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81 lines
1.7 KiB
JavaScript
81 lines
1.7 KiB
JavaScript
'use strict';
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var uglifyjs = require('uglify-js');
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var async = require('async');
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var fs = require('fs');
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var file = require('./src/file');
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var Minifier = {
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js: {},
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};
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/* Javascript */
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Minifier.js.minify = function (scripts, minify, callback) {
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scripts = scripts.filter(function (file) {
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return file && file.endsWith('.js');
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});
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async.filter(scripts, function (script, next) {
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file.exists(script, function (exists) {
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if (!exists) {
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console.warn('[minifier] file not found, ' + script);
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}
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next(exists);
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});
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}, function (scripts) {
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if (minify) {
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minifyScripts(scripts, callback);
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} else {
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concatenateScripts(scripts, callback);
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}
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});
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};
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process.on('message', function (payload) {
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switch (payload.action) {
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case 'js':
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Minifier.js.minify(payload.scripts, payload.minify, function (minified/* , sourceMap*/) {
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process.send({
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type: 'end',
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// sourceMap: sourceMap,
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minified: minified,
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});
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});
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break;
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}
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});
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function minifyScripts(scripts, callback) {
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// The portions of code involving the source map are commented out as they're broken in UglifyJS2
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// Follow along here: https://github.com/mishoo/UglifyJS2/issues/700
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try {
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var minified = uglifyjs.minify(scripts, {
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// outSourceMap: "nodebb.min.js.map",
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compress: false,
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});
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callback(minified.code/* , minified.map*/);
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} catch (err) {
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process.send({
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type: 'error',
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message: err.message,
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});
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}
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}
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function concatenateScripts(scripts, callback) {
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async.map(scripts, fs.readFile, function (err, scripts) {
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if (err) {
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process.send({
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type: 'error',
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message: err.message,
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});
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return;
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}
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scripts = scripts.join(require('os').EOL + ';');
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callback(scripts);
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});
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}
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