34 lines
780 B
TypeScript
34 lines
780 B
TypeScript
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import React, { useEffect, useState } from 'react';
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import { Spinner } from '@patternfly/react-core';
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type DataLoaderProps<T> = {
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loader: () => Promise<T>;
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deps?: any[];
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children: ((arg: T) => any) | React.ReactNode;
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};
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export function DataLoader<T>(props: DataLoaderProps<T>) {
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const [data, setData] = useState<{ result: T } | undefined>(undefined);
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useEffect(() => {
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setData(undefined);
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const loadData = async () => {
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const result = await props.loader();
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setData({ result });
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};
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loadData();
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}, [props]);
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if (!!data) {
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if (props.children instanceof Function) {
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return props.children(data.result);
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}
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return props.children;
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}
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return (
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<div style={{ textAlign: 'center' }}>
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<Spinner />
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</div>
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);
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}
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