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Normalize registration storage access #10580

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Normalize registration storage access #10580

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16 changes: 12 additions & 4 deletions src/utils/registerUtils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,11 +3,18 @@ import { safeJsonParse } from "./safeJsonParse.js";
const STORAGE_KEY = "eventRegistrations";

const normalizeEmail = (email) => (email || "").trim().toLowerCase();
const getStorage = () => {
if (typeof window !== "undefined" && window.localStorage) {
return window.localStorage;
}
return globalThis.localStorage;
};

const readRegistrations = () => {
if (typeof window === "undefined") return {};
const storage = getStorage();
if (!storage) return {};
try {
const data = localStorage.getItem(STORAGE_KEY);
const data = storage.getItem(STORAGE_KEY);
const parsed = safeJsonParse(data, {});
// Migrate legacy array-based storage to Set-based storage
const migrated = {};
Expand All @@ -23,9 +30,10 @@ const readRegistrations = () => {
};

const writeRegistrations = (registrations) => {
if (typeof window === "undefined") return;
const storage = getStorage();
if (!storage) return;
try {
localStorage.setItem(STORAGE_KEY, JSON.stringify(registrations));
storage.setItem(STORAGE_KEY, JSON.stringify(registrations));
} catch {
// localStorage may be unavailable or full; keep the UI functional.
}
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