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node_modules/webpack/lib/dependencies/ImportEagerDependency.js 1.18 KB
aaac7fed   liuqimichale   add
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  /*
  	MIT License http://www.opensource.org/licenses/mit-license.php
  	Author Tobias Koppers @sokra
  */
  "use strict";
  const ModuleDependency = require("./ModuleDependency");
  const webpackMissingPromiseModule = require("./WebpackMissingModule").promise;
  
  class ImportEagerDependency extends ModuleDependency {
  	constructor(request, range) {
  		super(request);
  		this.range = range;
  	}
  
  	get type() {
  		return "import()";
  	}
  }
  
  ImportEagerDependency.Template = class ImportEagerDependencyTemplate {
  	apply(dep, source, outputOptions, requestShortener) {
  		const comment = this.getOptionalComment(outputOptions.pathinfo, requestShortener.shorten(dep.request));
  
  		const content = this.getContent(dep, comment);
  		source.replace(dep.range[0], dep.range[1] - 1, content);
  	}
  
  	getOptionalComment(pathinfo, shortenedRequest) {
  		if(!pathinfo) {
  			return "";
  		}
  
  		return `/*! ${shortenedRequest} */ `;
  	}
  
  	getContent(dep, comment) {
  		if(dep.module) {
  			const stringifiedId = JSON.stringify(dep.module.id);
  			return `new Promise(function(resolve) { resolve(__webpack_require__(${comment}${stringifiedId})); })`;
  		}
  
  		return webpackMissingPromiseModule(dep.request);
  	}
  };
  
  module.exports = ImportEagerDependency;