Forms\Components\Tabs\Tab::make('Input')
    ->statePath('input')
    ->schema([
        Forms\Components\Select::make('type')
            ->options(InputTypes::listOptions())
            ->required()
            ->live()
            ->afterStateUpdated(function ($state) {
                if ($state) {
                    $types = InputTypes::list();
                    $type_class = $types[$state];
                    self::$input_type_class = $type_class;
                }
            }),
        ... self::getInputSettingsFieldsets(), // instead of the code above
    ]),



public static function getInputSettingsFieldsets(): array
{
    $forms = [];
    $input_types = InputTypes::list();

    foreach ($input_types as $id => $input_type_class) {
        $forms[] = Forms\Components\Fieldset::make('input_settings')
            ->label(__('Settings'))
            ->statePath('settings')
            ->visible(function (Get $get) use ($id) {
                if ($get('type') == $id) {
                    return true;
                } else {
                    return false;
                }
            })
            ->schema(function () use ($input_type_class) {
                return $input_type_class::settingsForm() ?? [];
            });
    }

    return $forms;
}

Forms\Components\Tabs\Tab::make('Input')
    ->statePath('input')
    ->schema([
        Forms\Components\Select::make('type')
            ->options(InputTypes::listOptions())
            ->required()
            ->live()
            ->afterStateUpdated(function ($state) {
                if ($state) {
                    $types = InputTypes::list();
                    $type_class = $types[$state];
                    self::$input_type_class = $type_class;
                }
            }),
        ... self::getInputSettingsFieldsets(), // instead of the code above
    ]),



public static function getInputSettingsFieldsets(): array
{
    $forms = [];
    $input_types = InputTypes::list();

    foreach ($input_types as $id => $input_type_class) {
        $forms[] = Forms\Components\Fieldset::make('input_settings')
            ->label(__('Settings'))
            ->statePath('settings')
            ->visible(function (Get $get) use ($id) {
                if ($get('type') == $id) {
                    return true;
                } else {
                    return false;
                }
            })
            ->schema(function () use ($input_type_class) {
                return $input_type_class::settingsForm() ?? [];
            });
    }

    return $forms;
}