mirror of
https://github.com/fluxerapp/fluxer
synced 2026-10-18 21:45:31 +09:00
49 lines
1.3 KiB
TypeScript
49 lines
1.3 KiB
TypeScript
/*
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* Copyright (C) 2026 Fluxer Contributors
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*
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* This file is part of Fluxer.
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*
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* Fluxer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Fluxer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
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*/
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import {useEffect, useState} from 'react';
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export function useTextOverflow(ref: React.RefObject<HTMLElement | null>): boolean {
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const [isOverflowing, setIsOverflowing] = useState(false);
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useEffect(() => {
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const el = ref.current;
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if (!el) {
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setIsOverflowing(false);
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return;
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}
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const checkOverflow = () => {
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const {scrollWidth, clientWidth} = el;
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setIsOverflowing(scrollWidth - clientWidth > 1);
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};
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checkOverflow();
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const resizeObserver = new ResizeObserver(checkOverflow);
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resizeObserver.observe(el);
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return () => {
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resizeObserver.disconnect();
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};
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}, [ref]);
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return isOverflowing;
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}
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