convert Null types in JSON schema to nullable attributes

Author: VitaliiBedletskyi

reverse_engineering/helpers/adaptJsonSchema/adaptJsonSchema.js

@@ -7,9 +7,30 @@ const convertToString = (jsonSchema) => {
 	});
 };
 
+const convertMultipleTypeToType = jsonSchema => {
+	const type = jsonSchema.type.find(item => item !== 'null');
+	
+	if (!type) {
+		return convertToString(jsonSchema);
+	} else if (!jsonSchema.type.includes('null')) {
+		return {
+			...jsonSchema,
+			type
+		}
+	} 
+
+	return {
+		...jsonSchema,
+		type,
+		nullable: true
+	}
+}
+
 const adaptJsonSchema = (jsonSchema) => {
 	return mapJsonSchema(jsonSchema, (jsonSchemaItem) => {
-		if (jsonSchemaItem.type !== 'null') {
+		if (Array.isArray(jsonSchemaItem.type)) {
+			return convertMultipleTypeToType(jsonSchemaItem);
+		} else if (jsonSchemaItem.type !== 'null') {
 			return jsonSchemaItem;
 		}