dropdown});\n }\n\n /**\n * Renders the component\n *\n * @return {JSX.Element} the webpage using JSX code\n */\n render(): JSX.Element {\n if (this.props.fileList.length === 0) {\n // show file entry options, but do not toggle dropdown on file submission\n return (\n
\n
\n \n
\n
\n );\n }\n\n let addFileButtonClass;\n let addFileButtonText;\n\n if (this.state.dropdown) {\n addFileButtonClass = 'button expanded';\n addFileButtonText = 'Add File (-)';\n } else {\n addFileButtonClass = 'button';\n addFileButtonText = 'Add File (+)';\n }\n\n // show current files and subject nodes\n return (\n
\n {/* list current file names*/}\n
\n

Current Files

\n
    \n {this.props.fileList.map((file, index) => {\n const fileName = (file as File).name;\n const className =\n fileName.startsWith('https:') ? 'clickable' : '';\n return (\n {\n if (className) openFile(fileName);\n }}\n className={className}\n key={fileName + index}\n >\n {fileName}\n \n );\n })}\n
\n
\n\n {/* display clear files button*/}\n \n\n this.toggleDropdown()}\n >\n {addFileButtonText}\n \n\n {this.state.dropdown ? (\n this.toggleDropdown()}\n />\n ) : null}\n
\n\n {/* display parsing errors, if any*/}\n \n\n \n \n
\n );\n }\n}\n\nexport {Home};\n","/**\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport './index.css';\n\nimport axios from 'axios';\nimport React, {Component} from 'react';\n\nimport {Series} from './back-end/time-series';\nimport {Node} from './back-end/graph';\nimport * as API from './back-end/server-api';\nimport {ParsingError} from './back-end/utils';\nimport {DisplayNode} from './DisplayNode';\nimport {Header} from './Header';\nimport {Home} from './Home';\nimport * as utils from './utils';\n\n/** Interface for the App component's state */\ninterface AppStateType {\n /**\n *\n * Subject node IDs of the triples from files uploaded by user.\n */\n subjNodes: string[];\n /**\n * Node that should be displayed.\n */\n curNode: Node | null;\n /**\n * Files that have been uploaded by user.The locality of the csv files in\n * relation to the tmcf files is very important! The csv will be paired with\n * the closest tmcf file that comes before it whenever we are loading/parsing\n * the files in the backend.\n */\n files: Blob[];\n /**\n * Indicates if any files are currently being parsed by back-end.\n */\n loading: boolean;\n /**\n * Indicates if url needs to be parsed on component mount. True when the\n * application first loads and when files are cleared by user.\n */\n firstLoad: boolean;\n /**\n * Array of error message objects, one object per parsed file with errors.\n * The property 'errs' is in each object is an array of String arrays, one\n * String array per error within the given file which specifies line number,\n * line, and helpful message indicating the error. The 'file' property\n * provides the file name from which the error came.\n */\n parsingErrs: ParsingError[];\n /**\n * Contains the remote files specified by user in url format to be used as a\n * home base in the hash portion of the url while using those files.\n */\n fileHash: string;\n /**\n * Time series data uploaded by the user\n */\n timeData: Series[];\n}\n\n/** Drives the entire app and holds the state of the files and current node. */\nclass App extends Component<{}, AppStateType> {\n initialState: Readonly;\n /** Constructor for class, sets initial state\n *\n * @param {Object} props the props passed in by parent component\n */\n constructor(props: Object) {\n super(props);\n this.state = {\n subjNodes: [],\n curNode: null,\n files: [],\n loading: false,\n firstLoad: true,\n parsingErrs: [],\n fileHash: '#',\n timeData: [],\n };\n // save state for easy reset when user 'clears' files\n this.initialState = this.state;\n }\n\n /**\n * Adds an event listener to the window to respond to url hash changes.\n * Calls the method to parse the url if the mount is the first time\n * loading the app.\n */\n componentDidMount() {\n window.addEventListener(\n 'hashchange',\n () => this.handleHashChange(), false,\n );\n if (this.state.firstLoad) {\n this.parseUrl();\n this.setState({firstLoad: false});\n }\n }\n\n /**\n * Sets App state according to url parameters 'id' and 'search'.\n * The param 'id' is only set when the user clicks to the next node while\n * navigating the triples tables or the subject nodes list.\n * The 'search' param is set when the user uses the search bar. This causes\n * the dcid of the retreived node to try to be set so that a node will always\n * be displayed when a user seearches for it. If it does not exist in the KG,\n * then the node id will appear red in the display.