fix: resolves react snapshot undefined warning #2903
Merged
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Does any other open PR do the same thing?
No
What issue is this PR fixing?
Resolves React warning being displayed when the
region
prop inMapView
isundefined
. React requires a snapshot value (or null) to be provided (see warning message below). This PR modifiesgetSnapshotBeforeUpdate
inMapView
to returnnull
ifprops.region
isundefined
.How did you test this PR?
Change is JS only and only affects library's interaction with React. However, the change was also tested on Android (on device) and iOS (device and simulator) to confirm warning is no longer triggered.
Steps to recreate and test for change:
MapView
withoutregion
prop defined, e.g.:Run react native app and observe React warning in debug mode.
Now test with changes in this PR, warning should disappear.