30 lines
671 B
JavaScript
30 lines
671 B
JavaScript
import Helper from '@ember/component/helper';
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const UNITS = ['Bytes', 'KiB', 'MiB', 'GiB'];
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/**
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* Bytes Formatter
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*
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* Usage: {{format-bytes bytes}}
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*
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* Outputs the bytes reduced to the largest supported unit size for which
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* bytes is larger than one.
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*/
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export function reduceToLargestUnit(bytes) {
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bytes || (bytes = 0);
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let unitIndex = 0;
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while (bytes >= 1024 && unitIndex < UNITS.length - 1) {
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bytes /= 1024;
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unitIndex++;
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}
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return [bytes, UNITS[unitIndex]];
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}
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export function formatBytes([bytes]) {
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const [number, unit] = reduceToLargestUnit(bytes);
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return `${Math.floor(number)} ${unit}`;
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}
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export default Helper.helper(formatBytes);
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