chore: Migrate to biome.

Author: filiphsps

.prettierrc

@@ -1,4 +1,4 @@
-module.exports = function (api) {
+module.exports = (api) => {
     api.cache(true);
     return {
         presets: [

apps/launcher/babel.config.cjs

@@ -15,11 +15,11 @@
         "android": "dotenv -c -- expo run:android",
         "ios": "dotenv -c -- expo run:ios",
         "web": "dotenv -c -- expo start --web",
-        "lint": "expo lint",
+        "lint": "biome lint .",
         "typecheck": "tsc --noEmit",
-        "prettier": "prettier **/src/**/*.{ts,tsx} --check",
-        "format:eslint": "eslint --fix",
-        "format:prettier": "prettier --write \"./**/*.{cjs,mjs,ts,tsx,scss,json}\""
+        "format": "biome format --write .",
+        "check": "biome check .",
+        "check:fix": "biome check --write ."
     },
     "jest": {
         "collectCoverage": true,
@@ -89,30 +89,18 @@
     },
     "devDependencies": {
         "@babel/core": "7.28.5",
-        "@eslint/eslintrc": "3.3.3",
-        "@eslint/js": "9.39.2",
         "@jest/globals": "30.2.0",
         "@testing-library/react-native": "13.1.1",
         "@types/jest": "29.5.14",
         "@types/lodash": "4.17.21",
         "@types/node": "24.10.4",
         "@types/react": "19.2.7",
-        "@typescript-eslint/eslint-plugin": "8.50.0",
-        "@typescript-eslint/parser": "8.50.0",
         "babel-plugin-react-compiler": "19.1.0-rc.3",
         "babel-preset-expo": "54.0.8",
         "dotenv-cli": "11.0.0",
-        "eslint-config-expo": "10.0.0",
-        "eslint-plugin-prettier": "5.5.4",
-        "eslint-plugin-react-compiler": "19.1.0-rc.2",
-        "eslint-plugin-unused-imports": "4.3.0",
-        "eslint": "9.39.2",
         "expo-module-scripts": "5.0.8",
         "jest-expo": "54.0.16",
         "jest": "29.7.0",
-        "prettier-eslint": "16.4.2",
-        "prettier-plugin-tailwindcss": "0.7.2",
-        "prettier": "3.7.4",
         "react-native-svg-transformer": "1.5.2",
         "ts-jest": "29.4.6",
         "ts-node": "10.9.2",

apps/launcher/eslint.config.mjs

@@ -1,12 +1,12 @@
 import '@/styles/global.css';
 
+import { Stack } from 'expo-router';
+import { StatusBar } from 'expo-status-bar';
+import { GestureHandlerRootView } from 'react-native-gesture-handler';
 import { useColorScheme } from '@/hooks/use-color-scheme';
 import { useTheme } from '@/hooks/use-theme';
 import { ProvidersRegistry } from '@/providers/registry';
 import { TAILWIND_THEME } from '@/styles/theme';
-import { Stack } from 'expo-router';
-import { StatusBar } from 'expo-status-bar';
-import { GestureHandlerRootView } from 'react-native-gesture-handler';
 
 export default function Layout() {
     const { theme } = useTheme();

apps/launcher/package.json

@@ -1,6 +1,6 @@
-import { useEffect, useState, useCallback } from 'react';
-import { Appearance } from 'react-native';
 import _ from 'lodash';
+import { useCallback, useEffect, useState } from 'react';
+import { Appearance } from 'react-native';
 
 export function useColorScheme(delay = 250) {
     const [colorScheme, setColorScheme] = useState(Appearance.getColorScheme());
@@ -14,7 +14,7 @@ export function useColorScheme(delay = 250) {
             delay,
             { leading: false }
         ),
-        [delay, setColorScheme]
+        []
     );
 
     useEffect(() => {

apps/launcher/src/app/_layout.tsx

@@ -1,11 +1,11 @@
-import i18next from '@/utils/i18n';
 import type { Theme } from '@react-navigation/native';
 import { ThemeProvider } from '@react-navigation/native';
 import { MutationCache, QueryCache, QueryClient, QueryClientProvider } from '@tanstack/react-query';
 import type { ReactNode } from 'react';
 import { I18nextProvider } from 'react-i18next';
 import { KeyboardProvider } from 'react-native-keyboard-controller';
-import { SafeAreaProvider, initialWindowMetrics } from 'react-native-safe-area-context';
+import { initialWindowMetrics, SafeAreaProvider } from 'react-native-safe-area-context';
+import i18next from '@/utils/i18n';
 import SplashProvider from './splash-provider';
 
