Files
History-client/lib/editor/background/backgroundVisibilityStorage.ts
2026-04-20 23:27:38 +07:00

59 lines
1.8 KiB
TypeScript

import {
BACKGROUND_LAYER_OPTIONS,
BackgroundLayerVisibility,
DEFAULT_BACKGROUND_LAYER_VISIBILITY,
} from "@/lib/backgroundLayers";
const BACKGROUND_LAYER_VISIBILITY_STORAGE_KEY = "uhm.backgroundLayerVisibility.v1";
export function loadBackgroundLayerVisibilityFromStorage(): BackgroundLayerVisibility {
if (typeof window === "undefined") {
return { ...DEFAULT_BACKGROUND_LAYER_VISIBILITY };
}
try {
const raw = window.localStorage.getItem(BACKGROUND_LAYER_VISIBILITY_STORAGE_KEY);
if (!raw) {
return { ...DEFAULT_BACKGROUND_LAYER_VISIBILITY };
}
const parsed = JSON.parse(raw) as unknown;
const normalized = normalizeBackgroundLayerVisibility(parsed);
return normalized || { ...DEFAULT_BACKGROUND_LAYER_VISIBILITY };
} catch (err) {
console.warn("Load background layer visibility from storage failed", err);
return { ...DEFAULT_BACKGROUND_LAYER_VISIBILITY };
}
}
export function persistBackgroundLayerVisibility(visibility: BackgroundLayerVisibility) {
if (typeof window === "undefined") return;
try {
window.localStorage.setItem(
BACKGROUND_LAYER_VISIBILITY_STORAGE_KEY,
JSON.stringify(visibility)
);
} catch (err) {
console.warn("Persist background layer visibility failed", err);
}
}
function normalizeBackgroundLayerVisibility(raw: unknown): BackgroundLayerVisibility | null {
if (!raw || typeof raw !== "object") return null;
const source = raw as Record<string, unknown>;
const next: BackgroundLayerVisibility = {
...DEFAULT_BACKGROUND_LAYER_VISIBILITY,
};
for (const layer of BACKGROUND_LAYER_OPTIONS) {
const value = source[layer.id];
if (typeof value === "boolean") {
next[layer.id] = value;
}
}
return next;
}