.eslintrc.json

{
  "env": {
    "browser": true,
    "commonjs": true,
    "es2021": true,
    "jest": true
  },
  "extends": ["airbnb-base", "airbnb-typescript/base", "prettier"],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": "tsconfig.json",
    "ecmaVersion": 12
  },
  "plugins": ["@typescript-eslint", "prettier"],
  "rules": {
    "import/no-extraneous-dependencies": [
      "error",
      {
        "devDependencies": ["**/*.test.ts", "**/*.test.tsx"]
      }
    ],
    "no-empty-pattern": 0,
    "no-unused-expressions": 0,
    "@typescript-eslint/no-unused-expressions": 0,
    "prettier/prettier": ["error"],
    "semi": [2, "never"],
    "no-console": 0,
    "import/extensions": [
      "error",
      "ignorePackages",
      {
        "js": "never",
        "jsx": "never",
        "ts": "never",
        "tsx": "never",
        "mjs": "never"
      }
    ],
    // we use 2 spaces to indent our code
    "indent": ["error", 2],
    // we want to avoid extraneous spaces
    "no-multi-spaces": ["error"]
  },
  "settings": {
    "import/extensions": [".js", ".jsx", ".ts", ".tsx"],
    "import/parsers": {
      "@typescript-eslint/parser": [".ts", ".tsx"]
    },
    "import/resolver": {
      "node": {
        "extensions": [".js", ".jsx", ".ts", ".tsx"]
      }
    }
  }
}