KhaledElAnsari / uphill-rxjs-training

Welcome!

Schedule

• Motivation
• Rx Observable, Observer, Subscription
• Converting things to Observables
• (lunch)
• Basic operators
• (break)
• Debugging techniques
• Subjects and multicasting
• Observable of observables

Useful links:

• https://github.com/staltz/toy-rx (simplified source code for educational purposes)
• https://github.com/ReactiveX/RxJS (official source code)
• http://reactivex.io/rxjs/class/es6/Observable.js~Observable.html (official docs for Observable & operators)

Important operators

Creation:

• create (low-level)
• from
• interval
• fromEvent
• fromPromise
• of (alias for from(array))
• bindNodeCallback

Transformation:

• map
• scan

Filtering:

• filter
• take
• skip

Combination:

• concat (one after the other)
• merge (in parallel, "OR" semantics)
• combineLatest (in parallel, "AND" semantics)
• startWith(x) (alias for concat and of(x))

Multicasting:

• multicast
• publish (alias for multicast with a Subject)
• publishBehavior (alias for multicast with a BehaviorSubject)
• publishReplay (alias for multicast with a ReplaySubject)
• refCount (only on observables returned from multicast)

Flattening:

• switch (concurrency 1, with cancellation)
• concatAll (concurrency 1, waits for completion)
• mergeAll (infinite concurrency)

Others:

• do
• delay