361 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			361 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /*
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| 	MIT License http://www.opensource.org/licenses/mit-license.php
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| 	Author Tobias Koppers @sokra
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| */
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| 
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| "use strict";
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| 
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| const { ConcatSource, OriginalSource } = require("webpack-sources");
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| const ExternalModule = require("../ExternalModule");
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| const Template = require("../Template");
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| const AbstractLibraryPlugin = require("./AbstractLibraryPlugin");
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| 
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| /** @typedef {import("webpack-sources").Source} Source */
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| /** @typedef {import("../../declarations/WebpackOptions").LibraryCustomUmdCommentObject} LibraryCustomUmdCommentObject */
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| /** @typedef {import("../../declarations/WebpackOptions").LibraryCustomUmdObject} LibraryCustomUmdObject */
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| /** @typedef {import("../../declarations/WebpackOptions").LibraryName} LibraryName */
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| /** @typedef {import("../../declarations/WebpackOptions").LibraryOptions} LibraryOptions */
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| /** @typedef {import("../../declarations/WebpackOptions").LibraryType} LibraryType */
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| /** @typedef {import("../Compiler")} Compiler */
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| /** @typedef {import("../javascript/JavascriptModulesPlugin").RenderContext} RenderContext */
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| /** @typedef {import("../ExternalModule").RequestRecord} RequestRecord */
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| /** @typedef {import("../util/Hash")} Hash */
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| /**
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|  * @template T
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|  * @typedef {import("./AbstractLibraryPlugin").LibraryContext<T>}
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|  * LibraryContext<T>
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|  */
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| 
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| /**
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|  * @param {string[]} accessor the accessor to convert to path
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|  * @returns {string} the path
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|  */
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| const accessorToObjectAccess = (accessor) =>
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| 	accessor.map((a) => `[${JSON.stringify(a)}]`).join("");
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| 
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| /**
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|  * @param {string|undefined} base the path prefix
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|  * @param {string|string[]} accessor the accessor
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|  * @param {string=} joinWith the element separator
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|  * @returns {string} the path
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|  */
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| const accessorAccess = (base, accessor, joinWith = ", ") => {
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| 	const accessors = Array.isArray(accessor) ? accessor : [accessor];
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| 	return accessors
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| 		.map((_, idx) => {
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| 			const a = base
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| 				? base + accessorToObjectAccess(accessors.slice(0, idx + 1))
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| 				: accessors[0] + accessorToObjectAccess(accessors.slice(1, idx + 1));
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| 			if (idx === accessors.length - 1) return a;
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| 			if (idx === 0 && base === undefined) {
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| 				return `${a} = typeof ${a} === "object" ? ${a} : {}`;
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| 			}
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| 			return `${a} = ${a} || {}`;
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| 		})
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| 		.join(joinWith);
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| };
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| 
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| /** @typedef {string | string[] | LibraryCustomUmdObject} UmdLibraryPluginName */
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| 
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| /**
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|  * @typedef {object} UmdLibraryPluginOptions
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|  * @property {LibraryType} type
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|  * @property {boolean=} optionalAmdExternalAsGlobal
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|  */
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| 
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| /**
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|  * @typedef {object} UmdLibraryPluginParsed
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|  * @property {string | string[] | undefined} name
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|  * @property {LibraryCustomUmdObject} names
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|  * @property {string | LibraryCustomUmdCommentObject | undefined} auxiliaryComment
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|  * @property {boolean | undefined} namedDefine
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|  */
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| 
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| /**
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|  * @typedef {UmdLibraryPluginParsed} T
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|  * @extends {AbstractLibraryPlugin<UmdLibraryPluginParsed>}
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|  */
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| class UmdLibraryPlugin extends AbstractLibraryPlugin {
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| 	/**
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| 	 * @param {UmdLibraryPluginOptions} options the plugin option
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| 	 */
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| 	constructor(options) {
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| 		super({
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| 			pluginName: "UmdLibraryPlugin",
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| 			type: options.type
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| 		});
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| 
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| 		this.optionalAmdExternalAsGlobal = options.optionalAmdExternalAsGlobal;
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| 	}
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| 
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| 	/**
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| 	 * @param {LibraryOptions} library normalized library option
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| 	 * @returns {T | false} preprocess as needed by overriding
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| 	 */
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| 	parseOptions(library) {
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| 		/** @type {LibraryName | undefined} */
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| 		let name;
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| 		/** @type {LibraryCustomUmdObject} */
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| 		let names;
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| 		if (typeof library.name === "object" && !Array.isArray(library.name)) {
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| 			name = library.name.root || library.name.amd || library.name.commonjs;
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| 			names = library.name;
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| 		} else {
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| 			name = library.name;
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| 			const singleName = Array.isArray(name) ? name[0] : name;
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| 			names = {
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| 				commonjs: singleName,
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| 				root: library.name,
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| 				amd: singleName
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| 			};
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| 		}
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| 		return {
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| 			name,
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| 			names,
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| 			auxiliaryComment: library.auxiliaryComment,
