Fix data table template when no grid is attached to the index operation

app/Entity/Book.php

@@ -36,6 +36,10 @@
         new Create(),
         new Update(),
         new Index(grid: BookGrid::class),
+        new Index(
+            template: '@SyliusAdminUi/crud/index.html.twig',
+            shortName: 'withoutGrid',
+        ),
         new Delete(),
         new BulkDelete(),
         new Show(),

composer.json

@@ -49,6 +49,7 @@
         "phpstan/phpstan": "^1.10",
         "phpstan/phpstan-symfony": "^1.3",
         "phpunit/phpunit": "^9.6",
+        "slevomat/coding-standard": "<8.23",
         "sylius-labs/coding-standard": "^4.0",
         "symfony/browser-kit": "^6.4 || ^7.0",
         "symfony/console": "^6.4 || ^7.0",

src/BootstrapAdminUi/templates/shared/crud/index/content/grid/data_table.html.twig

@@ -2,8 +2,8 @@
 {% import '@SyliusBootstrapAdminUi/shared/helper/pagination.html.twig' as pagination %}
 
 {% set resources = hookable_metadata.context.resources %}
-{% set data = resources.data %}
-{% set definition = resources.definition %}
+{% set data = resources.data|default([]) %}
+{% set definition = resources.definition|default(null) %}
 
 {% if data|length > 0 %}
     <div class="card">

src/BootstrapAdminUi/templates/shared/crud/index/content/grid/filters.html.twig

@@ -6,7 +6,7 @@
 {% set path = path(app.request.attributes.get('_route'), app.request.attributes.all('_route_params')) %}
 {% set are_criteria_set = app.request.query.has('criteria') %}
 
-{% if resources.definition.enabledFilters is not empty %}
+{% if resources.definition.enabledFilters|default([]) is not empty %}
     <div class="position-relative z-1 bg-white mb-5">
         {% set content %}
             <div class="mb-3">

src/BootstrapAdminUi/templates/shared/crud/index/content/grid/no_results.html.twig

@@ -1,6 +1,6 @@
 {% set resources = hookable_metadata.context.resources %}
 
-{% if resources.data|length == 0 %}
+{% if resources.data is defined and resources.data|length == 0 %}
     <div class="card">
         <div class="empty">
             {% hook 'no_results' %}