77 lines
1.7 KiB
Swift
77 lines
1.7 KiB
Swift
import Elementary
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import Foundation
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public struct ResultView<ValueView, ErrorView>: HTML where ValueView: HTML, ErrorView: HTML {
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let result: Result<ValueView, any Error>
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let errorView: @Sendable (any Error) -> ErrorView
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public init(
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_ content: @escaping @Sendable () async throws -> ValueView,
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onError: @escaping @Sendable (any Error) -> ErrorView
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) async {
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self.result = await Result(catching: content)
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self.errorView = onError
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}
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public var body: some HTML {
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switch result {
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case .success(let view):
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view
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case .failure(let error):
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errorView(error)
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}
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}
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}
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extension ResultView where ErrorView == Styleguide.ErrorView {
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public init(
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_ content: @escaping @Sendable () async throws -> ValueView
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) async {
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await self.init(
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content,
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onError: { Styleguide.ErrorView(error: $0) }
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)
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}
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public init<V: Sendable>(
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catching: @escaping @Sendable () async throws -> V,
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onSuccess content: @escaping @Sendable (V) -> ValueView
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) async where ValueView: Sendable {
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await self.init(
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{
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try await content(catching())
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}
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)
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}
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public init(
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catching: @escaping @Sendable () async throws -> Void
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) async where ValueView == EmptyHTML {
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await self.init(
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catching: catching,
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onSuccess: { EmptyHTML() }
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)
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}
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}
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extension ResultView: Sendable where ValueView: Sendable, ErrorView: Sendable {}
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public struct ErrorView: HTML, Sendable {
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let error: any Error
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public init(error: any Error) {
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self.error = error
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}
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public var body: some HTML<HTMLTag.div> {
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div {
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h1(.class("text-xl font-bold text-error")) { "Oops: Error" }
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p {
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"\(error.localizedDescription)"
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}
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}
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}
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}
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