Added JsonContainer::prettyPrintTo()

srcs/Internals/CompactJsonWriter.h

@@ -0,0 +1,43 @@
+#pragma once
+
+#include "../Internals/JsonWriter.h"
+
+class CompactJsonWriter : public JsonWriter
+{
+public:
+    explicit CompactJsonWriter(Print& sink)
+        : JsonWriter(sink)
+    {
+    }
+
+    virtual void beginArray()
+    {
+        _length += _sink.write('[');
+    }
+
+    virtual void endArray()
+    {
+        _length += _sink.write(']');
+    }
+
+    virtual void writeColon()
+    {
+        _length += _sink.write(':');
+    }
+
+    virtual void writeComma()
+    {
+        _length += _sink.write(',');
+    }
+
+    virtual void beginObject()
+    {
+        _length += _sink.write('{');
+    }
+
+    virtual void endObject()
+    {
+        _length += _sink.write('}');
+    }
+};
+