Install eslint

.eslintrc.js

@@ -0,0 +1,32 @@
+module.exports = {
+    "env": {
+        "browser": true,
+        "es2021": true,
+        "node": true
+    },
+    "extends": "plugin:react/recommended",
+    "overrides": [
+        {
+            "env": {
+                "node": true
+            },
+            "files": [
+                ".eslintrc.{js,cjs}"
+            ],
+            "parserOptions": {
+                "sourceType": "script"
+            }
+        }
+    ],
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "ecmaVersion": "latest",
+        "sourceType": "module"
+    },
+    "plugins": [
+        "@typescript-eslint",
+        "react"
+    ],
+    "rules": {
+    }
+}

package.json

@@ -6,13 +6,22 @@
     "start": "expo start",
     "android": "expo start --android",
     "ios": "expo start --ios",
-    "web": "expo start --web"
+    "web": "expo start --web",
+    "lint": "eslint . --ext .ts,.tsx",
+    "lint:fix": "eslint . --ext .ts,.tsx --fix"
   },
   "dependencies": {
+    "@typescript-eslint/eslint-plugin": "^6.17.0",
+    "@typescript-eslint/parser": "^6.17.0",
+    "eslint": "^8.56.0",
+    "eslint-plugin-react": "^7.33.2",
+    "eslint-plugin-react-hooks": "^4.6.0",
+    "eslint-plugin-react-native": "^4.1.0",
     "expo": "~49.0.15",
     "expo-status-bar": "~1.6.0",
     "react": "18.2.0",
-    "react-native": "0.72.6"
+    "react-native": "0.72.6",
+    "typescript": "^5.3.3"
   },
   "devDependencies": {
     "@babel/core": "^7.20.0"