Add lint rules

.eslintrc.js

@@ -25,8 +25,40 @@ module.exports = {
     },
     "plugins": [
         "@typescript-eslint",
-        "react"
+        "react",
+        "react-hooks",
+        "react-native"
     ],
     "rules": {
-    }
+        // Enforce tab width of 4 spaces
-}
+        "indent": ["error", 4, { "SwitchCase": 1 }],
+
+        // Best Practices
+        "eqeqeq": ["error", "always"], // Enforce '===' instead of '=='
+        "curly": "error", // Require curly braces for all control statements
+        "no-unused-vars": "warn", // Warn about variables that are declared but not used
+
+        // Stylistic Issues
+        "quotes": ["error", "single"], // Enforce single quotes
+        "semi": ["error", "always"], // Enforce semicolons at the end of statements
+        "no-multi-spaces": "error", // Disallow multiple spaces that are not used for indentation
+        "comma-dangle": ["error", "always-multiline"], // Require trailing commas for multiline
+
+        // React Specific
+        "react/jsx-filename-extension": [1, { "extensions": [".tsx"] }], // Allow jsx syntax in .tsx files
+        "react/react-in-jsx-scope": "off", // Not necessary with React 17+
+        "react/prop-types": "off", // Not needed with TypeScript
+
+        // React-Native Specific
+        "react-native/no-unused-styles": "warn", // Warn about unused styles
+        "react-native/split-platform-components": "warn", // Encourage splitting of React Native components into platform-specific files
+
+        // TypeScript Specific
+        "@typescript-eslint/explicit-function-return-type": "off",
+        "@typescript-eslint/no-unused-vars": ["warn", { "argsIgnorePattern": "^_" }], // Warn about variables that are declared but not used
+
+        // Hooks Specific
+        "react-hooks/rules-of-hooks": "error", // Checks rules of Hooks
+        "react-hooks/exhaustive-deps": "warn", // Checks effect dependencies
+    },
+};

package.json

@@ -7,7 +7,7 @@
     "android": "expo start --android",
     "ios": "expo start --ios",
     "web": "expo start --web",
-    "lint": "eslint . --ext .ts,.tsx",
+    "lint": "eslint . --ext .js,.ts,.tsx",
     "lint:fix": "eslint . --ext .ts,.tsx --fix"
   },
   "dependencies": {