Correct way to check if any object is a SyntheticEvent?

Ashley Coolman Published at Dev

33

Ashley Coolman

What is the best way to check if a given object of any kind is a SyntheticEvent?

Currently, I'm peering into the internals:

if (obj.nativeEvent ) {
    // 100% sure...with this version of React
}

What is a more idiomatic (or at least future-proof) way of doing this?

lunochkin

You can use such check: if (!(event instanceof Event)).

event (which is SyntheticEvent) will give false in this case and event.nativeEvent will give true.

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edited at2020-11-17

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