.eslintrc

{
  "parser": "@typescript-eslint/parser",
  "extends": [
    "eslint:recommended",
    "prettier",
    "plugin:@typescript-eslint/recommended"
  ],
  "plugins": [
    "import",
    "jsx-a11y",
    "@typescript-eslint"
  ],
  "env": {
    "node": true,
    "browser": true
  },
  "parserOptions": {
    "ecmaVersion": 2020,
    "sourceType": "module",
    "ecmaFeatures": {
      "legacyDecorators": true,
      "jsx": true
    }
  },
  "settings": {
    "react": {
      "version": "17"
    }
  },
  "rules": {
    "space-before-function-paren": 0,
    "react/prop-types": 0,
    "react/jsx-handler-names": 0,
    "react/jsx-fragments": 0,
    "react/no-unused-prop-types": 0,
    "import/export": 0,
    "no-unused-vars": "off",
    "@typescript-eslint/no-unused-vars": [
      "error",
      {
        "argsIgnorePattern": "^_",
        "varsIgnorePattern": "^_",
        "caughtErrorsIgnorePattern": "^_"
      }
    ],
    // disable the rule for all files
    "@typescript-eslint/explicit-function-return-type": "off",
    // enum error
    // "@typescript-eslint/no-use-before-define": "off",
    // note you must disable the base rule as it can report incorrect errors
    "no-use-before-define": "off"
  },
  "overrides": [
    {
      // enable the rule specifically for TypeScript files
      "files": [
        "*.ts",
        "*.tsx"
      ],
      "rules": {
        "@typescript-eslint/explicit-function-return-type": [
          "error",
          {
            "allowExpressions": true,
            "allowTypedFunctionExpressions": true
          }
        ]
      }
    }
  ]
}