我如何从我的 jQuery 块中引用 DirectUpload js class?

How can i reference the DirectUpload js class from my jQuery block?

我的布局有:

//= require activestorage

现在在我的 jQuery 中,我正在尝试引用 DirectUpload class:

  // Instantiate the DirectUploader object
  const upload = new DirectUpload(file, url)

直接上传class在这里: https://github.com/rails/rails/blob/b2eb1d1c55a59fee1e6c4cba7030d8ceb524267c/activestorage/app/javascript/activestorage/direct_upload.js

我目前收到此错误:

Uncaught ReferenceError: DirectUpload is not defined at new:210

您可以使用 ActiveStorage 命名空间引用 DirectUpload class。

例如,

new class ActiveStorage.DirectUpload(...)