Qiitaに複数画像を同時にアップロード

const image_urls = [
  'https://cors1.deno.dev/https://cdn.qiita.com/assets/public/image-qiitan_for_login_modal-014e085d3e40a240e3fe8d61b70b29a9.png',
  'https://cors1.deno.dev/https://blog.qiita.com/wp-content/uploads/2023/05/45e8009e-2099-0308-3579-5bfe6fcd61d9.png',
  'https://cors1.deno.dev/https://cdn.qiita.com/assets/public/push_notification/image-qiitan-572179a3bbde375850422ea48b2b6272.png',
]
const sleep = msec => new Promise(resolve => setTimeout(resolve, msec));

for await (const url of image_urls) {
  const temp1 = await fetch(url).then(r=>r.blob())
  const file = new File([temp1], Date.now() + '.png', {type: 'image/png'})

  const dataTransfer = new DataTransfer()
  dataTransfer.items.add(file)

  const pasteEvent = new ClipboardEvent('paste', {
    bubbles: true,
    cancelable: true,
    clipboardData: dataTransfer,
  })
  document.querySelector('.cm-content').dispatchEvent(pasteEvent)
  await sleep(500)
}

// TODO: によるアップロード実装