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musix-oss/node_modules/m3u8stream/dist/parse-time.js
2020-03-03 22:30:50 +02:00

52 lines
1.4 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
* 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.
*/
const numberFormat = /^\d+$/;
const timeFormat = /^(?:(?:(\d+):)?(\d{1,2}):)?(\d{1,2})(?:\.(\d{3}))?$/;
const timeUnits = {
ms: 1,
s: 1000,
m: 60000,
h: 3600000,
};
exports.humanStr = (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;
}
};
/**
* Parses a duration string in the form of "123.456S", returns milliseconds.
*/
exports.durationStr = (time) => {
let total = 0;
const r = /(\d+(?:\.\d+)?)(S|M|H)/g;
let rs;
while ((rs = r.exec(time)) != null) {
total += +rs[1] * timeUnits[rs[2].toLowerCase()];
}
return total;
};
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