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UUIDGeneratorNode javascript Code Snippet in 2024

noderandomintermediate

Last Updated: 13 July 2024

Generates a UUID in Node.JS.

  • Use crypto.randomBytes() to generate a UUID, compliant with RFC4122 version 4.
  • Use Number.prototype.toString(16) to convert it to a proper UUID.
const crypto = require('crypto'); const UUIDGeneratorNode = () => ([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, c => (c ^ (crypto.randomBytes(1)[0] & (15 >> (c / 4)))).toString(16) );
UUIDGeneratorNode(); // '79c7c136-60ee-40a2-beb2-856f1feabefc'

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