openecomp-ui/tools/gulp/tasks/prod.js

   1 /*!
   2  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
  13  * or implied. See the License for the specific language governing
  14  * permissions and limitations under the License.
  15  */
  16 'use strict';
  17
  18 let gulp, replace, Promise, webpack, webpackProductionConfig;
  19
  20 const supportedLanguages = ['en'];
  21
  22 function start(options) {
  23
  24         let promises = [buildIndex(options)];
  25         supportedLanguages.forEach(function (lang) {
  26                 promises.push(bundleJS(options, lang));
  27         });
  28         return Promise.all(promises);
  29 }
  30
  31 function bundleJS(options, lang) {
  32         return new Promise(function (resolve, reject) {
  33                 let prodConfig = webpackProductionConfig;
  34                 prodConfig.resolve.alias.i18nJson = options.outDir + '/i18n/' + lang + '/locale.json';
  35                 prodConfig.output.filename = jsFileByLang(options.outFileName, lang);
  36                 webpack(prodConfig, function (err, stats) {
  37                         console.log('[webpack:build]', stats.toString());
  38                         if (err || stats.hasErrors()) {
  39                                 console.log('bundleJS : Failure!!', '\n         -language: ', lang);
  40                                 reject(err || stats.toJson().errors);
  41                         }
  42                         else {
  43                                 console.log('bundleJS : Done', '\n              -language: ', lang);
  44                                 resolve();
  45                         }
  46                 });
  47         });
  48 }
  49
  50 function buildIndex(options) {
  51
  52         return new Promise(function (resolve, reject) {
  53
  54                 // gulp.src returns a stream object
  55                 gulp.src(options.outDir + '/index.html')
  56                         .pipe(replace(/\/\/<!--prod:delete-->(.|[\r\n])*?<!--\/prod:delete-->/g, ''))//in script occurrences.
  57                         .pipe(replace(/<!--prod:delete-->(.|[\r\n])*?<!--\/prod:delete-->/g, ''))//out of script occurrences.
  58                         .pipe(replace(/<!--prod:add(-->)?/g, ''))
  59                         .pipe(replace(/\/\/<!--prod:supported-langs-->(.|[\r\n])*?<!--\/prod:supported-langs-->/g, supportedLanguages.map(function (val) {
  60                                 return "'" + val + "'";
  61                         }).toString()))
  62                         .pipe(gulp.dest(options.outDir))
  63                         .on('end', function () {
  64                                 console.log('buildIndex : Done');
  65                                 resolve();
  66                         })
  67                         .on('error', function (e) {
  68                                 console.log('buildIndex : Failure!!');
  69                                 reject(e);
  70                         });
  71         });
  72
  73 }
  74
  75 function jsFileByLang(fileName, lang) {
  76         return fileName.replace(/.js$/, '_' + lang + '.js');
  77 }
  78
  79 /**
  80  * @param options
  81  * @param options.outFileName optional <default build>
  82  */
  83 function prodTask(options) {
  84         gulp = require('gulp');
  85         replace = require('gulp-replace');
  86         Promise = require('bluebird');
  87         webpack = require('webpack');
  88
  89         webpackProductionConfig = require('../../../webpack.production');
  90         webpackProductionConfig.module.rules = webpackProductionConfig.module.rules.filter(rule => ((rule.enforce !== 'pre') || (rule.enforce === 'pre' && rule.loader !== 'source-map-loader')));
  91         webpackProductionConfig.module.rules.forEach(loader => {
  92                 if (loader.use && loader.use[0].loader === 'style-loader') {
  93                         loader.use = loader.use.map(loaderObj => loaderObj.loader.replace('?sourceMap', ''));
  94                 }
  95         });
  96
  97
  98         webpackProductionConfig.module.rules.push({test: /config.json$/, use: [{loader:'config-json-loader'}]});
  99
 100         return start({
 101                 outFileName: options.outFileName || '[name].js',
 102                 outDir: options.outDir
 103         });
 104 }
 105
 106 module.exports = prodTask;