.eslintrc.json

{
  "extends": [
    "airbnb",
    "airbnb-typescript",
    "airbnb/hooks",
    "next/core-web-vitals",
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking",
    "prettier"
  ],
  "plugins": ["simple-import-sort"],
  "root": true,
  "parserOptions": {
    "project": "./tsconfig.json"
  },
  "rules": {
    "camelcase": "off",
    "no-console": ["error", { "allow": ["warn", "error"] }],
    "no-implicit-globals": "error",
    "yoda": ["error", "never"],
    // next
    "@next/next/no-img-element": "off",
    // import
    "import/prefer-default-export": "off",
    "import/no-default-export": "error",
    // react
    "react/jsx-props-no-spreading": "off",
    "react/jsx-sort-props": [
      "error",
      {
        "callbacksLast": true,
        "shorthandLast": true,
        "reservedFirst": true
      }
    ],
    "react/require-default-props": "off",
    // simple-import-sort
    "simple-import-sort/imports": "error",
    "simple-import-sort/exports": "error",
    // typescript
    "@typescript-eslint/array-type": ["error", { "default": "array" }],
    "@typescript-eslint/consistent-type-imports": [
      "error",
      { "prefer": "type-imports" }
    ],
    "@typescript-eslint/explicit-function-return-type": "error",
    "@typescript-eslint/member-delimiter-style": [
      "error",
      {
        "multiline": {
          "delimiter": "semi",
          "requireLast": true
        }
      }
    ],
    "@typescript-eslint/method-signature-style": ["error", "property"],
    "@typescript-eslint/naming-convention": [
      "error",
      {
        "selector": "default",
        "format": ["camelCase"]
      },
      {
        "selector": "function",
        "format": ["camelCase", "PascalCase"]
      },
      {
        "selector": "variable",
        "format": ["camelCase", "UPPER_CASE", "PascalCase", "snake_case"]
      },
      {
        "selector": "parameter",
        "format": ["camelCase", "PascalCase", "snake_case"],
        "leadingUnderscore": "allow"
      },
      {
        "selector": "memberLike",
        "modifiers": ["private"],
        "format": ["camelCase"],
        "leadingUnderscore": "require"
      },
      {
        "selector": "typeLike",
        "format": ["PascalCase"]
      },
      {
        "selector": "typeProperty",
        "format": ["camelCase", "PascalCase", "snake_case", "UPPER_CASE"]
      },
      {
        "selector": "objectLiteralProperty",
        "format": ["camelCase", "snake_case", "PascalCase"]
      },
      {
        "selector": "enumMember",
        "format": ["PascalCase"]
      },
      {
        "selector": [
          "classProperty",
          "objectLiteralProperty",
          "typeProperty",
          "classMethod",
          "objectLiteralMethod",
          "typeMethod",
          "accessor",
          "enumMember"
        ],
        "format": null,
        "modifiers": ["requiresQuotes"]
      }
    ],
    "@typescript-eslint/no-confusing-non-null-assertion": "error",
    "@typescript-eslint/no-confusing-void-expression": "error",
    "@typescript-eslint/no-dynamic-delete": "error",
    "@typescript-eslint/no-invalid-void-type": "error",
    "@typescript-eslint/no-meaningless-void-operator": "error",
    "@typescript-eslint/no-non-null-asserted-nullish-coalescing": "error",
    "@typescript-eslint/no-unnecessary-boolean-literal-compare": "error",
    "@typescript-eslint/no-unnecessary-condition": "error",
    "@typescript-eslint/prefer-includes": "error",
    "@typescript-eslint/prefer-nullish-coalescing": "error",
    "@typescript-eslint/prefer-optional-chain": "error",
    "@typescript-eslint/prefer-reduce-type-parameter": "error",
    "@typescript-eslint/prefer-string-starts-ends-with": "error",
    "@typescript-eslint/prefer-ts-expect-error": "error",
    "@typescript-eslint/promise-function-async": "error",
    "@typescript-eslint/require-array-sort-compare": [
      "error",
      { "ignoreStringArrays": true }
    ],
    "@typescript-eslint/sort-type-union-intersection-members": "error",
    "@typescript-eslint/no-misused-promises": [
      "error",
      {
        "checksVoidReturn": false
      }
    ]
  },
  "overrides": [
    {
      // requires default exports for next pages
      "files": ["pages/**/*"],
      "rules": {
        // import
        "import/prefer-default-export": "error",
        "import/no-default-export": "off"
      }
    }
  ]
}