'use strict'
const { readFile } = require('@the-/util-client')

async function tryExample() {
  // Read file
  const { File } = window
  const file = new File([1, 2, 3], 'hoge')
  const arrayBuffer = await readFile(file)
  console.log(arrayBuffer)
  /* ... */
}

tryExample().catch((err) => console.error(err))