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snowflake-codon

v4.1.1

Published

Generate IDs with strategy like Twitter Snowflake and encode it in short string

Downloads

13

Readme

SnowflakeCodon

Build Status codecov npm version

Generate IDs with strategy like Twitter Snowflake and encode it in short string.

Properties

  • 35 bit timestamp encoded to 7 characters
  • 5 bit application ID encoded to 1 character
  • 25 bit machine ID encoded to 5 characters
  • 10 bit sequence encoded to 2 characters
  • configurable timestamp precision and range
  • default 1000 ms precision and more than 1000 years range from 1970 to 3000
  • ((2^35 * precision ms) / (1000 * 60 * 60 * 24 * 365)) years timestamp range

Getting Started

Install it via npm:

npm install snowflake-codon

Include in your project:

var SnowflakeCodon = require("snowflake-codon");

Generate IDs with application ID and machine ID

var appId = 1; // optional, default value 0
var machineId = 99; // optional, default value 0
var firstYear = 2015; // optional, default value 1970
var timestampPrecision = 200; // optional, default value 1000 (ms)
var generator = new SnowflakeCodon(appId, machineId, firstYear, timestampPrecision);
var id = generator.nextId();
// id will be something like '0fw2tte10003300'

License

MIT