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olbrichj/promisekit-retry.swift

Created March 21, 2018 11:39
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promisekit-retry.swift
func attempt<T>(maximumRetryCount: Int = 3, delayBeforeRetry: DispatchTimeInterval = .seconds(2), _ body: @escaping () -> Promise<T>) -> Promise<T> {
var attempts = 0
func attempt() -> Promise<T> {
attempts += 1
return body().recover { error -> Promise<T> in
guard attempts < maximumRetryCount else { throw error }
return after(delayBeforeRetry).then(on: nil, attempt)
}
}
return attempt()
}
attempt(maximumRetryCount: 3) {
fetch(url: url)
}.then {
//…
}.catch { _ in
// we still failed
}
@Erumaru
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Erumaru commented Apr 19, 2021 

attempt {
     some()
}.then {
     other()
}

Will your code retry for .then block?

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