diff --git a/.eslintignore b/.eslintignore
index 48fa766a507d..36c1940c60f0 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,14 +1,19 @@
+!.*
 **/coverage/**
 **/node_modules/**
 bin/
-flow-typed/**
 packages/*/build/**
 packages/*/dist/**
-packages/jest-diff/src/cleanupSemantic.ts
 website/.docusaurus
 website/blog
 website/build
 website/node_modules
 website/i18n/*.js
 website/static
-!.eslintrc.js
+
+# Third-party script
+packages/jest-diff/src/cleanupSemantic.ts
+
+**/.yarn
+**/.pnp.*
+
diff --git a/.eslintrc.cjs b/.eslintrc.cjs
index 8ee5a68dfe67..98ed42ee1aab 100644
--- a/.eslintrc.cjs
+++ b/.eslintrc.cjs
@@ -186,12 +186,6 @@ module.exports = {
         'import/order': 'off',
       },
     },
-    {
-      files: 'packages/jest-types/**/*',
-      rules: {
-        'import/no-extraneous-dependencies': 'off',
-      },
-    },
     {
       files: 'packages/**/*.ts',
       rules: {
@@ -249,6 +243,8 @@ module.exports = {
         '**/__tests__/**',
         'e2e/**',
         '**/pretty-format/perf/**',
+        'packages/jest-types/**/*',
+        '.eslintplugin/**',
       ],
       rules: {
         'import/no-extraneous-dependencies': 'off',
diff --git a/.prettierignore b/.prettierignore
index 38dc19d98aa6..cf9b97f586fc 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -1,11 +1,26 @@
+.idea
+.DS_STORE
+.eslintcache
+*.swp
+*~
 api-extractor.json
 coverage
 
 /packages/*/build
+/packages/*/dist
 /packages/jest-config/src/__tests__/jest-preset.json
 /packages/pretty-format/perf/world.geo.json
 
+# Breaks tests
+/e2e/coverage-handlebars/greet.hbs
+
+# Third-party script
+packages/jest-diff/src/cleanupSemantic.ts
+
 /website/.docusaurus
 /website/backers.json
 /website/build
 /website/versions.json
+
+**/.yarn
+**/.pnp.*
diff --git a/examples/angular/.babelrc.js b/examples/angular/.babelrc.js
index 7a1d6c383636..118538499498 100644
--- a/examples/angular/.babelrc.js
+++ b/examples/angular/.babelrc.js
@@ -19,5 +19,5 @@ module.exports = {
       },
     ],
     '@babel/preset-typescript',
-  ]
+  ],
 };
diff --git a/examples/react-native/.watchmanconfig b/examples/react-native/.watchmanconfig
index 9e26dfeeb6e6..0967ef424bce 100644
--- a/examples/react-native/.watchmanconfig
+++ b/examples/react-native/.watchmanconfig
@@ -1 +1 @@
-{}
\ No newline at end of file
+{}
diff --git a/package.json b/package.json
index 5125d1a77316..314efb6d87cd 100644
--- a/package.json
+++ b/package.json
@@ -100,8 +100,8 @@
     "jest-jasmine-ci": "yarn jest-jasmine --color --config jest.config.ci.js",
     "jest-coverage": "yarn jest --coverage",
     "lint": "eslint . --cache --ext js,jsx,cjs,mjs,ts,tsx,md",
-    "lint:prettier": "prettier '**/*.{json,md,yml,yaml}' 'website/**/*.{css,js}' --write",
-    "lint:prettier:ci": "prettier '**/*.{json,md,yml,yaml}' 'website/**/*.{css,js}' --check",
+    "lint:prettier": "prettier . \"!**/*.{js,jsx,cjs,mjs,ts,tsx}\" --write",
+    "lint:prettier:ci": "prettier . \"!**/*.{js,jsx,cjs,mjs,ts,tsx}\" --check",
     "remove-examples": "node ./scripts/remove-examples.mjs",
     "test-types": "yarn jest --config jest.config.tsd.js",
     "test-ci-partial": "yarn test-ci-partial:parallel -i",