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node_modules/webpack/lib/config/browserslistTargetHandler.js

@@ -0,0 +1,333 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Sergey Melyukov @smelukov
+*/
+
+"use strict";
+
+const browserslist = require("browserslist");
+const path = require("path");
+
+/** @typedef {import("./target").ApiTargetProperties} ApiTargetProperties */
+/** @typedef {import("./target").EcmaTargetProperties} EcmaTargetProperties */
+/** @typedef {import("./target").PlatformTargetProperties} PlatformTargetProperties */
+
+// [[C:]/path/to/config][:env]
+const inputRx = /^(?:((?:[A-Z]:)?[/\\].*?))?(?::(.+?))?$/i;
+
+/**
+ * @typedef {Object} BrowserslistHandlerConfig
+ * @property {string=} configPath
+ * @property {string=} env
+ * @property {string=} query
+ */
+
+/**
+ * @param {string} input input string
+ * @param {string} context the context directory
+ * @returns {BrowserslistHandlerConfig} config
+ */
+const parse = (input, context) => {
+	if (!input) {
+		return {};
+	}
+
+	if (path.isAbsolute(input)) {
+		const [, configPath, env] = inputRx.exec(input) || [];
+		return { configPath, env };
+	}
+
+	const config = browserslist.findConfig(context);
+
+	if (config && Object.keys(config).includes(input)) {
+		return { env: input };
+	}
+
+	return { query: input };
+};
+
+/**
+ * @param {string} input input string
+ * @param {string} context the context directory
+ * @returns {string[] | undefined} selected browsers
+ */
+const load = (input, context) => {
+	const { configPath, env, query } = parse(input, context);
+
+	// if a query is specified, then use it, else
+	// if a path to a config is specified then load it, else
+	// find a nearest config
+	const config = query
+		? query
+		: configPath
+		? browserslist.loadConfig({
+				config: configPath,
+				env
+		  })
+		: browserslist.loadConfig({ path: context, env });
+
+	if (!config) return null;
+	return browserslist(config);
+};
+
+/**
+ * @param {string[]} browsers supported browsers list
+ * @returns {EcmaTargetProperties & PlatformTargetProperties & ApiTargetProperties} target properties
+ */
+const resolve = browsers => {
+	/**
+	 * Checks all against a version number
+	 * @param {Record<string, number | [number, number]>} versions first supported version
+	 * @returns {boolean} true if supports
+	 */
+	const rawChecker = versions => {
+		return browsers.every(v => {
+			const [name, parsedVersion] = v.split(" ");
+			if (!name) return false;
+			const requiredVersion = versions[name];
+			if (!requiredVersion) return false;
+			const [parsedMajor, parserMinor] =
+				// safari TP supports all features for normal safari
+				parsedVersion === "TP"
+					? [Infinity, Infinity]
+					: parsedVersion.split(".");
+			if (typeof requiredVersion === "number") {
+				return +parsedMajor >= requiredVersion;
+			}
+			return requiredVersion[0] === +parsedMajor
+				? +parserMinor >= requiredVersion[1]
+				: +parsedMajor > requiredVersion[0];
+		});
+	};
+	const anyNode = browsers.some(b => /^node /.test(b));
+	const anyBrowser = browsers.some(b => /^(?!node)/.test(b));
+	const browserProperty = !anyBrowser ? false : anyNode ? null : true;
+	const nodeProperty = !anyNode ? false : anyBrowser ? null : true;
+	// Internet Explorer Mobile, Blackberry browser and Opera Mini are very old browsers, they do not support new features
+	const es6DynamicImport = rawChecker({
+		chrome: 63,
+		and_chr: 63,
+		edge: 79,
+		firefox: 67,
+		and_ff: 67,
+		// ie: Not supported
+		opera: 50,
+		op_mob: 46,
+		safari: [11, 1],
+		ios_saf: [11, 3],
+		samsung: [8, 2],
+		android: 63,
+		and_qq: [10, 4],
+		// baidu: Not supported
+		// and_uc: Not supported
+		// kaios: Not supported
+		node: [12, 17]
+	});
+
+	return {
+		const: rawChecker({
+			chrome: 49,
+			and_chr: 49,
+			edge: 12,
+			// Prior to Firefox 13, <code>const</code> is implemented, but re-assignment is not failing.
+			// Prior to Firefox 46, a <code>TypeError</code> was thrown on redeclaration instead of a <code>SyntaxError</code>.
