| /* |
| 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] |
| }`; |
| }; |