Add support for checking if a language is supported.

tempestphp · Apr 1, 2024 · cce3d57 · cce3d57
1 parent aadba2e
commit cce3d57
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Showing 2 changed files with 17 additions and 0 deletions.
diff --git a/src/Highlighter.php b/src/Highlighter.php
@@ -52,6 +52,11 @@ public function __construct(
         }
     }
 
+    public function isSupportedLanguage(string $language): bool
+    {
+        return array_key_exists(strtolower($language), $this->languages);
+    }
+
     public function setLanguage(string $name, Language $language): self
     {
         $this->languages[$name] = $language;

diff --git a/tests/HighlighterTest.php b/tests/HighlighterTest.php
@@ -41,4 +41,16 @@ public static function data(): array
             ['02', 'html'], // deep injections
         ];
     }
+
+    public function test_is_supported_language(): void
+    {
+        $highlight = new Highlighter();
+
+        self::assertTrue($highlight->isSupportedLanguage('php'));
+        self::assertTrue($highlight->isSupportedLanguage('PHP'));
+        self::assertTrue($highlight->isSupportedLanguage('Php'));
+
+        self::assertFalse($highlight->isSupportedLanguage('DoesNotExist'));
+        self::assertFalse($highlight->isSupportedLanguage('DOESNOTEXIST'));
+    }
 }