React Native 0.78 Support (RC 5) (#1723)

Author: mdjastrzebski

.github/workflows/ci.yml

@@ -51,7 +51,7 @@ jobs:
   test:
     needs: [install-cache-deps]
     runs-on: ubuntu-latest
-    name: Test (concurrent)
+    name: Test
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -67,16 +67,21 @@ jobs:
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
-  test-legacy:
+  test-react-18:
     needs: [install-cache-deps]
     runs-on: ubuntu-latest
-    name: Test (legacy)
+    name: Test React 18
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
       - name: Setup Node.js and deps
         uses: ./.github/actions/setup-deps
 
-      - name: Test in legacy mode
-        run: CONCURRENT_MODE=0 yarn test:ci
+      - name: Switch to React 18
+        run: |
+          yarn remove react react-test-renderer react-native @react-native/babel-preset
+          yarn add -D [email protected] [email protected] [email protected] @react-native/[email protected]
+
+      - name: Test
+        run: yarn test:ci

package.json

@@ -72,12 +72,12 @@
     "@babel/preset-react": "^7.25.9",
     "@babel/preset-typescript": "^7.26.0",
     "@callstack/eslint-config": "^15.0.0",
-    "@react-native/babel-preset": "0.77.0",
+    "@react-native/babel-preset": "0.78.0-rc.3",
     "@release-it/conventional-changelog": "^10.0.0",
     "@relmify/jest-serializer-strip-ansi": "^1.0.2",
     "@types/jest": "^29.5.14",
-    "@types/react": "^18.3.12",
-    "@types/react-test-renderer": "^18.3.0",
+    "@types/react": "^19.0.0",
+    "@types/react-test-renderer": "^19.0.0",
     "babel-jest": "^29.7.0",
     "babel-plugin-module-resolver": "^5.0.2",
     "del-cli": "^6.0.0",
@@ -86,9 +86,9 @@
     "flow-bin": "~0.170.0",
     "jest": "^29.7.0",
     "prettier": "^2.8.8",
-    "react": "18.3.1",
-    "react-native": "0.77.0",
-    "react-test-renderer": "18.3.1",
+    "react": "^19.0.0",
+    "react-native": "0.78.0-rc.3",
+    "react-test-renderer": "^19.0.0",
     "release-it": "^18.0.0",
     "typescript": "^5.6.3",
     "typescript-eslint": "^8.19.1"

src/matchers/__tests__/to-be-disabled.test.tsx

@@ -159,7 +159,6 @@ test.each([
   ['TouchableNativeFeedback', TouchableNativeFeedback],
 ] as const)('toBeDisabled()/toBeEnabled() supports %s with "disabled" prop', (_, Component) => {
   render(
-    // @ts-expect-error disabled prop is not available on all Touchables
     <Component disabled testID="subject">
       <Text>Button</Text>
     </Component>,
@@ -191,7 +190,6 @@ test.each([
   'toBeDisabled()/toBeEnabled() supports %s with "aria-disabled" prop',
   (_, Component) => {
     render(
-      // @ts-expect-error too generic for typescript
       <Component testID="subject" aria-disabled>
         <Text>Hello</Text>
       </Component>,
@@ -218,7 +216,6 @@ test.each([
   'toBeDisabled()/toBeEnabled() supports %s with "accessibilityState.disabled" prop',
   (_, Component) => {
     render(
-      // @ts-expect-error disabled prop is not available on all Touchables
       <Component testID="subject" accessibilityState={{ disabled: true }}>
         <Text>Hello</Text>
       </Component>,

src/render.tsx

@@ -96,7 +96,7 @@ function renderWithStringValidation<T>(
 
 function buildRenderResult(
   renderer: ReactTestRenderer,
-  wrap: (element: React.ReactElement) => JSX.Element,
+  wrap: (element: React.ReactElement) => React.JSX.Element,
 ) {
   const update = updateWithAct(renderer, wrap);
   const instance = renderer.root;