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Diffstat (limited to 'hooks/after_prepare/uglify.js')
| -rwxr-xr-x | hooks/after_prepare/uglify.js | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/hooks/after_prepare/uglify.js b/hooks/after_prepare/uglify.js new file mode 100755 index 00000000..9d18f563 --- /dev/null +++ b/hooks/after_prepare/uglify.js @@ -0,0 +1,143 @@ +#!/usr/bin/env node + +/*jshint latedef:nofunc, node:true*/ + +// Modules +var fs = require('fs'); +var path = require('path'); +var dependencyPath = path.join(process.cwd(), 'node_modules'); +// cordova-uglify module dependencies +var UglifyJS = require(path.join(dependencyPath, 'uglify-js')); +var CleanCSS = require(path.join(dependencyPath, 'clean-css')); +var ngAnnotate = require(path.join(dependencyPath, 'ng-annotate')); + +// Process +var rootDir = process.argv[2]; +var platformPath = path.join(rootDir, 'platforms'); +var platforms = process.env.CORDOVA_PLATFORMS.split(','); +var cliCommand = process.env.CORDOVA_CMDLINE; + +// Hook configuration +var configFilePath = path.join(rootDir, 'hooks/uglify-config.json'); +var hookConfig = JSON.parse(fs.readFileSync(configFilePath)); +var isRelease = hookConfig.alwaysRun || (cliCommand.indexOf('--release') > -1); +var recursiveFolderSearch = hookConfig.recursiveFolderSearch; // set this to false to manually indicate the folders to process +var foldersToProcess = hookConfig.foldersToProcess; // add other www folders in here if needed (ex. js/controllers) +var cssMinifier = new CleanCSS(hookConfig.cleanCssOptions); + +// Exit +if (!isRelease) { + return; +} + +// Run uglifier +run(); + +/** + * Run compression for all specified platforms. + * @return {undefined} + */ +function run() { + platforms.forEach(function(platform) { + var wwwPath; + + switch (platform) { + case 'android': + wwwPath = path.join(platformPath, platform, 'assets', 'www'); + break; + + case 'ios': + case 'browser': + case 'wp8': + case 'windows': + wwwPath = path.join(platformPath, platform, 'www'); + break; + + default: + console.log('this hook only supports android, ios, wp8, windows, and browser currently'); + return; + } + + processFolders(wwwPath); + }); +} + +/** + * Processes defined folders. + * @param {string} wwwPath - Path to www directory + * @return {undefined} + */ +function processFolders(wwwPath) { + foldersToProcess.forEach(function(folder) { + processFiles(path.join(wwwPath, folder)); + }); +} + +/** + * Processes files in directories. + * @param {string} dir - Directory path + * @return {undefined} + */ +function processFiles(dir) { + fs.readdir(dir, function(err, list) { + if (err) { + console.log('processFiles err: ' + err); + + return; + } + + list.forEach(function(file) { + file = path.join(dir, file); + + fs.stat(file, function(err, stat) { + if (stat.isFile()) { + compress(file); + + return; + } + + if (recursiveFolderSearch && stat.isDirectory()) { + processFiles(file); + + return; + } + }); + }); + }); +} + +/** + * Compresses file. + * @param {string} file - File path + * @return {undefined} + */ +function compress(file) { + var ext = path.extname(file), + res, + source, + result; + + switch (ext) { + case '.js': + console.log('uglifying js file ' + file); + + res = ngAnnotate(String(fs.readFileSync(file)), { + add: true + }); + result = UglifyJS.minify(res.src, hookConfig.uglifyJsOptions); + fs.writeFileSync(file, result.code, 'utf8'); // overwrite the original unminified file + break; + + case '.css': + console.log('minifying css file ' + file); + + source = fs.readFileSync(file, 'utf8'); + result = cssMinifier.minify(source); + fs.writeFileSync(file, result.styles, 'utf8'); // overwrite the original unminified file + break; + + default: + console.log('encountered a ' + ext + ' file, not compressing it'); + break; + } +} |
