42 lines
1.2 KiB
TypeScript
42 lines
1.2 KiB
TypeScript
/*
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* Copyright 2025 coze-dev Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { useState, useEffect, useRef } from 'react';
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export function useLineClamp() {
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const contentRef = useRef<HTMLDivElement>(null);
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const [isClamped, setIsClamped] = useState(false);
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useEffect(() => {
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const checkClamped = () => {
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if (contentRef.current) {
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setIsClamped(
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contentRef.current.scrollHeight > contentRef.current.clientHeight,
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);
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}
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};
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checkClamped();
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window.addEventListener('resize', checkClamped);
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return () => {
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window.removeEventListener('resize', checkClamped);
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};
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}, []);
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return { contentRef, isClamped };
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}
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