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#! /usr/bin/env node
// -*- js -*-
"use strict";
var createHash = require("crypto").createHash;
var fetch = require("./fetch");
var spawn = require("child_process").spawn;
var zlib = require("zlib");
var args = process.argv.slice(2);
if (!args.length) args.push("-mc");
args.unshift("bin/uglifyjs");
args.push("--timings");
var urls = [
"https://code.jquery.com/jquery-3.4.1.js",
"https://code.angularjs.org/1.7.8/angular.js",
"https://unpkg.com/mathjs@6.2.3/dist/math.js",
"https://unpkg.com/react@15.3.2/dist/react.js",
"https://cdnjs.cloudflare.com/ajax/libs/d3/6.7.0/d3.js",
"https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.js",
"https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.js",
"https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.12.2/ember.prod.js",
"https://raw.githubusercontent.com/kangax/html-minifier/v4.0.0/dist/htmlminifier.js",
];
var results = {};
var remaining = 2 * urls.length;
function done() {
if (!--remaining) {
var failures = [];
var sum = { input: 0, output: 0, gzip: 0 };
urls.forEach(function(url) {
var info = results[url];
console.log();
console.log(url);
console.log(info.log);
console.log("Original:", info.input, "bytes");
console.log("Uglified:", info.output, "bytes");
console.log("GZipped: ", info.gzip, "bytes");
console.log("SHA1 sum:", info.sha1);
if (info.code) {
failures.push(url);
}
sum.input += info.input;
sum.output += info.output;
sum.gzip += info.gzip;
});
if (failures.length) {
console.error("Benchmark failed:");
failures.forEach(function(url) {
console.error(url);
});
process.exit(1);
} else {
console.log();
console.log("Subtotal");
console.log();
console.log("Original:", sum.input, "bytes");
console.log("Uglified:", sum.output, "bytes");
console.log("GZipped: ", sum.gzip, "bytes");
}
}
}
urls.forEach(function(url) {
results[url] = {
input: 0,
output: 0,
gzip: 0,
log: ""
};
fetch(url, function(err, res) {
if (err) throw err;
var uglifyjs = spawn(process.argv[0], args, { silent: true });
res.on("data", function(data) {
results[url].input += data.length;
}).pipe(uglifyjs.stdin);
var sha1 = createHash("sha1");
uglifyjs.stdout.on("data", function(data) {
results[url].output += data.length;
}).pipe(zlib.createGzip({
level: zlib.Z_BEST_COMPRESSION
})).on("data", function(data) {
results[url].gzip += data.length;
sha1.update(data);
}).on("end", function() {
results[url].sha1 = sha1.digest("hex");
done();
});
uglifyjs.stderr.setEncoding("utf8");
uglifyjs.stderr.on("data", function(data) {
results[url].log += data;
});
uglifyjs.on("exit", function(code) {
results[url].code = code;
done();
});
});
});
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