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Add edge case checks and rework logic

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This commit is contained in:
Brett Gilio 2022-12-24 22:25:10 +00:00
parent 073a38ef1e
commit 0f9f2f3bf3
1 changed files with 13 additions and 6 deletions
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19
client/js/helpers/friendlysize.ts
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@ -1,8 +1,15 @@
const sizes = ["Bytes", "KiB", "MiB", "GiB", "TiB", "PiB"];
export default (size: number) => {
// Loosely inspired from https://stackoverflow.com/a/18650828/1935861
const i = size > 0 ? Math.floor(Math.log(size) / Math.log(1024)) : 0;
const fixedSize = parseFloat((size / Math.pow(1024, i)).toFixed(1));
return `${fixedSize} ${sizes[i]}`;
};
export default function formatSize(size: number): string {
if (size <= 0) {
throw new Error("Size must be a positive number");
}
const i = Math.floor(Math.log(size) / Math.log(1024));
if (i >= sizes.length) {
throw new Error("Size is out of range");
}
return `${(size / Math.pow(1024, i)).toFixed(1)} ${sizes[i]}`;
}