\n */\n handleHashChange() {\n let node = null;\n\n const params = new URLSearchParams(window.location.hash.split('#')[1]);\n let nodeId = params.get('id');\n\n if (nodeId) {\n node = API.retrieveNode(nodeId, /* shouldCreateRemote */ false);\n } else {\n nodeId = params.get('search');\n if (nodeId) {\n node = API.retrieveNode(nodeId, /* shouldCreateRemote */ true);\n }\n }\n this.setState({curNode: node});\n }\n\n /**\n * Parses the URL upon the first load of the app. It loads the files that\n * are specfied or navigates to a node if an id specified by the search\n * param.\n */\n parseUrl() {\n const params = new URLSearchParams(window.location.hash.trim());\n const fileUrls = params.getAll('file');\n\n if (fileUrls.length) {\n this.loadRemoteFiles(fileUrls);\n } else {\n // get node to display from url\n const searchId = params.get('search');\n if (searchId) {\n const node = API.retrieveNode(searchId, /* shouldCreateRemote */ true);\n this.setState({curNode: node});\n }\n }\n }\n\n /**\n * Saves the file params as part of App's state so that the files remain in\n * the hash of the url when navigating between nodes.\n * @param {Array} fileUrlList File url list to be saved in the hash.\n */\n appendfileHash(fileUrlList: string[]) {\n let hash = this.state.fileHash;\n for (const fileUrl of fileUrlList) {\n hash += '&file=' + fileUrl;\n }\n this.setState({fileHash: hash});\n }\n\n /**\n * Retrieves file Blobs from array of file Urls, submits the new blobs to be\n * parsed, and appends them to App's state list of files uploaded by user.\n * @param {Array} fileUrls The array of file urls to load and append\n * to App state's files object.\n */\n async loadRemoteFiles(fileUrls: string[]) {\n this.appendfileHash(fileUrls);\n\n const newFiles = [];\n for (const fileUrl of fileUrls) {\n const res = await axios.request({\n url: fileUrl,\n method: 'GET',\n responseType: 'blob', // important\n });\n\n res.data.name = fileUrl;\n newFiles.push(res.data);\n\n this.setState((prevState) => ({\n files: [...prevState.files, res.data],\n }));\n }\n await this.submitFileList(newFiles);\n }\n\n /**\n * Saves the list of new blob files to App' state list of files and submits\n * them to be parsed.\n * @param {Array} fileList File blobs selcted by user via file picker.\n */\n async uploadFiles(fileList: Blob[]) {\n for (const file of fileList) {\n await this.setState((prevState) => ({\n files: [...prevState.files, file],\n }));\n }\n await this.submitFileList(this.state.files);\n }\n\n /**\n * Passes list of file blobs to the 'back-end' API to be parsed and loaded\n * into memory.\n * @param {Array} fileList File blobs to be parsed by back-end.\n */\n submitFileList(fileList: Blob[]) {\n this.setState({loading: true});\n\n const res = API.readFileList(fileList);\n res.then((res: API.ReadFileListResponse) => {\n this.setState(() => ({\n parsingErrs: res['errMsgs'],\n subjNodes: res['localNodes'],\n timeData: res['timeData'],\n loading: false,\n }), () => this.handleHashChange());\n });\n res.catch(\n () => this.setState({loading: false}),\n );\n }\n\n /**\n * Clear App state and calls the 'back-end' API clearFiles method.\n */\n onClearPress() {\n this.setState(this.initialState);\n API.clearFiles();\n utils.goTo('');\n }\n\n /**\n * Renders the browser by displaying a specific node or the homepage.\n *\n * @return {JSX.Element} the webpage using TSX code\n */\n render(): JSX.Element {\n return (\n
\n utils.goTo(this.state.fileHash)}\n searchId={(id: string) => utils.searchId(this.state.fileHash, id)}\n />\n\n {this.state.curNode ?\n // if curNode is set, then display it\n utils.onNodeClick(this.state.fileHash, id)\n } /> :\n // otherwise display home\n this.onClearPress()}\n errs={this.state.parsingErrs}\n loading={this.state.loading}\n subjNodes={this.state.subjNodes}\n upload={(files: Blob[]) => this.uploadFiles(files)}\n onNodeClick={\n (id: string) => utils.onNodeClick(this.state.fileHash, id)\n }\n loadFiles={\n (filesList: string[]) => this.loadRemoteFiles(filesList)\n }\n goToHome={() => utils.goTo(this.state.fileHash)}\n timeData={this.state.timeData} />\n }\n
\n );\n }\n}\n\nexport {App};\n","/**\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport './index.css';\n\nimport React from 'react';\nimport ReactDOM from 'react-dom';\n\nimport {App} from './App';\n\nReactDOM.render(\n \n \n ,\n 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