rendu/playground/todos.html at main · h3js/rendu · GitHub

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<script server>
  const start = performance.now();
  $RESPONSE.headers.set('x-Powered-By', 'rendu');
  $GLOBALS.todos = $GLOBALS.todos || [];
  if ($METHOD === 'POST') {
    const formData = await $REQUEST.formData();
    const action = formData.get('_action');
    if (action === 'create') {
      const text = formData.get('text')?.toString().trim();
      if (text) {
        $GLOBALS.todos.push({ id: crypto.randomUUID(), text: text, done: false });
      }
    } else if (action === 'toggle') {
      const id = formData.get('id')?.toString().trim();
      const done = formData.get('done') === '1';
      const todo = $GLOBALS.todos.find((t) => t.id === id);
      if (todo) {
        todo.done = !todo.done;
      }
    } else if (action === 'delete') {
      const id = formData.get('id')?.toString().trim();
      $GLOBALS.todos = $GLOBALS.todos.filter((t) => t.id !== id);
    }

    return Response.redirect($URL.origin + $URL.pathname, 303);
  }
</script>
<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <title>Todos</title>
    <link
      href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css"
      rel="stylesheet"
    />
  </head>
  <body class="bg-light d-flex justify-content-center align-items-center vh-100">
    <div class="card shadow p-4" style="width: 24rem">
      <h1 class="h4 mb-3 text-center">Todos</h1>

      <!-- Add new todo -->
      <form method="POST" action="#" class="mb-3">
        <input type="hidden" name="_action" value="create" />
        <div class="input-group">
          <input
            type="text"
            name="text"
            class="form-control"
            placeholder="New task…"
            required
            maxlength="200"
            autofocus
          />
          <button class="btn btn-primary" type="submit">Add</button>
        </div>
      </form>

      <!-- List -->
      <ul class="list-group mb-3">
        <? if ($GLOBALS.todos.length === 0) { ?>
        <li class="list-group-item text-muted text-center">No tasks yet.</li>
        <? } ?> <? for (const t of $GLOBALS.todos) { ?>
        <li class="list-group-item d-flex align-items-center justify-content-between">
          <div class="me-2 flex-grow-1">
            <span class="{{ t.done ? 'text-decoration-line-through text-muted' : '' }}">
              {{ t.text }}
            </span>
          </div>
          <div class="d-flex gap-1">
            <!-- Mark done / undo -->
            <form method="POST" action="#">
              <input type="hidden" name="_action" value="toggle" />
              <input type="hidden" name="id" value="{{ t.id }}" />
              <button
                class="btn btn-sm {{ t.done ? 'btn-outline-secondary' : 'btn-outline-success' }}"
                type="submit"
              >
                {{ t.done ? 'Undo' : 'Done' }}
              </button>
            </form>

            <!-- Delete -->
            <form method="POST" action="#">
              <input type="hidden" name="_action" value="delete" />
              <input type="hidden" name="id" value="{{ t.id }}" />
              <button class="btn btn-sm btn-outline-danger" type="submit" aria-label="Delete">
                ✕
              </button>
            </form>
          </div>
        </li>
        <? } ?>
      </ul>
    </div>
  </body>
</html>