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fix: set triggerOnce for references

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This commit is contained in:
Tienson Qin
2022-08-20 09:47:38 +08:00
committed by Andelf
parent d39947abe0
commit dbf82ebdc1
4 changed files with 13 additions and 18 deletions
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17
src/main/frontend/ui.cljs
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@@ -936,24 +936,17 @@
([content-fn]
(lazy-visible content-fn nil))
([content-fn {:keys [trigger-once? _debug-id]
:or {trigger-once? false}}]
:or {trigger-once? true}}]
(if (or (util/mobile?) (mobile-util/native-platform?))
(content-fn)
(let [[visible? set-visible!] (rum/use-state false)
[last-changed-time set-last-changed-time!] (rum/use-state nil)
inViewState (useInView #js {:rootMargin "100px"
:triggerOnce trigger-once?
:onChange (fn [in-view? entry]
(let [self-top (.-top (.-boundingClientRect entry))
time' (util/time-ms)]
(when (and
(or (and (not visible?) in-view?)
;; hide only the components below the current top for better ux
(and visible? (not in-view?) (> self-top 0)))
(or (nil? last-changed-time)
(and (some? last-changed-time)
(> (- time' last-changed-time) 50))))
(set-last-changed-time! time')
(let [self-top (.-top (.-boundingClientRect entry))]
(when (or (and (not visible?) in-view?)
;; hide only the components below the current top for better ux
(and visible? (not in-view?) (> self-top 0)))
(set-visible! in-view?))))})
ref (.-ref inViewState)]
(lazy-visible-inner visible? content-fn ref)))))