| /* |
| * Licensed to the Apache Software Foundation (ASF |
| * or more contributor license agreements. See th |
| * distributed with this work for additional infor |
| * regarding copyright ownership. The ASF license |
| * to you under the Apache License, Version 2.0 (t |
| * "License"); you may not use this file except in |
| * with the License. You may obtain a copy of the |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to |
| * software distributed under the License is distr |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS |
| * KIND, either express or implied. See the Licen |
| * specific language governing permissions and lim |
| * under the License. |
| */ |
| |
| var fs = require('fs'); |
| var path = require('path'); |
| |
| // Iterates over a directory |
| function forEachFile(root, cbFile, cbDone) { |
| var count = 0; |
| |
| function scan(name) { |
| ++count; |
| |
| fs.stat(name, function (err, stats) { |
| if (err) cbFile(err); |
| |
| if (stats.isDirectory()) { |
| fs.readdir(name, function (err, files) { |
| if (err) cbFile(err); |
| |
| files.forEach(function (file) { |
| scan(path.join(name, file)); |
| }); |
| done(); |
| }); |
| } else if (stats.isFile()) { |
| cbFile(null, name, stats, done); |
| } else { |
| done(); |
| } |
| }); |
| } |
| |
| function done() { |
| --count; |
| if (count === 0 && cbDone) cbDone(); |
| } |
| |
| scan(root); |
| } |
| |
| module.exports = function processWhiteSpace(processor, callback) { |
| |
| var rexp_minified = new RegExp("\\.min\\.js$"); |
| var rexp_src = new RegExp('\\.js$'); |
| |
| forEachFile('src', function(err, file, stats, cbDone) { |
| //if (err) throw err; |
| if (rexp_minified.test(file) || !rexp_src.test(file)) { |
| cbDone(); |
| } else { |
| var origsrc = src = fs.readFileSync(file, 'utf8'); |
| |
| // tabs -> four spaces |
| if (src.indexOf('\t') >= 0) { |
| src = src.split('\t').join(' '); |
| } |
| |
| // eliminate trailing white space |
| src = src.replace(/ +\n/g, '\n'); |
| |
| if (origsrc !== src) { |
| // write it out yo |
| processor(file, src); |
| } |
| cbDone(); |
| } |
| }, callback); |
| } |