const e = 1000;
const s = e * 60;
const r = s * 60;
const n = r * 24;
const t = n * 7;
const c = n * 365.25;
function a(e, s) {
    try {
        if (typeof e === 'string' && e.length > 0) {
            return o(e);
        } else if (typeof e === 'number' && isFinite(e)) {
            return s?.long ? i(e) : u(e);
        }
        throw new Error('Value is not a string or number.');
    } catch (n) {
        const r = m(n) ? `${n.message}. value=${JSON.stringify(e)}` : 'An unknown error has occurred.';
        throw new Error(r);
    }
}
function o(a) {
    if (a.length > 100) {
        throw new Error('Value exceeds the maximum length of 100 characters.');
    }
    const o = /^(?<value>-?(?:\d+)?\.?\d+) *(?<type>milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(a);
    const u = o?.groups;
    if (!u) {
        return NaN;
    }
    const i = parseFloat(u.value);
    const h = (u.type || 'ms').toLowerCase();
    switch(h){
        case 'years':
        case 'year':
        case 'yrs':
        case 'yr':
        case 'y':
            return i * c;
        case 'weeks':
        case 'week':
        case 'w':
            return i * t;
        case 'days':
        case 'day':
        case 'd':
            return i * n;
        case 'hours':
        case 'hour':
        case 'hrs':
        case 'hr':
        case 'h':
            return i * r;
        case 'minutes':
        case 'minute':
        case 'mins':
        case 'min':
        case 'm':
            return i * s;
        case 'seconds':
        case 'second':
        case 'secs':
        case 'sec':
        case 's':
            return i * e;
        case 'milliseconds':
        case 'millisecond':
        case 'msecs':
        case 'msec':
        case 'ms':
            return i;
        default:
            throw new Error(`The unit ${h} was matched, but no matching case exists.`);
    }
}
export default a;
function u(t) {
    const c = Math.abs(t);
    if (c >= n) {
        return `${Math.round(t / n)}d`;
    }
    if (c >= r) {
        return `${Math.round(t / r)}h`;
    }
    if (c >= s) {
        return `${Math.round(t / s)}m`;
    }
    if (c >= e) {
        return `${Math.round(t / e)}s`;
    }
    return `${t}ms`;
}
function i(t) {
    const c = Math.abs(t);
    if (c >= n) {
        return h(t, c, n, 'day');
    }
    if (c >= r) {
        return h(t, c, r, 'hour');
    }
    if (c >= s) {
        return h(t, c, s, 'minute');
    }
    if (c >= e) {
        return h(t, c, e, 'second');
    }
    return `${t} ms`;
}
function h(e, s, r, n) {
    const t = s >= r * 1.5;
    return `${Math.round(e / r)} ${n}${t ? 's' : ''}`;
}
function m(e) {
    return typeof e === 'object' && e !== null && 'message' in e;
}