updated html and typescript schema handler classes.

Author: HugoMario

src/main/java/io/swagger/codegen/v3/generators/html/HtmlSchemaHandler.java

@@ -5,16 +5,20 @@
 import io.swagger.codegen.v3.CodegenModelType;
 import io.swagger.codegen.v3.generators.DefaultCodegenConfig;
 import io.swagger.codegen.v3.generators.SchemaHandler;
+import io.swagger.v3.oas.models.media.ArraySchema;
+import io.swagger.v3.oas.models.media.ComposedSchema;
+import io.swagger.v3.oas.models.media.Schema;
+
+import java.util.Map;
 
 public class HtmlSchemaHandler extends SchemaHandler {
 
     public HtmlSchemaHandler(DefaultCodegenConfig codegenConfig) {
         super(codegenConfig);
     }
 
-    protected CodegenModel createComposedModel(String name) {
-        final CodegenModel composedModel = CodegenModelFactory.newInstance(CodegenModelType.MODEL);
-        this.configureModel(composedModel, name);
-        return composedModel;
+    @Override
+    public void processComposedSchemas(CodegenModel codegenModel, Schema schema, Map<String, CodegenModel> allModels) {
+        // no ops for html generator
     }
 }

src/main/java/io/swagger/codegen/v3/generators/typescript/TypeScriptSchemaHandler.java

@@ -1,7 +1,13 @@
 package io.swagger.codegen.v3.generators.typescript;
 
+import io.swagger.codegen.v3.CodegenConstants;
+import io.swagger.codegen.v3.CodegenModel;
 import io.swagger.codegen.v3.generators.DefaultCodegenConfig;
 import io.swagger.codegen.v3.generators.SchemaHandler;
+import io.swagger.v3.oas.models.media.ComposedSchema;
+import io.swagger.v3.oas.models.media.Schema;
+
+import java.util.Map;
 
 public class TypeScriptSchemaHandler extends SchemaHandler {
 
@@ -11,4 +17,18 @@ public TypeScriptSchemaHandler(DefaultCodegenConfig codegenConfig) {
         super(codegenConfig);
         this.codegenConfig = (AbstractTypeScriptClientCodegen) codegenConfig;
     }
+
+    public void processComposedSchemas(CodegenModel codegenModel, Schema schema, Map<String, CodegenModel> allModels) {
+        if (!(schema instanceof ComposedSchema)) {
+            return;
+        }
+        final ComposedSchema composedSchema = (ComposedSchema) schema;
+        final boolean isAlias = composedSchema.getOneOf() != null && !composedSchema.getOneOf().isEmpty()
+            || composedSchema.getAnyOf() != null && !composedSchema.getAnyOf().isEmpty();
+
+        if (isAlias) {
+            codegenModel.getVendorExtensions().put(CodegenConstants.IS_ALIAS_EXT_NAME, Boolean.TRUE);
+            this.codegenConfig.addImport(codegenModel, codegenModel.dataType);
+        }
+    }
 }