Added ES8 support

Makefile

@@ -0,0 +1,42 @@
+PYTHON ?= python3
+# CURDIR is reliable with spaces; lastword(MAKEFILE_LIST) breaks on "Web Browser/..."
+ROOT := $(CURDIR)
+
+export PYTHONPATH := $(ROOT)
+
+.PHONY: help test test-simple test-es6 test-es7 test-es8 test-async test-language test-all
+
+help:
+	@echo "Js2Py test targets:"
+	@echo "  make test          Run quick integration tests (default)"
+	@echo "  make test-simple   Run simple_test.py (ES5 + ES6 smoke tests)"
+	@echo "  make test-es6      Run tests/test_es6.py"
+	@echo "  make test-es7      Run tests/test_es7.py"
+	@echo "  make test-es8      Run tests/test_es8.py"
+	@echo "  make test-async    Run tests/test_async.py"
+	@echo "  make test-language Run ES5.1 language suite (tests/run.py, slow)"
+	@echo "  make test-all      Run quick tests and the language suite"
+
+test: test-simple test-es6 test-es7 test-es8 test-async
+	@:
+
+test-simple:
+	PYTHONPATH="$(ROOT)" $(PYTHON) "$(ROOT)/simple_test.py"
+
+test-es6:
+	PYTHONPATH="$(ROOT)" $(PYTHON) "$(ROOT)/tests/test_es6.py"
+
+test-es7:
+	PYTHONPATH="$(ROOT)" $(PYTHON) "$(ROOT)/tests/test_es7.py"
+
+test-es8:
+	PYTHONPATH="$(ROOT)" $(PYTHON) "$(ROOT)/tests/test_es8.py"
+
+test-async:
+	PYTHONPATH="$(ROOT)" $(PYTHON) "$(ROOT)/tests/test_async.py"
+
+test-language:
+	@test -f "$(ROOT)/tests/node_failed.txt" || touch "$(ROOT)/tests/node_failed.txt"
+	cd "$(ROOT)/tests" && PYTHONPATH="$(ROOT)" $(PYTHON) run.py
+
+test-all: test test-language

js2py/__init__.py

@@ -65,7 +65,8 @@
 __all__ = [
     'EvalJs', 'translate_js', 'import_js', 'eval_js', 'parse_js',
     'translate_file', 'run_file', 'disable_pyimport', 'eval_js6',
-    'translate_js6', 'PyJsException', 'get_file_contents',
+    'translate_js6', 'eval_js7', 'translate_js7', 'eval_js8', 'translate_js8',
+    'eval_js_async', 'translate_js_async', 'drain_event_loop', 'PyJsException', 'get_file_contents',
     'write_file_contents', 'require'
 ]
 

js2py/async_js/__init__.py

@@ -0,0 +1,5 @@
+"""Async/await support for Js2Py."""
+
+from .transform import downlevel_async_await, looks_like_async
+
+__all__ = ['downlevel_async_await', 'looks_like_async']