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			113 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			JavaScript
		
	
			
		
		
	
	
			113 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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| 
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| "use strict";
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| 
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| const Dependency = require("../Dependency");
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| const makeSerializable = require("../util/makeSerializable");
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| const ModuleDependency = require("./ModuleDependency");
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| 
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| /** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
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| /** @typedef {import("../AsyncDependenciesBlock")} AsyncDependenciesBlock */
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| /** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */
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| /** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
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| /** @typedef {import("../Module")} Module */
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| /** @typedef {import("../Module").BuildMeta} BuildMeta */
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| /** @typedef {import("../ModuleGraph")} ModuleGraph */
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| /** @typedef {import("../javascript/JavascriptParser").Range} Range */
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| /** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
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| /** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
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| /** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
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| 
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| class ImportDependency extends ModuleDependency {
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| 	/**
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| 	 * @param {string} request the request
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| 	 * @param {Range} range expression range
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| 	 * @param {(string[][] | null)=} referencedExports list of referenced exports
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| 	 */
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| 	constructor(request, range, referencedExports) {
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| 		super(request);
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| 		this.range = range;
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| 		this.referencedExports = referencedExports;
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| 	}
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| 
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| 	get type() {
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| 		return "import()";
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| 	}
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| 
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| 	get category() {
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| 		return "esm";
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| 	}
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| 
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| 	/**
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| 	 * Returns list of exports referenced by this dependency
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| 	 * @param {ModuleGraph} moduleGraph module graph
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| 	 * @param {RuntimeSpec} runtime the runtime for which the module is analysed
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| 	 * @returns {(string[] | ReferencedExport)[]} referenced exports
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| 	 */
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| 	getReferencedExports(moduleGraph, runtime) {
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| 		return this.referencedExports
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| 			? this.referencedExports.map(e => ({
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| 					name: e,
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| 					canMangle: false
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| 			  }))
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| 			: Dependency.EXPORTS_OBJECT_REFERENCED;
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| 	}
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| 
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| 	/**
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| 	 * @param {ObjectSerializerContext} context context
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| 	 */
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| 	serialize(context) {
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| 		context.write(this.range);
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| 		context.write(this.referencedExports);
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| 		super.serialize(context);
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| 	}
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| 
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| 	/**
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| 	 * @param {ObjectDeserializerContext} context context
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| 	 */
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| 	deserialize(context) {
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| 		this.range = context.read();
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| 		this.referencedExports = context.read();
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| 		super.deserialize(context);
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| 	}
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| }
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| 
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| makeSerializable(ImportDependency, "webpack/lib/dependencies/ImportDependency");
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| 
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| ImportDependency.Template = class ImportDependencyTemplate extends (
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| 	ModuleDependency.Template
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| ) {
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| 	/**
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| 	 * @param {Dependency} dependency the dependency for which the template should be applied
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| 	 * @param {ReplaceSource} source the current replace source which can be modified
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| 	 * @param {DependencyTemplateContext} templateContext the context object
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| 	 * @returns {void}
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| 	 */
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| 	apply(
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| 		dependency,
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| 		source,
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| 		{ runtimeTemplate, module, moduleGraph, chunkGraph, runtimeRequirements }
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| 	) {
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| 		const dep = /** @type {ImportDependency} */ (dependency);
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| 		const block = /** @type {AsyncDependenciesBlock} */ (
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| 			moduleGraph.getParentBlock(dep)
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| 		);
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| 		const content = runtimeTemplate.moduleNamespacePromise({
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| 			chunkGraph,
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| 			block: block,
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| 			module: /** @type {Module} */ (moduleGraph.getModule(dep)),
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| 			request: dep.request,
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| 			strict: /** @type {BuildMeta} */ (module.buildMeta).strictHarmonyModule,
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| 			message: "import()",
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| 			runtimeRequirements
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| 		});
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| 
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| 		source.replace(dep.range[0], dep.range[1] - 1, content);
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| 	}
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| };
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| 
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| module.exports = ImportDependency;
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