mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			117 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			117 lines
		
	
	
		
			3.5 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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"use strict";
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/** @typedef {import("../../declarations/WebpackOptions").ChunkLoadingType} ChunkLoadingType */
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/** @typedef {import("../Compiler")} Compiler */
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/** @type {WeakMap<Compiler, Set<ChunkLoadingType>>} */
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const enabledTypes = new WeakMap();
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const getEnabledTypes = compiler => {
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	let set = enabledTypes.get(compiler);
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	if (set === undefined) {
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		set = new Set();
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		enabledTypes.set(compiler, set);
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	}
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	return set;
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};
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class EnableChunkLoadingPlugin {
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	/**
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	 * @param {ChunkLoadingType} type library type that should be available
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	 */
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	constructor(type) {
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		this.type = type;
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	}
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	/**
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	 * @param {Compiler} compiler the compiler instance
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	 * @param {ChunkLoadingType} type type of library
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	 * @returns {void}
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	 */
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	static setEnabled(compiler, type) {
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		getEnabledTypes(compiler).add(type);
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	}
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	/**
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	 * @param {Compiler} compiler the compiler instance
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	 * @param {ChunkLoadingType} type type of library
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	 * @returns {void}
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	 */
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	static checkEnabled(compiler, type) {
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		if (!getEnabledTypes(compiler).has(type)) {
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			throw new Error(
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				`Chunk loading type "${type}" is not enabled. ` +
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					"EnableChunkLoadingPlugin need to be used to enable this type of chunk loading. " +
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					'This usually happens through the "output.enabledChunkLoadingTypes" option. ' +
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					'If you are using a function as entry which sets "chunkLoading", you need to add all potential chunk loading types to "output.enabledChunkLoadingTypes". ' +
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					"These types are enabled: " +
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					Array.from(getEnabledTypes(compiler)).join(", ")
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			);
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		}
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	}
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	/**
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	 * Apply the plugin
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	 * @param {Compiler} compiler the compiler instance
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	 * @returns {void}
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	 */
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	apply(compiler) {
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		const { type } = this;
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		// Only enable once
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		const enabled = getEnabledTypes(compiler);
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		if (enabled.has(type)) return;
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		enabled.add(type);
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		if (typeof type === "string") {
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			switch (type) {
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				case "jsonp": {
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					const JsonpChunkLoadingPlugin = require("../web/JsonpChunkLoadingPlugin");
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					new JsonpChunkLoadingPlugin().apply(compiler);
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					break;
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				}
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				case "import-scripts": {
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					const ImportScriptsChunkLoadingPlugin = require("../webworker/ImportScriptsChunkLoadingPlugin");
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					new ImportScriptsChunkLoadingPlugin().apply(compiler);
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					break;
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				}
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				case "require": {
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					//@ts-expect-error https://github.com/microsoft/TypeScript/issues/41697
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					const CommonJsChunkLoadingPlugin = require("../node/CommonJsChunkLoadingPlugin");
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					new CommonJsChunkLoadingPlugin({
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						asyncChunkLoading: false
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					}).apply(compiler);
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					break;
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				}
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				case "async-node": {
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					//@ts-expect-error https://github.com/microsoft/TypeScript/issues/41697
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					const CommonJsChunkLoadingPlugin = require("../node/CommonJsChunkLoadingPlugin");
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					new CommonJsChunkLoadingPlugin({
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						asyncChunkLoading: true
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					}).apply(compiler);
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					break;
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				}
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				case "import":
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					// TODO implement import chunk loading
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					throw new Error("Chunk Loading via import() is not implemented yet");
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				case "universal":
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					// TODO implement universal chunk loading
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					throw new Error("Universal Chunk Loading is not implemented yet");
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				default:
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					throw new Error(`Unsupported chunk loading type ${type}.
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Plugins which provide custom chunk loading types must call EnableChunkLoadingPlugin.setEnabled(compiler, type) to disable this error.`);
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			}
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		} else {
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			// TODO support plugin instances here
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			// apply them to the compiler
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		}
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	}
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}
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module.exports = EnableChunkLoadingPlugin;
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