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node_modules/css-loader/lib/localsLoader.js 1.47 KB
aaac7fed   liuqimichale   add
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  /*
  	MIT License http://www.opensource.org/licenses/mit-license.php
  	Author Tobias Koppers @sokra
  */
  var loaderUtils = require("loader-utils");
  var processCss = require("./processCss");
  var getImportPrefix = require("./getImportPrefix");
  var compileExports = require("./compile-exports");
  var createResolver = require("./createResolver");
  
  
  module.exports = function(content) {
  	if(this.cacheable) this.cacheable();
  	var callback = this.async();
  	var query = loaderUtils.getOptions(this) || {};
  	var moduleMode = query.modules || query.module;
  	var camelCaseKeys = query.camelCase || query.camelcase;
  	var resolve = createResolver(query.alias);
  
  	processCss(content, null, {
  		mode: moduleMode ? "local" : "global",
  		query: query,
  		minimize: this.minimize,
  		loaderContext: this,
  		resolve: resolve
  	}, function(err, result) {
  		if(err) return callback(err);
  
  		// for importing CSS
  		var importUrlPrefix = getImportPrefix(this, query);
  
  		function importItemMatcher(item) {
  			var match = result.importItemRegExp.exec(item);
  			var idx = +match[1];
  			var importItem = result.importItems[idx];
  			var importUrl = importUrlPrefix + importItem.url;
  			return "\" + require(" + loaderUtils.stringifyRequest(this, importUrl) + ")" +
  				"[" + JSON.stringify(importItem.export) + "] + \"";
  		}
  
  		var exportJs = compileExports(result, importItemMatcher.bind(this), camelCaseKeys);
  		if (exportJs) {
  			exportJs = "module.exports = " + exportJs + ";";
  		}
  
  
  		callback(null, exportJs);
  	}.bind(this));
  };