# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"(?<=^|[\n;](?:[\t ]*(?:\w+ )?)?)(?:(?:const\s*|let\s*|var\s*)?(?<imports>(?:[$_\p{ID_Start}][$\u200C\u200D\p{ID_Continue}]*)|(?<=const\s*|let\s*|var\s*)(?:[\w\t\n\r \"$'*,./:{}-]+?))\s*=\s*)?(?:await\s+)?(?<expression>import\((?<specifier>[\S\t\n\r]+?)(?:,\s*(?<options>\{\s*assert:.+[\w\t\n\r \"':]+\}\s*\}))?\))"
test_str = ("await import(foo)\n"
"await import('foo')\n"
"const foo = await import('bar')\n"
"const foo = await import(bar)\n"
"const promise = import('./foo');\n"
"const { readPackage } = await import('read-pkg')\n"
"const { \n"
" readPackageUp,\n"
" readPackageUpSync\n"
"} = await import('read-pkg');\n"
"const {\n"
" addFive,\n"
" addFour,\n"
" addThree,\n"
" addTwo,\n"
" squareFive,\n"
" squareFour,\n"
" squareThree,\n"
" squareTwo\n"
"} = await import('./lib')\n"
"await import('buzz').then(() => console.log(res)).catch(() => ({}))\n"
"var g;const{foo}=await import('bar');const{ foo }=await import('bar')\n"
"import('buzz').then(() => console.log(res)).catch(() => ({}))\n"
"import('buzz').then(() => console.log(res)).catch(() => ({}))\n\n"
"import('buzz').catch(() => ({}))\n\n"
"const foo = \"./utils.mjs\"; await import(foo)\n\n"
"const { default: barData } =\n"
" await import('./bar.json');\n\n"
"const { default: barData } =\n"
" await import('./bar.json', { assert: { type: 'json' } });\n\n"
"(async () => {\n"
" if (somethingIsTrue) {\n"
" // import module for side effects\n"
" await import(\"/modules/my-module.js\");\n"
" }\n"
"})();\n\n"
"await import('__tests__/report.json', { \n"
" assert: { type: 'json' }\n"
"})\n\n"
" await import('__tests__/report.json', {\n"
" assert: { type: 'json' }\n"
" })\n\n"
"(async () => {\n"
" if (somethingIsTrue) {\n"
" const {\n"
" default: myDefault,\n"
" foo,\n"
" bar,\n"
" } = await import(\"/modules/my-module.js\");\n"
" }\n"
"})();\n\n"
"const main = document.querySelector(\"main\");\n"
"for (const link of document.querySelectorAll(\"nav > a\")) {\n"
" link.addEventListener(\"click\", (e) => {\n"
" e.preventDefault();\n\n"
" import(\"/modules/my-module.js\")\n"
" .then((module) => {\n"
" module.loadPageInto(main);\n"
" })\n"
" .then((module) => {\n"
" module.loadPageInto(main);\n"
" })\n"
" .then((module) => {\n"
" module.loadPageInto(main);\n"
" })\n"
" .catch((err) => {\n"
" main.textContent = err.message;\n"
" });\n"
" });\n"
"}\n\n"
"let myModule;\n\n"
"if (typeof window === \"undefined\") {\n"
" myModule = await import(\"module-used-on-server\");\n"
"} else {\n"
" myModule = await import(\"module-used-in-browser\");\n"
"}\n\n"
"Promise.all(\n"
" Array.from({ length: 10 }).map((_, index) =>\n"
" import(`/modules/module-${index}.js`)\n"
" )\n"
").then((modules) => modules.forEach((module) => module.load()));\n\n"
" Array.from({ length: 10 }).map((_, index) => {\n"
" return import(`/modules/module-${index}.js`)\n"
" })\n\n"
"'await import(\"foo\")'\n"
"\"await import('foo')\"\n\n"
"// await import('foo')\n\n"
"/**\n"
" * @example\n"
" * const { readPackageUp } = await import('read-pkg')\n"
" */\n")
matches = re.finditer(regex, test_str, re.UNICODE)
for matchNum, match in enumerate(matches, start=1):
print ("Match {matchNum} was found at {start}-{end}: {match}".format(matchNum = matchNum, start = match.start(), end = match.end(), match = match.group()))
for groupNum in range(0, len(match.groups())):
groupNum = groupNum + 1
print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = match.start(groupNum), end = match.end(groupNum), group = match.group(groupNum)))
# Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Python, please visit: https://docs.python.org/3/library/re.html