(graphcache) - only allow for one onOnline listener at a given time #1896
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Summary
When we reset the urql-client a few time the
offlineExchange
will callonOnline
again, however thedefault-storage
instance stays the same as it's globally defined most of the time (in our examples, ...), this holds a reference to the currently defined callback and removes the event-listener when we callonOnline
again.Resolves #1876
Set of changes
onOnline
calls