class LocalStorage { constructor(baseName) { this.baseName = baseName || 'sf-metadata'; } getStorage() { try { return JSON.parse(window.localStorage.getItem(this.baseName) || '{}'); } catch (error) { return ''; } } setItem(key, value) { const storage = this.getStorage(); const newValue = { ...storage, [key]: value }; return window.localStorage.setItem(this.baseName, JSON.stringify(newValue)); } getItem(key) { const storage = this.getStorage(); return storage[key]; } } export default LocalStorage;