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72 lines
1.7 KiB
TypeScript
72 lines
1.7 KiB
TypeScript
import React, { useEffect, useState } from 'react';
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import { Anchor, Row, Col } from 'antd';
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const App: React.FC = () => {
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const topRef = React.useRef<HTMLDivElement>(null);
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const [targetOffset, setTargetOffset] = useState<number | undefined>(undefined);
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useEffect(() => {
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setTargetOffset(topRef.current?.clientHeight);
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}, []);
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return (
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<div>
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<Row>
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<Col span={18}>
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<div
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id="part-1"
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style={{ height: '100vh', background: 'rgba(255,0,0,0.02)', marginTop: '30vh' }}
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>
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Part 1
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</div>
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<div id="part-2" style={{ height: '100vh', background: 'rgba(0,255,0,0.02)' }}>
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Part 2
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</div>
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<div id="part-3" style={{ height: '100vh', background: 'rgba(0,0,255,0.02)' }}>
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Part 3
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</div>
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</Col>
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<Col span={6}>
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<Anchor
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targetOffset={targetOffset}
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items={[
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{
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key: 'part-1',
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href: '#part-1',
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title: 'Part 1',
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},
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{
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key: 'part-2',
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href: '#part-2',
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title: 'Part 2',
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},
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{
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key: 'part-3',
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href: '#part-3',
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title: 'Part 3',
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},
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]}
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/>
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</Col>
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</Row>
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<div
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style={{
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height: '30vh',
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background: 'rgba(0,0,0,0.85)',
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position: 'fixed',
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top: 0,
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left: 0,
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width: '75%',
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color: '#FFF',
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}}
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ref={topRef}
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>
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<div>Fixed Top Block</div>
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</div>
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</div>
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);
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};
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export default App;
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