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Reorganize redux and hooks (1/4) (#985)

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Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de>
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Tilman Vatteroth 2021-02-01 22:55:49 +01:00 • committed by GitHub
parent bdf8110676
commit 1b7abf9f27
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61 changed files with 898 additions and 986 deletions
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11
src/components/editor/scroll/hooks/use-on-user-scroll.ts
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@ -8,13 +8,13 @@ import { RefObject, useCallback } from 'react'
import { LineMarkerPosition } from '../../../markdown-renderer/types'
import { ScrollState } from '../scroll-props'
export const useOnUserScroll = (lineMarks: LineMarkerPosition[] | undefined, renderer: RefObject<HTMLElement>, onScroll: ((newScrollState: ScrollState) => void) | undefined): () => void =>
useCallback(() => {
if (!renderer.current || !lineMarks || lineMarks.length === 0 || !onScroll) {
export const useOnUserScroll = (lineMarks: LineMarkerPosition[] | undefined, scrollContainer: RefObject<HTMLElement>, onScroll: ((newScrollState: ScrollState) => void) | undefined): () => void => {
return useCallback(() => {
if (!scrollContainer.current || !lineMarks || lineMarks.length === 0 || !onScroll) {
return
}
const scrollTop = renderer.current.scrollTop
const scrollTop = scrollContainer.current.scrollTop
const lineMarksBeforeScrollTop = lineMarks.filter(lineMark => lineMark.position <= scrollTop)
if (lineMarksBeforeScrollTop.length === 0) {
@ -44,4 +44,5 @@ export const useOnUserScroll = (lineMarks: LineMarkerPosition[] | undefined, ren
const newScrollState: ScrollState = { firstLineInView: line, scrolledPercentage: innerScrolling }
onScroll(newScrollState)
}, [lineMarks, onScroll, renderer])
}, [lineMarks, onScroll, scrollContainer])
}