stupa-pdf-api/frontend/node_modules/react-query/es/react/useIsFetching.js

43 lines
1.4 KiB
JavaScript

import React from 'react';
import { notifyManager } from '../core/notifyManager';
import { parseFilterArgs } from '../core/utils';
import { useQueryClient } from './QueryClientProvider';
var checkIsFetching = function checkIsFetching(queryClient, filters, isFetching, setIsFetching) {
var newIsFetching = queryClient.isFetching(filters);
if (isFetching !== newIsFetching) {
setIsFetching(newIsFetching);
}
};
export function useIsFetching(arg1, arg2) {
var mountedRef = React.useRef(false);
var queryClient = useQueryClient();
var _parseFilterArgs = parseFilterArgs(arg1, arg2),
filters = _parseFilterArgs[0];
var _React$useState = React.useState(queryClient.isFetching(filters)),
isFetching = _React$useState[0],
setIsFetching = _React$useState[1];
var filtersRef = React.useRef(filters);
filtersRef.current = filters;
var isFetchingRef = React.useRef(isFetching);
isFetchingRef.current = isFetching;
React.useEffect(function () {
mountedRef.current = true;
checkIsFetching(queryClient, filtersRef.current, isFetchingRef.current, setIsFetching);
var unsubscribe = queryClient.getQueryCache().subscribe(notifyManager.batchCalls(function () {
if (mountedRef.current) {
checkIsFetching(queryClient, filtersRef.current, isFetchingRef.current, setIsFetching);
}
}));
return function () {
mountedRef.current = false;
unsubscribe();
};
}, [queryClient]);
return isFetching;
}