| 1 | const UNITS = ['B', 'K', 'M', 'G', 'T', 'P', 'E'];
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| 2 |
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| 3 | const { floor, log, min, round } = Math;
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| 4 |
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| 5 | const BASE = 1024;
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| 6 |
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| 7 | export default size => {
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| 8 | const i = size ? min(UNITS.length - 1, floor(log(size) / log(BASE))) : 0;
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| 9 | const s = (round((size / BASE ** i) * BASE) / BASE).toPrecision(4);
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| 10 | return new Array(6 - s.length).join(' ') + s + UNITS[i];
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| 11 | };
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