Files
fauxjira/client/src/shared/hooks/api/query.js
2020-01-05 02:54:46 +01:00

86 lines
2.3 KiB
JavaScript

import { useRef, useCallback, useEffect } from 'react';
import { isEqual } from 'lodash';
import api from 'shared/utils/api';
import useMergeState from 'shared/hooks/mergeState';
import useDeepCompareMemoize from 'shared/hooks/deepCompareMemoize';
const useQuery = (url, propsVariables = {}, options = {}) => {
const { lazy = false, cachePolicy = 'cache-first' } = options;
const [state, mergeState] = useMergeState({
data: null,
error: null,
isLoading: !lazy,
variables: {},
});
const wasCalledRef = useRef(false);
const propsVariablesMemoized = useDeepCompareMemoize(propsVariables);
const stateRef = useRef();
stateRef.current = state;
const makeRequest = useCallback(
(newVariables = {}, isAutoCalled) => {
const variables = { ...stateRef.current.variables, ...newVariables };
const apiVariables = { ...propsVariablesMemoized, ...variables };
const isCacheAvailable = cache[url] && isEqual(cache[url].apiVariables, apiVariables);
const isCacheAvailableAndPermitted =
isCacheAvailable && isAutoCalled && cachePolicy !== 'no-cache';
if (isCacheAvailableAndPermitted) {
mergeState({ data: cache[url].data, error: null, isLoading: false, variables });
if (cachePolicy === 'cache-only') {
return;
}
}
if (!isCacheAvailableAndPermitted && (lazy || wasCalledRef.current)) {
mergeState({ isLoading: true, variables });
}
api.get(url, apiVariables).then(
data => {
cache[url] = { apiVariables, data };
mergeState({ data, error: null, isLoading: false });
},
error => {
mergeState({ error, data: null, isLoading: false });
},
);
wasCalledRef.current = true;
},
[propsVariablesMemoized, cachePolicy, url, lazy, mergeState],
);
useEffect(() => {
if (!lazy || wasCalledRef.current) {
makeRequest({}, true);
}
}, [lazy, makeRequest]);
const setLocalData = useCallback(
getUpdatedData => mergeState(({ data }) => ({ data: getUpdatedData(data) })),
[mergeState],
);
return [
{
...state,
wasCalled: wasCalledRef.current,
variables: { ...propsVariablesMemoized, ...state.variables },
setLocalData,
},
makeRequest,
];
};
const cache = {};
export default useQuery;