NotFoundError = (message) -> error = new Error(message) error.name = "NotFoundError" error.__proto__ = NotFoundError.prototype return error NotFoundError.prototype.__proto__ = Error.prototype OpRangeNotAvailableError = (message) -> error = new Error(message) error.name = "OpRangeNotAvailableError" error.__proto__ = OpRangeNotAvailableError.prototype return error OpRangeNotAvailableError.prototype.__proto__ = Error.prototype module.exports = Errors = NotFoundError: NotFoundError OpRangeNotAvailableError: OpRangeNotAvailableError