2016-11-29 23:45:03 +08:00
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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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2017-02-21 21:52:40 +08:00
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"use strict";
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2016-11-29 23:32:10 +08:00
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2017-02-21 21:52:40 +08:00
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const SizeFormatHelpers = exports;
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SizeFormatHelpers.formatSize = size => {
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2016-12-05 06:47:19 +08:00
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if(size <= 0) {
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2016-11-29 23:45:03 +08:00
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return "0 bytes";
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}
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2016-11-29 23:32:10 +08:00
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2017-02-21 21:52:40 +08:00
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const abbreviations = ["bytes", "kB", "MB", "GB"];
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const index = Math.floor(Math.log(size) / Math.log(1000));
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2016-11-29 23:32:10 +08:00
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2017-02-21 21:52:40 +08:00
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return `${+(size / Math.pow(1000, index)).toPrecision(3)} ${abbreviations[index]}`;
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2017-01-11 17:51:58 +08:00
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};
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