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Baldur Bjarnason

Liskovโ€™s Gun: The parallel evolution of React and Web Components

baldurbjarnason.com/2024/lisko

This is a bit of an experiment. Probably the longest essay I've published directly on my website. ๐Ÿ™‚

9 October at 13:26 | Open on toot.cafe
14 comments
Baldur Bjarnason

Couldn't come up with a nice linkbait-y title for this one, so ended up with a relatively sensible one that probably downplays the number of hot takes and swearing in it ๐Ÿ˜†

9 October at 14:29 | Open on toot.cafe
bkardell

@baldur Curious how long it took to write this one?

9 October at 14:56 | Open on toot.cafe
Baldur Bjarnason

@bkardell I jotted down the first few notes that ultimately led to the essay on the 3rd of October. So, six days? Probably should have baked it for longer ๐Ÿ˜…

9 October at 15:13 | Open on toot.cafe
Hidde

@baldur @bkardell wow! I admire your writing / thinking skills

9 October at 15:18 | Open on front-end.social
Baldur Bjarnason

@hdv @bkardell Lotโ€™s of practice! And being open to looking really stupid for writing half-baked stupid things ๐Ÿ˜…

9 October at 15:23 | Open on toot.cafe
Stewart Sims

@baldur can't claim to have read it all in detail (will bookmark), but I agree with a lot of what's being said and like your take in considering the nuance of all this.

There seems common threads in people's takes on this. Another prescient concern is the UX trade offs of [the lack of] progressive enhancement.

Would be interested to know if you've looked at 'Marko' and have a take on it as something of a React alternative:
markojs.com/

9 October at 15:08 | Open on mastodon.social
Baldur Bjarnason

@stew_sims Only had a quick glance at it a while back. Looked interesting but didnโ€™t quite fit my needs at the time. ๐Ÿ™‚๐Ÿ‘๐Ÿป

9 October at 15:19 | Open on toot.cafe
cthos ๐Ÿฑ

@baldur I've already laughed audibly a few times during this and I'm only about 40% of the way through it.

9 October at 16:15 | Open on mastodon.cthos.dev
Nolan Lawson

@baldur Fantastic post. My only minor quibble is that I do think the React team has kept innovating โ€“ concurrent rendering and RSCs come to mind. Although I'm not convinced the first is a great idea (nolanlawson.com/2022/10/22/sty) and the second seems to be heavily dividing the React community, I have to give them credit for having the guts to try new stuff even though they're the clear market leader.

9 October at 17:10 | Open on toot.cafe
Nolan Lawson

@baldur BTW I never understood the whole Liskov substitution thing until this post. It's not just a problem for built-ins, but also web component libraries that allow subclassing. Any change to the superclass is effectively a breaking change unless the subclass automatically gets the new behavior somehow (e.g. super.connectedCallback).

9 October at 17:20 | Open on toot.cafe
Alex Russell

@nolan @baldur This was always true! We wanted to add traits or some other factoring mechanism to allow for decomposition, but TC39 could barely do intrinsic subclassing w/ `class` syntax in a ~timely way.

9 October at 17:32 | Open on toot.cafe
Alex Russell

@nolan @baldur DOM is crying out for decomposition to mixins/traits, and we hoped to do it. But browser vendors whatabouting without actually investigating developer problems (and failing to implement what they stopped the presses to relitigate) dragged everything out.

9 October at 17:34 | Open on toot.cafe
ThomasAPowell

@baldur +1 on the laughs sprinkled into a piece with great webdev insights and excellent cross-pollination of CS and SE thoughts throughout. The experiment was successful from my PoV.

9 October at 17:43 | Open on fosstodon.org
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