Expo prettier/eslint setup

.eslintrc.js

module.exports = {
  extends: ["expo", "prettier"],
  plugins: ["prettier"],
  rules: {
    "prettier/prettier": "error",
  },
};

.gitignore

# Learn more https://docs.github.com/en/get-started/getting-started-with-git/ignoring-files

# dependencies
node_modules/

# Expo
.expo/
dist/
web-build/
expo-env.d.ts

# Native
*.orig.*
*.jks
*.p8
*.p12
*.key
*.mobileprovision

# Metro
.metro-health-check*

# debug
npm-debug.*
yarn-debug.*
yarn-error.*

# macOS
.DS_Store
*.pem

# local env files
.env*
!.env.example

# typescript
*.tsbuildinfo

app-example

# build folders
android
ios

# keys
google-services.json

.prettierrc

{
  "trailingComma": "es5",
  "useTabs": false,
  "tabWidth": 2,
  "semi": true,
  "printWidth": 100,
  "bracketSpacing": true,
  "bracketSameLine": false,
  "endOfLine": "auto",
  "importOrder": [
    "^expo(.*)$",
    "^(react|react-native)$",
    "<THIRD_PARTY_MODULES>",
    "^@/(.*)$",
    "^[./]"
  ],
  "importOrderSeparation": false,
  "importOrderSortSpecifiers": true,
  "plugins": ["@trivago/prettier-plugin-sort-imports"]
}

tsconfig.json

{
  "extends": "expo/tsconfig.base",
  "compilerOptions": {
    "strict": true,
    "paths": {
      "@/*": [
        "./*"
      ]
    }
  },
  "include": [
    "**/*.ts",
    "**/*.tsx",
    ".expo/types/**/*.ts",
    "expo-env.d.ts"
  ]
}

npm i -D prettier eslint-config-prettier eslint-plugin-prettier @trivago/prettier-plugin-sort-imports