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re: Vue 3 Composition API – The Wrong Solution To The Right Problem VIEW POST

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re: I've also consulted on large enterprise apps where the team has quickly hit problems with a bloated structure of components, and so far the solutio...

Oh I don't disagree that helper functions and service classes can solve many code re-use problems especially around business logic type problems and API access. And that's what we did.

I do think the the composition API will help with view layer re-usability problems. Things like a drag-and-drop library, event handling, special formatting logic (numbers, truncation, etc. etc.) and animations. Those were our big pain points of trying to figure out good ways to re-use Vue code.

Yes, I know for some of those you could pull in a special helper function and run it through a method. But, it would have been nice to be able to use computed and watch methods in some of them rather than have to remember to use that method on all changes

I get what you mean because I've had to make these decisions when refactoring too. In 90% of the cases where I've needed to reuse code at the level of computed properties or watchers, it has turned out in the end that my component structure wasn't optimal and could be refactored or further broken down into sub components.

In the other 10% it was always the case that I am trying to keep the code DRY at the micro level where some duplication simply won't hurt.

The problem we were having is with tons of little components scattered around we were setting pretty bad perf problems when loading large data sets. The comp API seems promising in that it shouldn't have the same perf cost as rendering a full component.

I don't think it'll be perfect for all situations but I think it'll be a nice tool to have IF you need it. I don't think most end users will need it often.

I'm all for having more tools at our disposal.

My only concern was that if suddenly all the documentation and tutorials for new users are with the Composition API this might firstly hurt Vue.js adoption and secondly lead to the eventual deprecation of the Options API.

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