Add toJsonNative method which doesn't run the isDrawable

#91

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 1.1.3
+* Add ``toJsonNative`` method which doesn't run the ``isDrawable`` check #91
+
 ## 1.1.2
 * ⚠️ GroupId changed from ``com.xdev-software`` to ``software.xdev``
 

chartjs-java-model/src/main/java/software/xdev/chartjs/model/charts/AbstractChart.java

@@ -85,13 +85,8 @@ public T setOptions(final O options)
 	}
 
 	@Override
-	public String toJson()
+	public String toJsonNative()
 	{
-		if(!this.isDrawable())
-		{
-			throw new IllegalArgumentException("Chart is not drawable");
-		}
-
 		try
 		{
 			return this.objectWriter.writeValueAsString(this);

chartjs-java-model/src/main/java/software/xdev/chartjs/model/charts/Chart.java

@@ -37,7 +37,20 @@ public interface Chart<SELF, O extends Options<O, ?>, D extends Data<D, ?>>
 	 *
 	 * @return json representation of {@code this} {@link Chart}
 	 */
-	String toJson();
+	String toJsonNative();
+
+	/**
+	 * Same as {@link #toJsonNative()} but also check if the diagram {@link #isDrawable() is drawable}
+	 * @see #toJson()
+	 */
+	default String toJson()
+	{
+		if(!this.isDrawable())
+		{
+			throw new IllegalArgumentException("Chart is not drawable");
+		}
+		return this.toJsonNative();
+	}
 
 	/**
 	 * <p>