Get base64 from URI

base64FromUrl.js

'use strict'

const fs = require('fs')  
const path = require('path')  
const axios = require('axios')
const url = 'YOUR_IMAGE_URL'

async function base64FromUrl(url) {
  const pathFile = path.resolve(__dirname, 'code.jpg')
  const writer = fs.createWriteStream(pathFile)

  const response = await axios({ url, method: 'GET', responseType: 'stream' })
  response.data.pipe(writer)

  return new Promise((resolve, reject) => {
    writer.on('finish', () => {
      resolve(fs.readFileSync(pathFile, 'base64'))
      fs.unlinkSync(pathFile)
    })
    writer.on('error', reject)
  })
}

async function imageencode() {
  const base64 = await base64FromUrl(url)
  console.log(base64)
}

imageencode()