Cleanup the structure, improve mocks

Author: MatiPl01

packages/react-native-reanimated/jest-web-setup.js

@@ -1,6 +1,7 @@
+// @ts-expect-error - jest-expo/config doesn't have type declarations
 const { getWebPreset } = require('jest-expo/config');
 
-const sharedSetupFiles = ['<rootDir>/jest-setup.js'];
+const sharedSetupFiles = ['<rootDir>/jest/setup.js'];
 const sharedSetupFilesAfterEnv = ['@testing-library/jest-native/extend-expect'];
 
 /**
@@ -29,17 +30,19 @@ const nativeProject = createProject({
 
 const {
   snapshotResolver: _,
+  watchPlugins: __,
   ...baseWebPreset
 } = getWebPreset();
 
 const webProject = createProject({
   ...baseWebPreset,
-  setupFiles: [...baseWebPreset.setupFiles, '<rootDir>/jest-web-setup.js'],
+  setupFiles: [...baseWebPreset.setupFiles, '<rootDir>/jest/setup.web.js'],
   displayName: 'web',
   testMatch: ['**/*.web.test.@(js|jsx|ts|tsx)'],
   testEnvironment: 'jsdom',
 });
 
+
 module.exports = {
   projects: [nativeProject, webProject],
 };

packages/react-native-reanimated/jest.config.js

@@ -1,7 +1,7 @@
 // @ts-nocheck
 delete global.MessageChannel;
 require('react-native-worklets/jestSetup');
-require('./src/jestUtils').setUpTests();
+require('../src/jestUtils').setUpTests();
 
 jest.mock('react-native-worklets', () =>
   require('react-native-worklets/src/mock')

…es/react-native-reanimated/jest-setup.js …es/react-native-reanimated/jest/setup.jspackages/react-native-reanimated/jest-setup.js renamed to packages/react-native-reanimated/jest/setup.js packages/react-native-reanimated/jest-setup.js renamed to packages/react-native-reanimated/jest/setup.js

@@ -0,0 +1,30 @@
+const { Platform } = require('react-native');
+
+/* global window */
+if (window && typeof window.matchMedia !== 'function') {
+  window.matchMedia = (query) => ({
+    matches: false,
+    media: query,
+    onchange: null,
+    addEventListener: () => { },
+    removeEventListener: () => { },
+    addListener: () => { },
+    removeListener: () => { },
+    dispatchEvent: () => false,
+  });
+}
+
+Platform.OS = 'web';
+
+const originalSelect = Platform.select.bind(Platform);
+
+Platform.select = (spec) => {
+  if (spec && typeof spec === 'object') {
+    /** @type {Record<string, unknown>} */
+    const typedSpec = spec;
+    return typedSpec.web ?? typedSpec.default ?? originalSelect(typedSpec);
+  }
+
+  return spec;
+};
+