52 lines
1.3 KiB
TypeScript
52 lines
1.3 KiB
TypeScript
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import type { PersistedRefineSession } from "./types";
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const PREFIX = "haixun-refine-session";
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function storageKey(topicId: string) {
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return `${PREFIX}-${topicId}`;
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}
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export function loadPersistedSession(topicId: string): PersistedRefineSession | null {
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if (typeof window === "undefined") return null;
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try {
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const raw = localStorage.getItem(storageKey(topicId));
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if (!raw) return null;
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return JSON.parse(raw) as PersistedRefineSession;
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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 savePersistedSession(session: PersistedRefineSession): void {
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if (typeof window === "undefined") return;
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try {
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localStorage.setItem(storageKey(session.topicId), JSON.stringify(session));
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} catch {
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// quota or private mode — in-memory session still works
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}
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}
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export function removePersistedSession(topicId: string): void {
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if (typeof window === "undefined") return;
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try {
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localStorage.removeItem(storageKey(topicId));
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} catch {
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// ignore
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}
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}
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export function listPersistedTopicIds(): string[] {
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if (typeof window === "undefined") return [];
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const ids: string[] = [];
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try {
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for (let i = 0; i < localStorage.length; i++) {
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const key = localStorage.key(i);
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if (key?.startsWith(`${PREFIX}-`)) {
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ids.push(key.slice(PREFIX.length + 1));
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}
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}
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} catch {
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// ignore
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}
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return ids;
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}
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