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Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de>
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Tilman Vatteroth 2021-02-02 00:03:47 +01:00 • committed by GitHub
parent 1b7abf9f27
commit 123f959fb3
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145 changed files with 586 additions and 301 deletions
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32
src/components/editor-page/synced-scroll/utils.ts Normal file
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/*
* SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
*
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { LineMarkerPosition } from '../../markdown-renderer/types'
export const findLineMarks = (lineMarks: LineMarkerPosition[], lineNumber: number): { lastMarkBefore: LineMarkerPosition | undefined, firstMarkAfter: LineMarkerPosition | undefined } => {
let lastMarkBefore
let firstMarkAfter
for (let i = 0; i < lineMarks.length; i++) {
const currentMark = lineMarks[i]
if (!currentMark) {
continue
}
if (currentMark.line <= lineNumber) {
lastMarkBefore = currentMark
}
if (currentMark.line > lineNumber) {
firstMarkAfter = currentMark
}
if (!!firstMarkAfter && !!lastMarkBefore) {
break
}
}
return {
lastMarkBefore,
firstMarkAfter
}
}