metatext/Extensions/Publisher+Extensions.swift
2020-08-26 21:04:06 -07:00

19 lines
550 B
Swift

// Copyright © 2020 Metabolist. All rights reserved.
import Foundation
import Combine
extension Publisher {
func assignErrorsToAlertItem<Root: AnyObject>(
to keyPath: ReferenceWritableKeyPath<Root, AlertItem?>,
on object: Root) -> AnyPublisher<Output, Never> {
self.catch { [weak object] error -> Empty<Output, Never> in
DispatchQueue.main.async {
object?[keyPath: keyPath] = AlertItem(error: error)
}
return Empty()
}
.eraseToAnyPublisher()
}
}