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An Observable is a collection that arrives over time. Observables can be used to model push-based data sources such as events, timer intervals, asynchronous requests, and animations. Observables can be transformed, combined, and consumed using array-like methods.

Please read the contribution guidelines before contributing.

Documentation

Overview
Specification

Implementations

zen-observable
RxJS

Packages

ObservableLike

TypeScript type.

any-observable

Support any Observable library and polyfill.

is-observable

Check if a value is an Observable.

observable-to-promise

Convert an Observable to a Promise.

stream-to-observable

Convert a Node.js stream into an Observable.

symbol-observable

`Symbol.observable` ponyfill.

obsify

Observableify a callback-style function.

localForage-observable

Observables for localForage.

Libraries

Cycle.js

A functional and reactive JavaScript framework for cleaner code.

These are libraries that harness the power of Observables, not necessarily spec compatible Observable implementations.

Articles

The introduction to Reactive programming you've been missing

Reactive programming using Observables.

Everywhereness as a foundation

Benefits of using Observables everywhere.

  • Learning Observable By Building Observable (Updated 2021-07-08)

Videos

Introducing the Observable

Egghead.io lesson.

Related

awesome-nodejs