valtio | 💊 Valtio makes proxy-state simple for React and Vanilla | Frontend Framework library
kandi X-RAY | valtio Summary
kandi X-RAY | valtio Summary
npm i valtio makes proxy-state simple. valtio turns the object you pass it into a self-aware proxy. you can make changes to it in the same way you would to a normal js-object. create a local snapshot that catches changes. rule of thumb: read from snapshots, mutate the source. the component will only re-render when the parts of the state you access have changed, it is render-optimized. if you are new to this, it's highly recommended to use eslint-plugin-valtio. you can access state outside of your components and subscribe to changes. you can also subscribe to a portion of state. to subscribe to a primitive value of state, consider subscribekey in utils. there is another util watch which might be convenient in some cases. valtio supports react-suspense and will throw promises that you access within a components render function. this eliminates all the async back-and-forth, you can access your data directly while the parent is responsible for fallback state and error handling. this may be useful if you have large, nested objects with accessors that you don't want to proxy. ref allows you to keep these objects inside the state model. see #61 and #178 for more information. you can
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QUESTION
Expo BarcodeScanner works only the first time when I post data to my server on barcode scanned
...ANSWER
Answered 2022-Jan-22 at 13:33How about toggling some kind of waiting period while the data is actually getting sent to your server via the POST in a synchronous matter to stop the scan and then reactivate it right after?
I don't have the chance to test it on an actual device and replicate it to the precise bit but I hope you'll get the gist of it:
QUESTION
In the README of react-autosave, it's mentioned I should use useCallback
but I'm not sure how to pass id
to it as I need that in the mutation.
id
& text
is everchanging in my case.
ANSWER
Answered 2021-Dec-19 at 08:51I passed the complete doc
to it & destructured it in useCallback
like:
QUESTION
How to combine JSON objects in the same response that has the same key and value. like if I've two objects that have the same language: Python I want to combine them and List the remaining data under this language Python I don't want it being repeated
...ANSWER
Answered 2020-Dec-11 at 02:16GroupBy
is a good place to start. Once you have the groups, you need to select the individual properties of each group into a new list:
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