feat(msw): possible to overwrite value when creating an object with…

… `msw` mock (#1165)

* feat: possible to overwrite value when creating an `object` with `msw` mock

* chore: changed determination of orverridability

* chore: refactoring to make override var name common

packages/mock/src/faker/getters/object.ts

@@ -13,6 +13,8 @@ import { MockDefinition, MockSchemaObject } from '../../types';
 import { combineSchemasMock } from './combine';
 import { DEFAULT_OBJECT_KEY_MOCK } from '../constants';
 
+export const overrideVarName = 'overrideResponse';
+
 export const getMockObject = ({
   item,
   mockOptions,
@@ -77,7 +79,8 @@ export const getMockObject = ({
         : '';
     let imports: GeneratorImport[] = [];
     let includedProperties: string[] = [];
-    value += Object.entries(item.properties)
+
+    const properyScalars = Object.entries(item.properties)
       .sort((a, b) => {
         return a[0].localeCompare(b[0]);
       })
@@ -123,14 +126,18 @@ export const getMockObject = ({
 
         return `${keyDefinition}: ${resolvedValue.value}`;
       })
-      .filter(Boolean)
-      .join(', ');
+      .filter(Boolean);
+
+    properyScalars.push(`...${overrideVarName}`);
+
+    value += properyScalars.join(', ');
     value +=
       !combine ||
       combine?.separator === 'oneOf' ||
       combine?.separator === 'anyOf'
         ? '}'
         : '';
+
     return {
       value,
       imports,

packages/mock/src/msw/index.ts

@@ -7,7 +7,7 @@ import {
   isFunction,
   pascal,
 } from '@orval/core';
-import { getRouteMSW } from '../faker/getters';
+import { getRouteMSW, overrideVarName } from '../faker/getters';
 import { getMockDefinition, getMockOptionsDataOverride } from './mocks';
 import { getDelay } from '../delay';
 
@@ -72,6 +72,8 @@ export const generateMSW = (
     value = definitions[0];
   }
 
+  const isResponseOverridable = value.includes(overrideVarName);
+
   const isTextPlain = response.contentTypes.includes('text/plain');
 
   const functionName = `get${pascal(operationId)}Mock`;
@@ -102,7 +104,7 @@ export const ${handlerName} = http.${verb}('${route}', async () => {
     implementation: {
       function:
         value && value !== 'undefined'
-          ? `export const ${functionName} = () => (${value})\n\n`
+          ? `export const ${functionName} = (${isResponseOverridable ? `overrideResponse?: any` : ''}) => (${value})\n\n`
           : '',
       handlerName: handlerName,
       handler: handlerImplementation,