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			146 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			JavaScript
		
	
			
		
		
	
	
			146 lines
		
	
	
		
			4.1 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 Template = require("../Template");
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| const { equals } = require("../util/ArrayHelpers");
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| const makeSerializable = require("../util/makeSerializable");
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| const propertyAccess = require("../util/propertyAccess");
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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("../Dependency")} Dependency */
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| /** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */
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| /** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
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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 CommonJsFullRequireDependency extends ModuleDependency {
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| 	/**
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| 	 * @param {string} request the request string
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| 	 * @param {Range} range location in source code
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| 	 * @param {string[]} names accessed properties on module
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| 	 */
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| 	constructor(request, range, names) {
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| 		super(request);
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| 		this.range = range;
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| 		this.names = names;
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| 		this.call = false;
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| 		this.asiSafe = undefined;
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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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| 		if (this.call) {
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| 			const importedModule = moduleGraph.getModule(this);
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| 			if (
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| 				!importedModule ||
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| 				importedModule.getExportsType(moduleGraph, false) !== "namespace"
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| 			) {
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| 				return [this.names.slice(0, -1)];
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| 			}
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| 		}
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| 		return [this.names];
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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.names);
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| 		write(this.call);
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| 		write(this.asiSafe);
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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.names = read();
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| 		this.call = read();
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| 		this.asiSafe = read();
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| 		super.deserialize(context);
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| 	}
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| 
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| 	get type() {
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| 		return "cjs full require";
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| 	}
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| 
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| 	get category() {
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| 		return "commonjs";
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| 	}
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| }
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| 
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| CommonJsFullRequireDependency.Template = class CommonJsFullRequireDependencyTemplate 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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| 		{
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| 			module,
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| 			runtimeTemplate,
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| 			moduleGraph,
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| 			chunkGraph,
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| 			runtimeRequirements,
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| 			runtime,
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| 			initFragments
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| 		}
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| 	) {
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| 		const dep = /** @type {CommonJsFullRequireDependency} */ (dependency);
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| 		if (!dep.range) return;
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| 		const importedModule = moduleGraph.getModule(dep);
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| 		let requireExpr = runtimeTemplate.moduleExports({
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| 			module: importedModule,
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| 			chunkGraph,
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| 			request: dep.request,
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| 			weak: dep.weak,
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| 			runtimeRequirements
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| 		});
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| 		if (importedModule) {
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| 			const ids = dep.names;
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| 			const usedImported = moduleGraph
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| 				.getExportsInfo(importedModule)
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| 				.getUsedName(ids, runtime);
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| 			if (usedImported) {
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| 				const comment = equals(usedImported, ids)
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| 					? ""
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| 					: Template.toNormalComment(propertyAccess(ids)) + " ";
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| 				const access = `${comment}${propertyAccess(usedImported)}`;
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| 				requireExpr =
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| 					dep.asiSafe === true
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| 						? `(${requireExpr}${access})`
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| 						: `${requireExpr}${access}`;
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| 			}
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| 		}
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| 		source.replace(dep.range[0], dep.range[1] - 1, requireExpr);
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| 	}
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| };
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| 
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| makeSerializable(
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| 	CommonJsFullRequireDependency,
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| 	"webpack/lib/dependencies/CommonJsFullRequireDependency"
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| );
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| 
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| module.exports = CommonJsFullRequireDependency;
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