Skip to content

Instantly share code, notes, and snippets.

View whichsteveyp's full-sized avatar

Stephen Rivas Jr whichsteveyp

View GitHub Profile
@TimothyRHuertas
TimothyRHuertas / Abstract.md
Last active June 8, 2021 19:51
Mocking React components with Sinon and QUnit.

React makes compositing components easy. However testing them can get ugly if you are not careful. Consider this example:

var ChildA = React.createClass({
    displayName: "ChildA",
    render: function(){
        return (<div>A in the house</div>);
    }
});
@sebmarkbage
sebmarkbage / WhyReact.md
Created September 4, 2019 20:33
Why is React doing this?

I heard some points of criticism to how React deals with reactivity and it's focus on "purity". It's interesting because there are really two approaches evolving. There's a mutable + change tracking approach and there's an immutability + referential equality testing approach. It's difficult to mix and match them when you build new features on top. So that's why React has been pushing a bit harder on immutability lately to be able to build on top of it. Both have various tradeoffs but others are doing good research in other areas, so we've decided to focus on this direction and see where it leads us.

I did want to address a few points that I didn't see get enough consideration around the tradeoffs. So here's a small brain dump.

"Compiled output results in smaller apps" - E.g. Svelte apps start smaller but the compiler output is 3-4x larger per component than the equivalent VDOM approach. This is mostly due to the code that is usually shared in the VDOM "VM" needs to be inlined into each component. The tr