July 2018
Beginner
236 pages
5h 34m
English
Content preview from MobX Quick Start Guide
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Gatekeeper of changes
The changes you make to an observable are not applied immediately by MobX. Instead, they go through a layer of interceptors that have the ability to keep the change, modify it, or even discard it completely. This is all possible with the intercept() API. The signature is very similar to onBecomeObserved and onBecomeUnobserved, with the callback function (interceptor) giving you the change object:
disposer = intercept(observable, property?, interceptor: (change) => change | null )
observable: A boxed observable or an observable object/array/map.
property: The optional string name of the property you want to intercept on the observable. As we saw earlier for onBecomeObserved and onBecomeUnobserved, there is a difference ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.