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@selfcommunity/react-core

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React Core Components useful for integrating UI Community components (react-ui).

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import { useEffect, useMemo, useState } from 'react'; import { SCOPE_SC_CORE } from '../constants/Errors'; import { http, Endpoints } from '@selfcommunity/api-services'; import { CacheStrategies, Logger, LRUCache } from '@selfcommunity/utils'; import { getCommentObjectCacheKey } from '../constants/Cache'; import { useDeepCompareEffectNoCheck } from 'use-deep-compare-effect'; /** :::info This custom hooks is used to fetch a comment. ::: * @param object * @param object.id * @param object.commentObject * @param object.cacheStrategy */ export default function useSCFetchCommentObject({ id = null, commentObject = null, cacheStrategy = CacheStrategies.CACHE_FIRST, }) { const __commentObjectId = commentObject ? commentObject.id : id; // CACHE const __commentObjectCacheKey = getCommentObjectCacheKey(__commentObjectId); const [obj, setObj] = useState(cacheStrategy !== CacheStrategies.NETWORK_ONLY ? LRUCache.get(__commentObjectCacheKey, commentObject) : commentObject); const [error, setError] = useState(null); /** * Memoized fetchCommentObject */ const fetchCommentObject = useMemo(() => () => { return http .request({ url: Endpoints.Comment.url({ id: __commentObjectId }), method: Endpoints.Comment.method, }) .then((res) => { if (res.status >= 300) { return Promise.reject(res); } return Promise.resolve(res.data); }); }, [__commentObjectId]); /** * If id and feedObjectType resolve feddObject */ useEffect(() => { if (__commentObjectId && (!obj || cacheStrategy === CacheStrategies.STALE_WHILE_REVALIDATE)) { fetchCommentObject() .then((obj) => { setObj(obj); LRUCache.set(__commentObjectCacheKey, obj); }) .catch((err) => { LRUCache.delete(__commentObjectCacheKey); setError(`CommentObject with id ${id} not found`); Logger.error(SCOPE_SC_CORE, `CommentObject with id ${id} not found`); Logger.error(SCOPE_SC_CORE, err.message); }); } }, [__commentObjectId]); useDeepCompareEffectNoCheck(() => { if (commentObject) { setObj(commentObject); LRUCache.set(__commentObjectCacheKey, obj); } }, [commentObject]); return { obj, setObj, error }; }