10 Directive de Laravel Blade pe care probabil nu le stii
Stefanescu Mihai 2 years ago iNoobBlade este template engine-ul din Laravel. Acest template engine iti usureaza mult viata de dezvoltator, dar majoritatea probabil nu ne folosim de foarte multe dintre feature-urile lui. In acest articol vreau sa fac o lista cu 10 dintre directivele pe foarte multi probabil nici nu le cunosc.
@forelse
In loc de count inainte de un foreach putem folos forelse astfel:
@if ($articles->count() > 0)
@foreach($articles as $article)
<a href="{{ route('article.show', $article->slug) }}">{{ $article->title }}</a>
@endforeach
@else
<p>no articles</p>
@endif
Va deveni:
@forelse($articles as $article)
<a href="{{ route('article.show', $article->slug) }}">{{ $article->title }}</a>
@empty
<p>no articles</p>
@endforelse
@each
In loc sa facem foreach si apoi sa includem un partial:
@foreach($articles as $article)
@include('articles.details', ['article' => $article])
@endforeach
Putem face:
@each('articles.details', $articles, 'article')
@json
In loc de json_encode cand pasam o variabla in javascript
<script>
var articles = {!! json_encode($articles) !!}
</script>
Putem face:
<script> var articles = @json($articles) </script>
@verbatim
<div class="container">
Salut, @{{ name }}
</div>
va deveni
@verbatim
<div class="container">
Salut, {{ name }}
</div>
@endverbatim
@isset si @empty
De multe ori suntem pusi in situatia de a folosi isset() si empty(), dar blade vine in ajutorul nostru cu 2 diretive foarte simple
@isset($articles) //e acelasi lucru cu @if(isset($articles)) @endisset
la fel si pentru empty
@empty($articles) //e acelasi lucru cu @if(empty($articles)) @endempty
@php
Putem folosi aceasta directiva pentru a scrie php in blade
@php $value = $item[1] + $item[2]; @endphp
@push si @stack
Folosite pentru a adauga js-uri in stack
//asta sta in master view
<body>
@stack('scripts')
</body>
// iar undeva intr-un child
@push('scripts')
<script src="/item.js"></script>
@endpush
@inject
Ne ajuta la injectarea unui anumit serviciu.
@inject('metrics', 'App\Services\MetricsService')
<div>
Total Vanzari: {{ $metrics->totalRevenue() }}
</div>
@includeWhen
In loc de a face un if sa vedem daca trebuie sa nu sa afisam un anumit partial putem folosi includeWhen
@if($userCanViewSection)
@include('components.section');
@endif
poate fi inlocuit cu
@includeWhen($userCanViewSection, 'components.section')
@hasSection
Verifica daca o sectiune este prezenta in subview
@hasSection('navigation')
<div class="pull-right">
@yield('navigation')
</div>
<div class="clearfix"></div>
@endif
Sper ca aceste directive de blade sa va fie folositoare! pentru orice sugestii puteti folosi sectiunea de comentarii de mai jos.
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