store a 25 mb image in base64 with random-access-idb

random-access-idb-25mb-test.js

var test = require('tape')
var random = require('../')('testing-' + Math.random(), { size: 1000000 })

var url = 'https://images.pexels.com/photos/936722/pexels-photo-936722.jpeg'

const fetchAsBlob = url => fetch(url)
  .then(response => response.blob())

const convertBlobToBase64 = blob => new Promise((resolve, reject) => {
  const reader = new FileReader()
  reader.onerror = reject
  reader.onload = () => {
      resolve(reader.result)
  }
  reader.readAsDataURL(blob)
})

test('image', function (t) {
  t.plan(1)
  var cool = random('cool.txt')
  fetchAsBlob(url)
    .then(convertBlobToBase64)
    .then((b64) => {
      const buf = Buffer.from(b64)
      console.log(b64.length)
      console.log('buffered')
      cool.write(32, Buffer.from(b64), function (err) {
        t.ifError(err)
        t.end()
      })
    })
})