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refactor: bundle script

master
Evgeny Poberezkin 2017-03-11 21:20:11 +00:00
parent 8485849c40
commit 1b4cbcba33
1 changed files with 31 additions and 26 deletions
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57
scripts/bundle.js
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@ -1,28 +1,36 @@
'use strict'; 'use strict';
var pkg = process.argv[2]; var fs = require('fs')
var standalone = process.argv[3]; , path = require('path')
var compress = process.argv[4]; , browserify = require('browserify')
, uglify = require('uglify-js');
var fs = require('fs'); var pkg = process.argv[2]
var packageDir = __dirname + '/..'; , standalone = process.argv[3]
if ('.' !== pkg) packageDir += '/node_modules/' + pkg; , compress = process.argv[4];
var json = JSON.parse(fs.readFileSync(packageDir + '/package.json', 'utf8')); var packageDir = path.join(__dirname, '..');
if (pkg != '.') packageDir = path.join(packageDir, 'node_modules', pkg);
var distDir = __dirname + '/../dist'; var json = require(path.join(packageDir, 'package.json'));
var distDir = path.join(__dirname, '..', 'dist');
if (!fs.existsSync(distDir)) fs.mkdirSync(distDir); if (!fs.existsSync(distDir)) fs.mkdirSync(distDir);
var browserify = require('browserify'); var bOpts = {};
var bo = {}; if (standalone) bOpts.standalone = standalone;
if (standalone) bo.standalone = standalone;
var b = browserify(bo); browserify(bOpts)
b.require(packageDir + '/' + json.main, {expose: json.name}); .require(path.join(packageDir, json.main), {expose: json.name})
var outputPath = distDir + '/' + json.name + '.bundle.js'; .bundle(function (err, buf) {
if (err) {
console.error('browserify error:', err);
process.exit(1);
}
b.bundle().pipe(fs.createWriteStream(outputPath)).on('close', function () { var outputFile = path.join(distDir, json.name);
var UglifyJS = require('uglify-js'); var outputBundle = outputFile + '.bundle.js';
fs.writeFileSync(outputBundle, buf);
var uglifyOpts = { var uglifyOpts = {
warnings: true, warnings: true,
compress: {}, compress: {},
@ -32,18 +40,15 @@ b.bundle().pipe(fs.createWriteStream(outputPath)).on('close', function () {
}; };
if (compress) { if (compress) {
var compressOpts = compress.split(','); var compressOpts = compress.split(',');
for (var i = 0, l = compressOpts.length; i<l; ++i) { for (var i=0; i<compressOpts.length; ++i) {
var pair = compressOpts[i].split('='); var pair = compressOpts[i].split('=');
uglifyOpts.compress[pair[0]] = pair.length < 1 || 'false' !== pair[1]; uglifyOpts.compress[pair[0]] = pair.length < 1 || pair[1] != 'false';
} }
} }
if (standalone) { if (standalone) uglifyOpts.outSourceMap = json.name + '.min.js.map';
uglifyOpts.outSourceMap = json.name + '.min.js.map';
uglifyOpts.mangle = {except: [standalone]};
}
var result = UglifyJS.minify(distDir + '/' + json.name + '.bundle.js', uglifyOpts); var result = uglify.minify(outputBundle, uglifyOpts);
fs.writeFileSync(distDir + '/' + json.name + '.min.js', result.code); fs.writeFileSync(outputFile + '.min.js', result.code);
if (result.map) fs.writeFileSync(distDir + '/' + json.name + '.min.js.map', result.map); if (result.map) fs.writeFileSync(outputFile + '.min.js.map', result.map);
if (!standalone) fs.unlinkSync(distDir + '/' + json.name + '.bundle.js'); if (!standalone) fs.unlinkSync(outputBundle);
}); });