.eslintrc.json

{
  "env": {
    "es6": true,
    "node": true,
    "browser": true,
    "amd": true
  },
  "parserOptions": {
    "ecmaVersion": 2018,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "settings": {
    "react": {
      "version": "detect"
    }
  },
  "overrides": [
    {
      "files": ["**/*.spec.ts", "**/*.spec.tsx"],
      "env": {
        "jest": true
      }
    },
    {
      "extends": ["plugin:json/recommended"],
      "files": ["*.json"]
    },
    {
      "extends": ["eslint-config-prettier", "./.eslintrc.js.json"],
      "files": ["*.js", "*.jsx"],
      "plugins": ["import", "jest"]
    },
    {
      "extends": ["eslint-config-prettier", "./.eslintrc.js.json"],
      "files": ["*.ts", "*.tsx"],
      "parser": "@typescript-eslint/parser",
      "plugins": ["@typescript-eslint", "import", "jest"],
      "parserOptions": {
        "project": ["packages/iconset-react/tsconfig.json", "packages/iconset-web-component/tsconfig.json"]
      }
    }
  ]
}