frontend-admin / Daocheng-Yading

  import { memoize } from './utils/js_utils.js'
  
  declare global {
  	interface Window extends HTMLElement {
  		safari: any
  	}
  }
  
  export type Predicate = () => boolean
  export const isFirefox: Predicate = memoize(() =>
  	/firefox/i.test(navigator.userAgent),
  )
  export const isSafari: Predicate = memoize(() => Boolean(window.safari))