#! /usr/bin/env node // -*- js -*- "use strict"; var createHash = require("crypto").createHash; var fork = require("child_process").fork; var args = process.argv.slice(2); if (!args.length) { args.push("-mc", "warnings=false"); } args.push("--stats"); var urls = [ "https://code.jquery.com/jquery-3.1.1.js", "https://code.angularjs.org/1.6.1/angular.js", "https://cdnjs.cloudflare.com/ajax/libs/mathjs/3.9.0/math.js", "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.js", "https://unpkg.com/react@15.3.2/dist/react.js", "http://builds.emberjs.com/tags/v2.11.0/ember.prod.js", "https://cdn.jsdelivr.net/lodash/4.17.4/lodash.js", "https://cdnjs.cloudflare.com/ajax/libs/d3/4.5.0/d3.js", ]; var results = {}; var remaining = 2 * urls.length; function done() { if (!--remaining) { urls.forEach(function(url) { console.log(); console.log(url); console.log(results[url].time); console.log("SHA1:", results[url].sha1); }); } } urls.forEach(function(url) { results[url] = { time: "" }; require(url.slice(0, url.indexOf(":"))).get(url, function(res) { var uglifyjs = fork("bin/uglifyjs", args, { silent: true }); res.pipe(uglifyjs.stdin); uglifyjs.stdout.pipe(createHash("sha1")).on("data", function(data) { results[url].sha1 = data.toString("hex"); done(); }); uglifyjs.stderr.setEncoding("utf8"); uglifyjs.stderr.on("data", function(data) { results[url].time += data; }).on("end", done) }); });