Merge branch 'main' into patch1

Author: eps1lon

.circleci/config.yml

@@ -84,7 +84,6 @@ jobs:
       - run: node ./scripts/prettier/index
       - run: node ./scripts/tasks/eslint
       - run: ./scripts/circleci/check_license.sh
-      - run: ./scripts/circleci/check_modules.sh
       - run: ./scripts/circleci/test_print_warnings.sh
 
   yarn_flow:
@@ -97,6 +96,16 @@ jobs:
       - setup_node_modules
       - run: node ./scripts/tasks/flow-ci
 
+
+  yarn_flags:
+    docker: *docker
+    environment: *environment
+
+    steps:
+      - checkout
+      - setup_node_modules
+      - run: yarn flags
+
   scrape_warning_messages:
     docker: *docker
     environment: *environment
@@ -106,8 +115,8 @@ jobs:
       - setup_node_modules
       - run:
           command: |
-            mkdir -p ./build
-            node ./scripts/print-warnings/print-warnings.js > build/WARNINGS
+            mkdir -p ./build/__test_utils__
+            node ./scripts/print-warnings/print-warnings.js > build/__test_utils__/ReactAllWarnings.js
       - persist_to_workspace:
           root: .
           paths:
@@ -236,6 +245,53 @@ jobs:
             RELEASE_CHANNEL: experimental
           command: ./scripts/circleci/run_devtools_e2e_tests.js
 
+  run_fixtures_flight_tests:
+    docker:
+      - image: cimg/openjdk:20.0-node
+    environment: *environment
+    steps:
+      - checkout
+      - attach_workspace:
+          at: .
+      # Fixture copies some built packages from the workroot after install.
+      # That means dependencies of the built packages are not installed.
+      # We need to install dependencies of the workroot to fulfill all dependency constraints
+      - setup_node_modules
+      - restore_cache:
+          name: Restore yarn cache of fixture
+          keys:
+            - v2-yarn_cache_fixtures_flight-{{ arch }}-{{ checksum "yarn.lock" }}
+      - run:
+          name: Install fixture dependencies
+          working_directory: fixtures/flight
+          command: |
+            yarn install --frozen-lockfile --cache-folder ~/.cache/yarn
+            if [ $? -ne 0 ]; then
+              yarn install --frozen-lockfile --cache-folder ~/.cache/yarn
+            fi
+      - save_cache:
+          name: Save yarn cache of fixture
+          key: v2-yarn_cache_fixtures_flight-{{ arch }}-{{ checksum "yarn.lock" }}
+          paths:
+            - ~/.cache/yarn
+      - run:
+          working_directory: fixtures/flight
+          name: Playwright install deps
+          command: |
+            npx playwright install
+            sudo npx playwright install-deps
+      - run:
+          name: Run tests
+          working_directory: fixtures/flight
+          command: yarn test
+          environment:
+          # Otherwise the webserver is a blackbox
+            DEBUG: pw:webserver
+      - store_artifacts:
+          path: fixtures/flight/playwright-report
+      - store_artifacts:
+          path: fixtures/flight/test-results
+
   run_devtools_tests_for_versions:
     docker: *docker
     environment: *environment
@@ -373,18 +429,6 @@ jobs:
             yarn predev
             yarn test --maxWorkers=2
 
-  test_fuzz:
-    docker: *docker
-    environment: *environment
-    steps:
-      - checkout
-      - setup_node_modules
-      - run:
-          name: Run fuzz tests
-          command: |
-            FUZZ_TEST_SEED=$RANDOM yarn test fuzz --ci
-            FUZZ_TEST_SEED=$RANDOM yarn test --prod fuzz --ci
-
   publish_prerelease:
     parameters:
       commit_sha:
@@ -412,6 +456,11 @@ workflows:
   build_and_test:
     unless: << pipeline.parameters.prerelease_commit_sha >>
     jobs:
+      - yarn_flags:
+          filters:
+            branches:
+              ignore:
+                - builds/facebook-www
       - yarn_flow:
           filters:
             branches:
@@ -528,19 +577,9 @@ workflows:
       - run_devtools_e2e_tests:
           requires:
             - build_devtools_and_process_artifacts
-
-  fuzz_tests:
-    unless: << pipeline.parameters.prerelease_commit_sha >>
-    triggers:
-      - schedule:
-          # Fuzz tests run hourly
-          cron: "0 * * * *"
-          filters:
-            branches:
-              only:
-                - main
-    jobs:
-      - test_fuzz
+      - run_fixtures_flight_tests:
+          requires:
+            - yarn_build
 
