freeze Hash

korny · korny · commit 261e1a8a400b · 2019-11-24T02:19:24.000+01:00
diff --git a/lib/coderay/scanners/java_script.rb b/lib/coderay/scanners/java_script.rb
@@ -46,7 +46,7 @@ class JavaScript < Scanner
       "'" => /[^\\']+/,
       '"' => /[^\\"]+/,
       '/' => %r{ (?: [^\\/\[]+ | \[ ([^\]\\]+ | \\.)* \]? )+ }mx,
-    }  # :nodoc:
+    }.freeze  # :nodoc:
     KEY_CHECK_PATTERN = {
       "'" => / (?> [^\\']* (?: \\. [^\\']* )* ) ' \s* : /mx,
       '"' => / (?> [^\\"]* (?: \\. [^\\"]* )* ) " \s* : /mx,
