uniqid2

uniqid2.js

// from my thinking this is much faster than uuuid as long as you do not same microsecond requests
function uniqId2() {
    const hrTime = process.hrtime.bigint();
    const microTime = hrTime / BigInt(1000);
    const randomComponent = Math.floor(Math.random() * 16).toString(16); // generates a random hexadecimal digit
    return microTime.toString(16) + randomComponent;
}

function idToTimestamp(id) {
    const idWithoutRandomComponent = id.slice(0, -1); // remove the random component
    const microTime = BigInt('0x' + idWithoutRandomComponent); // convert from hexadecimal to BigInt
    const hrTime = microTime * BigInt(1000); // convert from microseconds to nanoseconds
    return Number(hrTime) / 1e9; // convert from nanoseconds to seconds
}