sitespeed.io/lib/aggregators/yslow/jsWeightPerPage.js

23 lines
790 B
JavaScript

/**
* Sitespeed.io - How speedy is your site? (https://www.sitespeed.io)
* Copyright (c) 2014, Peter Hedenskog, Tobias Lidskog
* and other contributors
* Released under the Apache 2.0 License
*/
'use strict';
var Aggregator = require('../aggregator');
var util = require('../../util/yslowUtil');
module.exports = new Aggregator('jsWeightPerPage', 'JS File Weight Per Page',
'Don\'t download large Javascript libraries when you only use small parts of it.',
'pagemetric', 'bytes', 2,
function(pageData) {
if (pageData.yslow) {
// there's a bug in YSlow that calculates the size wrong
// so it is better to get it per type
// also YSlow/PhantomJs don't know about compressed size
this.stats.push(util.getSize(pageData.yslow.comps, 'js'));
}
});