In my previous post, I was talking about how
to implement events from Angular 1 in Angular 2. But in the snippet of code that
I use as an example we can find another thing that not exists in Angular 2:
$watch.
I start defining the problem. We can have a directive or Angular 1 component like that:
If we want to migrate this code to Angular 2 we find a trouble: the new Angular
don't have scope, so it don't have $watch. How we can watch a directive
attribute? The solution is the set syntax from ES6.
The set syntax binds an object property to a function to be called when there is an attempt to set that property.
So we can bind the input for a component to a function that does the same as the
$watch function.
Comments
Nothing yet. Say the first thing.
Sign in to join the conversation.