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Suggest using empty array instead of undefined in dispatchViewManagerCommand #394

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Suggest using empty array instead of undefined in dispatchViewManagerCommand #394
munhyok wants to merge 1 commit into
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@munhyok

@munhyok munhyok commented Nov 10, 2024

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Hello,
@ammarahm-ed

Screenshot_1731261167

While working with UIManager.dispatchViewManagerCommand in React Native, I noticed an issue where passing undefined as the commandArgs parameter leads to an UnexpectedNativeTypeException.

From what I understand, this is because commandArgs is expected to be an optional Array according to its type definition. Therefore, I believe that using an empty array [] instead of undefined might be a more suitable approach.

Problem Description:

Currently, the loadAd function passes undefined for commandArgs:

loadAd = () => { UIManager.dispatchViewManagerCommand( findNodeHandle(this.nativeAdRef), UIManager.getViewManagerConfig("RNGADNativeView").Commands.loadAd, undefined ); };

Suggested Change:

loadAd = () => { UIManager.dispatchViewManagerCommand( findNodeHandle(this.nativeAdRef), UIManager.getViewManagerConfig("RNGADNativeView").Commands.loadAd, [] // Using an empty array instead of undefined ); };

Reasoning for the Suggestion:

This approach can prevent the UnexpectedNativeTypeException that occurs when undefined is passed.

Aligning the parameter type with the expected definition might reduce potential errors and make the code safer.

I hope this suggestion can be helpful for the project. Please feel free to share any feedback or if further discussion is needed!

Thank you

@munhyok munhyok changed the title Suggest Using Empty Array Instead of Undefined in dispatchViewManagerCommand fix issue Mar 23, 2025
@munhyok munhyok changed the title fix issue Suggest using empty array instead of undefined in dispatchViewManagerCommand Mar 31, 2025
@munhyok

munhyok commented Mar 31, 2025

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#400

There is an actual case where this issue was resolved. Please merge it!

@ammarahm-ed

@rogerkerse

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My app crashed whenever I showed ads in never RN versions. This PR fixed it 🙌

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2 participants