.eslintrc.json

{
    "extends": [
        // "airbnb-base"
        "eslint:recommended"
    ],

    "parserOptions": {
        "ecmaVersion": 9,
        "sourceType": "module"
    },

    "globals": {
        "window": "readonly",
        "btoa": "readonly",
        "atob": "readonly"
    },
    "env": {
        "es6": true,
        "browser": true,
        "mocha": true
    },
    "plugins": [
        "import"
    ],
    "rules": {
        "no-unused-vars": ["error", {"args": "none"}],
        "prefer-spread": "off",
        "no-restricted-syntax": "off",
        "consistent-return": "off",
        "object-curly-newline": "off",
        "prefer-template": "off",
        "no-plusplus": "off",
        "no-continue": "off",
        "no-bitwise": "off",
        "no-await-in-loop": "off",
        "no-sequences": "warn",
        "no-param-reassign": "warn",
        "no-return-assign": "warn",
        "no-else-return": ["error", { "allowElseIf": true }],
        "no-shadow": "off",
        "no-undef": "error",
        "arrow-body-style": "off",
        "space-before-function-paren": "off",
        "operator-linebreak": "off",
        "implicit-arrow-linebreak": "off",
        "no-underscore-dangle": "off",
        "import/no-unresolved": ["error", {
            "ignore": ["^react$", "ttag", ".data"]
        }],
        "import/prefer-default-export": "off",
        "import/no-extraneous-dependencies": "off",
        "import/no-unassigned-import": "error",
        "import/named": "error",
        "import/extensions": "error",
        "max-len": ["error", {
            "ignoreComments": true,
            "code": 120,
            "ignoreStrings": true,
            "ignoreTemplateLiterals": true,
            "ignoreRegExpLiterals": true
        }],
        "no-multiple-empty-lines": ["error"],
        "no-trailing-spaces": ["error"],
        "eol-last": ["error"],
        "padded-blocks": "off",
        "max-classes-per-file": "off",
        "no-empty": "off"
    }
}