LocalizedAlertError.swift (2190B)
1 // MIT License 2 // Copyright © Antoine van der Lee 3 // 4 // Permission is hereby granted, free of charge, to any person obtaining a copy of this software 5 // and associated documentation files (the "Software"), to deal in the Software without restriction, 6 // including without limitation the rights to use, copy, modify, merge, publish, distribute, 7 // sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 8 // furnished to do so, subject to the following conditions: 9 // 10 // The above copyright notice and this permission notice shall be included in all copies or 11 // substantial portions of the Software. 12 // 13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 14 // BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 16 // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 17 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 18 // 19 import SwiftUI 20 21 22 struct LocalizedAlertError: LocalizedError { 23 let underlyingError: LocalizedError 24 var errorDescription: String? { 25 underlyingError.errorDescription 26 } 27 var recoverySuggestion: String? { 28 underlyingError.recoverySuggestion 29 } 30 31 init?(error: Error?) { 32 guard let localizedError = error as? LocalizedError else { return nil } 33 underlyingError = localizedError 34 } 35 } 36 37 extension View { 38 39 @ViewBuilder 40 func errorAlert(error: Binding<Error?>, 41 buttonTitle: LocalizedStringKey = "OK", 42 action: (() -> Void)? = nil) -> some View 43 { 44 let localizedAlertError = LocalizedAlertError(error: error.wrappedValue) 45 alert(isPresented: .constant(localizedAlertError != nil), error: localizedAlertError) { _ in 46 Button(buttonTitle) { 47 action?() 48 error.wrappedValue = nil 49 } 50 } message: { error in 51 Text(error.failureReason ?? error.recoverySuggestion ?? EMPTYSTRING) 52 } 53 } 54 }