4.x throw exception if relationship is not found

packages/forms/resources/js/components/file-upload.js

@@ -247,7 +247,7 @@ export default function fileUploadFormComponent({
                     .map((file) =>
                         file.source instanceof File
                             ? file.serverId
-                            : this.uploadedFileIndex[file.source] ?? null,
+                            : (this.uploadedFileIndex[file.source] ?? null),
                     ) // file.serverId is null for a file that is not yet uploaded
                     .filter((fileKey) => fileKey)
 

packages/forms/src/Components/Select.php

@@ -1157,15 +1157,17 @@ public function getLabel(): string | Htmlable | null
 
     public function getRelationship(): BelongsTo | BelongsToMany | HasOneOrMany | HasManyThrough | BelongsToThrough | null
     {
-        if (blank($this->getRelationshipName())) {
+        if (! $this->hasRelationship()) {
             return null;
         }
 
         $record = $this->getModelInstance();
 
         $relationship = null;
 
-        foreach (explode('.', $this->getRelationshipName()) as $nestedRelationshipName) {
+        $relationshipName = $this->getRelationshipName();
+
+        foreach (explode('.', $relationshipName) as $nestedRelationshipName) {
             if (! $record->isRelation($nestedRelationshipName)) {
                 $relationship = null;
 
@@ -1176,6 +1178,10 @@ public function getRelationship(): BelongsTo | BelongsToMany | HasOneOrMany | Ha
             $record = $relationship->getRelated();
         }
 
+        if (! $relationship) {
+            throw new Exception("The relationship [{$relationshipName}] does not exist on the model [{$this->getModel()}].");
+        }
+
         return $relationship;
     }
 

packages/panels/resources/views/components/unsaved-action-changes-alert.blade.php

@@ -7,7 +7,7 @@
                 }
 
                 if (
-                    (@js($this instanceof \Filament\Actions\Contracts\HasActions) ? $wire.mountedActions?.length ?? 0 : 0) &&
+                    (@js($this instanceof \Filament\Actions\Contracts\HasActions) ? ($wire.mountedActions?.length ?? 0) : 0) &&
                     !$wire?.__instance?.effects?.redirect
                 ) {
                     event.preventDefault()

packages/tables/src/Filters/Concerns/HasRelationship.php

@@ -3,6 +3,7 @@
 namespace Filament\Tables\Filters\Concerns;
 
 use Closure;
+use Exception;
 use Filament\Support\Services\RelationshipJoiner;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
@@ -49,11 +50,15 @@ public function queriesRelationships(): bool
 
     public function getRelationship(): Relation | Builder
     {
-        $record = app($this->getTable()->getModel());
+        $model = $this->getTable()->getModel();
+
+        $record = app($model);
 
         $relationship = null;
 
-        foreach (explode('.', $this->getRelationshipName()) as $nestedRelationshipName) {
+        $relationshipName = $this->getRelationshipName();
+
+        foreach (explode('.', $relationshipName) as $nestedRelationshipName) {
             if (! $record->isRelation($nestedRelationshipName)) {
                 $relationship = null;
 
@@ -64,6 +69,10 @@ public function getRelationship(): Relation | Builder
             $record = $relationship->getRelated();
         }
 
+        if (! $relationship) {
+            throw new Exception("The relationship [{$relationshipName}] does not exist on the model [{$model}].");
+        }
+
         return $relationship;
     }
 

packages/tables/src/Filters/SelectFilter.php

@@ -216,7 +216,7 @@ public function multiple(bool | Closure $condition = true): static
     }
 
     /**
-     * @param bool | array<string> | Closure $condition
+     * @param  bool | array<string> | Closure  $condition
      */
     public function searchable(bool | array | Closure $condition = true): static
     {