Node.js script to get an image hash

index.js

const { imageHash } = require('image-hash')

const image_url = 'https://media-exp1.licdn.com/dms/image/C4E03AQHTR_sKct2nmQ/profile-displayphoto-shrink_400_400/0/1594060729957?e=1613606400&v=beta&t=qVd6Yatw3WjkiVeo9ouKnC8h2lLbefQm6HROcxYE4Yc'
const bits = 16 // the more bits, the more unique the hash
const precise = true

async function main() {
  const prom = new Promise((resolve, reject) => {
    imageHash(image_url, bits, precise, (error, data) => {
      if (error) reject(error)
      else resolve(data)
    })
  })
  const hash = await prom
  console.log('Complete!')
  console.log('Image hash:', hash)
}

main()
  .then(() => process.exit(0))
  .catch(error => {
    console.error(error)
    process.exit(1)
  })

package.json

{
  "name": "photo-cred-app",
  "version": "0.0.1",
  "description": "Cryptographic signature of digital assets",
  "main": "index.js",
  "scripts": {
    "start": "node index.js",
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "val",
  "license": "MIT",
  "dependencies": {
    "image-hash": "^4.0.1"
  }
}