.eslintrc

{
  "env": {
    "browser": true,
    "es6": true
  },
  "extends": ["fbjs", "plugin:prettier/recommended"],
  "parser": "babel-eslint",
  "parserOptions": {
    "sourceType": "module"
  },
  "plugins": ["prettier", "jsx-a11y", "react"],
  "settings": {
    "react": {
      "version": "16.2"
    }
  },
  "overrides": [
    {
      "files": ["**/*.ts", "**/*.tsx"],
      "env": {"browser": true, "es6": true, "node": true},
      "extends": [
        "eslint:recommended",
        "plugin:react/recommended",
        "plugin:@typescript-eslint/eslint-recommended",
        "plugin:@typescript-eslint/recommended"
      ],
      "parserOptions": {
        "ecmaFeatures": { "jsx": true },
        "ecmaVersion": 2018,
        "sourceType": "module",
        "project": "./tsconfig.json"
      },
      "parser": "@typescript-eslint/parser",
      "plugins": ["react", "@typescript-eslint"]
    }
  ]
}