jackson polymorphic type information property not optional

Author: vojtechhabarta

typescript-generator-core/src/main/java/cz/habarta/typescript/generator/parser/Jackson1Parser.java

@@ -39,7 +39,7 @@ protected BeanModel parseBean(SourceType<Class<?>> sourceClass) {
 
         final JsonTypeInfo jsonTypeInfo = sourceClass.type.getAnnotation(JsonTypeInfo.class);
         if (jsonTypeInfo != null && jsonTypeInfo.include() == JsonTypeInfo.As.PROPERTY) {
-            properties.add(new PropertyModel(jsonTypeInfo.property(), String.class, true, null, null));
+            properties.add(new PropertyModel(jsonTypeInfo.property(), String.class, false, null, null));
         }
 
         final BeanHelper beanHelper = getBeanHelper(sourceClass.type);

typescript-generator-core/src/main/java/cz/habarta/typescript/generator/parser/Jackson2Parser.java

@@ -26,7 +26,7 @@ protected BeanModel parseBean(SourceType<Class<?>> sourceClass) {
 
         final JsonTypeInfo jsonTypeInfo = sourceClass.type.getAnnotation(JsonTypeInfo.class);
         if (jsonTypeInfo != null && jsonTypeInfo.include() == JsonTypeInfo.As.PROPERTY) {
-            properties.add(new PropertyModel(jsonTypeInfo.property(), String.class, true, null, null));
+            properties.add(new PropertyModel(jsonTypeInfo.property(), String.class, false, null, null));
         }
 
         final BeanHelper beanHelper = getBeanHelper(sourceClass.type);

typescript-generator-core/src/test/java/cz/habarta/typescript/generator/GenericsTest.java

@@ -105,7 +105,7 @@ public void testImplements() {
                 "}" + nl +
                 "" + nl +
                 "export interface IB<T> {" + nl +
-                "    type?: string;" + nl +
+                "    type: string;" + nl +
                 "    x: T;" + nl +
                 "}";
         assertEquals(expected, actual);

typescript-generator-core/src/test/java/cz/habarta/typescript/generator/TypeGuardsForJackson2PolymorphismExtensionTest.java

@@ -40,7 +40,7 @@ public void testInTypeScriptGenerator() {
         settings.addTypeNamePrefix = "Json";
         settings.extensions.add(new TypeGuardsForJackson2PolymorphismExtension());
         final String actual = new TypeScriptGenerator(settings).generateTypeScript(Input.from(Point.class));
-        Assert.assertTrue(actual.contains("type?: string;"));
+        Assert.assertTrue(actual.contains("type: string;"));
         Assert.assertTrue(actual.contains("function isJsonCartesianPoint(jsonPoint: JsonPoint): jsonPoint is JsonCartesianPoint {"));
     }