Json: Add serializer fast-path for string values

Passing these through the generic JsonValue path was causing us to
instantiate temporary JsonValues that incurred a heap allocation.
This avoids that by adding specialized overloads for string types.

1 files changed, 24 insertions, 0 deletions

diff --git a/AK/JsonArraySerializer.h b/AK/JsonArraySerializer.h
index 46bbd14ac5..3205ba2a73 100644
--- a/AK/JsonArraySerializer.h
+++ b/AK/JsonArraySerializer.h
@@ -31,6 +31,30 @@ public:
         value.serialize(m_builder);
     }
 
+    void add(const StringView& value)
+    {
+        begin_item();
+        m_builder.append('"');
+        m_builder.append(value);
+        m_builder.append('"');
+    }
+
+    void add(const String& value)
+    {
+        begin_item();
+        m_builder.append('"');
+        m_builder.append(value);
+        m_builder.append('"');
+    }
+
+    void add(const char* value)
+    {
+        begin_item();
+        m_builder.append('"');
+        m_builder.append(value);
+        m_builder.append('"');
+    }
+
     JsonArraySerializer<Builder> add_array()
     {
         begin_item();