.eslintrc.json

{
  "extends": "next/core-web-vitals",
  "env": {
    "browser": true,
    "es6": true
  },
  "parserOptions": {
    "ecmaFeatures": {
        "jsx": true
    },
    "ecmaVersion": 2018,
    "sourceType": "module"
  },
  "plugins": [
    "react"
  ],
  "rules": {
    "arrow-parens": ["error", "always"],
    "arrow-spacing": ["error", { "before": true, "after": true }],
    "arrow-body-style": ["error", "always"],
    "array-bracket-spacing": ["error", "always"],
    "block-spacing": ["error", "always"],
    "brace-style": ["error"],
    "curly": ["error", "all"],
    "dot-notation": "error",
    "eqeqeq": ["error", "smart"],
    "indent": ["error", 2],
    "jsx-quotes": ["error", "prefer-single"],
    "max-len": ["warn", {"code": 100, "tabWidth": 2}],
    "no-nested-ternary": "error",
    "no-sequences": ["error", { "allowInParentheses": false }],
    "no-unneeded-ternary": "error",
    "no-var": "error",
    "object-curly-spacing": ["error", "always"],
    "prefer-arrow-callback": "error",
    "prefer-const": ["error", { "destructuring": "all" }],
    "quotes": ["error", "single", { "avoidEscape": true }],
    "semi": ["error", "never"],
    "space-in-parens": ["error", "always", { "exceptions": ["{}", "()"] }]
  },
  "settings": {
    "react": {
      "version": "detect"
    }
  }
}