.eslintrc.json

{
    "env": {
        "browser": true,
        "webextensions": true
    },
    "extends": [
        "plugin:jest/recommended",
        "plugin:import/recommended",
        "plugin:import/react",
        "plugin:promise/recommended",
        "standard",
        "standard-react",
        "prettier",
        "prettier/react",
        "prettier/standard"
    ],
    "settings": {
        "import/resolver": {
            "node": {
                "extensions": [".js", ".jsx"],
                "moduleDirectory": ["node_modules", "."]
            }
        }
    },
    "plugins": ["prettier", "jest", "standard", "import", "promise", "react"],
    "parser": "babel-eslint",
    "parserOptions": {
        "sourceType": "module",
        "ecmaFeatures": {
            "jsx": true
        }
    },
    "rules": {
        "comma-dangle": ["error", "always-multiline"],
        "quotes": "off",
        "no-var": "error",
        "prefer-const": "error",
        "indent": "off",
        "jest/no-disabled-tests": "off",
        "camelcase": ["error", { "properties": "never" }],
        "react/jsx-indent": "off",
        "react/jsx-indent-props": "off",
        "jsx-quotes": "off",
        "operator-linebreak": "off",
        "no-multiple-empty-lines": ["error", { "max": 2, "maxEOF": 0 }],
        "no-unused-vars": "warn",
        "space-before-function-paren": "off",
        "space-infix-ops": "off",
        "no-multi-spaces": ["warn", { "ignoreEOLComments": true }],
        "handle-callback-err": "off",
        "no-return-await": "off",
        "import/no-mutable-exports": "error",
        "import/unambiguous": "off",
        "promise/avoid-new": "off",
        "promise/param-names": "off",
        "promise/always-return": "off",
        "prefer-promise-reject-errors": "off",
        "react/jsx-filename-extension": "off",
        "react/prefer-stateless-function": [
            "warn",
            { "ignorePureComponents": true }
        ],
        "react/sort-comp": "warn",
        "react/jsx-max-props-per-line": [1, { "when": "multiline" }]
    }
}