import { ContentRef } from "@nteract/core"; import * as React from "react"; import NotificationSystem, { System as ReactNotificationSystem } from "react-notification-system"; import { default as Contents } from "./contents"; export class NotebookComponent extends React.Component<{ contentRef: ContentRef }> { notificationSystem!: ReactNotificationSystem; shouldComponentUpdate(nextProps: { contentRef: ContentRef }): boolean { return nextProps.contentRef !== this.props.contentRef; } public render(): JSX.Element { return (