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			118 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			JavaScript
		
	
		
		
			
		
	
	
			118 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			JavaScript
		
	
| 
											9 months ago
										 | /* | ||
|  | 	MIT License http://www.opensource.org/licenses/mit-license.php
 | ||
|  | 	Author Tobias Koppers @sokra | ||
|  | */ | ||
|  | 
 | ||
|  | "use strict"; | ||
|  | 
 | ||
|  | const { | ||
|  | 	JAVASCRIPT_MODULE_TYPE_AUTO, | ||
|  | 	JAVASCRIPT_MODULE_TYPE_DYNAMIC, | ||
|  | 	JAVASCRIPT_MODULE_TYPE_ESM | ||
|  | } = require("./ModuleTypeConstants"); | ||
|  | const ConstDependency = require("./dependencies/ConstDependency"); | ||
|  | const ProvidedDependency = require("./dependencies/ProvidedDependency"); | ||
|  | const { approve } = require("./javascript/JavascriptParserHelpers"); | ||
|  | 
 | ||
|  | /** @typedef {import("../declarations/WebpackOptions").JavascriptParserOptions} JavascriptParserOptions */ | ||
|  | /** @typedef {import("./Compiler")} Compiler */ | ||
|  | /** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */ | ||
|  | /** @typedef {import("./javascript/JavascriptParser")} JavascriptParser */ | ||
|  | /** @typedef {import("./javascript/JavascriptParser").Range} Range */ | ||
|  | 
 | ||
|  | const PLUGIN_NAME = "ProvidePlugin"; | ||
|  | 
 | ||
|  | class ProvidePlugin { | ||
|  | 	/** | ||
|  | 	 * @param {Record<string, string | string[]>} definitions the provided identifiers | ||
|  | 	 */ | ||
|  | 	constructor(definitions) { | ||
|  | 		this.definitions = definitions; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Apply the plugin | ||
|  | 	 * @param {Compiler} compiler the compiler instance | ||
|  | 	 * @returns {void} | ||
|  | 	 */ | ||
|  | 	apply(compiler) { | ||
|  | 		const definitions = this.definitions; | ||
|  | 		compiler.hooks.compilation.tap( | ||
|  | 			PLUGIN_NAME, | ||
|  | 			(compilation, { normalModuleFactory }) => { | ||
|  | 				compilation.dependencyTemplates.set( | ||
|  | 					ConstDependency, | ||
|  | 					new ConstDependency.Template() | ||
|  | 				); | ||
|  | 				compilation.dependencyFactories.set( | ||
|  | 					ProvidedDependency, | ||
|  | 					normalModuleFactory | ||
|  | 				); | ||
|  | 				compilation.dependencyTemplates.set( | ||
|  | 					ProvidedDependency, | ||
|  | 					new ProvidedDependency.Template() | ||
|  | 				); | ||
|  | 				/** | ||
|  | 				 * @param {JavascriptParser} parser the parser | ||
|  | 				 * @param {JavascriptParserOptions} parserOptions options | ||
|  | 				 * @returns {void} | ||
|  | 				 */ | ||
|  | 				const handler = (parser, parserOptions) => { | ||
|  | 					Object.keys(definitions).forEach(name => { | ||
|  | 						const request = [].concat(definitions[name]); | ||
|  | 						const splittedName = name.split("."); | ||
|  | 						if (splittedName.length > 0) { | ||
|  | 							splittedName.slice(1).forEach((_, i) => { | ||
|  | 								const name = splittedName.slice(0, i + 1).join("."); | ||
|  | 								parser.hooks.canRename.for(name).tap(PLUGIN_NAME, approve); | ||
|  | 							}); | ||
|  | 						} | ||
|  | 
 | ||
|  | 						parser.hooks.expression.for(name).tap(PLUGIN_NAME, expr => { | ||
|  | 							const nameIdentifier = name.includes(".") | ||
|  | 								? `__webpack_provided_${name.replace(/\./g, "_dot_")}` | ||
|  | 								: name; | ||
|  | 							const dep = new ProvidedDependency( | ||
|  | 								request[0], | ||
|  | 								nameIdentifier, | ||
|  | 								request.slice(1), | ||
|  | 								/** @type {Range} */ (expr.range) | ||
|  | 							); | ||
|  | 							dep.loc = /** @type {DependencyLocation} */ (expr.loc); | ||
|  | 							parser.state.module.addDependency(dep); | ||
|  | 							return true; | ||
|  | 						}); | ||
|  | 
 | ||
|  | 						parser.hooks.call.for(name).tap(PLUGIN_NAME, expr => { | ||
|  | 							const nameIdentifier = name.includes(".") | ||
|  | 								? `__webpack_provided_${name.replace(/\./g, "_dot_")}` | ||
|  | 								: name; | ||
|  | 							const dep = new ProvidedDependency( | ||
|  | 								request[0], | ||
|  | 								nameIdentifier, | ||
|  | 								request.slice(1), | ||
|  | 								/** @type {Range} */ (expr.callee.range) | ||
|  | 							); | ||
|  | 							dep.loc = /** @type {DependencyLocation} */ (expr.callee.loc); | ||
|  | 							parser.state.module.addDependency(dep); | ||
|  | 							parser.walkExpressions(expr.arguments); | ||
|  | 							return true; | ||
|  | 						}); | ||
|  | 					}); | ||
|  | 				}; | ||
|  | 				normalModuleFactory.hooks.parser | ||
|  | 					.for(JAVASCRIPT_MODULE_TYPE_AUTO) | ||
|  | 					.tap(PLUGIN_NAME, handler); | ||
|  | 				normalModuleFactory.hooks.parser | ||
|  | 					.for(JAVASCRIPT_MODULE_TYPE_DYNAMIC) | ||
|  | 					.tap(PLUGIN_NAME, handler); | ||
|  | 				normalModuleFactory.hooks.parser | ||
|  | 					.for(JAVASCRIPT_MODULE_TYPE_ESM) | ||
|  | 					.tap(PLUGIN_NAME, handler); | ||
|  | 			} | ||
|  | 		); | ||
|  | 	} | ||
|  | } | ||
|  | 
 | ||
|  | module.exports = ProvidePlugin; |