Asyncbutton

Asyncbutton.swift

import SwiftUI

struct AsyncButton<Label: View>: View {
    private let action: () async -> Void
    private let label: () -> Label

    @State private var isLoading = false

    init(
        action: @escaping () async -> Void,
        @ViewBuilder label: @escaping () -> Label
    ) {
        self.action = action
        self.label = label
    }

    var body: some View {
        Button {
            runTask()
        } label: {
            ZStack {
                label().opacity(isLoading ? 0 : 1)

                if isLoading {
                    ProgressView()
                }
            }
        }
    }

    private func runTask() {
        isLoading = true
        Task {
            await action()
            isLoading = false
        }
    }
}