Improve tests for React.forwardRef components and add CI workflow

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+      - master
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [18, 20]
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: yarn
+
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+
+      - name: Run tests
+        run: yarn test --ci

__tests__/handler.test.js

@@ -39,11 +39,26 @@ describe('typescript-react-function-component-props-handler', () => {
         expect(doc.displayName).toBe('TooltipTarget');
     });
 
-    // Currently returns error for React.forwardRef(...) components
     test('handles React.forwardRef(...) components - part 2', () => {
-        expect(() => parseFixture('ForwardedButton.tsx')).toThrow(
-            "Cannot read properties of undefined (reading 'length')"
-        );
+        const doc = parseFixture('ForwardedButton.tsx');
+
+        expect(doc.displayName).toBe('ForwardedButton');
+        expect(doc).toHaveProperty('props');
+        expect(doc.props).toHaveProperty('label');
+        expect(doc.props.label.tsType).toMatchObject({ name: 'string' });
+        expect(doc.props.label.required).toBe(true);
+        expect(doc.props.label).toHaveProperty('description');
+        expect(doc.props.label.description).toBe('Text to show inside the button');
+
+        expect(doc.props).toHaveProperty('onClick');
+        expect(doc.props.onClick.tsType).toMatchObject({ name: 'signature' });
+        expect(doc.props.onClick.tsType.type).toBe('function');
+        expect(doc.props.onClick.tsType.raw).toBe('() => void');
+        expect(doc.props.onClick.tsType.signature).toMatchObject({ arguments: [], return: { name: 'void' } });
+        expect(doc.props.onClick.required).toBe(false);
+
+        expect(doc.props.onClick).toHaveProperty('description');
+        expect(doc.props.onClick.description).toBe('Optional click handler');
     });
 
     test('handles React.FC<Props> components - AccessibleButton', () => {

index.js

@@ -48,14 +48,13 @@ function checkForProptypes(path, paramTypeName) {
 
 function setParamsTypeDefinitionFromFunctionType(documentation, path) {
     if (
-        path.parentPath.node.init  &&
+        path.parentPath.node.init &&
         Array.isArray(path.parentPath.node.init.params) &&
         path.parentPath.node.init.params.length === 0
-        )
-         {
+    ) {
         return;
-      }
-      
+    }
+
     if (
         path.node.type === 'ArrowFunctionExpression' &&
         (