Upgrade to react-scripts@6 and eslint@7

Author: karlhorky

package.json

@@ -10,39 +10,9 @@
   "author": "Karl Horky <[email protected]>",
   "license": "MIT",
   "peerDependencies": {
-    "@types/react": "16.9.52",
-    "@types/react-dom": "16.9.8",
-    "@typescript-eslint/eslint-plugin": "4.4.1",
-    "@typescript-eslint/parser": "4.4.1",
-    "babel-eslint": "10.1.0",
-    "eslint": "6.8.0",
-    "eslint-config-react-app": "5.2.1",
+    "eslint-config-react-app": "6.0.0",
     "eslint-import-resolver-typescript": "2.3.0",
     "eslint-plugin-cypress": "2.11.2",
-    "eslint-plugin-flowtype": "4.7.0",
-    "eslint-plugin-import": "2.22.1",
-    "eslint-plugin-jest": "24.1.0",
-    "eslint-plugin-jsx-a11y": "6.3.1",
-    "eslint-plugin-react": "7.21.4",
-    "eslint-plugin-react-hooks": "4.1.2",
-    "typescript": "4.0.3"
-  },
-  "devDependencies": {
-    "@types/react": "16.9.52",
-    "@types/react-dom": "16.9.8",
-    "@typescript-eslint/eslint-plugin": "4.4.1",
-    "@typescript-eslint/parser": "4.4.1",
-    "babel-eslint": "10.1.0",
-    "eslint": "6.8.0",
-    "eslint-config-react-app": "5.2.1",
-    "eslint-import-resolver-typescript": "2.3.0",
-    "eslint-plugin-cypress": "2.11.2",
-    "eslint-plugin-flowtype": "4.7.0",
-    "eslint-plugin-import": "2.22.1",
-    "eslint-plugin-jest": "24.1.0",
-    "eslint-plugin-jsx-a11y": "6.3.1",
-    "eslint-plugin-react": "7.21.4",
-    "eslint-plugin-react-hooks": "4.1.2",
     "typescript": "4.0.3"
   }
 }

readme.md

@@ -10,15 +10,17 @@ To add ESLint configuration to a project, install the dependencies and add the c
 
 ```sh
 yarn add --dev @upleveled/eslint-config-upleveled
+npx install-peerdeps --yarn --dev -o eslint-config-react-app
 npx install-peerdeps --yarn --dev -o @upleveled/eslint-config-upleveled
 cp node_modules/@upleveled/eslint-config-upleveled/templates/.eslintrc.js ./
 cp node_modules/@upleveled/eslint-config-upleveled/templates/tsconfig.json ./
 ```
 
-If you have a monorepo using Yarn Workspaces and would like to install the config in the root, change the first two lines to these:
+If you have a monorepo using Yarn Workspaces and would like to install the config in the root, change the first three lines to these:
 
 ```sh
 yarn add -W --dev @upleveled/eslint-config-upleveled
+npx install-peerdeps --yarn --dev -o eslint-config-react-app --extra-args "-W"
 npx install-peerdeps --yarn --dev -o @upleveled/eslint-config-upleveled --extra-args "-W"
 ```
 

templates/tsconfig.json

@@ -7,6 +7,8 @@
       "es2020.bigint",
       "es2020.string"
     ],
+    "target": "ES2015",
+    "noFallthroughCasesInSwitch": true,
     "allowJs": true,
     "strict": true,
     "noEmit": true,