.eslintrc

{
  "env": {
    "browser": true,
    "es6": true
  },
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": 2019,
    "sourceType": "module"
  },
  "globals": {
    "Atomics": "readonly",
    "SharedArrayBuffer": "readonly"
  },
  "extends": [
    "eslint:recommended",
    "plugin:import/errors",
    "plugin:import/warnings",
    "plugin:react/recommended",
    "plugin:react-hooks/recommended",
    "plugin:jsx-a11y/recommended",
    "prettier"
  ],
  "rules": {
    "no-unused-vars": "warn",
    "react/jsx-props-no-spreading": "off",
    "import/extensions": [
      "warn",
      "ignorePackages",
      {
        "ts": "never",
        "tsx": "never",
        "js": "never",
        "jsx": "never"
      }
    ]
  },
  "overrides": [
    {
      "files": "gatsby-*.js",
      "env": { "node": true }
    },
    {
      "files": "**/*.+(ts|tsx)",
      "parser": "@typescript-eslint/parser",
      "parserOptions": {
        "project": "./tsconfig.json"
      },
      "plugins": ["@typescript-eslint"],
      "extends": [
        "plugin:@typescript-eslint/recommended",
        "eslint-config-prettier/@typescript-eslint",
        "plugin:import/typescript"
      ],
      "rules": {
        "react/prop-types": "off",
        "@typescript-eslint/explicit-function-return-type": "off"
      }
    }
  ],
  "settings": {
    "react": {
      "version": "detect",
      "linkComponents": [
        // Components used as alternatives to <a> for linking, eg. <Link to={ url } />
        "Hyperlink",
        { "name": "Link", "linkAttribute": "to" }
      ]
    },
    "import/resolver": {
      "root-import": {
        "rootPathPrefix": "src/",
        "rootPathSuffix": "src/",
        "extensions": [".js", ".ts", ".tsx", ".jsx", ".mdx"]
      }
    }
  }
}