[javascript] How do I use Node.js Crypto to create a HMAC-SHA1 hash?

const crypto = require('crypto')

const text = 'I love cupcakes'
const key = 'abcdeg'

crypto.createHmac('sha1', key)
  .update(text)
  .digest('hex')

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• How do I use Node.js Crypto to create a HMAC-SHA1 hash?