leenooks/resources/themes/adminlte/views/widget/form_select.blade.php

<div class="form-group">
	<label for="{{ $id }}">{{ $label }}</label>
	<div class="input-group has-validation">
		@empty($icon)
		@else
			<div class="input-group-prepend">
				<span class="input-group-text"><i class="fa-fw {{ $icon }}"></i></span>
			</div>
		@endempty()

		<select class="form-control @error($id) is-invalid @enderror" id="{{ $id }}" name="{{ $name ?? $id}}">
			@if(! isset($addvalues) || ! $addvalues)
				<option id="new"></option>
			@endif
			@empty($groupby)
				@foreach($options as $option)
					@empty(Arr::get($option,'value')) @continue @endempty
					<option value="{{ Arr::get($option,'id') }}" @if(Arr::get($option,'id') == old($old,$value))selected @endif>{{ Arr::get($option,'value') }}</option>
				@endforeach
			@else
				@foreach($options->groupBy($groupby) as $group)
					<optgroup label="{{ $groupby == 'active' ? (Arr::get($group->first(),$groupby) ? 'Active' : 'Not Active') : Arr::get($group->first(),$groupby) }}">
						@foreach($group as $option)
							@empty(Arr::get($option,'value')) @continue @endempty
							<option value="{{ Arr::get($option,'id') }}" @if(Arr::get($option,'id') == old($old,$value))selected @endif>{{ Arr::get($option,'value') }}</option>
						@endforeach
					</optgroup>
				@endforeach
			@endempty
		</select>

		<span class="invalid-feedback" role="alert">
			@error($id)
				{{ $message }}
			@enderror
		</span>
	</div>
</div>

@section('page-scripts')
	@css(select2)
	@js(select2,autofocus)

	<script type="text/javascript">
		$(document).ready(function() {
			$('#{{ $id }}').select2({
				dropdownAutoWidth: true,
				width: 'style',
				@isset($addvalues)
					tags: true,
					placeholder: '',
					allowClear: true,
				@endisset
			});
		});
	</script>
@append