class AppBar extends Component<AppBarProps>import { AppBar } from "https://deno.land/x/nano_jsx@v0.0.36/ui/index.ts"; Propertiescontainer: HTMLElementcurr_scrollingState: stringcurr_scrollY: numberlast_scrollingState: stringlast_scrollY: numberMethodscalcScrollPosition()didMount()didUnmount()merge()render()scroll()