 const queryClient = new QueryClient({

apps/launcher/src/hooks/use-color-scheme.tsx

@@ -1,11 +1,11 @@
-import { useColorScheme } from '@/hooks/use-color-scheme';
-import { cn } from '@/utils/cn';
 import { useFonts } from 'expo-font';
 import * as SplashScreen from 'expo-splash-screen';
 import type { ReactNode } from 'react';
 import { useEffect, useState } from 'react';
 import { Text, View } from 'react-native';
 import { SafeAreaView } from 'react-native-safe-area-context';
+import { useColorScheme } from '@/hooks/use-color-scheme';
+import { cn } from '@/utils/cn';
 
 SplashScreen.preventAutoHideAsync();
 SplashScreen.setOptions({
@@ -43,9 +43,7 @@ export default function SplashProvider({ children }: { children: ReactNode }) {
                 )}
             >
                 <SafeAreaView className="flex-1 select-none items-center justify-center gap-6">
-                    <Text className="text-center">
-                        <>{loadingState ? ` ${loadingState}` : ''}...</>
-                    </Text>
+                    <Text className="text-center">{loadingState ? ` ${loadingState}` : ''}...</Text>
                 </SafeAreaView>
             </View>
 

apps/launcher/src/providers/registry.tsx

@@ -1,8 +1,9 @@
 /* eslint-disable import/no-unresolved */
-import english from '@/i18n/en.json';
+
 import { getLocales } from 'expo-localization';
 import i18n from 'i18next';
 import { initReactI18next } from 'react-i18next';
+import english from '@/i18n/en.json';
 
 export type i18nKey = keyof typeof english;
 

apps/launcher/src/providers/splash-provider.tsx

@@ -1,35 +1,35 @@
 {
-	"$schema": "https://json.schemastore.org/tsconfig",
-	"extends": "../../tsconfig.json",
-	"compilerOptions": {
-		"baseUrl": "./",
-		"composite": true,
-		"jsx": "react-native",
-		"outDir": "./dist",
-		"tsBuildInfoFile": ".tsbuildinfo",
-		"typeRoots": ["./src/@types"],
-		"types": ["nativewind/types"],
-		"paths": {
-			"*": ["*", "./src/@types/*"],
+    "$schema": "https://json.schemastore.org/tsconfig",
+    "extends": "../../tsconfig.json",
+    "compilerOptions": {
+        "baseUrl": "./",
+        "composite": true,
+        "jsx": "react-native",
+        "outDir": "./dist",
+        "tsBuildInfoFile": ".tsbuildinfo",
+        "typeRoots": ["./src/@types"],
+        "types": ["nativewind/types"],
+        "paths": {
+            "*": ["*", "./src/@types/*"],
 
-			"~/*": ["src/*"],
-			"~/assets/*": ["./assets/*"],
-			"~/utils/*": ["src/utils/*"],
-			"~/i18n/*": ["./i18n/*"],
-			"~/providers/*": ["src/providers/*"],
-			"~/pages/*": ["src/app/(root)/*"],
-			"~/hooks/*": ["src/hooks/*"],
-			"~/styles/*": ["src/styles/*"]
-		}
-	},
-	"exclude": ["dist"],
-	"include": [
-		"./index.ts",
-		"src",
-		"src/@types",
-		"i18n/*.json",
-		".expo/types/**/*.ts",
-		"expo-env.d.ts",
-		"nativewind-env.d.ts"
-	]
+            "~/*": ["src/*"],
+            "~/assets/*": ["./assets/*"],
+            "~/utils/*": ["src/utils/*"],
+            "~/i18n/*": ["./i18n/*"],
+            "~/providers/*": ["src/providers/*"],
+            "~/pages/*": ["src/app/(root)/*"],
+            "~/hooks/*": ["src/hooks/*"],
+            "~/styles/*": ["src/styles/*"]
+        }
+    },
+    "exclude": ["dist"],
+    "include": [
+        "./index.ts",
+        "src",
+        "src/@types",
+        "i18n/*.json",
+        ".expo/types/**/*.ts",
+        "expo-env.d.ts",
+        "nativewind-env.d.ts"
+    ]
 }