function createLogger()

in index.js [40:67]

• 21 lines of code
• 7 McCabe index (conditional complexity)

function createLogger(opts) {
    var backends = opts && opts.backends;
    var logger;

    var _isDefaultBackends = backends &&
        backends._isDefaultBackends;

    if (_isDefaultBackends) {
        delete backends._isDefaultBackends;
    }

    logger = Logger(opts);

    if (_isDefaultBackends) {
        Object.keys(backends).forEach(function hookEvents(key) {
            var backend = backends[key];

            if (!backend || typeof backend.on !== 'function') {
                return;
            }

            backend.on('info', logger.info.bind(logger));
            backend.on('warn', logger.warn.bind(logger));
        });
    }

    return logger;
}