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Zafiro Reactive Shortcuts
Use these Zafiro extension methods to replace standard, more verbose Reactive and DynamicData patterns.
General Observable Helpers
| Standard Pattern |
Zafiro Shortcut |
Replay(1).RefCount() |
ReplayLastActive() |
Select(_ => Unit.Default) |
ToSignal() |
Select(b => !b) |
Not() |
Where(b => b).ToSignal() |
Trues() |
Where(b => !b).ToSignal() |
Falses() |
Select(x => x is null) |
Null() |
Select(x => x is not null) |
NotNull() |
Select(string.IsNullOrWhiteSpace) |
NullOrWhitespace() |
Select(s => !string.IsNullOrWhiteSpace(s)) |
NotNullOrEmpty() |
Result & Maybe Extensions
| Standard Pattern |
Zafiro Shortcut |
Where(r => r.IsSuccess).Select(r => r.Value) |
Successes() |
Where(r => r.IsFailure).Select(r => r.Error) |
Failures() |
Where(m => m.HasValue).Select(m => m.Value) |
Values() |
Where(m => !m.HasValue).ToSignal() |
Empties() |
Lifecycle Management
| Description |
Method |
| Dispose previous item before emitting new one |
DisposePrevious() |
| Manage lifecycle within a disposable |
DisposeWith(disposables) |
Command & Interaction
| Description |
Method |
| Add metadata/text to a ReactiveCommand |
Enhance(text, name) |
| Automatically show errors in UI |
HandleErrorsWith(notificationService) |
[!TIP]
Always check Zafiro.Reactive.ObservableMixin and Zafiro.CSharpFunctionalExtensions.ObservableExtensions before writing custom Rx logic.