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| 			namedDefine: library.umdNamedDefine
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| 		};
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| 	}
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| 
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| 	/**
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| 	 * @param {Source} source source
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| 	 * @param {RenderContext} renderContext render context
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| 	 * @param {LibraryContext<T>} libraryContext context
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| 	 * @returns {Source} source with library export
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| 	 */
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| 	render(
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| 		source,
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| 		{ chunkGraph, runtimeTemplate, chunk, moduleGraph },
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| 		{ options, compilation }
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| 	) {
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| 		const modules = chunkGraph
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| 			.getChunkModules(chunk)
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| 			.filter(
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| 				(m) =>
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| 					m instanceof ExternalModule &&
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| 					(m.externalType === "umd" || m.externalType === "umd2")
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| 			);
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| 		let externals = /** @type {ExternalModule[]} */ (modules);
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| 		/** @type {ExternalModule[]} */
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| 		const optionalExternals = [];
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| 		/** @type {ExternalModule[]} */
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| 		let requiredExternals = [];
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| 		if (this.optionalAmdExternalAsGlobal) {
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| 			for (const m of externals) {
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| 				if (m.isOptional(moduleGraph)) {
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| 					optionalExternals.push(m);
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| 				} else {
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| 					requiredExternals.push(m);
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| 				}
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| 			}
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| 			externals = [...requiredExternals, ...optionalExternals];
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| 		} else {
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| 			requiredExternals = externals;
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| 		}
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| 
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| 		/**
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| 		 * @param {string} str the string to replace
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| 		 * @returns {string} the replaced keys
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| 		 */
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| 		const replaceKeys = (str) =>
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| 			compilation.getPath(str, {
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| 				chunk
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| 			});
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| 
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| 		/**
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| 		 * @param {ExternalModule[]} modules external modules
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| 		 * @returns {string} result
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| 		 */
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| 		const externalsDepsArray = (modules) =>
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| 			`[${replaceKeys(
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| 				modules
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| 					.map((m) =>
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| 						JSON.stringify(
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| 							typeof m.request === "object"
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| 								? /** @type {RequestRecord} */
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| 									(m.request).amd
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| 								: m.request
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| 						)
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| 					)
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| 					.join(", ")
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| 			)}]`;
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| 
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| 		/**
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| 		 * @param {ExternalModule[]} modules external modules
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| 		 * @returns {string} result
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| 		 */
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| 		const externalsRootArray = (modules) =>
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| 			replaceKeys(
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| 				modules
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| 					.map((m) => {
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| 						let request = m.request;
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| 						if (typeof request === "object") {
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| 							request =
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| 								/** @type {RequestRecord} */
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| 								(request).root;
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| 						}
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| 						return `root${accessorToObjectAccess(
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| 							/** @type {string[]} */
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| 							([...(Array.isArray(request) ? request : [request])])
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| 						)}`;
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| 					})
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| 					.join(", ")
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| 			);
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| 
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| 		/**
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| 		 * @param {string} type the type
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| 		 * @returns {string} external require array
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| 		 */
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| 		const externalsRequireArray = (type) =>
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| 			replaceKeys(
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| 				externals
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| 					.map((m) => {
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| 						let expr;
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| 						let request = m.request;
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| 						if (typeof request === "object") {
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| 							request =
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| 								/** @type {RequestRecord} */
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| 								(request)[type];
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| 						}
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| 						if (request === undefined) {
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| 							throw new Error(
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| 								`Missing external configuration for type:${type}`
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| 							);
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| 						}
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| 						expr = Array.isArray(request)
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| 							? `require(${JSON.stringify(
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| 									request[0]
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| 								)})${accessorToObjectAccess(request.slice(1))}`
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| 							: `require(${JSON.stringify(request)})`;
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| 						if (m.isOptional(moduleGraph)) {
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| 							expr = `(function webpackLoadOptionalExternalModule() { try { return ${expr}; } catch(e) {} }())`;
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| 						}
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| 						return expr;
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| 					})
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| 					.join(", ")
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| 			);
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| 
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| 		/**
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| 		 * @param {ExternalModule[]} modules external modules
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| 		 * @returns {string} arguments
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| 		 */
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| 		const externalsArguments = (modules) =>
