Properly configure tsconfig and eslint

Author: sdirix

package.json

@@ -28,6 +28,12 @@
     "cypress:run": "cypress run --config video=false",
     "cypress:ci": "BROWSER=none start-server-and-test start http://localhost:3000 cypress:run"
   },
+  "eslintConfig": {
+    "extends": [
+      "react-app",
+      "react-app/jest"
+    ]
+  },
   "browserslist": [
     ">0.2%",
     "not dead",

tsconfig.json

@@ -1,25 +1,20 @@
 {
   "compilerOptions": {
     "target": "es5",
+    "lib": ["dom", "dom.iterable", "esnext"],
     "allowJs": true,
-    "lib": [
-      "es2015",
-      "dom"
-    ],
-    "skipLibCheck": false,
+    "skipLibCheck": true,
     "esModuleInterop": true,
     "allowSyntheticDefaultImports": true,
     "strict": true,
     "forceConsistentCasingInFileNames": true,
+    "noFallthroughCasesInSwitch": true,
     "module": "esnext",
     "moduleResolution": "node",
     "resolveJsonModule": true,
     "isolatedModules": true,
     "noEmit": true,
-    "jsx": "react-jsx",
-    "noFallthroughCasesInSwitch": true
+    "jsx": "react-jsx"
   },
-  "include": [
-    "src"
-  ]
+  "include": ["src"]
 }