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https://github.com/RACCommunity/Rex
ReactiveCocoa Extensions
https://github.com/RACCommunity/Rex
Last synced: about 1 month ago
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ReactiveCocoa Extensions
- Host: GitHub
- URL: https://github.com/RACCommunity/Rex
- Owner: RACCommunity
- License: mit
- Created: 2015-05-10T00:15:08.000Z (about 9 years ago)
- Default Branch: master
- Last Pushed: 2017-07-23T17:16:29.000Z (almost 7 years ago)
- Last Synced: 2024-04-10T03:54:41.347Z (3 months ago)
- Language: Swift
- Homepage:
- Size: 547 KB
- Stars: 226
- Watchers: 21
- Forks: 32
- Open Issues: 13
-
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
Lists
- awesome-reactivecocoa - Rex - Extensions for ReactiveCocoa that may not fit in the core framework. (ReactiveCocoa 4 (Swift 2.0/2.1) / Extension)
README
[](http://unmaintained.tech/)
# ⚠️ Deprecated ⚠️
This repo is no longer being maintained. It has been supersede by:
1. [ReactiveSwift](https://github.com/ReactiveCocoa/ReactiveSwift): for core operators.
2. [ReactiveCocoa](https://github.com/ReactiveCocoa/ReactiveCocoa): for UI operators.
Some operators have not been ported. If something is amiss, please open a PR, or an issue, in the corresponding repo. ❤️
Thanks!
---
# Rex [](https://github.com/Carthage/Carthage)
Extensions for [ReactiveCocoa](https://github.com/ReactiveCocoa/ReactiveCocoa) that may not fit in the core framework.
New development targets RAC 4/Swift 2/Xcode 7. For RAC 3 support [see the 0.5
release](https://github.com/RACCommunity/Rex/releases/tag/v0.5.0).
## Signal
All `Signal` operators are available for `SignaProducer`s too via explicit `lift`ing.
##### `filterMap`
Applies `transform` to values from `signal` with non-nil results unwrapped and forwared on the returned signal. This is equivalent to `map { … } .filter { $0 != nil } .map { $0! }` but without creating extra intermediate signals.
```swift
func filterMap(transform: T -> U?) -> Signal
```
##### `ignoreError`
Wraps a `signal` in a version that drops `Error` events. By default errors are replaced with a `Completed` event but `Interrupted` can also be specified as `replacement`.
```swift
func ignoreError(#replacement: Event = .Completed) -> Signal
```
##### `timeoutAfter`
Forwards events from `signal` until it terminates or until `interval` time passes. This is nearly identical to `timeoutWithError` from RAC except any terminating `event` can be used for the timeout.
```swift
func timeoutAfter(interval: NSTimeInterval, withEvent event: Event, onScheduler scheduler: DateSchedulerType) -> Signal
```
##### `uncollect`
Flattens batches of elements sent on `signal` into each individual element. The inverse of `collect`. Requires signal values to conform to `SequenceType`.
```swift
func uncollect() -> Signal
```
## SignalProducer
Operators specific to `SignalProducer`.
##### `groupBy`
Partitions values from `producer` into new producer groups based on the key returned from `grouping`. Termination events on the original producer are forwarded to each inner producer group.
```swift
func groupBy(grouping: T -> K) -> SignalProducer<(K, SignalProducer), E>
```
## UIKit Extensions
##### `UIButton.rex_pressed`
Flexible way to bind `CocoaAction` to the press of button. In addition the button will be disabled during the `Action` executing. Such behavior is convenient for tasks that require some time, like a download process in the example below.
```swift
let downloadAction = Action { _ in
let url = NSURL(string: "https://github.com/RACCommunity/Rex/archive/master.zip")
let request = NSURLRequest(URL: url!)
return NSURLSession.sharedSession().rac_dataWithRequest(request).map { $0.0 }
}
downloadButton.rex_pressed.value = downloadAction.unsafeCocoaAction
```
## License
Rex is released under the [MIT license](LICENSE)