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			146 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			JavaScript
		
	
		
		
			
		
	
	
			146 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			JavaScript
		
	
| 
											9 months ago
										 | /* | ||
|  | 	MIT License http://www.opensource.org/licenses/mit-license.php
 | ||
|  | 	Author Tobias Koppers @sokra | ||
|  | */ | ||
|  | 
 | ||
|  | "use strict"; | ||
|  | 
 | ||
|  | const Template = require("../Template"); | ||
|  | const { equals } = require("../util/ArrayHelpers"); | ||
|  | const makeSerializable = require("../util/makeSerializable"); | ||
|  | const propertyAccess = require("../util/propertyAccess"); | ||
|  | const ModuleDependency = require("./ModuleDependency"); | ||
|  | 
 | ||
|  | /** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */ | ||
|  | /** @typedef {import("../Dependency")} Dependency */ | ||
|  | /** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */ | ||
|  | /** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */ | ||
|  | /** @typedef {import("../ModuleGraph")} ModuleGraph */ | ||
|  | /** @typedef {import("../javascript/JavascriptParser").Range} Range */ | ||
|  | /** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */ | ||
|  | /** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */ | ||
|  | /** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */ | ||
|  | 
 | ||
|  | class CommonJsFullRequireDependency extends ModuleDependency { | ||
|  | 	/** | ||
|  | 	 * @param {string} request the request string | ||
|  | 	 * @param {Range} range location in source code | ||
|  | 	 * @param {string[]} names accessed properties on module | ||
|  | 	 */ | ||
|  | 	constructor(request, range, names) { | ||
|  | 		super(request); | ||
|  | 		this.range = range; | ||
|  | 		this.names = names; | ||
|  | 		this.call = false; | ||
|  | 		this.asiSafe = undefined; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Returns list of exports referenced by this dependency | ||
|  | 	 * @param {ModuleGraph} moduleGraph module graph | ||
|  | 	 * @param {RuntimeSpec} runtime the runtime for which the module is analysed | ||
|  | 	 * @returns {(string[] | ReferencedExport)[]} referenced exports | ||
|  | 	 */ | ||
|  | 	getReferencedExports(moduleGraph, runtime) { | ||
|  | 		if (this.call) { | ||
|  | 			const importedModule = moduleGraph.getModule(this); | ||
|  | 			if ( | ||
|  | 				!importedModule || | ||
|  | 				importedModule.getExportsType(moduleGraph, false) !== "namespace" | ||
|  | 			) { | ||
|  | 				return [this.names.slice(0, -1)]; | ||
|  | 			} | ||
|  | 		} | ||
|  | 		return [this.names]; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * @param {ObjectSerializerContext} context context | ||
|  | 	 */ | ||
|  | 	serialize(context) { | ||
|  | 		const { write } = context; | ||
|  | 		write(this.names); | ||
|  | 		write(this.call); | ||
|  | 		write(this.asiSafe); | ||
|  | 		super.serialize(context); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * @param {ObjectDeserializerContext} context context | ||
|  | 	 */ | ||
|  | 	deserialize(context) { | ||
|  | 		const { read } = context; | ||
|  | 		this.names = read(); | ||
|  | 		this.call = read(); | ||
|  | 		this.asiSafe = read(); | ||
|  | 		super.deserialize(context); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	get type() { | ||
|  | 		return "cjs full require"; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	get category() { | ||
|  | 		return "commonjs"; | ||
|  | 	} | ||
|  | } | ||
|  | 
 | ||
|  | CommonJsFullRequireDependency.Template = class CommonJsFullRequireDependencyTemplate extends ( | ||
|  | 	ModuleDependency.Template | ||
|  | ) { | ||
|  | 	/** | ||
|  | 	 * @param {Dependency} dependency the dependency for which the template should be applied | ||
|  | 	 * @param {ReplaceSource} source the current replace source which can be modified | ||
|  | 	 * @param {DependencyTemplateContext} templateContext the context object | ||
|  | 	 * @returns {void} | ||
|  | 	 */ | ||
|  | 	apply( | ||
|  | 		dependency, | ||
|  | 		source, | ||
|  | 		{ | ||
|  | 			module, | ||
|  | 			runtimeTemplate, | ||
|  | 			moduleGraph, | ||
|  | 			chunkGraph, | ||
|  | 			runtimeRequirements, | ||
|  | 			runtime, | ||
|  | 			initFragments | ||
|  | 		} | ||
|  | 	) { | ||
|  | 		const dep = /** @type {CommonJsFullRequireDependency} */ (dependency); | ||
|  | 		if (!dep.range) return; | ||
|  | 		const importedModule = moduleGraph.getModule(dep); | ||
|  | 		let requireExpr = runtimeTemplate.moduleExports({ | ||
|  | 			module: importedModule, | ||
|  | 			chunkGraph, | ||
|  | 			request: dep.request, | ||
|  | 			weak: dep.weak, | ||
|  | 			runtimeRequirements | ||
|  | 		}); | ||
|  | 		if (importedModule) { | ||
|  | 			const ids = dep.names; | ||
|  | 			const usedImported = moduleGraph | ||
|  | 				.getExportsInfo(importedModule) | ||
|  | 				.getUsedName(ids, runtime); | ||
|  | 			if (usedImported) { | ||
|  | 				const comment = equals(usedImported, ids) | ||
|  | 					? "" | ||
|  | 					: Template.toNormalComment(propertyAccess(ids)) + " "; | ||
|  | 				const access = `${comment}${propertyAccess(usedImported)}`; | ||
|  | 				requireExpr = | ||
|  | 					dep.asiSafe === true | ||
|  | 						? `(${requireExpr}${access})` | ||
|  | 						: `${requireExpr}${access}`; | ||
|  | 			} | ||
|  | 		} | ||
|  | 		source.replace(dep.range[0], dep.range[1] - 1, requireExpr); | ||
|  | 	} | ||
|  | }; | ||
|  | 
 | ||
|  | makeSerializable( | ||
|  | 	CommonJsFullRequireDependency, | ||
|  | 	"webpack/lib/dependencies/CommonJsFullRequireDependency" | ||
|  | ); | ||
|  | 
 | ||
|  | module.exports = CommonJsFullRequireDependency; |