Haha-Yes/node_modules/m3u8stream/lib/parse-time.js
2018-09-09 21:20:36 +02:00

35 lines
972 B
JavaScript

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