Function encodeTime

source/ulid.ts:93–120

(now: number, len: number = TIME_LEN)

 * @returns The encoded time
 */
export function encodeTime(now: number, len: number = TIME_LEN): string {
    if (isNaN(now)) {
        throw new ULIDError(
            ULIDErrorCode.EncodeTimeValueMalformed,
            `Time must be a number: ${now}`
        );
    } else if (now > TIME_MAX) {
        throw new ULIDError(
            ULIDErrorCode.EncodeTimeSizeExceeded,
            `Cannot encode a time larger than ${TIME_MAX}: ${now}`
        );
    } else if (now < 0) {
        throw new ULIDError(ULIDErrorCode.EncodeTimeNegative, `Time must be positive: ${now}`);
    } else if (Number.isInteger(now) === false) {
        throw new ULIDError(
            ULIDErrorCode.EncodeTimeValueMalformed,
            `Time must be an integer: ${now}`
        );
    }
    let mod: number,
        str: string = "";
    for (let currentLen = len; currentLen > 0; currentLen--) {
        mod = now % ENCODING_LEN;
        str = ENCODING.charAt(mod) + str;
        now = (now - mod) / ENCODING_LEN;
    }
    return str;
}

function inWebWorker(): boolean {
    // @ts-ignore