Upgrade a bunch of stuff.

.eslintrc

@@ -4,7 +4,7 @@
     "eslint:recommended",
     "plugin:import/recommended",
     "plugin:react/recommended",
-    "plugin:prettier/recommended"
+    "prettier"
   ],
   "settings": {
     "react": {
@@ -31,8 +31,5 @@
     "react/jsx-wrap-multilines": 2,
     "react/no-string-refs": 0
   },
-  "plugins": [
-    "import",
-    "react"
-  ]
+  "plugins": ["import", "react"]
 }

.github/workflows/test.yml

@@ -18,8 +18,8 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@v2
         with:
-          node-version: 14.x
-          cache: npm
+          node-version: '14.x'
+          cache: 'npm'
 
       - name: Install dependencies
         run: npm ci

jest.config.js

@@ -1,17 +1,18 @@
 const defaults = {
   coverageDirectory: './coverage/',
   collectCoverage: true,
-  testURL: 'http://localhost'
+  testURL: 'http://localhost',
 }
 
-const testFolderPath = folderName => `<rootDir>/test/${folderName}/**/*.js`
+const testFolderPath = (folderName) => `<rootDir>/test/${folderName}/**/*.js`
 
 const NORMAL_TEST_FOLDERS = ['components', 'hooks', 'integration', 'utils']
 
 const standardConfig = {
   ...defaults,
   displayName: 'ReactDOM',
-  testMatch: NORMAL_TEST_FOLDERS.map(testFolderPath)
+  testEnvironment: 'jsdom',
+  testMatch: NORMAL_TEST_FOLDERS.map(testFolderPath),
 }
 
 const rnConfig = {
@@ -20,10 +21,10 @@ const rnConfig = {
   testMatch: [testFolderPath('react-native')],
   preset: 'react-native',
   transform: {
-    '^.+\\.js$': '<rootDir>/node_modules/react-native/jest/preprocessor.js'
-  }
+    '^.+\\.js$': '<rootDir>/node_modules/react-native/jest/preprocessor.js',
+  },
 }
 
 module.exports = {
-  projects: [standardConfig, rnConfig]
+  projects: [standardConfig, rnConfig],
 }