JsSnowflake(雪花算法)生成随机ID的实现方法

import SnowflakeId from "snowflake-id";

const guid = num => {
 const id= new SnowflakeId();
 return id.generate();
};

var Snowflake = /** @class */ (function() {
	function Snowflake(_workerId, _dataCenterId, _sequence) {
		this.twepoch = 1288834974657n;
		//this.twepoch = 0n;
		this.workerIdBits = 5n;
		this.dataCenterIdBits = 5n;
		this.maxWrokerId = -1n ^ (-1n < this.maxWrokerId || this.workerId <0) {
			thrownew Error('_workerId must max than 0 and small than maxWrokerId-[' + this.maxWrokerId + ']');
		}
		if(this.dataCenterId > this.maxDataCenterId || this.dataCenterId <0) {
			thrownew Error('_dataCenterId must max than 0 and small than maxDataCenterId-[' + this.maxDataCenterId + ']');
		}

		this.workerId = BigInt(_workerId);
		this.dataCenterId = BigInt(_dataCenterId);
		this.sequence = BigInt(_sequence);
	}
	Snowflake.prototype.tilNextMillis = function(lastTimestamp) {
		var timestamp = this.timeGen();
		while(timestamp <= lastTimestamp) {
			timestamp = this.timeGen();
		}
		return BigInt(timestamp);
	};
	Snowflake.prototype.timeGen = function() {
		return BigInt(Date.now());
	};
	Snowflake.prototype.nextId = function() {
		var timestamp = this.timeGen();
		if(timestamp 

import bigInt from "big-integer";

const guid = () => {
 const Snowflake = /** @class */ (function() {
  function Snowflake(_workerId, _dataCenterId, _sequence) {
   // this.twepoch = 1288834974657;
   this.twepoch = 0;
   this.workerIdBits = 5;
   this.dataCenterIdBits = 5;
   this.maxWrokerId = -1 ^ (-1 < this.maxWrokerId || this.workerId <0) {
    throw new Error(
     'config.worker_id must max than 0 and small than maxWrokerId-[' + this.maxWrokerId + ']'
    );
   }
   if (this.dataCenterId > this.maxDataCenterId || this.dataCenterId <0) {
    throw new Error(
     'config.data_center_id must max than 0 and small than maxDataCenterId-[' +
      this.maxDataCenterId +
      ']'
    );
   }
   this.workerId = _workerId;
   this.dataCenterId = _dataCenterId;
   this.sequence = _sequence;
  }
  Snowflake.prototype.tilNextMillis = function(lastTimestamp) {
   var timestamp = this.timeGen();
   while (timestamp <= lastTimestamp) {
    timestamp = this.timeGen();
   }
   return timestamp;
  };
  Snowflake.prototype.timeGen = function() {
   //new Date().getTime() === Date.now()
   return Date.now();
  };
  Snowflake.prototype.nextId = function() {
   var timestamp = this.timeGen();
   if (timestamp 

  console.log(guid(), new Date().getTime());
  console.log(guid(), new Date().getTime());
  console.log(guid(), new Date().getTime());
  console.log(guid(), new Date().getTime());
  console.log(guid(), new Date().getTime());
  console.log(guid(), new Date().getTime());
  console.log(guid(), new Date().getTime());
  console.log(guid(), new Date().getTime());
  console.log(guid(), new Date().getTime());
  console.log(guid(), new Date().getTime());
  console.log(guid(), new Date().getTime());
  console.log(guid(), new Date().getTime());

import SnowflakeId from "snowflake-id";

const guid = num => {
 const snowflake = new SnowflakeId();
 let arr = [];
 for (let i = 0; i