Thinking Reactively with RxJS
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Learn how to build a loading spinner and implement a Konami Code feature using RxJS. Break down complex problems, create safe observables, and maintain shared state. Extend your reactive logic and simplify usage with custom operators. Enhance your skills with this comprehensive course.
When a manager gives us the requirements for an application feature, they don’t care too much about
we build it. And often times, they think that hard things will be easy.
Dealing with time and coordinating different types of events can be tricky.
Luckily, we have RxJS to help!
In this course, you will use RxJS to build a loading spinner in an app that meets the ever-changing requirements from a mock Product Manager.
You’ll also learn how to implement a “Konami Code” style feature that listens for a correct sequence of keys to be typed in a set amount of time.
Follow the thought process that Rares uses as he breaks problems down into manageable pieces that remain flexible, and become more comfortable solving problems reactively.
Course Content
Thinking Reactively with RxJS Course Intro
Use reactive, RxJS based solutions for complex problems
Break down a requirement into small problems
Pipe events to numbers and maintain a running count using the scan operator
Create safe and predictable observable abstractions
Maintain shared observable state using the scan and shareReplay operators
Use the filter and pairwise operators to determine when to show and hide the spinner
Build an observable from a simple english requirement
Expose complex reactive code as simple function based APIs
Encapsulate complex imperative logic in a simple observable
Extend Your Reactive Logic in RxJS using Observable-like Proxies that Delay or Drop Events
Use RxJS combineLatest to Only Emit Notifications When Certain Events Have Happened
Maintain Self-resetting State in Your Observable Streams using the RxJS scan Operator
Build an Event Combo Observable with RxJS
Use RxJS exhaustMap to Wait for Open Combos to Finish Before Starting New Ones
Simplify Usage of Your Reactive Service by Building an RxJS Operator to Manage It For You
Extend Promises by Adding Custom Behavior
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