   devtools_regression_tests:
     unless: << pipeline.parameters.prerelease_commit_sha >>

.eslintrc.js

@@ -327,6 +327,7 @@ module.exports = {
         'packages/react-server-dom-esm/**/*.js',
         'packages/react-server-dom-webpack/**/*.js',
         'packages/react-server-dom-turbopack/**/*.js',
+        'packages/react-server-dom-fb/**/*.js',
         'packages/react-test-renderer/**/*.js',
         'packages/react-debug-tools/**/*.js',
         'packages/react-devtools-extensions/**/*.js',
@@ -380,6 +381,13 @@ module.exports = {
         'jest/valid-expect-in-promise': ERROR,
       },
     },
+    {
+      // disable no focused tests for test setup helper files even if they are inside __tests__ directory
+      files: ['**/setupTests.js'],
+      rules: {
+        'jest/no-focused-tests': OFF,
+      },
+    },
     {
       files: [
         '**/__tests__/**/*.js',
@@ -419,6 +427,7 @@ module.exports = {
       files: ['packages/react-native-renderer/**/*.js'],
       globals: {
         nativeFabricUIManager: 'readonly',
+        RN$enableMicrotasksInReact: 'readonly',
       },
     },
     {
@@ -441,6 +450,21 @@ module.exports = {
         TaskController: 'readonly',
       },
     },
+    {
+      files: ['packages/react-devtools-extensions/**/*.js'],
+      globals: {
+        __IS_CHROME__: 'readonly',
+        __IS_FIREFOX__: 'readonly',
+        __IS_EDGE__: 'readonly',
+        __IS_INTERNAL_VERSION__: 'readonly',
+      },
+    },
+    {
+      files: ['packages/react-devtools-shared/**/*.js'],
+      globals: {
+        __IS_INTERNAL_VERSION__: 'readonly',
+      },
+    },
   ],
 
   env: {
@@ -495,7 +519,6 @@ module.exports = {
     React$Node: 'readonly',
     React$Portal: 'readonly',
     React$Ref: 'readonly',
-    React$StatelessFunctionalComponent: 'readonly',
     ReadableStreamController: 'readonly',
     RequestInfo: 'readonly',
     RequestOptions: 'readonly',
@@ -523,6 +546,7 @@ module.exports = {
     trustedTypes: 'readonly',
     IS_REACT_ACT_ENVIRONMENT: 'readonly',
     AsyncLocalStorage: 'readonly',
+    async_hooks: 'readonly',
     globalThis: 'readonly',
   },
 };

.github/ISSUE_TEMPLATE/config.yml

@@ -1,6 +1,6 @@
 contact_links:
     - name: 📃 Documentation Issue
-      url: https://github.com/reactjs/reactjs.org/issues/new
+      url: https://github.com/reactjs/react.dev/issues/new/choose
       about: This issue tracker is not for documentation issues. Please file documentation issues here.
     - name: 🤔 Questions and Help
       url: https://reactjs.org/community/support.html

.github/dependabot.yml

@@ -0,0 +1,107 @@
+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directory: "/fixtures/art"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/attribute-behavior"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/concurrent"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/devtools"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/dom"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/eslint"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/expiration"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/fiber-debugger"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/fiber-triangle"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/fizz"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/fizz-ssr-browser"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/flight"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/flight-browser"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/flight-esm"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/legacy-jsx-runtimes"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/nesting"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/packaging"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/scheduler"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/ssr"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/ssr-2"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0
+  - package-ecosystem: "npm"
+    directory: "/fixtures/stacks"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 0