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			113 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			JavaScript
		
	
		
		
			
		
	
	
			113 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			JavaScript
		
	
| 
											9 months ago
										 | /* | ||
|  | 	MIT License http://www.opensource.org/licenses/mit-license.php
 | ||
|  | 	Author Tobias Koppers @sokra | ||
|  | */ | ||
|  | 
 | ||
|  | "use strict"; | ||
|  | 
 | ||
|  | const Dependency = require("../Dependency"); | ||
|  | const makeSerializable = require("../util/makeSerializable"); | ||
|  | const ModuleDependency = require("./ModuleDependency"); | ||
|  | 
 | ||
|  | /** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */ | ||
|  | /** @typedef {import("../AsyncDependenciesBlock")} AsyncDependenciesBlock */ | ||
|  | /** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */ | ||
|  | /** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */ | ||
|  | /** @typedef {import("../Module")} Module */ | ||
|  | /** @typedef {import("../Module").BuildMeta} BuildMeta */ | ||
|  | /** @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 ImportDependency extends ModuleDependency { | ||
|  | 	/** | ||
|  | 	 * @param {string} request the request | ||
|  | 	 * @param {Range} range expression range | ||
|  | 	 * @param {(string[][] | null)=} referencedExports list of referenced exports | ||
|  | 	 */ | ||
|  | 	constructor(request, range, referencedExports) { | ||
|  | 		super(request); | ||
|  | 		this.range = range; | ||
|  | 		this.referencedExports = referencedExports; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	get type() { | ||
|  | 		return "import()"; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	get category() { | ||
|  | 		return "esm"; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * 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) { | ||
|  | 		return this.referencedExports | ||
|  | 			? this.referencedExports.map(e => ({ | ||
|  | 					name: e, | ||
|  | 					canMangle: false | ||
|  | 			  })) | ||
|  | 			: Dependency.EXPORTS_OBJECT_REFERENCED; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * @param {ObjectSerializerContext} context context | ||
|  | 	 */ | ||
|  | 	serialize(context) { | ||
|  | 		context.write(this.range); | ||
|  | 		context.write(this.referencedExports); | ||
|  | 		super.serialize(context); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * @param {ObjectDeserializerContext} context context | ||
|  | 	 */ | ||
|  | 	deserialize(context) { | ||
|  | 		this.range = context.read(); | ||
|  | 		this.referencedExports = context.read(); | ||
|  | 		super.deserialize(context); | ||
|  | 	} | ||
|  | } | ||
|  | 
 | ||
|  | makeSerializable(ImportDependency, "webpack/lib/dependencies/ImportDependency"); | ||
|  | 
 | ||
|  | ImportDependency.Template = class ImportDependencyTemplate 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, | ||
|  | 		{ runtimeTemplate, module, moduleGraph, chunkGraph, runtimeRequirements } | ||
|  | 	) { | ||
|  | 		const dep = /** @type {ImportDependency} */ (dependency); | ||
|  | 		const block = /** @type {AsyncDependenciesBlock} */ ( | ||
|  | 			moduleGraph.getParentBlock(dep) | ||
|  | 		); | ||
|  | 		const content = runtimeTemplate.moduleNamespacePromise({ | ||
|  | 			chunkGraph, | ||
|  | 			block: block, | ||
|  | 			module: /** @type {Module} */ (moduleGraph.getModule(dep)), | ||
|  | 			request: dep.request, | ||
|  | 			strict: /** @type {BuildMeta} */ (module.buildMeta).strictHarmonyModule, | ||
|  | 			message: "import()", | ||
|  | 			runtimeRequirements | ||
|  | 		}); | ||
|  | 
 | ||
|  | 		source.replace(dep.range[0], dep.range[1] - 1, content); | ||
|  | 	} | ||
|  | }; | ||
|  | 
 | ||
|  | module.exports = ImportDependency; |