.eslintrc.json

{
    "root": true,
    "extends": [
        "eslint:recommended",
        "plugin:prettier/recommended",
        "plugin:react/recommended",
        "plugin:@typescript-eslint/eslint-recommended",
        "plugin:@typescript-eslint/recommended",
        "plugin:json/recommended",
        "prettier",
        "next/core-web-vitals"
    ],
    "parser": "@typescript-eslint/parser",
    "env": {
        "browser": true,
        "es6": true,
        "jest": true
    },
    "parserOptions": {
        "ecmaVersion": 2020,
        "sourceType": "module",
        "ecmaFeatures": {
            "jsx": true,
            "arrowFunctions": true
        }
    },
    "plugins": [
        "react",
        "@typescript-eslint",
        "prettier",
        "jest"
    ],
    "settings": {
        "react": {
            "version": "detect"
        },
        "import/resolver": {
            "node": {
                "extensions": [
                    ".js",
                    ".jsx",
                    ".ts",
                    ".tsx"
                ],
                "paths": [
                    "./src"
                ]
            }
        }
    },
    "ignorePatterns": [
        "node_modules/",
        "build/",
        "src/serviceWorker.ts",
        "tsconfig.json"
    ],
    "rules": {
        "no-trailing-spaces": "error",
        "comma-dangle": [
            "error",
            {
                "arrays": "always-multiline",
                "objects": "always-multiline",
                "imports": "always-multiline",
                "exports": "always-multiline",
                "functions": "never"
            }
        ],
        "prettier/prettier": [
            "error",
            {
                "semi": true,
                "printWidth": 140,
                "tabWidth": 4,
                "singleQuote": false,
                "bracketSpacing": true,
                "jsxBracketSameLine": false,
                "useTabs": false,
                "arrowParens": "avoid",
                "jsxSingleQuote": false,
                "endOfLine": "auto"
            }
        ],
        "function-paren-newline": "off",
        "global-require": "error",
        "import/no-dynamic-require": "off",
        "no-inner-declarations": "off",
        "class-methods-use-this": "off",
        "import/extensions": "off",
        "import/prefer-default-export": "off",
        "@typescript-eslint/no-empty-function": "warn",
        "@typescript-eslint/explicit-function-return-type": "error",
        "@typescript-eslint/no-var-requires": "off",
        "no-multiple-empty-lines": [
            "error"
        ],
        "@typescript-eslint/no-unused-vars": [
            "error"
        ]
    }
}