37 lines
956 B
TypeScript
37 lines
956 B
TypeScript
import React, {useCallback} from "react";
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export function ListLoader({count, itemContent}: {
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/**
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* Sample items count.
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* 3 by default.
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*/
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count?: number;
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/**
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* Sample items content or content generator function.
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*/
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itemContent?: React.ReactNode|((key: number) => React.ReactNode);
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})
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{
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// Sample items count. 3 by default.
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count = count === undefined ? 3 : count;
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// Initialize the sample content generator.
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const contentGenerator = useCallback((key: number) => (
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typeof itemContent != "function"
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// No function given, return the given content or a sample text.
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? (itemContent ?? "Loading content...")
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// A function have been given, just return its result.
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: itemContent(key)
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), [itemContent]);
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return (
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<ul className={"list loader"}>
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{ // Render every sample item.
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[...Array(count)].map((_, key) => (
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<li key={key}><div className={"content"}>{contentGenerator(key)}</div></li>
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))
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}
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</ul>
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);
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}
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