.eslintrc.json

{
  "plugins": [
    "prettier",
    "@typescript-eslint",
    "react-hook-form",
    "jest-dom",
    "testing-library"
  ],
  "extends": [
    "airbnb-typescript",
    "react-app",
    "prettier",
    "plugin:react-hook-form/recommended",
    "plugin:jest-dom/recommended",
    "plugin:testing-library/react"
  ],
  "rules": {
    "prettier/prettier": "error",
    "react-hooks/rules-of-hooks": "error",
    "no-multiple-empty-lines": ["error", { "max": 1, "maxEOF": 0 }],
    "comma-dangle": ["error", "always-multiline"],
    "object-curly-spacing": ["error", "always"],
    "space-in-parens": ["error", "never"],
    "computed-property-spacing": ["error", "never"],
    "comma-spacing": ["error", { "before": false, "after": true }],
    "eol-last": ["error", "always"],
    "import/no-anonymous-default-export": 0,
    "object-shorthand": "error",
    "padding-line-between-statements": [
      "error",
      { "blankLine": "always", "prev": "*", "next": "return" }
    ],
    "@typescript-eslint/no-redeclare": 0,
    "@typescript-eslint/semi": ["off"],
    "@typescript-eslint/no-unused-vars": [
      "warn",
      {
        "vars": "all",
        "args": "none"
      }
    ],
    "react/jsx-key": "error",
    "no-shadow": "off",
    "@typescript-eslint/no-shadow": "off",
    //devDependencies 가 false면 devDependencies에서 라이브러리를 가져올 때 error가 표시된다
    "import/no-extraneous-dependencies": [
      "error",
      {
        "devDependencies": true
      }
    ]
  },
  "parserOptions": {
    "project": "./tsconfig.json"
  },
  "env": {
    "jest": true
  }
}