36 lines
972 B
JavaScript
36 lines
972 B
JavaScript
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/**
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* Converts human friendly time to milliseconds. Supports the format
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* 00:00:00.000 for hours, minutes, seconds, and milliseconds respectively.
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* And 0ms, 0s, 0m, 0h, and together 1m1s.
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*
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* @param {String|Number} time
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* @return {Number}
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*/
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const numberFormat = /^\d+$/;
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const timeFormat = /^(?:(?:(\d+):)?(\d{1,2}):)?(\d{1,2})(?:\.(\d{3}))?$/;
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const timeUnits = {
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ms: 1,
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s: 1000,
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m: 60000,
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h: 3600000,
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};
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module.exports = (time) => {
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if (typeof time === 'number') { return time; }
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if (numberFormat.test(time)) { return +time; }
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const firstFormat = timeFormat.exec(time);
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if (firstFormat) {
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return +(firstFormat[1] || 0) * timeUnits.h +
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+(firstFormat[2] || 0) * timeUnits.m +
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+firstFormat[3] * timeUnits.s +
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+(firstFormat[4] || 0);
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} else {
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let total = 0;
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const r = /(-?\d+)(ms|s|m|h)/g;
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let rs;
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while ((rs = r.exec(time)) != null) {
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total += +rs[1] * timeUnits[rs[2]];
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}
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return total;
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}
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};
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