Merge branch 'publications-feature' into refactor-the-MakePublication…

…Command-class

packages/framework/src/Framework/Actions/CreatesNewPublicationPage.php

@@ -14,6 +14,8 @@
 use Rgasch\Collection\Collection;
 use RuntimeException;
 
+use function str_starts_with;
+
 /**
  * Scaffold a publication file.
  *
@@ -29,7 +31,9 @@ public function __construct(
         protected ?OutputStyle $output = null,
     ) {
         $canonicalFieldName = $this->pubType->canonicalField;
-        $canonicalFieldDefinition = $this->pubType->getFields()->filter(fn (PublicationFieldType $field): bool => $field->name === $canonicalFieldName)->first() ?? throw new RuntimeException("Could not find field definition for '$canonicalFieldName' which is required for this type as it's the canonical field");
+        $canonicalFieldDefinition = $this->pubType->getFields()->filter(fn (PublicationFieldType $field): bool => $field->name === $canonicalFieldName)->first() ?? $this->handleMissingCanonicalField(
+            $canonicalFieldName
+        );
         $canonicalValue = $canonicalFieldDefinition->type !== 'array' ? $this->fieldData->{$canonicalFieldName} : $this->fieldData->{$canonicalFieldName}[0];
         $canonicalStr = Str::of($canonicalValue)->substr(0, 64);
 
@@ -72,4 +76,15 @@ protected function handleCreate(): void
 
         $this->save($output);
     }
+
+    protected function handleMissingCanonicalField(string $canonicalFieldName): string
+    {
+        if (str_starts_with($canonicalFieldName, '__')) {
+            return $canonicalFieldName;
+        }
+
+        return throw new RuntimeException(
+            "Could not find field definition for '$canonicalFieldName' which is required for this type as it's the canonical field"
+        );
+    }
 }