| /* | 
| * Licensed to the Apache Software Foundation (ASF) under one | 
| * or more contributor license agreements.  See the NOTICE file | 
| * distributed with this work for additional information | 
| * regarding copyright ownership.  The ASF licenses this file | 
| * to you under the Apache License, Version 2.0 (the | 
| * "License"); you may not use this file except in compliance | 
| * with the License.  You may obtain a copy of the License at | 
| * | 
| *   http://www.apache.org/licenses/LICENSE-2.0 | 
| * | 
| * Unless required by applicable law or agreed to in writing, | 
| * software distributed under the License is distributed on an | 
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | 
| * KIND, either express or implied.  See the License for the | 
| * specific language governing permissions and limitations | 
| * under the License. | 
| */ | 
| const chalk = require('chalk'); | 
| const path = require('path'); | 
|   | 
| module.exports = function progress(options = {}) { | 
|     const scope = options.scope || {}; | 
|     scope.finished = scope.finished || 0; | 
|     scope.total = scope.total || 0; | 
|   | 
|     return { | 
|         name: 'progress', | 
|   | 
|         buildStart() { | 
|             scope.finished = 0; | 
|             scope.total = 0; | 
|         }, | 
|   | 
|         load() { | 
|             // TODO More accurate total number | 
|             scope.total++; | 
|         }, | 
|   | 
|         transform(code, id) { | 
|             scope.finished++; | 
|             const filePath = path.relative(process.cwd(), id).split(path.sep).join('/'); | 
|   | 
|             const output = `[${scope.finished}/${scope.total}]: ${chalk.grey(filePath)}`; | 
|             if (process.stdout.isTTY) { | 
|                 process.stdout.clearLine(); | 
|                 process.stdout.cursorTo(0); | 
|                 process.stdout.write(output); | 
|             } | 
|             else { | 
|                 console.log(output); | 
|             } | 
|         }, | 
|   | 
|         buildEnd() { | 
|             if (process.stdout.isTTY) { | 
|                 process.stdout.clearLine(); | 
|                 process.stdout.cursorTo(0); | 
|             } | 
|             else { | 
|                 console.log(''); | 
|             } | 
|         } | 
|     }; | 
| }; |