Specify multiple encoding Steps for a single file

<!-- This pulls Uppy from our CDN -->
<!-- For smaller self-hosted bundles, install Uppy and plugins manually: -->
<!-- npm i --save @uppy/core @uppy/dashboard @uppy/remote-sources @uppy/transloadit ... -->
<link
  href="https://releases.transloadit.com/uppy/v3.10.0/uppy.min.css"
  rel="stylesheet"
/>
<button id="browse">Select Files</button>
<script type="module">
  import {
    Uppy,
    Dashboard,
    ImageEditor,
    RemoteSources,
    Transloadit,
  } from 'https://releases.transloadit.com/uppy/v3.10.0/uppy.min.mjs'
  const uppy = new Uppy()
    .use(Transloadit, {
      waitForEncoding: true,
      alwaysRunAssembly: true,
      assemblyOptions: {
        params: {
          // It's often better store encoding instructions in your account
          // and use a `template_id` instead of adding these steps inline
          steps: {
            ':original': {
              robot: '/upload/handle',
            },
            ipad_encoded: {
              use: ':original',
              robot: '/video/encode',
              result: true,
              ffmpeg_stack: 'v7',
              preset: 'ipad-high',
              turbo: true,
            },
            iphone_encoded: {
              use: ':original',
              robot: '/video/encode',
              result: true,
              ffmpeg_stack: 'v7',
              preset: 'iphone',
              turbo: true,
            },
            thumbnailed: {
              use: ':original',
              robot: '/video/thumbs',
              result: true,
              ffmpeg_stack: 'v7',
            },
            thumbs_resized: {
              use: 'thumbnailed',
              robot: '/image/resize',
              result: true,
              height: 130,
              width: 130,
            },
            exported: {
              use: [':original', 'ipad_encoded', 'iphone_encoded', 'thumbs_resized'],
              robot: '/s3/store',
              credentials: 'demo_s3_credentials',
              url_prefix: 'https://demos.transloadit.com/',
            },
          },
        },
      },
    })
    .use(Dashboard, { trigger: '#browse' })
    .use(ImageEditor, { target: Dashboard })
    .use(RemoteSources, {
      companionUrl: 'https://api2.transloadit.com/companion',
    })
    .on('complete', ({ transloadit }) => {
      // Due to `waitForEncoding:true` this is fired after encoding is done.
      // Alternatively, set `waitForEncoding` to `false` and provide a `notify_url`
      console.log(transloadit) // Array of Assembly Statuses
      for (const assembly of transloadit) {
        console.log(assembly.results) // Array of all encoding results
      }
    })
    .on('error', (error) => {
      console.error(error)
    })
</script>