.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es2021: true,
  },
  extends: [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:@typescript-eslint/recommended",
    "prettier",
  ],
  ignorePatterns: [
    ".eslintrc.js",
    "gatsby-config.js",
    "gatsby-node.js",
    "build/",
    "public/",
    "src/generated/",
  ],
  parser: "@typescript-eslint/parser",
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: "latest",
    sourceType: "module",
  },
  plugins: ["prettier", "react", "@typescript-eslint"],
  rules: {
    indent: ["error", 2, { SwitchCase: 1 }],
    "linebreak-style": ["error", "unix"],
    "prettier/prettier": "error",
    quotes: ["error", "double"],
    semi: ["error", "always"],
  },
  settings: {
    react: {
      version: "detect",
    },
  },
};