.eslintrc.json

{
  "root": true,
  "env": {
    "browser": true,
    "node": true,
    "es6": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:react/jsx-runtime",
    "next/core-web-vitals",
    "prettier"
  ],
  "rules": {
    "eqeqeq": ["error", "always"],
    "yoda": ["error", "never", { "exceptRange": true }],
    "spaced-comment": [
      "error",
      "always",
      {
        "line": { "markers": ["/"] },
        "block": { "balanced": true }
      }
    ],
    "require-await": "error",
    "prefer-const": "error",
    "prefer-arrow-callback": "error",
    "prefer-template": "warn",
    "array-callback-return": ["error", { "checkForEach": true }],
    "no-duplicate-imports": ["error", { "includeExports": true }],
    "no-var": "error",
    "no-use-before-define": "error",
    "no-constructor-return": "error",
    "no-self-compare": "error",
    "no-unreachable-loop": "error",
    "no-else-return": ["error", { "allowElseIf": true }],
    "no-lonely-if": "error",
    "no-multi-assign": "error",
    "no-multi-str": "error",
    "@next/next/no-img-element": "off"
  },
  "overrides": [
    {
      "files": ["**/*.ts", "**/*.tsx"],
      "extends": [
        "eslint:recommended",
        "plugin:react/recommended",
        "plugin:react/jsx-runtime",
        "plugin:@typescript-eslint/recommended",
        "next/core-web-vitals",
        "prettier"
      ],
      "rules": {
        "@next/next/no-img-element": "off",
        "no-use-before-define": "off",
        "@typescript-eslint/no-use-before-define": "error"
      }
    }
  ]
}