$npminstall--save-deveslinteslint-config-prettierprettier

{"main":"node_modules/expo/AppEntry.js","scripts":{"start":"expo start","android":"expo start --android","ios":"expo start --ios","web":"expo start --web","eject":"expo eject"},"dependencies":{"axios":"^0.21.1","expo":"~40.0.0","expo-status-bar":"~1.0.3","react":"16.13.1","react-dom":"16.13.1","react-native":"https://github.com/expo/react-native/archive/sdk-40.0.1.tar.gz","react-native-web":"~0.13.12"},"devDependencies":{"@babel/core":"~7.9.0","eslint":"^7.20.0","eslint-config-prettier":"^7.2.0","prettier":"^2.2.1"},"private":true}

$npxeslint--init

? How would you like to use ESLint? ...
  To check syntax only
  To check syntax and find problems
> To check syntax, find problems, and enforce code style

? What type of modules does your project use? ...
> JavaScript modules (import/export)
  CommonJS (require/exports)
  None of these

? Which framework does your project use? ...
> React
  Vue.js
  None of these

? Does your project use TypeScript? » No / Yes

? Where does your code run? ...  (Press <space> to select, <a> to toggle all, <i> to invert selection)
  Browser
√ Node

? How would you like to define a style for your project? ...
> Use a popular style guide
  Answer questions about your style
  Inspect your JavaScript file(s)

? Which style guide do you want to follow? ...
> Airbnb: https://github.com/airbnb/javascript
  Standard: https://github.com/standard/standard
  Google: https://github.com/google/eslint-config-google

? What format do you want your config file to be in? ...
  JavaScript
  YAML
> JSON

√ How would you like to use ESLint? · style
√ What type of modules does your project use? · esm
√ Which framework does your project use? · react
√ Does your project use TypeScript? · No / Yes
√ Where does your code run? · node
√ How would you like to define a style for your project? · guide
√ Which style guide do you want to follow? · airbnb
√ What format do you want your config file to be in? · JSON
Checking peerDependencies of eslint-config-airbnb@latest
The config that you've selected requires the following dependencies:

eslint-plugin-react@^7.21.5 eslint-config-airbnb@latest eslint@^5.16.0 || ^6.8.0 || ^7.2.0 eslint-plugin-import@^2.22.1 eslint-plugin-jsx-a11y@^6.4.1 eslint-plugin-react-hooks@^4 || ^3 || ^2.3.0 || ^1.7.0
? Would you like to install them now with npm? » No / Yes

{"main":"node_modules/expo/AppEntry.js","scripts":{"start":"expo start","android":"expo start --android","ios":"expo start --ios","web":"expo start --web","eject":"expo eject"},"dependencies":{"axios":"^0.21.1","expo":"~40.0.0","expo-status-bar":"~1.0.3","react":"16.13.1","react-dom":"16.13.1","react-native":"https://github.com/expo/react-native/archive/sdk-40.0.1.tar.gz","react-native-web":"~0.13.12"},"devDependencies":{"@babel/core":"~7.9.0","eslint":"^7.20.0","eslint-config-airbnb":"^18.2.1","eslint-config-prettier":"^7.2.0","eslint-plugin-import":"^2.22.1","eslint-plugin-jsx-a11y":"^6.4.1","eslint-plugin-react":"^7.22.0","eslint-plugin-react-hooks":"^4.2.0","prettier":"^2.2.1"},"private":true}

{"env":{"es2021":true,"node":true},"extends":["plugin:react/recommended","airbnb","eslint-config-prettier",//追加"prettier"//追加],"parserOptions":{"ecmaFeatures":{"jsx":true},"ecmaVersion":12,"sourceType":"module"},"plugins":["react"],"rules":{"import/prefer-default-export":0,//追加"no-use-before-define":0//追加}}

{/*LinterandFormatter*///linter"eslint.packageManager":"npm",//ESLintライブラリ解決時に使うパッケージマネージャ"editor.codeActionsOnSave":{"source.fixAll.eslint":true,//eslint"source.fixAll.stylelint":true//Stylelint},//formatter"editor.defaultFormatter":"esbenp.prettier-vscode",//デフォルトフォーマッターをPrettier"editor.formatOnSave":true,"editor.formatOnPaste":true,"editor.formatOnType":true,//Prettier対象外言語"prettier.disableLanguages":["markdown"]}

{
  "trailingComma": "es5",
  "tabWidth": 2,
  "semi": true,
  "singleQuote": true
}

/* eslint-disable */

/* eslint-disable-next-line */