1/* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 20import loaderUtils from 'loader-utils' 21 22import { 23 extractBlocks 24} from './parser' 25 26module.exports = function (source) { 27 this.cacheable && this.cacheable() 28 29 const callback = this.async() 30 const loaderQuery = loaderUtils.getOptions(this) || {} 31 const resourceQuery = loaderUtils.parseQuery(this.resourceQuery) || {} 32 const name = resourceQuery.name 33 34 let contentPromise 35 36 if (loaderQuery.extract) { 37 contentPromise = 38 extractBlocks(source, 'elements') 39 } 40 else { 41 contentPromise = Promise.resolve({ content: source }) 42 } 43 44 contentPromise.then(elements => { 45 if (loaderQuery.raw) { 46 return elements[name].content 47 } 48 }).then(result => { 49 callback(null, result) 50 }).catch(e => { 51 callback(e, '') 52 }) 53} 54