ytdl-web/app/views/index.html

<h1 class="text-center">YTDL Web</h1>
<p class="text-center mb-5">
  Download videos from over a thousand websites with the help of
  <a href="https://github.com/yt-dlp/yt-dlp">yt-dlp</a>, a fork of youtube-dl
  with more features and fixes.
  <br />
  View a complete list of supported websites
  <a href="https://github.com/yt-dlp/yt-dlp/blob/master/supportedsites.md">here</a>.
</p>

<form hx-get="{{.BasePath}}/download" hx-trigger="submit" hx-target="#main-content" hx-swap="innerHTML">
  <div class="mb-3">
    <label for="url" class="form-label visually-hidden">Url</label>
    <div class="input-group">
      <input type="url" name="url" id="url" class="form-control" required
        placeholder="Enter url here then click download" />
      {{if .IsSecure}}
      <button id="paste-button" class="btn btn-outline-secondary" type="button" title="Paste">
        <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor"
          style="width: 1.5rem; height: 1.5rem">
          <path stroke-linecap="round" stroke-linejoin="round"
            d="M15.666 3.888A2.25 2.25 0 0013.5 2.25h-3c-1.03 0-1.9.693-2.166 1.638m7.332 0c.055.194.084.4.084.612v0a.75.75 0 01-.75.75H9a.75.75 0 01-.75-.75v0c0-.212.03-.418.084-.612m7.332 0c.646.049 1.288.11 1.927.184 1.1.128 1.907 1.077 1.907 2.185V19.5a2.25 2.25 0 01-2.25 2.25H6.75A2.25 2.25 0 014.5 19.5V6.257c0-1.108.806-2.057 1.907-2.185a48.208 48.208 0 011.927-.184" />
        </svg>
      </button>
      {{end}}
    </div>
  </div>
  <div class="d-grid">
    <button type="submit" class="btn btn-primary">
      Download
      <div class="spinner-border spinner-border-sm htmx-indicator ms-1" role="status">
        <span class="visually-hidden">Loading...</span>
      </div>
    </button>
  </div>
</form>

{{if .Error}}
<div class="alert alert-danger mt-4" role="alert">
  <span>{{.Error.Message}}</span>

  {{if .Error.RetryUrl}}
  <button class="btn btn-link btn-sm pt-0 lh-base text-decoration-none" hx-get="/download" hx-trigger="click"
    hx-target="#main-content" hx-swap="innerHTML" hx-vals='{"url": "{{.Error.RetryUrl}}"}'>
    <span class="text-decoration-underline">Try Again</span>
    <div class="spinner-border spinner-border-sm htmx-indicator ms-1" role="status">
      <span class="visually-hidden">Loading...</span>
    </div>
  </button>
  {{end}}
</div>
{{end}}