31 lines
845 B
JavaScript
31 lines
845 B
JavaScript
|
// Copyright 2020 the V8 project authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
const KB = 1024;
|
||
|
|
const MB = KB * KB;
|
||
|
|
const GB = MB * KB;
|
||
|
|
const kMillis2Seconds = 1 / 1000;
|
||
|
|
|
||
|
|
function formatBytes(bytes) {
|
||
|
|
const units = [' B', ' KB', ' MB', ' GB'];
|
||
|
|
const divisor = 1024;
|
||
|
|
let index = 0;
|
||
|
|
while (index < units.length && bytes >= divisor) {
|
||
|
|
index++;
|
||
|
|
bytes /= divisor;
|
||
|
|
}
|
||
|
|
return bytes.toFixed(2) + units[index];
|
||
|
|
}
|
||
|
|
|
||
|
|
function formatSeconds(millis) {
|
||
|
|
return (millis * kMillis2Seconds).toFixed(2) + 's';
|
||
|
|
}
|
||
|
|
|
||
|
|
function defineCustomElement(name, generator) {
|
||
|
|
let htmlTemplatePath = name + '-template.html';
|
||
|
|
fetch(htmlTemplatePath)
|
||
|
|
.then(stream => stream.text())
|
||
|
|
.then(templateText => customElements.define(name, generator(templateText)));
|
||
|
|
}
|