.eslintrc.json

{
  "root": true,
  "env": {
    "browser": true,
    "es6": true,
    "node": true
  },
  "extends": ["eslint:recommended", "plugin:prettier/recommended"],
  "globals": {
    "Atomics": "readonly",
    "SharedArrayBuffer": "readonly"
  },
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": 2020,
    "sourceType": "module"
  },
  "ignorePatterns": ["dist/*"],
  "overrides": [
    {
      "files": ["*.ts", "*.tsx"],
      "parser": "@typescript-eslint/parser",
      "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/recommended",
        "plugin:@typescript-eslint/recommended-requiring-type-checking",
        "plugin:jsx-a11y/recommended",
        "plugin:import/errors",
        "plugin:import/warnings",
        "plugin:import/typescript",
        "plugin:jest/recommended",
        "plugin:jest/style",
        "plugin:testing-library/dom",
        "plugin:jest-dom/recommended",
        "plugin:json/recommended",
        "plugin:eslint-comments/recommended",
        "plugin:prettier/recommended"
      ],
      "rules": {
        "@typescript-eslint/explicit-function-return-type": [
          "warn",
          {
            "allowExpressions": true
          }
        ],
        "react/jsx-uses-react": "off",
        "react/react-in-jsx-scope": "off"
      },
      "parserOptions": {
        "sourceType": "module",
        "ecmaFeatures": {
          "impliedStrict": true,
          "jsx": true
        },
        "ecmaVersion": 2020,
        "project": "./tsconfig.json"
      },
      "settings": {
        "import/parsers": {
          "@typescript-eslint/parser": [".ts", ".tsx"]
        },
        "import/resolver": {
          // "node": {},
          "typescript": {}
        }
      },
      "env": {
        "es2020": true,
        "browser": true,
        "jest": true
      }
    }
  ]
}