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Make file size more compact #203

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Make file size more compact #203

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11 changes: 6 additions & 5 deletions src/lib/helpers.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -8,22 +8,23 @@ export function getFileContent(file: Buffer | string): string {
return buffer.toString();
}

const BYTE_SIZES = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
const BYTE_SIZES = ['B', 'K', 'M', 'G', 'TB', 'PB', 'EB', 'ZB', 'YB'];
// Bytes
const SIZE_BASE = 1024;

/**
* Format number of bytes as string
* Source @see https://stackoverflow.com/a/18650828/388951
*/
export function formatBytes(bytes: number, decimals = 2): string {
if (bytes === 0) return `0 ${BYTE_SIZES[0]}`;
export function formatBytes(bytes: number, maximumSignificantDigits = 3): string {
if (bytes === 0) return `0${BYTE_SIZES[0]}`;

const exponent = Math.floor(Math.log(bytes) / Math.log(SIZE_BASE));
const value = bytes / Math.pow(SIZE_BASE, exponent);

// `parseFloat` removes trailing zero
return `${parseFloat(value.toFixed(decimals))} ${BYTE_SIZES[exponent]}`;
return `${new Intl.NumberFormat('default', { maximumSignificantDigits }).format(value)}${
BYTE_SIZES[exponent]
}`;
}

export function formatPercent(value: number, total: number, fractionDigits?: number): string {
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