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829cc2fe48
* Add application state hook Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de> * Add docs Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>
19 lines
703 B
TypeScript
19 lines
703 B
TypeScript
/*
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* SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
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*
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import { useMemo } from 'react'
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import { useApplicationState } from '../../../hooks/common/use-application-state'
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export const useTrimmedContent = (content: string): [trimmedContent: string, contentExceedsLimit: boolean] => {
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const maxLength = useApplicationState((state) => state.config.maxDocumentLength)
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const contentExceedsLimit = content.length > maxLength
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const trimmedContent = useMemo(
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() => (contentExceedsLimit ? content.substr(0, maxLength) : content),
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[content, contentExceedsLimit, maxLength]
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)
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return [trimmedContent, contentExceedsLimit]
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}
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