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expand produce customisation #23

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merged 4 commits into from
Jan 29, 2024
Merged

expand produce customisation #23

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04fdb6c
expand produce costuzation/
klaidas-trafi Jan 2, 2024
98baa8e
renames and comments
klaidas-trafi Jan 2, 2024
11f9167
add missing input
klaidas-trafi Jan 26, 2024
c473554
update tests
klaidas-trafi Jan 29, 2024
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54 changes: 48 additions & 6 deletions Sources/StoryFlow/Interfaces/Helpers/Testing.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -11,12 +11,32 @@ extension InputRequiring where Self: UIViewController {

extension OutputProducing where Self: UIViewController {

public init(nibName: String? = nil, bundle: Bundle? = nil, produce: @escaping (OutputType) -> ()) {
/// - Parameters:
/// - produceStub: Closure that optionally overrides default produce behavior.
/// When nil is returned default produce behaviour will not be triggered.
public init(
nibName: String? = nil,
bundle: Bundle? = nil,
produceStub: @escaping (OutputType) -> OutputType?
) {
self.init(nibName: nibName, bundle: bundle)
produceStub = produce
self.produceStub = produceStub
}

/// - Parameters:
/// - produceStub: Closure that overrides default produce behavior.
public init(
nibName: String? = nil,
bundle: Bundle? = nil,
produceStub: @escaping (OutputType) -> ()
) {
self.init(nibName: nibName, bundle: bundle) {
produceStub($0)
return nil
}
}

var produceStub: ((OutputType) -> ())? {
var produceStub: ((OutputType) -> OutputType?)? {
get { return associated(with: &produceStubKey) }
set { associate(newValue, with: &produceStubKey) }
}
Expand All @@ -25,10 +45,32 @@ private var produceStubKey = 0

extension InputRequiring where Self: UIViewController & OutputProducing {

public init(nibName: String? = nil, bundle: Bundle? = nil,
input: InputType, produce: @escaping (OutputType) -> ()) {
/// - Parameters:
/// - produceStub: Closure that optionally overrides default produce behavior.
/// When nil is returned default produce behaviour will not be triggered.
public init(
nibName: String? = nil,
bundle: Bundle? = nil,
input: InputType,
produceStub: @escaping (OutputType) -> OutputType?
) {
self.init(nibName: nibName, bundle: bundle)
self.input = input
self.produceStub = produce
self.produceStub = produceStub
}

/// - Parameters:
/// - produceStub: Closure that overrides default produce behavior.
public init(
nibName: String? = nil,
bundle: Bundle? = nil,
input: InputType,
produceStub: @escaping (OutputType) -> ()
) {
self.init(nibName: nibName, bundle: bundle) {
produceStub($0)
return nil
}
}

}
15 changes: 11 additions & 4 deletions Sources/StoryFlow/Interfaces/OuputProducing.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -19,10 +19,17 @@ extension OutputProducing where Self: UIViewController {
- Parameter output: The value being passed to next view controller.
*/
public func produce(_ output: OutputType) {

if let produce = produceStub {
produce(output)
} else if let flow = flow {
if let produceStub {
if let customOutput = produceStub(output) {
_produce(customOutput)
}
} else {
_produce(output)
}
}

private func _produce(_ output: OutputType) {
if let flow = flow {
flow.proceed(with: output, from: self)
} else {
implicitFlow.proceed(with: output, from: self)
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