Comments (5)
Yea, I noticed that as well and it's a kinda main reason why I am mostly using useObserver
whenever I can. In other cases, I just have a named function.
export default observer(function Item() {
return <div />
})
Either way, these are just workarounds for sure. Personally, I haven't use Proxy for anything yet. There is an obvious problem it's not supported in IE11 so it would need some ponyfill. And it shouldn't be used in a production code.
Um, could you try to make some preliminary PR? Ideally with tests. I am definitely preoccupied for next weeks.
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There's always defineProperty with a getter and setter, which is like the poor's man proxy
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Either way though, since Reaction takes a plain string any name change after the fact would require a reaction destruction and re-creation, so maybe it could be added as an option to observer instead (displayName?: string)?
const Item = observer(() => <div />, { displayName: "Item" })
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That's a really ugly escape hatch :) I would rather avoid things that cannot be compiled away from a production build. I cannot help it but using named function instead of anonymous one comes to be as the best solution really.
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Another approach I just spotted in some chatroom. This way the observer grabs the name correctly.
const Item = () => <div />
export default observer(Item)
I've decided to reconsider this whole thing. It's not really a bug. It's coming from the way JS works. Some sufficient approaches have been described, for now, so I am closing.
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Related Issues (20)
- 'Symbol' is undefined in IE11 HOT 1
- useAsObservableSource double renderings HOT 5
- Component doesn't re-render when using with react-data-table-component HOT 5
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- How to structure container and item model with useLocalStore HOT 1
- Using monorepo with mobx@4 HOT 11
- useObserver reactivity - question HOT 10
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- useObservable hook should have a delay option HOT 10
- Inter store communication in multiple global stores HOT 2
- useLayoutEffect Warning form mobx-react-lite HOT 2
- [Discuss] ObserverComponent render props return type HOT 14
- Enzyme expect failure with observer HOT 3
- Attempted import error: 'isObserverBatched' is not exported from 'mobx-react-lite'. HOT 4
- Batching doesn't work with webpack in production mode in 2.2.0 HOT 4
- Ant-Design Table not rendering when change state in mobx store HOT 7
- Attempted import error: 'observerBatchingOptOut' is not exported from 'mobx-react-lite'. HOT 5
- Warning: useLayoutEffect does nothing on the server HOT 7
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- v2.x Docs Deprecation HOT 3
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