+			firefox: 36,
+			and_ff: 36,
+			// Not supported in for-in and for-of loops
+			// ie: Not supported
+			opera: 36,
+			op_mob: 36,
+			safari: [10, 0],
+			ios_saf: [10, 0],
+			// Before 5.0 supported correctly in strict mode, otherwise supported without block scope
+			samsung: [5, 0],
+			android: 37,
+			and_qq: [10, 4],
+			// Supported correctly in strict mode, otherwise supported without block scope
+			// baidu: Not supported
+			and_uc: [12, 12],
+			kaios: [2, 5],
+			node: [6, 0]
+		}),
+		arrowFunction: rawChecker({
+			chrome: 45,
+			and_chr: 45,
+			edge: 12,
+			// The initial implementation of arrow functions in Firefox made them automatically strict. This has been changed as of Firefox 24. The use of <code>'use strict';</code> is now required.
+			// Prior to Firefox 39, a line terminator (<code>\\n</code>) was incorrectly allowed after arrow function arguments. This has been fixed to conform to the ES2015 specification and code like <code>() \\n => {}</code> will now throw a <code>SyntaxError</code> in this and later versions.
+			firefox: 39,
+			and_ff: 39,
+			// ie: Not supported,
+			opera: 32,
+			op_mob: 32,
+			safari: 10,
+			ios_saf: 10,
+			samsung: [5, 0],
+			android: 45,
+			and_qq: [10, 4],
+			baidu: [7, 12],
+			and_uc: [12, 12],
+			kaios: [2, 5],
+			node: [6, 0]
+		}),
+		forOf: rawChecker({
+			chrome: 38,
+			and_chr: 38,
+			edge: 12,
+			// Prior to Firefox 51, using the for...of loop construct with the const keyword threw a SyntaxError ("missing = in const declaration").
+			firefox: 51,
+			and_ff: 51,
+			// ie: Not supported,
+			opera: 25,
+			op_mob: 25,
+			safari: 7,
+			ios_saf: 7,
+			samsung: [3, 0],
+			android: 38,
+			// and_qq: Unknown support
+			// baidu: Unknown support
+			// and_uc: Unknown support
+			// kaios: Unknown support
+			node: [0, 12]
+		}),
+		destructuring: rawChecker({
+			chrome: 49,
+			and_chr: 49,
+			edge: 14,
+			firefox: 41,
+			and_ff: 41,
+			// ie: Not supported,
+			opera: 36,
+			op_mob: 36,
+			safari: 8,
+			ios_saf: 8,
+			samsung: [5, 0],
+			android: 49,
+			// and_qq: Unknown support
+			// baidu: Unknown support
+			// and_uc: Unknown support
+			// kaios: Unknown support
+			node: [6, 0]
+		}),
+		bigIntLiteral: rawChecker({
+			chrome: 67,
+			and_chr: 67,
+			edge: 79,
+			firefox: 68,
+			and_ff: 68,
+			// ie: Not supported,
+			opera: 54,
+			op_mob: 48,
+			safari: 14,
+			ios_saf: 14,
+			samsung: [9, 2],
+			android: 67,
+			// and_qq: Not supported
+			// baidu: Not supported
+			// and_uc: Not supported
+			// kaios: Not supported
+			node: [10, 4]
+		}),
+		// Support syntax `import` and `export` and no limitations and bugs on Node.js
+		// Not include `export * as namespace`
+		module: rawChecker({
+			chrome: 61,
+			and_chr: 61,
+			edge: 16,
+			firefox: 60,
+			and_ff: 60,
+			// ie: Not supported,
+			opera: 48,
+			op_mob: 45,
+			safari: [10, 1],
+			ios_saf: [10, 3],
+			samsung: [8, 0],
+			android: 61,
+			and_qq: [10, 4],
+			// baidu: Not supported
+			// and_uc: Not supported
+			// kaios: Not supported
+			node: [12, 17]
+		}),
+		dynamicImport: es6DynamicImport,
+		dynamicImportInWorker: es6DynamicImport && !anyNode,
+		// browserslist does not have info about globalThis
+		// so this is based on mdn-browser-compat-data
+		globalThis: rawChecker({
+			chrome: 71,
+			and_chr: 71,
+			edge: 79,
+			firefox: 65,
+			and_ff: 65,
+			// ie: Not supported,
+			opera: 58,
+			op_mob: 50,
+			safari: [12, 1],
+			ios_saf: [12, 2],
+			samsung: [10, 1],
+			android: 71,
+			// and_qq: Unknown support
+			// baidu: Unknown support
+			// and_uc: Unknown support
+			// kaios: Unknown support
+			node: 12
+		}),
+		optionalChaining: rawChecker({
+			chrome: 80,
+			and_chr: 80,
+			edge: 80,
+			firefox: 74,
+			and_ff: 79,
+			// ie: Not supported,
+			opera: 67,
+			op_mob: 64,
+			safari: [13, 1],
+			ios_saf: [13, 4],
+			samsung: 13,
+			android: 80,
+			// and_qq: Not supported
+			// baidu: Not supported
