UNPKG

@modern-kit/react

Version:
75 lines (70 loc) 2.59 kB
'use strict'; var utils = require('@modern-kit/utils'); var React = require('react'); const CUSTOM_EVENT_KEYS = "modern-kit-session-storage"; const sessionStorageEventHandler = { key: CUSTOM_EVENT_KEYS, subscribe: (callback) => { window.addEventListener(CUSTOM_EVENT_KEYS, callback); }, unsubscribe: (callback) => { window.removeEventListener(CUSTOM_EVENT_KEYS, callback); }, dispatchEvent: () => { window.dispatchEvent(new StorageEvent(CUSTOM_EVENT_KEYS)); } }; const getSnapshot = (key) => { return window.sessionStorage.getItem(key); }; const getServerSnapshot = (initialValue) => { return JSON.stringify(initialValue); }; const subscribe = (callback) => { sessionStorageEventHandler.subscribe(callback); return () => { sessionStorageEventHandler.unsubscribe(callback); }; }; function useSessionStorage(props) { const { key } = props; const initialValue = "initialValue" in props ? props.initialValue : null; const initialValueToUse = utils.isFunction(initialValue) ? initialValue() : initialValue; const externalStoreState = React.useSyncExternalStore( subscribe, () => getSnapshot(key), () => getServerSnapshot(initialValueToUse) ); const state = React.useMemo(() => { return externalStoreState ? utils.parseJSON(externalStoreState) : initialValueToUse; }, [externalStoreState, initialValueToUse]); const setState = React.useCallback( (value) => { try { const prevStateString = getSnapshot(key); const prevState = prevStateString ? utils.parseJSON(prevStateString) : initialValueToUse; const valueToUse = utils.isFunction(value) ? value(prevState) : value; window.sessionStorage.setItem(key, JSON.stringify(valueToUse)); sessionStorageEventHandler.dispatchEvent(); } catch (err) { throw new Error( `\uC138\uC158 \uC2A4\uD1A0\uB9AC\uC9C0 "${key}" key\uC5D0 \uB370\uC774\uD130\uB97C \uC800\uC7A5\uD558\uB294\uB370 \uC2E4\uD328\uD588\uC2B5\uB2C8\uB2E4: ${err}` ); } }, [key, initialValueToUse] ); const removeState = React.useCallback(() => { try { window.sessionStorage.removeItem(key); sessionStorageEventHandler.dispatchEvent(); } catch (err) { throw new Error( `\uC138\uC158 \uC2A4\uD1A0\uB9AC\uC9C0 "${key}" key\uC758 \uB370\uC774\uD130\uB97C \uC0AD\uC81C\uD558\uB294\uB370 \uC2E4\uD328\uD588\uC2B5\uB2C8\uB2E4: ${err}` ); } }, [key]); return { state, setState, removeState }; } exports.useSessionStorage = useSessionStorage; //# sourceMappingURL=index.cjs.map