allow table column classes to be callable

app/app/Http/Controllers/TableController.php

@@ -18,12 +18,17 @@ public function as(bool $spladeQueryBuilder = false)
         $resource = $spladeQueryBuilder ? $query : $query->paginate(10);
 
         $table = SpladeTable::for($resource)
-            ->column('name')
-            ->column('email', as: function ($email, $user) {
-                if ($email === $user->email) {
-                    return strrev($email);
-                }
-            });
+            ->column('name', classes: 'font-bold')
+            ->column(
+                'email',
+                classes: function ($data = null, $item = null) {
+                    return $data ? 'font-bold' : 'italic';
+                },
+                as: function ($email, $user) {
+                    if ($email === $user->email) {
+                        return strrev($email);
+                    }
+                });
 
         if ($spladeQueryBuilder) {
             $table->paginate(10);

resources/views/table/body.blade.php

@@ -29,7 +29,15 @@ class="rounded border-gray-300 text-indigo-600 shadow-sm focus:border-indigo-300
                         @click="(event) => table.visit(@js($table->rowLinks->get($itemKey)), @js($table->rowLinkType), event)"
                     @endif
                     v-show="table.columnIsVisible(@js($column->key))"
-                    class="whitespace-nowrap text-sm @if($loop->first && $hasBulkActions) pr-6 @else px-6 @endif py-4 @if($column->highlight) text-gray-900 font-medium @else text-gray-500 @endif @if($table->rowLinks->has($itemKey)) cursor-pointer @endif {{ $column->classes }}"
+                    @class([
+                        'whitespace-nowrap text-sm py-4' => true,
+                        $column->resolveClasses($item) => true,
+                        'pr-6' => $loop->first && $hasBulkActions,
+                        'px-6' => !($loop->first && $hasBulkActions),
+                        'text-gray-900 font-medium' => $column->highlight,
+                        'text-gray-500' => !$column->highlight,
+                        'cursor-pointer' => $table->rowLinks->has($itemKey),
+                    ])
                 >
                     <div class="flex flex-row items-center @if($column->alignment == 'right') justify-end @elseif($column->alignment == 'center') justify-center @else justify-start @endif">
                         @isset(${'spladeTableCell' . $column->keyHash()})

resources/views/table/head.blade.php

@@ -9,7 +9,7 @@
         @foreach($table->columns() as $column)
             <th
                 v-show="table.columnIsVisible(@js($column->key))"
-                class="@if($loop->first && $hasBulkActions) pr-6 @else px-6 @endif py-3 text-left text-xs font-medium tracking-wide text-gray-500 {{ $column->classes }}"
+                class="@if($loop->first && $hasBulkActions) pr-6 @else px-6 @endif py-3 text-left text-xs font-medium tracking-wide text-gray-500 {{ $column->resolveClasses() }}"
             >
                 @if($column->sortable)
                     <a @click.exact.prevent="table.navigate(@js($sortByUrl = $sortBy($column)))" dusk="sort-{{ $column->key }}" href="{{ $sortByUrl }}">

src/Table/Column.php

@@ -27,15 +27,17 @@ public function __construct(
         public bool|Closure $exportAs,
         public Closure|string|null $exportFormat = null,
         public Closure|array|null $exportStyling = null,
-        public array|string|null $classes = null,
+        public Closure|array|string|null $classes = null,
         public ?Closure $as = null,
         public string $alignment = 'left',
     ) {
-        if (is_array($classes)) {
-            $classes = Arr::flatten($classes);
-        }
+        if (!is_callable($classes)) {
+            if (is_array($classes)) {
+                $classes = Arr::flatten($classes);
+            }
 
-        $this->classes = Arr::toCssClasses($classes);
+            $this->classes = Arr::toCssClasses($classes);
+        }
     }
 
     /**
@@ -79,6 +81,28 @@ public function toArray()
         ];
     }
 
+    /**
+     * Resolve the column classes for the given item.
+     */
+    public function resolveClasses(mixed $item = null): string
+    {
+        if (is_callable($this->classes)) {
+            $classes = call_user_func(
+                $this->classes,
+                $item ? $this->getDataFromItem($item) : null,
+                $item,
+            ) ?? '';
+
+            if (is_array($classes)) {
+                $classes = Arr::flatten($classes);
+            }
+
+            return Arr::toCssClasses($classes);
+        }
+
+        return $this->classes;
+    }
+
     /**
      * It gets thet data from the given item, based on the column
      * and whether that column is based on a relationship

src/Table/HasColumns.php

@@ -54,7 +54,7 @@ public function column(
         bool|callable $exportAs = true,
         callable|string|null $exportFormat = null,
         callable|array|null $exportStyling = null,
-        array|string|null $classes = null,
+        callable|array|string|null $classes = null,
         ?callable $as = null,
         string $alignment = 'left',
     ): self {