+			// and_uc: Not supported
+			// kaios: Not supported
+			node: 14
+		}),
+		templateLiteral: rawChecker({
+			chrome: 41,
+			and_chr: 41,
+			edge: 13,
+			firefox: 34,
+			and_ff: 34,
+			// ie: Not supported,
+			opera: 29,
+			op_mob: 64,
+			safari: [9, 1],
+			ios_saf: 9,
+			samsung: 4,
+			android: 41,
+			and_qq: [10, 4],
+			baidu: [7, 12],
+			and_uc: [12, 12],
+			kaios: [2, 5],
+			node: 4
+		}),
+		browser: browserProperty,
+		electron: false,
+		node: nodeProperty,
+		nwjs: false,
+		web: browserProperty,
+		webworker: false,
+
+		document: browserProperty,
+		fetchWasm: browserProperty,
+		global: nodeProperty,
+		importScripts: false,
+		importScriptsInWorker: true,
+		nodeBuiltins: nodeProperty,
+		require: nodeProperty
+	};
+};
+
+module.exports = {
+	resolve,
+	load
+};

node_modules/webpack/lib/config/target.js

@@ -0,0 +1,348 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const memoize = require("../util/memoize");
+
+const getBrowserslistTargetHandler = memoize(() =>
+	require("./browserslistTargetHandler")
+);
+
+/**
+ * @param {string} context the context directory
+ * @returns {string} default target
+ */
+const getDefaultTarget = context => {
+	const browsers = getBrowserslistTargetHandler().load(null, context);
+	return browsers ? "browserslist" : "web";
+};
+
+/**
+ * @typedef {Object} PlatformTargetProperties
+ * @property {boolean | null} web web platform, importing of http(s) and std: is available
+ * @property {boolean | null} browser browser platform, running in a normal web browser
+ * @property {boolean | null} webworker (Web)Worker platform, running in a web/shared/service worker
+ * @property {boolean | null} node node platform, require of node built-in modules is available
+ * @property {boolean | null} nwjs nwjs platform, require of legacy nw.gui is available
+ * @property {boolean | null} electron electron platform, require of some electron built-in modules is available
+ */
+
+/**
+ * @typedef {Object} ElectronContextTargetProperties
+ * @property {boolean | null} electronMain in main context
+ * @property {boolean | null} electronPreload in preload context
+ * @property {boolean | null} electronRenderer in renderer context with node integration
+ */
+
+/**
+ * @typedef {Object} ApiTargetProperties
+ * @property {boolean | null} require has require function available
+ * @property {boolean | null} nodeBuiltins has node.js built-in modules available
+ * @property {boolean | null} document has document available (allows script tags)
+ * @property {boolean | null} importScripts has importScripts available
+ * @property {boolean | null} importScriptsInWorker has importScripts available when creating a worker
+ * @property {boolean | null} fetchWasm has fetch function available for WebAssembly
+ * @property {boolean | null} global has global variable available
+ */
+
+/**
+ * @typedef {Object} EcmaTargetProperties
+ * @property {boolean | null} globalThis has globalThis variable available
+ * @property {boolean | null} bigIntLiteral big int literal syntax is available
+ * @property {boolean | null} const const and let variable declarations are available
+ * @property {boolean | null} arrowFunction arrow functions are available
+ * @property {boolean | null} forOf for of iteration is available
+ * @property {boolean | null} destructuring destructuring is available
+ * @property {boolean | null} dynamicImport async import() is available
+ * @property {boolean | null} dynamicImportInWorker async import() is available when creating a worker
+ * @property {boolean | null} module ESM syntax is available (when in module)
+ * @property {boolean | null} optionalChaining optional chaining is available
+ * @property {boolean | null} templateLiteral template literal is available
+ */
+
+///** @typedef {PlatformTargetProperties | ApiTargetProperties | EcmaTargetProperties | PlatformTargetProperties & ApiTargetProperties | PlatformTargetProperties & EcmaTargetProperties | ApiTargetProperties & EcmaTargetProperties} TargetProperties */
