.eslintrc.json

{
  "root": true,
  "env": {
    "browser": true,
    "es2021": true
  },
  "extends": ["next/core-web-vitals", "eslint:recommended", "prettier"],
  "parserOptions": {
    "ecmaVersion": 12,
    "sourceType": "module"
  },
  "settings": {
    "import/resolver": {
      "node": {
        "extensions": [".js", ".jsx", ".ts", ".tsx"]
      }
    }
  },
  "rules": {
    "array-bracket-spacing": ["error", "never"],
    "block-spacing": ["error", "always"],
    "comma-spacing": [
      "error",
      {
        "before": false,
        "after": true
      }
    ],
    "eol-last": ["error", "always"],
    "indent": [
      "error",
      2,
      {
        "SwitchCase": 1
      }
    ],
    "jsx-quotes": ["error", "prefer-double"],
    "linebreak-style": ["error", "unix"],
    "no-alert": "error",
    "no-console": "error",
    "no-eval": "error",
    "no-implied-eval": "error",
    "no-template-curly-in-string": "error",
    "no-useless-concat": "error",
    "object-curly-spacing": ["error", "always"],
    "quotes": ["error", "single"],
    "space-before-function-paren": [
      "error",
      {
        "anonymous": "always",
        "named": "never",
        "asyncArrow": "always"
      }
    ],
    "space-in-parens": ["error", "never"],
    "spaced-comment": ["error", "always"]
  },
  "overrides": [
    {
      "files": ["*.md"],
      "parser": "eslint-plugin-markdownlint/parser",
      "extends": ["plugin:markdownlint/recommended"],
      "rules": {
        "markdownlint/md013": "off",
        "markdownlint/md033": "off"
      }
    }
  ]
}