Filament•2mo ago

Repeater - Safe Approach to Prepend Data

I can't seem to find a path with the Repeater component to safely add a new item to the start of the list. I have the two following approaches:

// Use internal Filament events to add the new item and move it to the start of the list
public function addFormItem() {
      $this->mountFormComponentAction('data.criteria', 'add');
      $ids = array_keys($this->data['criteria']);
      $newItemId = array_pop($ids);
      $ids = [$newItemId, ...$ids];
      $this->mountFormComponentAction('data.criteria', 'reorder', [
          'items' => $ids
      ]);
}

// Use internal Filament events to add the new item and move it to the start of the list
public function addFormItem() {
      $this->mountFormComponentAction('data.criteria', 'add');
      $ids = array_keys($this->data['criteria']);
      $newItemId = array_pop($ids);
      $ids = [$newItemId, ...$ids];
      $this->mountFormComponentAction('data.criteria', 'reorder', [
          'items' => $ids
      ]);
}

// Manually add to the state
public function addFormItem()
{
      $newItem = [str()->ulid()->toRfc4122() => ['new-repeater' => 'contents-here']];

      $this->data['criteria'] = $newItem + $this->data['criteria'];
}

// Manually add to the state
public function addFormItem()
{
      $newItem = [str()->ulid()->toRfc4122() => ['new-repeater' => 'contents-here']];

      $this->data['criteria'] = $newItem + $this->data['criteria'];
}

The new item shows up, but they seem to break repeater collapsing functionality. Is there a better way to handle this?

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Repeater - Safe Approach to Prepend Data