+/** @template T @typedef {{ [P in keyof T]?: never }} Never<T> */
+/** @template A @template B @typedef {(A & Never<B>) | (Never<A> & B) | (A & B)} Mix<A,B> */
+/** @typedef {Mix<Mix<PlatformTargetProperties, ElectronContextTargetProperties>, Mix<ApiTargetProperties, EcmaTargetProperties>>} TargetProperties */
+
+const versionDependent = (major, minor) => {
+	if (!major) return () => /** @type {undefined} */ (undefined);
+	major = +major;
+	minor = minor ? +minor : 0;
+	return (vMajor, vMinor = 0) => {
+		return major > vMajor || (major === vMajor && minor >= vMinor);
+	};
+};
+
+/** @type {[string, string, RegExp, (...args: string[]) => TargetProperties | false][]} */
+const TARGETS = [
+	[
+		"browserslist / browserslist:env / browserslist:query / browserslist:path-to-config / browserslist:path-to-config:env",
+		"Resolve features from browserslist. Will resolve browserslist config automatically. Only browser or node queries are supported (electron is not supported). Examples: 'browserslist:modern' to use 'modern' environment from browserslist config",
+		/^browserslist(?::(.+))?$/,
+		(rest, context) => {
+			const browserslistTargetHandler = getBrowserslistTargetHandler();
+			const browsers = browserslistTargetHandler.load(
+				rest ? rest.trim() : null,
+				context
+			);
+			if (!browsers) {
+				throw new Error(`No browserslist config found to handle the 'browserslist' target.
+See https://github.com/browserslist/browserslist#queries for possible ways to provide a config.
+The recommended way is to add a 'browserslist' key to your package.json and list supported browsers (resp. node.js versions).
+You can also more options via the 'target' option: 'browserslist' / 'browserslist:env' / 'browserslist:query' / 'browserslist:path-to-config' / 'browserslist:path-to-config:env'`);
+			}
+			return browserslistTargetHandler.resolve(browsers);
+		}
+	],
+	[
+		"web",
+		"Web browser.",
+		/^web$/,
+		() => {
+			return {
+				web: true,
+				browser: true,
+				webworker: null,
+				node: false,
+				electron: false,
+				nwjs: false,
+
+				document: true,
+				importScriptsInWorker: true,
+				fetchWasm: true,
+				nodeBuiltins: false,
+				importScripts: false,
+				require: false,
+				global: false
+			};
+		}
+	],
+	[
+		"webworker",
+		"Web Worker, SharedWorker or Service Worker.",
+		/^webworker$/,
+		() => {
+			return {
+				web: true,
+				browser: true,
+				webworker: true,
+				node: false,
+				electron: false,
+				nwjs: false,
+
+				importScripts: true,
+				importScriptsInWorker: true,
+				fetchWasm: true,
+				nodeBuiltins: false,
+				require: false,
+				document: false,
+				global: false
+			};
+		}
+	],
+	[
+		"[async-]node[X[.Y]]",
+		"Node.js in version X.Y. The 'async-' prefix will load chunks asynchronously via 'fs' and 'vm' instead of 'require()'. Examples: node14.5, async-node10.",
+		/^(async-)?node(\d+(?:\.(\d+))?)?$/,
+		(asyncFlag, major, minor) => {
+			const v = versionDependent(major, minor);
+			// see https://node.green/
+			return {
+				node: true,
+				electron: false,
+				nwjs: false,
+				web: false,
+				webworker: false,
+				browser: false,
+
+				require: !asyncFlag,
+				nodeBuiltins: true,
+				global: true,
+				document: false,
+				fetchWasm: false,
+				importScripts: false,
+				importScriptsInWorker: false,
+
+				globalThis: v(12),
+				const: v(6),
+				templateLiteral: v(4),
+				optionalChaining: v(14),
+				arrowFunction: v(6),
+				forOf: v(5),
+				destructuring: v(6),
+				bigIntLiteral: v(10, 4),
+				dynamicImport: v(12, 17),
+				dynamicImportInWorker: major ? false : undefined,
+				module: v(12, 17)
+			};
+		}
+	],
+	[
+		"electron[X[.Y]]-main/preload/renderer",
+		"Electron in version X.Y. Script is running in main, preload resp. renderer context.",
+		/^electron(\d+(?:\.(\d+))?)?-(main|preload|renderer)$/,
+		(major, minor, context) => {
+			const v = versionDependent(major, minor);
