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23 lines
609 B
Swift
23 lines
609 B
Swift
import Foundation
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struct AsyncWaitTimeoutError: Error, CustomStringConvertible {
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let label: String
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var description: String { "Timeout waiting for: \(self.label)" }
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}
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func waitUntil(
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_ label: String,
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timeoutSeconds: Double = 3.0,
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pollMs: UInt64 = 10,
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_ condition: @escaping @Sendable () async -> Bool) async throws
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{
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let deadline = Date().addingTimeInterval(timeoutSeconds)
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while Date() < deadline {
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if await condition() {
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return
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}
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try await Task.sleep(nanoseconds: pollMs * 1_000_000)
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}
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throw AsyncWaitTimeoutError(label: label)
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}
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