@alwatr/observable
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A lightweight and flexible TypeScript library for implementing the observer pattern (similar to signals) with events, subscriptions, and convenient features.
A lightweight and flexible TypeScript library for implementing the observer pattern (similar to signals) with events, subscriptions, and convenient features.
once, priority, and receivePrevious.npm install @alwatr/observable
AlwatrObservableconstructor(config: {name: string; loggerPrefix?: string}): Creates a new AlwatrObservable instance.
config.name: The name of the signal (used for logging).config.loggerPrefix: Optional prefix for log messages.subscribe(listenerCallback: ListenerCallback<this, T>, options: SubscribeOptions = {}): SubscribeResult: Subscribes to the signal.
listenerCallback: The function to be called when an event is emitted.options:
once: If true, the listener will be automatically unsubscribed after the first event.priority: If true, the listener will be executed before other listeners.receivePrevious: If true, the listener will be immediately called with the last emitted event (if available).disabled: If true, the listener will not be executed.unsubscribe(listenerCallback: ListenerCallback<this, T>): Unsubscribes a listener from the signal.
notify_(message: T): Emits an event to all subscribers.
message: The data to be sent to the subscribers.clearMessage_(): Clears the current message without notifying subscribers.
untilNewNotify_(): Returns a Promise that resolves with the next emitted event.
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Contributions are welcome! Please read our contribution guidelines before submitting a pull request.
This project is licensed under the AGPL-3.0 License.
3.2.1 (2024-10-28)
FAQs
A lightweight and flexible TypeScript library for implementing the observer pattern (similar to signals) with events, subscriptions, and convenient features.
The npm package @alwatr/observable receives a total of 103 weekly downloads. As such, @alwatr/observable popularity was classified as not popular.
We found that @alwatr/observable demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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