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react-query

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Hooks for managing, caching and syncing asynchronous and remote data in React

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import React from 'react'; import { useTheme } from "./theme.mjs"; import useMediaQuery from "./useMediaQuery.mjs"; export const isServer = typeof window === 'undefined'; export function getQueryStatusColor({ queryState, observerCount, isStale, theme }) { return queryState.fetchStatus === 'fetching' ? theme.active : !observerCount ? theme.gray : queryState.fetchStatus === 'paused' ? theme.paused : isStale ? theme.warning : theme.success; } export function getQueryStatusLabel(query) { return query.state.fetchStatus === 'fetching' ? 'fetching' : !query.getObserversCount() ? 'inactive' : query.state.fetchStatus === 'paused' ? 'paused' : query.isStale() ? 'stale' : 'fresh'; } export function styled(type, newStyles, queries = {}) { return /*#__PURE__*/React.forwardRef(({ style, ...rest }, ref) => { const theme = useTheme(); const mediaStyles = Object.entries(queries).reduce((current, [key, value]) => { // eslint-disable-next-line react-hooks/rules-of-hooks return useMediaQuery(key) ? { ...current, ...(typeof value === 'function' ? value(rest, theme) : value) } : current; }, {}); return /*#__PURE__*/React.createElement(type, { ...rest, style: { ...(typeof newStyles === 'function' ? newStyles(rest, theme) : newStyles), ...style, ...mediaStyles }, ref }); }); } export function useIsMounted() { const mountedRef = React.useRef(false); const isMounted = React.useCallback(() => mountedRef.current, []); React[isServer ? 'useEffect' : 'useLayoutEffect'](() => { mountedRef.current = true; return () => { mountedRef.current = false; }; }, []); return isMounted; } /** * Displays a string regardless the type of the data * @param {unknown} value Value to be stringified */ export const displayValue = value => { const name = Object.getOwnPropertyNames(Object(value)); const newValue = typeof value === 'bigint' ? value.toString() + "n" : value; return JSON.stringify(newValue, name); };