Fix for 'region' parameter undefined in '_onRegionChangeComplete' #174
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Fix for 'region' undefined in '_onRegionChangeComplete'
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I ran into this issue when I'm updating a marker and its opacity.
The onRegionChangeComplete seems to trigger with the region parameter being undefined, triggering an undefined is not an object error and crashing the app.
I've added a condition verifying if region isn't undefined, and if it is the onRegionChangeComplete prop triggers, it fixed my issue and I could still use the onRegionChangeComplete callback.