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⚡ Make efficiency improvements to use-shared-state hook

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This commit is contained in:
Andrey Antukh 2024-09-04 14:22:30 +02:00
parent e9c55e9eb4
commit 9619fcbc1f
1 changed files with 8 additions and 6 deletions
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14
frontend/src/app/main/ui/hooks.cljs
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@ -294,19 +294,21 @@
`key` for new values." `key` for new values."
[key default] [key default]
(let [id (mf/use-id) (let [id (mf/use-id)
state (mf/use-state (get @storage key default)) state* (mf/use-state #(get @storage key default))
state (deref state*)
stream (mf/with-memo [id] stream (mf/with-memo [id]
(->> mbc/stream (->> mbc/stream
(rx/filter #(not= (:id %) id)) (rx/filter #(not= (:id %) id))
(rx/filter #(= (:type %) key)) (rx/filter #(= (:type %) key))
(rx/map deref)))] (rx/map deref)))]
(mf/with-effect [@state key id] (mf/with-effect [state key id]
(mbc/emit! id key @state) (mbc/emit! id key state)
(swap! storage assoc key @state)) (swap! storage assoc key state))
(use-stream stream (partial reset! state)) (use-stream stream (partial reset! state*))
state))
state*))
(defonce ^:private intersection-subject (rx/subject)) (defonce ^:private intersection-subject (rx/subject))
(defonce ^:private intersection-observer (defonce ^:private intersection-observer