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| 			modules
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| 				.map(
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| 					(m) =>
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| 						`__WEBPACK_EXTERNAL_MODULE_${Template.toIdentifier(
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| 							`${chunkGraph.getModuleId(m)}`
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| 						)}__`
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| 				)
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| 				.join(", ");
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| 
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| 		/**
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| 		 * @param {string| string[]} library library name
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| 		 * @returns {string} stringified library name
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| 		 */
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| 		const libraryName = (library) =>
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| 			JSON.stringify(
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| 				replaceKeys(
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| 					/** @type {string} */
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| 					(
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| 						/** @type {string[]} */
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| 						([...(Array.isArray(library) ? library : [library])]).pop()
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| 					)
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| 				)
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| 			);
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| 
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| 		let amdFactory;
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| 		if (optionalExternals.length > 0) {
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| 			const wrapperArguments = externalsArguments(requiredExternals);
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| 			const factoryArguments =
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| 				requiredExternals.length > 0
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| 					? `${externalsArguments(requiredExternals)}, ${externalsRootArray(
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| 							optionalExternals
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| 						)}`
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| 					: externalsRootArray(optionalExternals);
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| 			amdFactory =
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| 				`function webpackLoadOptionalExternalModuleAmd(${wrapperArguments}) {\n` +
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| 				`			return factory(${factoryArguments});\n` +
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| 				"		}";
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| 		} else {
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| 			amdFactory = "factory";
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| 		}
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| 
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| 		const { auxiliaryComment, namedDefine, names } = options;
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| 
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| 		/**
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| 		 * @param {keyof LibraryCustomUmdCommentObject} type type
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| 		 * @returns {string} comment
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| 		 */
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| 		const getAuxiliaryComment = (type) => {
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| 			if (auxiliaryComment) {
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| 				if (typeof auxiliaryComment === "string") {
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| 					return `\t//${auxiliaryComment}\n`;
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| 				}
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| 				if (auxiliaryComment[type]) return `\t//${auxiliaryComment[type]}\n`;
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| 			}
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| 			return "";
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| 		};
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| 
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| 		return new ConcatSource(
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| 			new OriginalSource(
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| 				`(function webpackUniversalModuleDefinition(root, factory) {\n${getAuxiliaryComment(
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| 					"commonjs2"
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| 				)}	if(typeof exports === 'object' && typeof module === 'object')\n` +
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| 					`		module.exports = factory(${externalsRequireArray(
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| 						"commonjs2"
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| 					)});\n${getAuxiliaryComment(
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| 						"amd"
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| 					)}	else if(typeof define === 'function' && define.amd)\n${
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| 						requiredExternals.length > 0
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| 							? names.amd && namedDefine === true
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| 								? `		define(${libraryName(names.amd)}, ${externalsDepsArray(
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| 										requiredExternals
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| 									)}, ${amdFactory});\n`
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| 								: `		define(${externalsDepsArray(requiredExternals)}, ${
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| 										amdFactory
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| 									});\n`
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| 							: names.amd && namedDefine === true
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| 								? `		define(${libraryName(names.amd)}, [], ${amdFactory});\n`
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| 								: `		define([], ${amdFactory});\n`
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| 					}${
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| 						names.root || names.commonjs
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| 							? `${getAuxiliaryComment(
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| 									"commonjs"
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| 								)}	else if(typeof exports === 'object')\n` +
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| 								`		exports[${libraryName(
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| 									/** @type {string | string[]} */
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| 									(names.commonjs || names.root)
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| 								)}] = factory(${externalsRequireArray(
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| 									"commonjs"
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| 								)});\n${getAuxiliaryComment("root")}	else\n` +
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| 								`		${replaceKeys(
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| 									accessorAccess(
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| 										"root",
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| 										/** @type {string | string[]} */
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| 										(names.root || names.commonjs)
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| 									)
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| 								)} = factory(${externalsRootArray(externals)});\n`
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| 							: `	else {\n${
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| 									externals.length > 0
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| 										? `		var a = typeof exports === 'object' ? factory(${externalsRequireArray(
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| 												"commonjs"
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| 											)}) : factory(${externalsRootArray(externals)});\n`
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| 										: "		var a = factory();\n"
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| 								}		for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];\n` +
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| 								"	}\n"
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| 					}})(${runtimeTemplate.outputOptions.globalObject}, ${
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| 						runtimeTemplate.supportsArrowFunction()
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| 							? `(${externalsArguments(externals)}) =>`
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| 							: `function(${externalsArguments(externals)})`
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| 					} {\nreturn `,
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| 				"webpack/universalModuleDefinition"
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| 			),
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| 			source,
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| 			";\n})"
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| 		);
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| 	}
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| }
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| 
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| module.exports = UmdLibraryPlugin;
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