Function nextTimeInterval

src/utils/time.ts:40–77

(time0: string, time1: string, date: Date = new Date())

}

export function nextTimeInterval(time0: string, time1: string, date: Date = new Date()): number | null {
    const a = parse24HTime(time0);
    const b = parse24HTime(time1);
    const t = [date.getHours(), date.getMinutes()];

    // Ensure a <= b
    if (compareTime(a, b) > 0) {
        return nextTimeInterval(time1, time0, date);
    }

    if (compareTime(a, b) === 0) {
        return null;
    }

    if (compareTime(t, a) < 0) {
        // t < a <= b
        // Schedule for todate at time a
        date.setHours(a[0]);
        date.setMinutes(a[1]);
        date.setSeconds(0);
        date.setMilliseconds(0);
        return date.getTime();
    }

    if (compareTime(t, b) < 0) {
        // a <= t < b
        // Schedule for today at time b
        date.setHours(b[0]);
        date.setMinutes(b[1]);
        date.setSeconds(0);
        date.setMilliseconds(0);
        return date.getTime();
    }

    // a <= b <= t
    // Schedule for tomorrow at time a
    return (new Date(date.getFullYear(), date.getMonth(), date.getDate() + 1, a[0], a[1])).getTime();
}

export function isInTimeIntervalLocal(time0: string, time1: string, date: Date = new Date()): boolean {
    const a = parse24HTime(time0);