.eslintrc.json

{
    "root": true,
    "parser": "babel-eslint",
    "extends": [
        "airbnb-base",
        "prettier",
        "plugin:flowtype/recommended"
    ],
    "plugins": [
        "import",
        "flowtype",
        "flowtype-errors",
        "prettier"
    ],
    "rules": {
        "no-console": "warn",
        "no-param-reassign": ["error", {
            "props": false
        }],
        "no-underscore-dangle": ["warn", {
            "allow": ["_id", "_rev", "_path", "_cryptoSuite", "_stateStore", "_keyStorePath", "_peers", "_userContext"]
        }],
        "no-unused-vars": ["warn", {
            "vars": "local",
            "args": "none"
        }],
        "no-unused-expressions": ["error", {
            "allowTernary": true
        }],
        "no-plusplus": ["error", {
            "allowForLoopAfterthoughts": true
        }],
        "no-duplicate-imports": "off",
        "handle-callback-err": "error",
        "import/no-unresolved": "off",
        "import/extensions": "off",
        "import/no-extraneous-dependencies": [
            "error",
            {
                "devDependencies": ["lib/**/*.spec.js", "test/**/*.js"]
            }
        ],
        "prettier/prettier": [
            "error", {
                "tabWidth": 4,
                "semi": false
            }
        ],
        "flowtype-errors/show-errors": "error"
    },
    "env": {
        "node": true
    },
    "overrides": [{
        "files": ["lib/**/*.spec.js", "test/**/*.js"],
        "rules": {
            "func-names": "off",
            "no-unused-expressions": "off",
            "prefer-arrow-callback": "off"
        },
        "env": {
            "mocha": true
        }
    }]
}