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perf: fast rendering for long pages (no need to wait for seconds)

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Tienson Qin
2023-09-06 22:00:39 +08:00
parent 4657acbc43
commit 853b54510c
1 changed files with 10 additions and 5 deletions
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15
src/main/frontend/components/block.cljs
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@@ -3400,16 +3400,21 @@
(str "-" (:block/uuid original-block)))))))
(defn- get-hidden-atom
[sub-id *ref]
(rum/derived-atom [(:ui/main-container-scroll-top @state/state)] [::lazy-display sub-id]
(fn [top]
(boolean (hide-block? @*ref)))))
[sub-id *ref {:keys [initial-value]}]
(let [*initial? (atom true)]
(rum/derived-atom [(:ui/main-container-scroll-top @state/state)] [::lazy-display sub-id]
(fn [_top]
(if (and @*initial? (some? initial-value))
(do
(reset! *initial? false)
initial-value)
(boolean (hide-block? @*ref)))))))
(rum/defcs block-item < rum/reactive
{:init (fn [state]
(let [id (random-uuid)
*ref (atom nil)
*hidden? (get-hidden-atom id *ref)]
*hidden? (get-hidden-atom id *ref {:initial-value true})]
(assoc state ::sub-id id ::ref *ref ::hidden? *hidden?)))
:should-update (fn [old-state new-state]
(let [args-1 (:rum/args old-state)