export function set(key: string, val: T) { switch (typeof val) { case 'number': localStorage.setItem(key, val.toString()) break case 'string': localStorage.setItem(key, val) break case 'boolean': localStorage.setItem(key, val ? '1' : '0') break } } export function get(key: string, def: T): T { let store = localStorage.getItem(key) if (store) { switch (typeof def) { case 'number': return parseInt(store) as T case 'string': return store as T case 'boolean': return (store === '1') as T default: return def } } return def }