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snabbdom/perf/benchmarks.js

61 lines
1.6 KiB
JavaScript

// Has not been maintained for a while.
/* eslint-disable */
var Benchmark = require('benchmark');
var a = require('../snabbdom.js');
var b = require('../oldsnabbdom.js');
global.a = a;
global.b = b;
var suite = new Benchmark.Suite();
a.spanNum = function spanNum (n) {
return a.h('span', { key: n }, n.toString());
};
b.spanNum = function spanNum (n) {
return b.h('span', { key: n }, n.toString());
};
var elms = global.elms = 10;
var arr = global.arr = [];
for (var n = 0; n < elms; ++n) { arr[n] = n; }
document.addEventListener('DOMContentLoaded', function () {
var elm = global.elm = document.getElementById('container');
// add tests
suite.add('a/ insert first', {
setup: function () {
var vnode1 = a.h('div', arr.map(a.spanNum));
var vnode2 = a.h('div', ['new'].concat(arr).map(a.spanNum));
},
fn: function () {
var emptyNode = a.emptyNodeAt(elm);
a.patch(emptyNode, vnode1);
a.patch(vnode1, vnode2);
a.patch(vnode2, a.emptyNode);
},
})
.add('b/ insert first', {
setup: function () {
var vnode1 = b.h('div', arr.map(b.spanNum));
var vnode2 = b.h('div', ['new'].concat(arr).map(b.spanNum));
},
fn: function () {
var emptyNode = b.emptyNodeAt(elm);
b.patch(emptyNode, vnode1);
b.patch(vnode1, vnode2);
b.patch(vnode2, b.emptyNode);
},
})
// add listeners
.on('cycle', function (event) {
console.log(String(event.target));
})
.on('complete', function () {
console.log('Fastest is ' + this.filter('fastest').pluck('name'));
})
// run async
.run({ async: true });
});