selectFromResult for mutations

rtk-incubator / rtk-query

Data fetching and caching addon for Redux Toolkit

MIT License

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Closed msutkowski closed 3 years ago

msutkowski commented 3 years ago

Adds selectFromResult option for useMutation().
- This allows a user to 'optimize renders' by only rerendering when the selected values change. There will always be 1 rerender when the mutation is called as it creates a new requestId. For the most performant implementation, you can yourEndpoint.useMutation(undefined, { selectFromResult: () => ({}) })
- All possible usages can be seen in the tests with the appropriate assertions :sweat_smile:

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Path	Size
ESM full	10.15 KB (0%)
ESM full (React)	11.56 KB (+0.16% 🔺)
createApi + setupListeners	9.19 KB (0%)
createApi (React) + setupListeners	10.46 KB (+0.23% 🔺)
fetchBaseQuery	701 B (0%)
retry	278 B (0%)
ApiProvider	400 B (0%)
CJS minfied	15.67 KB (0%)
CJS React minfied	17.37 KB (+0.22% 🔺)

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