v8/tools/heap-stats/helper.js
Igor Sheludko 40c9fa052b [tools] Fix v8-heap-stats
Don't use deprecated HTML Imports, directly fetch the template files from
html instead.

Bug: v8:10155
Change-Id: Ic85a8b2cf227231fc6abf5adca6f1f144bf728f2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2113371
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66825}
2020-03-23 13:53:05 +00:00

31 lines
844 B
JavaScript

// Copyright 2018 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', 'KiB', 'MiB', 'GiB'];
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)));
}