.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true
  },
  "ignorePatterns": ["**.*.js"],
  "extends": [
    "plugin:react/recommended",
    "airbnb",
    "airbnb/hooks",
    "airbnb-typescript",
    "plugin:import/recommended",
    "plugin:import/typescript",
    // Prettier should be at last to avoid formatting and linting conflicts
    "prettier"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": "./tsconfig.json",
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": "latest",
    "sourceType": "module"
  },
  "plugins": ["react", "@typescript-eslint", "simple-import-sort"],
  "rules": {
    // Required for auto-sorting imports
    "simple-import-sort/imports": "error",
    "simple-import-sort/exports": "error",
    // Can be safely turned off after React v17+
    "react/react-in-jsx-scope": "off",
    // Industry standards
    "arrow-body-style": "off",
    "react/jsx-props-no-spreading": "off",
    "import/prefer-default-export": "off",
    "react/function-component-definition": [
      2,
      {
        "namedComponents": "arrow-function",
        "unnamedComponents": "arrow-function"
      }
    ],
    "no-nested-ternary": "off",
    "react/require-default-props": "off",
    "react/no-unescaped-entities": "warn",
    "react/no-array-index-key": "warn",
    "no-underscore-dangle": "off",
    "react/prop-types": "off",
    // Firn specific rules, mainly for crypto operations
    "no-bitwise": "off",
    "no-plusplus": "off"
  },
  "settings": {
    "import/resolver": {
      "typescript": true,
      "node": true
    }
  }
}