Added null check to useNetworkState update

2021-01-21 07:23:07 +11:00
parent af3839c9ff
commit de3c601bb3
1 changed files with 1 additions and 1 deletions
@@ -88,7 +88,7 @@ function useNetworkedState(

    function handleSocketUpdateEvent(update) {
      _setState((prevState) => {
-        if (prevState[partialUpdatesKey] === update.id) {
+        if (prevState && prevState[partialUpdatesKey] === update.id) {
          let newState = { ...prevState };
          applyChanges(newState, update.changes);
          lastSyncedStateRef.current = newState;