.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true
  },
  "extends": [
    "plugin:react/recommended",
    "airbnb",
    "plugin:@typescript-eslint/recommended",
    "plugin:prettier/recommended"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": 12,
    "sourceType": "module",
    "project": "./tsconfig.json"
  },
  "plugins": [
    "react",
    "@typescript-eslint",
    "react-hooks",
    "prettier",
    "unused-imports",
    "eslint-plugin-import-helpers"
  ],
  "rules": {
    // ESlint mostra erro caso as regras do Prettier forem violadas
    "prettier/prettier": "error",
    "react-hooks/rules-of-hooks": "error", // Verifica as regras dos Hooks
    "react-hooks/exhaustive-deps": "warn", // Verifica as dependências de effects
    "react/jsx-filename-extension": [1, { "extensions": [".tsx"] }],
    "import/prefer-default-export": "off",
    "react/jsx-props-no-spreading": "off",
    "func-names": "off",
    "no-nested-ternary": "off",
    "jsx-a11y/anchor-is-valid": [ "error", {
      "components": [ "Link" ],
      "specialLink": ["hrefLeft", "hrefRight"],
      "aspects": ["invalidHref", "preferButton"]
    }],
    "no-plusplus": ["error", { "allowForLoopAfterthoughts": true }],
    "dot-notation": "off",
    // caso tenha algum aviso na importação do React ou variável/constante
    "no-use-before-define": "off",
    // para que as importações de arquivos .tsx não precise da extensão
    "import/extensions": [
      "error",
      "ignorePackages",
      {
        "ts": "never",
        "tsx": "never"
      }
    ],
    "react/function-component-definition": [
      2, {
        "namedComponents": ["function-declaration", "function-expression", "arrow-function"],
        "unnamedComponents": ["function-expression", "arrow-function"]
      }
    ],
    "import-helpers/order-imports": [
      "warn",
      {
        "newlinesBetween": "always",
        "groups": [
          "/^react/",
          "/^next/",
          "module",
          "/^@components/",
          "/^@pages/",
          "/^@assets/",
          "/^@styles/",
          "/^@services/",
          "/^@hooks/",
          "/^@utils/",
          ["parent", "sibling", "index"]
        ],
        "alphabetize": { "order": "asc", "ignoreCase": true }
      }
    ],
    "no-unused-vars": "off",
    "unused-imports/no-unused-imports": "error",
    "unused-imports/no-unused-vars": [
      "warn",
      {
        "vars": "all",
        "varsIgnorePattern": "^_",
        "args": "after-used",
        "argsIgnorePattern": "^_"
      }
    ]
  },
  // para o React entender arquivos Typescript nas importações
  "settings": {
    "import/resolver": {
      "typescript": {}
    }
  }
}