Post process mapped types

Author: john-98point6

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

@@ -5,7 +5,9 @@
 import java.util.Date;
 
 import io.swagger.codegen.v3.CliOption;
+import io.swagger.codegen.v3.CodegenConstants;
 import io.swagger.codegen.v3.CodegenModel;
+import io.swagger.codegen.v3.CodegenParameter;
 import io.swagger.codegen.v3.SupportingFile;
 import io.swagger.v3.oas.models.media.ArraySchema;
 import io.swagger.v3.oas.models.media.BinarySchema;
@@ -44,8 +46,6 @@ public TypeScriptFetchClientCodegen() {
         this.cliOptions.add(new CliOption(WITH_INTERFACES,
                 "Setting this property to true will generate interfaces next to the default class implementations.",
                 SchemaTypeUtil.BOOLEAN_TYPE).defaultValue(Boolean.FALSE.toString()));
-
-        typeMapping.remove("UUID");
     }
 
     @Override
@@ -146,6 +146,15 @@ private boolean isLanguageGenericType(String type) {
         return false;
     }
 
+    @Override
+    public void postProcessParameter(CodegenParameter parameter) {
+        super.postProcessParameter(parameter);
+
+        String type = applyLocalTypeMapping(parameter.dataType);
+        parameter.dataType = type;
+        parameter.getVendorExtensions().put(CodegenConstants.IS_PRIMITIVE_TYPE_EXT_NAME, isLanguagePrimitive(type));
+    }
+
     private void addNpmPackageGeneration() {
         if (additionalProperties.containsKey(NPM_NAME)) {
             this.setNpmName(additionalProperties.get(NPM_NAME).toString());

src/main/resources/handlebars/typescript-fetch/api.mustache

@@ -67,13 +67,6 @@ export class RequiredError extends Error {
     }
 }
 
-/**
- * Type aliases
- * @export
- * @type
- */
-export type UUID = string
-
 {{#models}}
 {{#model}}{{#isEnum}}{{>modelEnum}}{{/isEnum}}{{^isEnum}}{{>modelGeneric}}{{/isEnum}}{{/model}}
 {{/models}}