.eslintrc.json

{
  "env": {
    "browser": true,
    "node": true,
    "es6": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:react/recommended",
    "plugin:react-hooks/recommended",
    "plugin:prettier/recommended",
    "plugin:import/recommended",
    "plugin:import/typescript",
    "plugin:jsx-a11y/recommended"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaFeatures": {
        "jsx": true
    },
    "ecmaVersion": "latest",
    "sourceType": "module"
  },
  "plugins": [
    "@typescript-eslint/eslint-plugin",
    "simple-import-sort",
    "react",
    "react-hooks",
    "prettier",
    "jsx-a11y",
    "import"
  ],
  "rules": {                                          // 0: off 1: warn 2: error 로 표기 가능
    "@typescript-eslint/no-inferrable-types": "error",
    "indent": ["error", 2, { "SwitchCase": 1 }],
    "quotes": ["error", "double"],
    "semi": ["error", "always"],
    "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"],
    "no-tabs": ["error", { "allowIndentationTabs": true }],
    "react-hooks/rules-of-hooks": "error",
    "react/react-in-jsx-scope": "off",
    "simple-import-sort/imports": "error",
    "simple-import-sort/exports": "error"
  },
  "settings": {
    "import/resolver": {
      "node": {
        "moduleDirectory": ["node_modules", "src/"],
        "extensions": [".js", ".jsx", ".ts", ".tsx"]
      }
    },
    "react": {
        "version": "detect"
    }
  }
}