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35 lines
990 B
35 lines
990 B
/* eslint-disable import/prefer-default-export */
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import * as React from 'react';
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export function preLoad(list: string[]) {
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if (typeof window !== 'undefined') {
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// 图处预加载；
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const div = document.createElement('div');
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div.style.display = 'none';
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document.body.appendChild(div);
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list.forEach(src => {
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const img = new Image();
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img.src = src;
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div.appendChild(img);
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});
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}
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}
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export function useSiteData<T extends object>(): [T, boolean] {
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const [data, setData] = React.useState<T>({} as any);
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const [loading, setLoading] = React.useState<boolean>(false);
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React.useEffect(() => {
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if (Object.keys(data).length === 0 && typeof fetch !== 'undefined') {
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setLoading(true);
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fetch(`https://render.alipay.com/p/h5data/antd4-config_website-h5data.json`)
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.then(res => res.json())
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.then(result => {
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setData(result);
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setLoading(false);
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});
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}
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}, []);
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return [data, loading];
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}
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