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25 lines
538 B
JavaScript
25 lines
538 B
JavaScript
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Sean Larkin @thelarkinn
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*/
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"use strict";
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const SizeFormatHelpers = exports;
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SizeFormatHelpers.formatSize = size => {
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if (typeof size !== "number" || Number.isNaN(size) === true) {
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return "unknown size";
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}
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if (size <= 0) {
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return "0 bytes";
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}
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const abbreviations = ["bytes", "KiB", "MiB", "GiB"];
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const index = Math.floor(Math.log(size) / Math.log(1024));
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return `${+(size / Math.pow(1024, index)).toPrecision(3)} ${
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abbreviations[index]
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}`;
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};
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