BeBoRE
BeBoRE9mo ago

Suspend subscriptions when app is in background

When using React Native, subscriptions stay open even when the app is in the background. While this could be good for some applications, in my use case there is no need to keep the app up to date when in the background. Using the query client you can make React Query not refetch data using the focusManager's setFocused. Is there a way of telling all subscriptions to end when the app loses focus?
function onAppStateChange(status: AppStateStatus) {
if (Platform.OS !== 'web') {
focusManager.setFocused(status === 'active' || status === 'inactive');
}
}
function onAppStateChange(status: AppStateStatus) {
if (Platform.OS !== 'web') {
focusManager.setFocused(status === 'active' || status === 'inactive');
}
}
I am currently doing this by just setting the enabled option to false whenever the app loses focus. But I would like for this to apply app-wide it feels a bit hacky to have to define this everywhere I'm subbing to something.
const appState = useAppState();

api.lobby.lobbyUpdate.useSubscription(authInfo?.accessToken || '', {
enabled:
!!authInfo?.accessToken &&
(appState === 'active' || appState === 'inactive'),
onData: (data) => {
setLobby(data);
},
});
const appState = useAppState();

api.lobby.lobbyUpdate.useSubscription(authInfo?.accessToken || '', {
enabled:
!!authInfo?.accessToken &&
(appState === 'active' || appState === 'inactive'),
onData: (data) => {
setLobby(data);
},
});
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