+			// see https://node.green/ + https://github.com/electron/releases
+			return {
+				node: true,
+				electron: true,
+				web: context !== "main",
+				webworker: false,
+				browser: false,
+				nwjs: false,
+
+				electronMain: context === "main",
+				electronPreload: context === "preload",
+				electronRenderer: context === "renderer",
+
+				global: true,
+				nodeBuiltins: true,
+				require: true,
+				document: context === "renderer",
+				fetchWasm: context === "renderer",
+				importScripts: false,
+				importScriptsInWorker: true,
+
+				globalThis: v(5),
+				const: v(1, 1),
+				templateLiteral: v(1, 1),
+				optionalChaining: v(8),
+				arrowFunction: v(1, 1),
+				forOf: v(0, 36),
+				destructuring: v(1, 1),
+				bigIntLiteral: v(4),
+				dynamicImport: v(11),
+				dynamicImportInWorker: major ? false : undefined,
+				module: v(11)
+			};
+		}
+	],
+	[
+		"nwjs[X[.Y]] / node-webkit[X[.Y]]",
+		"NW.js in version X.Y.",
+		/^(?:nwjs|node-webkit)(\d+(?:\.(\d+))?)?$/,
+		(major, minor) => {
+			const v = versionDependent(major, minor);
+			// see https://node.green/ + https://github.com/nwjs/nw.js/blob/nw48/CHANGELOG.md
+			return {
+				node: true,
+				web: true,
+				nwjs: true,
+				webworker: null,
+				browser: false,
+				electron: false,
+
+				global: true,
+				nodeBuiltins: true,
+				document: false,
+				importScriptsInWorker: false,
+				fetchWasm: false,
+				importScripts: false,
+				require: false,
+
+				globalThis: v(0, 43),
+				const: v(0, 15),
+				templateLiteral: v(0, 13),
+				optionalChaining: v(0, 44),
+				arrowFunction: v(0, 15),
+				forOf: v(0, 13),
+				destructuring: v(0, 15),
+				bigIntLiteral: v(0, 32),
+				dynamicImport: v(0, 43),
+				dynamicImportInWorker: major ? false : undefined,
+				module: v(0, 43)
+			};
+		}
+	],
+	[
+		"esX",
+		"EcmaScript in this version. Examples: es2020, es5.",
+		/^es(\d+)$/,
+		version => {
+			let v = +version;
+			if (v < 1000) v = v + 2009;
+			return {
+				const: v >= 2015,
+				templateLiteral: v >= 2015,
+				optionalChaining: v >= 2020,
+				arrowFunction: v >= 2015,
+				forOf: v >= 2015,
+				destructuring: v >= 2015,
+				module: v >= 2015,
+				globalThis: v >= 2020,
+				bigIntLiteral: v >= 2020,
+				dynamicImport: v >= 2020,
+				dynamicImportInWorker: v >= 2020
+			};
+		}
+	]
+];
+
+/**
+ * @param {string} target the target
+ * @param {string} context the context directory
+ * @returns {TargetProperties} target properties
+ */
+const getTargetProperties = (target, context) => {
+	for (const [, , regExp, handler] of TARGETS) {
+		const match = regExp.exec(target);
+		if (match) {
+			const [, ...args] = match;
+			const result = handler(...args, context);
+			if (result) return result;
+		}
+	}
+	throw new Error(
+		`Unknown target '${target}'. The following targets are supported:\n${TARGETS.map(
+			([name, description]) => `* ${name}: ${description}`
+		).join("\n")}`
+	);
+};
+
+const mergeTargetProperties = targetProperties => {
+	const keys = new Set();
+	for (const tp of targetProperties) {
+		for (const key of Object.keys(tp)) {
+			keys.add(key);
+		}
+	}
+	const result = {};
+	for (const key of keys) {
+		let hasTrue = false;
+		let hasFalse = false;
+		for (const tp of targetProperties) {
+			const value = tp[key];
+			switch (value) {
+				case true:
+					hasTrue = true;
+					break;
+				case false:
+					hasFalse = true;
+					break;
+			}
+		}
+		if (hasTrue || hasFalse)
+			result[key] = hasFalse && hasTrue ? null : hasTrue ? true : false;
+	}
+	return /** @type {TargetProperties} */ (result);
+};
+
+/**
+ * @param {string[]} targets the targets
+ * @param {string} context the context directory
+ * @returns {TargetProperties} target properties
+ */
+const getTargetsProperties = (targets, context) => {
+	return mergeTargetProperties(
+		targets.map(t => getTargetProperties(t, context))
+	);
+};
+
+exports.getDefaultTarget = getDefaultTarget;
+exports.getTargetProperties = getTargetProperties;
+exports.getTargetsProperties = getTargetsProperties;