mirror of https://github.com/msgbyte/tailchat
feat: add <LoadingOnFirst />
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96fddef56f
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import React, { useMemo, useRef } from 'react';
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import { Loading, LoadingProps } from './Loading';
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interface LoadingOnFirstProps extends LoadingProps {
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spinning: boolean;
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className?: string;
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style?: React.CSSProperties;
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}
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/**
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* 类似于 <Loading /> 但是只会触发一次
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*/
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export const LoadingOnFirst: React.FC<LoadingOnFirstProps> = React.memo(
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(props) => {
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const lockRef = useRef(false);
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const spinning = useMemo(() => {
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if (lockRef.current === true) {
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return false;
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}
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if (props.spinning === true) {
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lockRef.current = true;
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}
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return props.spinning;
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}, [props.spinning]);
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return (
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<Loading {...props} spinning={spinning}>
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{props.children}
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</Loading>
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);
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}
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);
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LoadingOnFirst.displayName = 'LoadingOnFirst';
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