fix(mock): include import alias in binary type rewrite

Author: matsu3m

packages/mock/src/msw/index.test.ts

@@ -355,6 +355,38 @@ describe('generateMSW', () => {
       expect(result.implementation.function).not.toContain(': TestPdfFile');
     });
 
+    it('should rewrite aliased ref imports for $ref binary schemas', () => {
+      const aliasedVerbOptions = {
+        ...mockVerbOptions,
+        response: {
+          imports: [],
+          definition: { success: '__TestPdfFile' },
+          types: {
+            success: [
+              {
+                key: '200',
+                value: '__TestPdfFile',
+                contentType: '*/*',
+                originalSchema: { type: 'string', format: 'binary' },
+                imports: [{ name: 'TestPdfFile', alias: '__TestPdfFile' }],
+                schemas: [],
+                type: 'string',
+                isEnum: false,
+                isRef: true,
+                hasReadonlyProps: false,
+              },
+            ],
+          },
+          contentTypes: ['*/*'],
+        },
+      } as unknown as GeneratorVerbOptions;
+
+      const result = generateMSW(aliasedVerbOptions, baseOptions);
+
+      expect(result.implementation.function).toContain(': ArrayBuffer');
+      expect(result.implementation.function).not.toContain(': __TestPdfFile');
+    });
+
     it('should not force binary path when preferredContentType narrows to a non-binary success variant', () => {
       const mixedVerbOptions = {
         ...mockVerbOptions,

packages/mock/src/msw/index.ts

@@ -158,11 +158,14 @@ function generateDefinition(
   const isBinaryResponse =
     contentTypesByPreference.some((ct) => isBinaryLikeContentType(ct)) ||
     responsesByPreference.some((r) => isSchemaBinary(r));
-  // Bare ref names of schema-binary responses (from imports, which is the canonical place).
+  // Bare ref names of schema-binary responses (include alias for collision-renamed imports).
   const binaryRefNames = responsesByPreference
     .filter((r) => isSchemaBinary(r))
-    .flatMap((r) => r.imports.map((imp) => imp.name))
-    .filter(Boolean);
+    .flatMap((r) =>
+      r.imports.flatMap((imp) =>
+        imp.alias ? [imp.name, imp.alias] : [imp.name],
+      ),
+    );
   const isReturnHttpResponse = value && value !== 'undefined';
 
   const getResponseMockFunctionName = `${getResponseMockFunctionNameBase}${pascal(