25 lines
538 B
JavaScript
25 lines
538 B
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Sean Larkin @thelarkinn
|
|
*/
|
|
"use strict";
|
|
|
|
const SizeFormatHelpers = exports;
|
|
|
|
SizeFormatHelpers.formatSize = size => {
|
|
if (typeof size !== "number" || Number.isNaN(size) === true) {
|
|
return "unknown size";
|
|
}
|
|
|
|
if (size <= 0) {
|
|
return "0 bytes";
|
|
}
|
|
|
|
const abbreviations = ["bytes", "KiB", "MiB", "GiB"];
|
|
const index = Math.floor(Math.log(size) / Math.log(1024));
|
|
|
|
return `${+(size / Math.pow(1024, index)).toPrecision(3)} ${
|
|
abbreviations[index]
|
|
}`;
|
|
};
|