I assumed so but thought I should check that there wasn't some fancy garbage collection thing happening.
Do you happen to have a quick example of how to use the om-tools mixin to automatically unsubscribe? Thanks! On 30 October 2014 20:24, Daniel Kersten <[email protected]> wrote: > Yes, you should terminate the go block in will-unmont, otherwise if your > component is mounted multiple times, you will end up with multiple go blocks > consuming from the channel. If you are transacting on a cursor, then this > will just eat up resources, but if you are accessing owner (eg to get/set > local state) then you also risk accessing stale react components. > > I personally use an om-tools mixin to handle both subscribing and > unsubscribing to core.async pubs. This way I don't have to remember to > unsubscribe in unmount myself. > > On 30 October 2014 18:01, Colin Yates <[email protected]> wrote: >> >> (om/core.async newbie warning) >> >> I see a common pattern (including in the om tutorials) of using channels >> to communicate. Specifically I see code similar to: >> >> [code] >> om/IWillMount >> (will-mount [_] >> (let [nav (om/get-shared owner :nav-chan)] >> (go (loop [] >> (let [page (<! nav)] >> (om/transact! app :page (fn [x] page)) >> (recur)))) >> [/code] >> >> What happens when that component is unmounted? Do I need to stop listening >> to that channel and if so how do I do that? >> >> I am not claiming there is a problem, I am simply asking if there is a >> potential problem and for clarity on the mechanics. >> >> For context, I am mounting/unmounting quite a bit as they navigate through >> the app. >> >> Thanks! >> >> -- >> Note that posts from new members are moderated - please be patient with >> your first post. >> --- >> You received this message because you are subscribed to the Google Groups >> "ClojureScript" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/clojurescript. > > > -- > Note that posts from new members are moderated - please be patient with your > first post. > --- > You received this message because you are subscribed to a topic in the > Google Groups "ClojureScript" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/clojurescript/XTdL_KHuvG8/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/clojurescript. -- Note that posts from new members are moderated - please be patient with your first post. --- You received this message because you are subscribed to the Google Groups "ClojureScript" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/clojurescript.
