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var https = require('https'),
zlib = require('zlib'),
path = require('path'),
fs = require('fs');
var count = 0;
var resolved = 0;
var outputs = [];
var done;
function check() {
if (resolved === count) {
normalize();
display();
}
}
function makeBar(length) {
var i = '';
while (i.length < length) {
i += '=';
}
return i;
}
function normalize() {
var i,
max = 0,
max2 = 0;
for (i = 0; i < count; i++) {
max = Math.max(max, outputs[i].gzip);
max2 = Math.max(max2, outputs[i].original);
}
for (i = 0; i < count; i++) {
outputs[i].bargraph = makeBar((outputs[i].gzip / max) * 80);
outputs[i].bargraph2 = makeBar((outputs[i].original / max2) * 80);
}
}
function display() {
var i;
for (i = 0; i < count; i++) {
console.log(outputs[i].version + ' ' + outputs[i].gzip + ' ' + outputs[i].original);
console.log('gzip ' + outputs[i].bargraph);
console.log('orig ' + outputs[i].bargraph2);
}
done();
}
function getSizeAtVersion(version, path) {
var data = '',
op = {},
req = https.request({
host: 'raw.github.com',
port: 443,
path: '/timrwood/moment/' + version + path
}, function (res) {
res.setEncoding('utf8');
res.on('data', function (chunk) {
data += chunk;
});
res.on('end', function (e) {
zlib.gzip(data, function (error, result) {
op.version = version;
op.gzip = result.length;
op.original = data.length;
resolved++;
check();
});
});
});
req.on('error', function (e) {
console.log('problem with request: ' + e.message);
});
req.end();
count++;
outputs.push(op);
}
function getRemote() {
var oldVersions = '1.0.1 1.1.0 1.1.1 1.1.2 1.2.0 1.3.0 1.4.0'.split(' '),
newVersions = '1.5.0 1.5.1 1.6.0 1.6.1 1.7.0 1.7.1'.split(' '),
i;
for (i = 0; i < oldVersions.length; i++) {
getSizeAtVersion(oldVersions[i], '/moment.min.js');
}
for (i = 0; i < newVersions.length; i++) {
getSizeAtVersion(newVersions[i], '/min/moment.min.js');
}
}
function getLocal() {
count++;
var op = {};
outputs.push(op);
fs.readFile(path.normalize(__dirname + '/../min/moment.min.js'), 'utf8', function (err, data) {
if (err) {
throw err;
}
zlib.gzip(data, function (error, result) {
op.version = '.next';
op.gzip = result.length;
op.original = data.length;
resolved++;
check();
});
});
}
module.exports = function (grunt) {
grunt.registerTask('history', 'Check the codebase filesize over different releases.', function () {
done = this.async();
getRemote();
getLocal();
});
};
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