basic functionality

src/lib/launcherLocalStorage.ts

@@ -0,0 +1,98 @@
+export type LauncherActiveViewId = number | "default";
+
+const LAST_VIEW_PREFIX = "pangolin:launcher:last-view:";
+const GROUP_OPEN_PREFIX = "pangolin:launcher:group-open:";
+
+function lastViewKey(orgId: string) {
+    return `${LAST_VIEW_PREFIX}${orgId}`;
+}
+
+function groupOpenKey(
+    orgId: string,
+    viewId: LauncherActiveViewId,
+    groupBy: "site" | "label"
+) {
+    return `${GROUP_OPEN_PREFIX}${orgId}:${viewId}:${groupBy}`;
+}
+
+function readJson<T>(key: string, fallback: T): T {
+    if (typeof window === "undefined") {
+        return fallback;
+    }
+
+    try {
+        const raw = window.localStorage.getItem(key);
+        return raw ? (JSON.parse(raw) as T) : fallback;
+    } catch (error) {
+        console.warn(`Error reading localStorage key "${key}":`, error);
+        return fallback;
+    }
+}
+
+function writeJson(key: string, value: unknown) {
+    if (typeof window === "undefined") {
+        return;
+    }
+
+    try {
+        window.localStorage.setItem(key, JSON.stringify(value));
+    } catch (error) {
+        console.warn(`Error writing localStorage key "${key}":`, error);
+    }
+}
+
+export function readLauncherLastView(
+    orgId: string
+): LauncherActiveViewId | null {
+    const value = readJson<LauncherActiveViewId | null>(
+        lastViewKey(orgId),
+        null
+    );
+    if (value === "default" || typeof value === "number") {
+        return value;
+    }
+    return null;
+}
+
+export function writeLauncherLastView(
+    orgId: string,
+    viewId: LauncherActiveViewId
+) {
+    writeJson(lastViewKey(orgId), viewId);
+}
+
+export function readLauncherGroupOpenState(
+    orgId: string,
+    viewId: LauncherActiveViewId,
+    groupBy: "site" | "label"
+): Record<string, boolean> {
+    return readJson<Record<string, boolean>>(
+        groupOpenKey(orgId, viewId, groupBy),
+        {}
+    );
+}
+
+export function readLauncherGroupOpen(
+    orgId: string,
+    viewId: LauncherActiveViewId,
+    groupBy: "site" | "label",
+    groupKey: string,
+    defaultOpen: boolean
+): boolean {
+    const state = readLauncherGroupOpenState(orgId, viewId, groupBy);
+    return groupKey in state ? state[groupKey] : defaultOpen;
+}
+
+export function writeLauncherGroupOpen(
+    orgId: string,
+    viewId: LauncherActiveViewId,
+    groupBy: "site" | "label",
+    groupKey: string,
+    isOpen: boolean
+) {
+    const state = readLauncherGroupOpenState(orgId, viewId, groupBy);
+    writeJson(groupOpenKey(orgId, viewId, groupBy), {
+        ...state,
+        [groupKey]: isOpen
+    });
+}