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import useSWR, { SWRConfiguration, SWRResponse } from 'swr';
import _ from 'lodash';
import { get } from '../requests';
type Response<T> = SWRResponse<T, Error>;
const fetcher = (endpoint: string) => get(endpoint).then(response => response.data);
interface ServiceHooks<T = any> {
useList: (query?: string, options?: SWRConfiguration) => Response<T[]>
useItem: (id: string) => Response<T>
}
type Hooks = Record<string, ServiceHooks>;
const hooks: Hooks = {};
const registerServiceHooks = <Item = any>(service: string): void => {
if (hooks[service]) return;
const useList = (query = '', options = {}): Response<Item[]> => {
return useSWR(`/${service}${query}`, fetcher, options);
};
const useItem = (_id: string): Response<Item> => {
const { data: preloadedItems } = useList('', { revalidateOnMount: false });
const result = useSWR(_id && `/${service}/${_id}`, fetcher);
if (!result.data && result.isValidating) {
// If we are waiting for the first result, check if we can maybe
// get the data from already cached list for the time-being
const item = _.find(preloadedItems, { _id });
return { ...result, data: item } as Response<Item>;
}
return result;
};
hooks[service] = { useItem, useList };
};
export { registerServiceHooks };
export default hooks;
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