29 lines
651 B
Swift
29 lines
651 B
Swift
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//
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// https://mczachurski.dev
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// Copyright © 2023 Marcin Czachurski and the repository contributors.
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// Licensed under the MIT License.
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//
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import Foundation
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import SwiftUI
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public extension View {
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func onFirstAppear(_ action: @escaping () async -> ()) -> some View {
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modifier(FirstAppear(action: action))
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}
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}
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private struct FirstAppear: ViewModifier {
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let action: () async -> ()
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@State private var hasAppeared = false
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func body(content: Content) -> some View {
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content.task {
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guard !hasAppeared else { return }
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hasAppeared = true
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await action()
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}
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}
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}
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