1'use strict'; 2 3var fs = require('fs') 4 , path = require('path') 5 , browserify = require('browserify') 6 , uglify = require('uglify-js'); 7 8var pkg = process.argv[2] 9 , standalone = process.argv[3] 10 , compress = process.argv[4]; 11 12var packageDir = path.join(__dirname, '..'); 13if (pkg != '.') packageDir = path.join(packageDir, 'node_modules', pkg); 14 15var json = require(path.join(packageDir, 'package.json')); 16 17var distDir = path.join(__dirname, '..', 'dist'); 18if (!fs.existsSync(distDir)) fs.mkdirSync(distDir); 19 20var bOpts = {}; 21if (standalone) bOpts.standalone = standalone; 22 23browserify(bOpts) 24.require(path.join(packageDir, json.main), {expose: json.name}) 25.bundle(function (err, buf) { 26 if (err) { 27 console.error('browserify error:', err); 28 process.exit(1); 29 } 30 31 var outputFile = path.join(distDir, json.name); 32 var uglifyOpts = { 33 warnings: true, 34 compress: {}, 35 output: { 36 preamble: '/* ' + json.name + ' ' + json.version + ': ' + json.description + ' */' 37 } 38 }; 39 if (compress) { 40 var compressOpts = compress.split(','); 41 for (var i=0, il = compressOpts.length; i<il; ++i) { 42 var pair = compressOpts[i].split('='); 43 uglifyOpts.compress[pair[0]] = pair.length < 1 || pair[1] != 'false'; 44 } 45 } 46 if (standalone) { 47 uglifyOpts.sourceMap = { 48 filename: json.name + '.min.js', 49 url: json.name + '.min.js.map' 50 }; 51 } 52 53 var result = uglify.minify(buf.toString(), uglifyOpts); 54 fs.writeFileSync(outputFile + '.min.js', result.code); 55 if (result.map) fs.writeFileSync(outputFile + '.min.js.map', result.map); 56 if (standalone) fs.writeFileSync(outputFile + '.bundle.js', buf); 57 if (result.warnings) { 58 for (var j=0, jl = result.warnings.length; j<jl; ++j) 59 console.warn('UglifyJS warning:', result.warnings[j]); 60 } 61}); 62