lib/link_thumbnailer/model.rb in link_thumbnailer-3.3.1 vs lib/link_thumbnailer/model.rb in link_thumbnailer-3.3.2

@@ -1,17 +1,20 @@
-module LinkThumbnailer
-  class Model
-
-    def to_json(*args)
-      as_json.to_json(*args)
-    end
-
-    private
-
-    def sanitize(str)
-      return unless str
-
-      str.encode!("UTF-16", "UTF-8", invalid: :replace, undef: :replace, replace: "")
-      str.encode!("UTF-8", "UTF-16").strip.gsub(/[\r\n\f]+/, "\n")
-    end
-  end
-end
+# frozen_string_literal: true
+
+module LinkThumbnailer
+  class Model
+
+    def to_json(*args)
+      as_json.to_json(*args)
+    end
+
+    private
+
+    def sanitize(str)
+      return unless str
+
+      str = str.dup
+      str.encode!("UTF-16", "UTF-8", invalid: :replace, undef: :replace, replace: "")
+      str.encode!("UTF-8", "UTF-16").strip.gsub(/[\r\n\f]+/, "\n")
+    end
+  end
+end