.eslintrc.json

{
    "env": {
        "browser": true,
        "es6": true,
        "mocha": true,
        "node": true
    },
    "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/eslint-recommended"
    ],
    "globals": {
        "Atomics": "readonly",
        "SharedArrayBuffer": "readonly"
    },
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "ecmaFeatures": {
            "jsx": true
        },
        "ecmaVersion": 2018,
        "sourceType": "module"
    },
    "plugins": [
        "react",
        "@typescript-eslint"
    ],
    "rules": {
        "comma-dangle": "off",
        "@typescript-eslint/comma-dangle": [
            "error",
            "always-multiline"
        ],
        "no-inner-declarations": [
            "off"
        ],
        "no-mixed-spaces-and-tabs": [
            "off"
        ],
        "no-prototype-builtins": [
            "off"
        ],
        "indent": [
            "error",
            4,
            {
                "SwitchCase": 1
            }
        ],
        "no-unused-vars": [
            "off"
        ],
        "prefer-spread": [
            "off"
        ],
        "quote-props": [
            "error",
            "consistent-as-needed"
        ],
        "quotes": [
            "error",
            "single"
        ],
        "semi": [
            "error",
            "always"
        ]
    }
}