Init rntr

packages/community-cli-plugin/package.json

@@ -2,10 +2,7 @@
   "name": "@react-native/community-cli-plugin",
   "version": "0.74.0",
   "description": "Core CLI commands for React Native",
-  "keywords": [
-    "react-native",
-    "tools"
-  ],
+  "keywords": ["react-native", "tools"],
   "homepage": "https://github.com/facebook/react-native/tree/HEAD/packages/buid-scripts#readme",
   "bugs": "https://github.com/facebook/react-native/issues",
   "repository": {
@@ -14,13 +11,8 @@
     "directory": "packages/community-cli-plugin"
   },
   "license": "MIT",
-  "exports": {
-    ".": "./src/index.js",
-    "./package.json": "./package.json"
-  },
-  "files": [
-    "dist"
-  ],
+  "exports": { ".": "./dist/index.js", "./package.json": "./package.json" },
+  "files": ["dist"],
   "dependencies": {
     "@react-native/dev-middleware": "0.74.0",
     "@react-native-community/cli-server-api": "13.0.0",
@@ -34,10 +26,6 @@
     "node-fetch": "^2.2.0",
     "readline": "^1.3.0"
   },
-  "devDependencies": {
-    "metro-resolver": "^0.80.3"
-  },
-  "engines": {
-    "node": ">=18"
-  }
+  "devDependencies": { "metro-resolver": "^0.80.3" },
+  "engines": { "node": ">=18" }
 }

packages/dev-middleware/package.json

@@ -2,10 +2,7 @@
   "name": "@react-native/dev-middleware",
   "version": "0.74.0",
   "description": "Dev server middleware for React Native",
-  "keywords": [
-    "react-native",
-    "tools"
-  ],
+  "keywords": ["react-native", "tools"],
   "homepage": "https://github.com/facebook/react-native/tree/HEAD/packages/dev-middleware#readme",
   "bugs": "https://github.com/facebook/react-native/issues",
   "repository": {
@@ -14,13 +11,8 @@
     "directory": "packages/dev-middleware"
   },
   "license": "MIT",
-  "exports": {
-    ".": "./src/index.js",
-    "./package.json": "./package.json"
-  },
-  "files": [
-    "dist"
-  ],
+  "exports": { ".": "./dist/index.js", "./package.json": "./package.json" },
+  "files": ["dist"],
   "dependencies": {
     "@isaacs/ttlcache": "^1.4.1",
     "@react-native/debugger-frontend": "0.74.0",
@@ -34,9 +26,7 @@
     "serve-static": "^1.13.1",
     "temp-dir": "^2.0.0"
   },
-  "engines": {
-    "node": ">=18"
-  },
+  "engines": { "node": ">=18" },
   "devDependencies": {
     "data-uri-to-buffer": "^6.0.1",
     "undici": "^5.27.2",

packages/react-native-test-renderer/.gitignore

@@ -0,0 +1,5 @@
+# Dependencies
+/node_modules
+
+# Build output
+/dist

packages/react-native-test-renderer/babel.config.js

@@ -0,0 +1,14 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow strict-local
+ * @format
+ */
+
+module.exports = {
+  presets: [['@babel/preset-env', {targets: {node: 'current'}}]],
+  plugins: ['@babel/plugin-transform-flow-strip-types', '@babel/plugin-transform-react-jsx'],
+};

packages/react-native-test-renderer/index.js

@@ -0,0 +1,15 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @flow
+ */
+
+import ReactNativeEnvironment from './src/jest-environment/index';
+import * as ReactNativeTestRenderer from './src/renderer/index';
+import * as ReactNativeJestSetup from './src/jest-setup/index'
+
+export { ReactNativeEnvironment, ReactNativeTestRenderer, ReactNativeJestSetup };

packages/react-native-test-renderer/jest.config.js

@@ -0,0 +1,25 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+'use strict';
+
+module.exports = {
+  haste: {
+    defaultPlatform: 'ios',
+    platforms: ['android', 'ios', 'native'],
+  },
+  transform: {
+    '^.+\\.(js|ts|tsx)$': 'babel-jest',
+  },
+  transformIgnorePatterns: [
+    'node_modules/(?!((jest-)?react-native|@react-native(-community)?)/)',
+  ],
+  setupFilesAfterEnv: ['./src/jest-setup/index'],
+  testEnvironment: './src/jest-environment/index',
+};

packages/react-native-test-renderer/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "@react-native/test-renderer",
+  "version": "0.0.0",
+  "description": "A Jest Environment and test rendering library for React Native",
+  "license": "MIT",
+  "devDependencies": {
+    "@babel/core": "^7.23.3",
+    "@babel/plugin-transform-flow-strip-types": "^7.23.3",
+    "@babel/plugin-transform-react-jsx": "^7.22.15",
+    "@babel/preset-env": "^7.23.3",
+    "@types/jest": "^29.5.8",
+    "eslint": "^8.53.0",
+    "jest": "^29.7.0"
+  },
+  "dependencies": {},
+  "exports": {
+    ".": "./index.js",
+    "./jest-environment": "./dist/jest-environment/index.js",
+    "./jest-setup": "./dist/jest-setup/index.js"
+  },
+  "peerDependencies": { "jest": "^29.7.0" }
+}

packages/react-native-test-renderer/src/jest-environment/index.js

@@ -0,0 +1,74 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+'use strict';
+
+const NodeEnv = require('jest-environment-node').TestEnvironment;
+
+module.exports = class ReactNativeEnvironment extends NodeEnv {
+  customExportConditions = ['require', 'react-native'];
+
+  constructor(config, context) {
+    super(config, context);
+  }
+
+  async setup() {
+    await super.setup();
+    this.assignGlobals();
+    this.initializeTurboModuleRegistry();
+  }
+
+  assignGlobals() {
+    Object.defineProperties(this.global, {
+      __DEV__: {
+        configurable: true,
+        enumerable: true,
+        value: true,
+        writable: true,
+      },
+    });
+    this.global.IS_REACT_ACT_ENVIRONMENT= true
+  }
+
+  initializeTurboModuleRegistry() {
+    const dims = {width: 100, height: 100, scale: 1, fontScale: 1};
+    const DIMS = {
+      screen: {
+        ...dims,
+      },
+      window: {
+        ...dims,
+      },
+    };
+    this.global.nativeModuleProxy = name => ({}[name])
+    this.global.__turboModuleProxy = name =>
+      ({
+        SourceCode: {getConstants: () => ({scriptURL: ''})},
+        WebSocketModule: {connect: () => {}},
+        FileReaderModule: {},
+        AppState: {getConstants: () => ({}), getCurrentAppState: () => ({})},
+        DeviceInfo: {getConstants: () => ({Dimensions: DIMS})},
+        UIManager: {getConstants: () => ({})},
+        Timing: {},
+        DevSettings: {},
+        PlatformConstants: {
+          getConstants: () => ({reactNativeVersion: '1000.0.0'}),
+        },
+        Networking: {},
+        ImageLoader: {},
+        NativePerformanceCxx: {},
+        NativePerformanceObserverCxx: {},
+        LogBox: {},
+        SettingsManager: {
+          getConstants: () => ({settings: {}})
+        },
+        LinkingManager: {},
+      })[name];
+  }
+};