Cleaner Efficient Code with Hooks and Functional Programming - Fixing Huge Components with hooks
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import React, { useEffect, useState } from "react"; | |
export const LazyLoader = ({ isLoading, isCompleted }) => { | |
const [data, setData] = useState([]); | |
const loadMore = () => { | |
// Load and setData here | |
}; | |
const handleScroll = () => { | |
if (!isLoading && isCompleted) { | |
loadMore(); | |
} | |
}; | |
// cDM and cWU | |
useEffect(() => { | |
document.addEventListener("scroll", handleScroll, false); | |
// more subscribers and event listeners | |
return () => { | |
document.removeEventListener("scroll", handleScroll, false); | |
// unsubscribe and remove listeners | |
}; | |
}, []); | |
// cDU | |
useEffect(() => { | |
// | |
}, [/** dependencies */]); | |
return data && <div>{data}</div>; | |
}; |
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