124 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			124 lines
		
	
	
		
			3.4 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 makeSerializable = require("../util/makeSerializable");
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| const HarmonyExportInitFragment = require("./HarmonyExportInitFragment");
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| const NullDependency = require("./NullDependency");
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| 
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| /** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
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| /** @typedef {import("../Dependency")} Dependency */
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| /** @typedef {import("../Dependency").ExportsSpec} ExportsSpec */
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| /** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
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| /** @typedef {import("../ModuleGraph")} ModuleGraph */
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| /** @typedef {import("../ModuleGraphConnection").ConnectionState} ConnectionState */
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| /** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
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| /** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
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| 
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| class HarmonyExportSpecifierDependency extends NullDependency {
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| 	/**
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| 	 * @param {string} id the id
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| 	 * @param {string} name the name
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| 	 */
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| 	constructor(id, name) {
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| 		super();
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| 		this.id = id;
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| 		this.name = name;
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| 	}
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| 
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| 	get type() {
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| 		return "harmony export specifier";
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| 	}
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| 
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| 	/**
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| 	 * Returns the exported names
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| 	 * @param {ModuleGraph} moduleGraph module graph
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| 	 * @returns {ExportsSpec | undefined} export names
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| 	 */
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| 	getExports(moduleGraph) {
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| 		return {
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| 			exports: [this.name],
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| 			priority: 1,
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| 			terminalBinding: true,
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| 			dependencies: undefined
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| 		};
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| 	}
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| 
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| 	/**
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| 	 * @param {ModuleGraph} moduleGraph the module graph
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| 	 * @returns {ConnectionState} how this dependency connects the module to referencing modules
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| 	 */
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| 	getModuleEvaluationSideEffectsState(moduleGraph) {
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| 		return false;
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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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| 		const { write } = context;
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| 		write(this.id);
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| 		write(this.name);
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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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| 		const { read } = context;
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| 		this.id = read();
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| 		this.name = 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(
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| 	HarmonyExportSpecifierDependency,
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| 	"webpack/lib/dependencies/HarmonyExportSpecifierDependency"
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| );
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| 
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| HarmonyExportSpecifierDependency.Template = class HarmonyExportSpecifierDependencyTemplate extends (
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| 	NullDependency.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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| 		{ module, moduleGraph, initFragments, runtime, concatenationScope }
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| 	) {
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| 		const dep = /** @type {HarmonyExportSpecifierDependency} */ (dependency);
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| 		if (concatenationScope) {
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| 			concatenationScope.registerExport(dep.name, dep.id);
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| 			return;
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| 		}
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| 		const used = moduleGraph
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| 			.getExportsInfo(module)
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| 			.getUsedName(dep.name, runtime);
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| 		if (!used) {
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| 			const set = new Set();
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| 			set.add(dep.name || "namespace");
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| 			initFragments.push(
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| 				new HarmonyExportInitFragment(module.exportsArgument, undefined, set)
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| 			);
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| 			return;
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| 		}
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| 
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| 		const map = new Map();
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| 		map.set(used, `/* binding */ ${dep.id}`);
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| 		initFragments.push(
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| 			new HarmonyExportInitFragment(module.exportsArgument, map, undefined)
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| 		);
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| 	}
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| };
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| 
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| module.exports = HarmonyExportSpecifierDependency;
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