Macbook
44 lines
1.2 KiB
TypeScript
44 lines
1.2 KiB
TypeScript
/** 데스크톱 메인↔위젯 창 상태 동기화 (localStorage) */
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export const DESKTOP_SYNC_KEY = 'gc_desktop_sync';
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export interface DesktopSyncState {
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selectedMarket?: string;
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selectedStrategyId?: number | null;
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theme?: string;
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updatedAt: number;
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}
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export function readDesktopSync(): DesktopSyncState | null {
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try {
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const raw = localStorage.getItem(DESKTOP_SYNC_KEY);
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if (!raw) return null;
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return JSON.parse(raw) as DesktopSyncState;
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} catch {
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return null;
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}
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}
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export function writeDesktopSync(partial: Omit<DesktopSyncState, 'updatedAt'>): void {
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const prev = readDesktopSync() ?? { updatedAt: 0 };
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const next: DesktopSyncState = {
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...prev,
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...partial,
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updatedAt: Date.now(),
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};
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try {
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localStorage.setItem(DESKTOP_SYNC_KEY, JSON.stringify(next));
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} catch {
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/* ignore */
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}
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}
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export function subscribeDesktopSync(cb: (state: DesktopSyncState) => void): () => void {
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const onStorage = (e: StorageEvent) => {
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if (e.key !== DESKTOP_SYNC_KEY) return;
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const state = readDesktopSync();
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if (state) cb(state);
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};
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window.addEventListener('storage', onStorage);
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return () => window.removeEventListener('storage', onStorage);
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}
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