53 lines
1.4 KiB
JavaScript
Vendored
53 lines
1.4 KiB
JavaScript
Vendored
/*
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Copyright (C) 2025 QuantumNous
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This program 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
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program 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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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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For commercial licensing, please contact support@quantumnous.com
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*/
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import { useState, useEffect, useRef } from 'react';
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/**
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* 检测容器宽度的 Hook
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* @returns {[ref, width]} 容器引用和当前宽度
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*/
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export const useContainerWidth = () => {
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const [width, setWidth] = useState(0);
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const ref = useRef(null);
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useEffect(() => {
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const element = ref.current;
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if (!element) return;
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const resizeObserver = new ResizeObserver((entries) => {
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for (let entry of entries) {
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const { width: newWidth } = entry.contentRect;
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setWidth(newWidth);
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}
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});
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resizeObserver.observe(element);
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// 初始化宽度
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setWidth(element.getBoundingClientRect().width);
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return () => {
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resizeObserver.disconnect();
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};
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}, []);
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return [ref, width];
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};
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