.eslintrc.json

{
  "env": {
    "es6": true,
    "browser": true,
    "mocha": true,
    "node": true,
    "jest": true
  },
  "parser": "babel-eslint",
  "root": true,
  "extends": [
    "./.eslintrc-base.json",
    "plugin:import/typescript",
    "plugin:jsx-a11y/recommended",
    "prettier"
  ],
  "plugins": [
    "react",
    "import",
    "prefer-object-spread",
    "react-hooks",
    "jsx-a11y",
    "jest-dom",
    "testing-library"
  ],
  "globals": {
    "Promise": true,
    "window": true,
    "$": true,
    "ga": true,
    "jQuery": true,
    "router": true
  },
  "settings": {
    "react": {
      "version": "16.4.2",
      "import/ignore": ["\\.json$"],
      "import/extensions": [".js", ".jsx", ".tsx", ".ts"]
    },
    "import/ignore": ["node_modules"]
  },
  "overrides": [
    {
      "files": ["**/*.ts?(x)"],
      "parser": "@typescript-eslint/parser",
      "parserOptions": {
        "project": [
          "./client/tsconfig.json",
          "./tools/challenge-helper-scripts/tsconfig.json",
          "./tools/ui-components/tsconfig.json"
        ]
      },
      "extends": [
        "plugin:@typescript-eslint/recommended",
        "plugin:@typescript-eslint/recommended-requiring-type-checking"
      ],
      "plugins": ["@typescript-eslint"]
    },
    {
      "files": [
        "./tools/ui-components/**/*.test.[jt]s?(x)",
        "./client/**/*.test.[jt]s?(x)"
      ],
      "extends": ["plugin:testing-library/react", "plugin:jest-dom/recommended"]
    },
    {
      "files": ["cypress/**/*.js"],
      "globals": {
        "cy": true,
        "Cypress": true
      }
    }
  ]
}