Function handler

packages/app/src/pages/layout.tsx:1279–1284

(event: Event)

  onMount(() => {
    const handler = (event: Event) => {
      const detail = (event as CustomEvent<{ urls: string[] }>).detail
      const urls = detail?.urls ?? []
      if (urls.length === 0) return
      handleDeepLinks(urls)
    }

    handleDeepLinks(drainPendingDeepLinks(window))
    makeEventListener(window, deepLinkEvent, handler as EventListener)