function FileBackend()

in backends/file.js [27:36]

• 10 lines of code
• 3 McCabe index (conditional complexity)

function FileBackend(opts) {
    if (!(this instanceof FileBackend)) {
        return new FileBackend(opts);
    }
    if (!opts.fileName) {
        throw new Error('FileBackend: opts.fileName is required');
    }
    EventEmitter.call(this);
    this.fileName = opts.fileName;
}