Fix codegen for projects in hidden folders

packages/react-native/scripts/codegen/__tests__/generate-artifacts-executor-test.js

@@ -407,3 +407,103 @@ describe('delete empty files and folders', () => {
     ]);
   });
 });
+
+describe('findFilesWithExtension', () => {
+  beforeEach(() => {
+    jest.resetModules();
+  });
+
+  it('skips hidden files and folders', () => {
+    const targetFolder = '/project/ios';
+
+    jest.mock('fs', () => ({
+      readdirSync: dirPath => {
+        if (dirPath === targetFolder) {
+          return ['.hidden', '.git', 'visible.mm'];
+        }
+        return [];
+      },
+      existsSync: () => true,
+      statSync: () => ({
+        isDirectory: () => false,
+      }),
+      readFileSync: () => packageJson,
+    }));
+
+    const {
+      findFilesWithExtension: findFiles,
+    } = require('../generate-artifacts-executor/generateRCTThirdPartyComponents');
+
+    const result = findFiles(targetFolder, '.mm');
+    expect(result).toEqual([path.join(targetFolder, 'visible.mm')]);
+  });
+
+  it('allows .pnpm folder', () => {
+    const targetFolder = '/project/node_modules';
+    const pnpmFolder = path.join(targetFolder, '.pnpm');
+    const packageFolder = path.join(pnpmFolder, 'some-package');
+
+    jest.mock('fs', () => ({
+      readdirSync: dirPath => {
+        if (dirPath === targetFolder) {
+          return ['.pnpm', '.hidden'];
+        }
+        if (dirPath === pnpmFolder) {
+          return ['some-package'];
+        }
+        if (dirPath === packageFolder) {
+          return ['Component.mm'];
+        }
+        return [];
+      },
+      existsSync: () => true,
+      statSync: filePath => ({
+        isDirectory: () =>
+          filePath === pnpmFolder ||
+          filePath === packageFolder ||
+          filePath === path.join(targetFolder, '.hidden'),
+      }),
+      readFileSync: () => packageJson,
+    }));
+
+    const {
+      findFilesWithExtension: findFiles,
+    } = require('../generate-artifacts-executor/generateRCTThirdPartyComponents');
+
+    const result = findFiles(targetFolder, '.mm');
+    expect(result).toEqual([path.join(packageFolder, 'Component.mm')]);
+  });
+
+  it('works when project is under a hidden folder', () => {
+    // This test verifies the fix for projects under hidden folders
+    // like ~/.jenkins/workspace/ or /.hidden-ci/builds/
+    const targetFolder = '/.jenkins/workspace/my-project/ios';
+
+    jest.mock('fs', () => ({
+      readdirSync: dirPath => {
+        if (dirPath === targetFolder) {
+          return ['Components'];
+        }
+        if (dirPath === path.join(targetFolder, 'Components')) {
+          return ['MyComponent.mm'];
+        }
+        return [];
+      },
+      existsSync: () => true,
+      statSync: filePath => ({
+        isDirectory: () => filePath === path.join(targetFolder, 'Components'),
+      }),
+      readFileSync: () => packageJson,
+    }));
+
+    const {
+      findFilesWithExtension: findFiles,
+    } = require('../generate-artifacts-executor/generateRCTThirdPartyComponents');
+
+    const result = findFiles(targetFolder, '.mm');
+    // Should find the file even though the absolute path contains /.jenkins/
+    expect(result).toEqual([
+      path.join(targetFolder, 'Components', 'MyComponent.mm'),
+    ]);
+  });
+});

packages/react-native/scripts/codegen/generate-artifacts-executor/generateRCTThirdPartyComponents.js

@@ -169,11 +169,10 @@ function findFilesWithExtension(
       return null;
     }
 
-    // Skip hidden folders, that starts with `.` but allow `.pnpm`
-    if (
-      absolutePath.includes(`${path.sep}.`) &&
-      !absolutePath.includes(`${path.sep}.pnpm`)
-    ) {
+    // Skip hidden files/folders (starting with `.`) but allow `.pnpm`
+    // Note: Only check the filename, not the entire path, to avoid false positives
+    // when the workspace itself is under a hidden folder (e.g., ~/.jenkins/)
+    if (file.startsWith('.') && file !== '.pnpm') {
       return null;
     }
 
@@ -226,5 +225,6 @@ function findRCTComponentViewProtocolClass(filepath /*: string */) {
 }
 
 module.exports = {
+  findFilesWithExtension,
   generateRCTThirdPartyComponents,
 };