@datadayrepos/js-id-web/dist/esm/time/index.js

Utils for generating identifiers in javascript browser environment. Using web crypto engine for random number generation.

export const genTimeId = (function genIdFn() {
    let preKey = `${+new Date()}`;
    let key = 0;
    return () => {
        const curTimestamp = `${+new Date()}`;
        if (curTimestamp === preKey) {
            key += 1;
        }
        else {
            key = 0;
        }
        preKey = curTimestamp;
        return `${preKey}x${key}`;
    };
})();