andre/30-seconds-of-code
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ran npm run tdd

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King
2018-01-17 13:40:40 -05:00
parent f232347f8a
commit 129a6fb333
244 changed files with 894 additions and 371 deletions
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5
test/prettyBytes/prettyBytes.js
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@ -1,7 +1,8 @@
module.exports = prettyBytes = (num, precision = 3, addSpace = true) => {
const prettyBytes = (num, precision = 3, addSpace = true) => {
const UNITS = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
if (Math.abs(num) < 1) return num + (addSpace ? ' ' : '') + UNITS[0];
const exponent = Math.min(Math.floor(Math.log10(num < 0 ? -num : num) / 3), UNITS.length - 1);
const n = Number(((num < 0 ? -num : num) / 1000 ** exponent).toPrecision(precision));
return (num < 0 ? '-' : '') + n + (addSpace ? ' ' : '') + UNITS[exponent];
};
};
module.exports = prettyBytes