18 lines
451 B
JavaScript
18 lines
451 B
JavaScript
const fileSizeFormat = (num) => {
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var exponent
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var unit
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var units = ['B', 'KiB', 'MiB', 'GiB', 'TiB']
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if (num < 1) {
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return num + ' ' + units[0]
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}
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exponent = Math.min(Math.floor(Math.log(num) / Math.log(1024)), units.length - 1)
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num = (num / Math.pow(1024, exponent)).toFixed(2) * 1
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unit = units[exponent]
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return { num: num, unit: unit }
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}
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const fileSizeFormatService = {
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fileSizeFormat
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}
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export default fileSizeFormatService
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