@svta/common-media-library/dist/cjs/iso/8601/decodeIso8601Duration.js

A common library for media playback in JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.decodeIso8601Duration = decodeIso8601Duration;
const DURATION = /^([-])?P(?:([\d.]*)Y)?(?:([\d.]*)M)?(?:([\d.]*)D)?T?(?:([\d.]*)H)?(?:([\d.]*)M)?(?:([\d.]*)S)?$/;
const SECONDS_IN_YEAR = 365 * 24 * 60 * 60;
const SECONDS_IN_MONTH = 30 * 24 * 60 * 60;
const SECONDS_IN_DAY = 24 * 60 * 60;
const SECONDS_IN_HOUR = 60 * 60;
const SECONDS_IN_MIN = 60;
/**
 * Decode an ISO 8601 duration string into seconds.
 *
 * @param isoDuration - ISO 8601 duration string.
 * @returns Duration in seconds.
 *
 * @group ISO 8601
 * @beta
 *
 * @example
 * {@includeCode ../../../test/iso/8601/decodeIso8601Duration.test.ts#example}
 */
function decodeIso8601Duration(isoDuration) {
    const match = DURATION.exec(isoDuration);
    if (!match) {
        return NaN;
    }
    const duration = Number(match[2] || 0) * SECONDS_IN_YEAR +
        Number(match[3] || 0) * SECONDS_IN_MONTH +
        Number(match[4] || 0) * SECONDS_IN_DAY +
        Number(match[5] || 0) * SECONDS_IN_HOUR +
        Number(match[6] || 0) * SECONDS_IN_MIN +
        Number(match[7] || 0);
    if (!isFinite(duration)) {
        return NaN;
    }
    return match[1] === undefined ? duration : -duration;
}
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