Define HostInstance type for React Native
#31101
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yungsters
commented
Sep 30, 2024
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| // This validates that INativeMethods and NativeMethods stay in sync using Flow! | ||
| declare const ensureNativeMethodsAreSynced: NativeMethods; | ||
| (ensureNativeMethodsAreSynced: INativeMethods); | ||
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| export type HostComponent<T> = AbstractComponent<T, $ReadOnly<NativeMethods>>; | ||
| export type HostInstance = NativeMethods; |
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I tried to make this INativeMethods, but that's going to require its own initiative.
Too many call sites are relying on the ability to spread this type into another object type in order to augment it. (Questionable, but alas… the codebase must grow.)
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Summary
Creates a new
HostInstancetype for React Native, to more accurately capture the intent most developers have when using theNativeMethodstype orReact.ElementRef<HostComponent<T>>.Since
React.ElementRef<HostComponent<T>>is typed asReact.AbstractComponent<T, NativeMethods>, that meansReact.ElementRef<HostComponent<T>>is equivalent toNativeMethodswhich is equivalent toHostInstance.How did you test this change?