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Edit File: DelegatedModule.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
"use strict";

const Module = require("./Module");
const OriginalSource = require("webpack-sources").OriginalSource;
const RawSource = require("webpack-sources").RawSource;
const WebpackMissingModule = require("./dependencies/WebpackMissingModule");
const DelegatedSourceDependency = require("./dependencies/DelegatedSourceDependency");
const DelegatedExportsDependency = require("./dependencies/DelegatedExportsDependency");

class DelegatedModule extends Module {
	constructor(sourceRequest, data, type, userRequest, originalRequest) {
		super();
		this.sourceRequest = sourceRequest;
		this.request = data.id;
		this.meta = data.meta;
		this.type = type;
		this.originalRequest = originalRequest;
		this.userRequest = userRequest;
		this.built = false;
		this.delegated = true;
		this.delegateData = data;
	}

libIdent(options) {
		return typeof this.originalRequest === "string" ? this.originalRequest : this.originalRequest.libIdent(options);
	}

identifier() {
		return `delegated ${JSON.stringify(this.request)} from ${this.sourceRequest}`;
	}

readableIdentifier() {
		return `delegated ${this.userRequest} from ${this.sourceRequest}`;
	}

needRebuild() {
		return false;
	}

build(options, compilation, resolver, fs, callback) {
		this.built = true;
		this.builtTime = Date.now();
		this.cacheable = true;
		this.dependencies.length = 0;
		this.addDependency(new DelegatedSourceDependency(this.sourceRequest));
		this.addDependency(new DelegatedExportsDependency(this, this.delegateData.exports || true));
		callback();
	}

unbuild() {
		this.built = false;
		super.unbuild();
	}

source() {
		const sourceModule = this.dependencies[0].module;
		let str;

if(!sourceModule) {
			str = WebpackMissingModule.moduleCode(this.sourceRequest);
		} else {
			str = `module.exports = (__webpack_require__(${JSON.stringify(sourceModule.id)}))`;

switch(this.type) {
				case "require":
					str += `(${JSON.stringify(this.request)})`;
					break;
				case "object":
					str += `[${JSON.stringify(this.request)}]`;
					break;
			}

str += ";";
		}

if(this.useSourceMap) {
			return new OriginalSource(str, this.identifier());
		} else {
			return new RawSource(str);
		}
	}

size() {
		return 42;
	}

updateHash(hash) {
		hash.update(this.type);
		hash.update(JSON.stringify(this.request));
		super.updateHash(hash);
	}
}

module.exports = DelegatedModule;

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