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#!/usr/bin/env node
var fs = require('fs');
var path = require('path');
var UglifyJS = require('uglify-js');
var CleanCSS = require('clean-css');
var ngAnnotate = require('ng-annotate');
var cssMinifier = new CleanCSS({
noAdvanced: true, // disable advanced optimizations - selector & property merging, reduction, etc.
keepSpecialComments: 0 // remove all css comments ('*' to keep all, 1 to keep first comment only)
});
var rootDir = process.argv[2];
var platformPath = path.join(rootDir, 'platforms');
var platform = process.env.CORDOVA_PLATFORMS;
var cliCommand = process.env.CORDOVA_CMDLINE;
// hook configuration
var isRelease = true; // by default this hook is always enabled, see the line below on how to execute it only for release
//var isRelease = (cliCommand.indexOf('--release') > -1);
var recursiveFolderSearch = true; // set this to false to manually indicate the folders to process
var foldersToProcess = [ // add other www folders in here if needed (ex. js/controllers)
'js',
'css'
];
if (!isRelease) {
return;
}
console.log('cordova-uglify will always run by default, uncomment the line checking for the release flag otherwise');
switch (platform) {
case 'android':
platformPath = path.join(platformPath, platform, 'assets', 'www');
break;
case 'ios': case 'browser':
platformPath = path.join(platformPath, platform, 'www');
break;
default:
console.log('this hook only supports android, ios, and browser currently');
return;
}
foldersToProcess.forEach(function(folder) {
processFiles(path.join(platformPath, folder));
});
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 (recursiveFolderSearch && stat.isDirectory()) {
processFiles(file);
} else{
compress(file);
}
});
});
});
}
function compress(file) {
var ext = path.extname(file);
switch(ext) {
case '.js':
console.log('uglifying js file ' + file);
var res = ngAnnotate(String(fs.readFileSync(file)), { add: true });
var result = UglifyJS.minify(res.src, {
compress: { // pass false here if you only want to minify (no obfuscate)
drop_console: true // remove console.* statements (log, warn, etc.)
},
fromString: true
});
fs.writeFileSync(file, result.code, 'utf8'); // overwrite the original unminified file
break;
case '.css':
console.log('minifying css file ' + file);
var source = fs.readFileSync(file, 'utf8');
var result = cssMinifier.minify(source);
fs.writeFileSync(file, result, 'utf8'); // overwrite the original unminified file
break;
default:
console.log('encountered a ' + ext + ' file, not compressing it');
break;
}
}
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