chore: stricter static pages types

src/StaticPage.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace Distantmagic\Resonance;
 
 use Distantmagic\Resonance\InputValidatedData\FrontMatter;
+use RuntimeException;
 use Symfony\Component\Finder\SplFileInfo;
 
 readonly class StaticPage
@@ -25,12 +26,21 @@ readonly class StaticPage
         return mb_strtolower($this->frontMatter->title) <=> mb_strtolower($other->frontMatter->title);
     }
 
+    /**
+     * @return non-empty-string
+     */
     public function getBasename(): string
     {
         $relativePath = $this->file->getRelativePath();
 
         if (empty($relativePath)) {
-            return $this->file->getFilenameWithoutExtension();
+            $filename = $this->file->getFilenameWithoutExtension();
+
+            if (empty($filename)) {
+                throw new RuntimeException('Unable to determine filename');
+            }
+
+            return $filename;
         }
 
         return sprintf(
@@ -40,6 +50,9 @@ readonly class StaticPage
         );
     }
 
+    /**
+     * @return non-empty-string
+     */
     public function getHref(): string
     {
         if ('index' === $this->file->getFilenameWithoutExtension()) {
@@ -55,6 +68,9 @@ readonly class StaticPage
         return '/'.$this->getBasename().'.html';
     }
 
+    /**
+     * @return non-empty-string
+     */
     public function getOutputDirectory(): string
     {
         return sprintf(
@@ -64,6 +80,9 @@ readonly class StaticPage
         );
     }
 
+    /**
+     * @return non-empty-string
+     */
     public function getOutputPathname(): string
     {
         return sprintf(