15 lines
344 B
JavaScript
15 lines
344 B
JavaScript
'use strict';
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const parseTimescale = str => {
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if (typeof str !== 'string') {
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return;
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}
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const str1 = str.trim();
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const m = str1.match(/^(\d+)\s*(\w+)$/);
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const res1 = ({1: 0, 10: 1, 100: 2})[m[1]];
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const res2 = ({s: 0, ms: -3, us: -6, ns: -9, ps: -12, fs: -15})[m[2]];
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return res1 + res2;
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};
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module.exports = parseTimescale;
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