Method constructor

src/basics/tooltip.ts:54–62

(
    view: EditorView,
    private readonly facet: Facet<Tooltip | null>,
    private readonly createTooltipView: (tooltip: Tooltip) => TooltipView
  )

  tooltipViews: readonly TooltipView[];

  constructor(
    view: EditorView,
    private readonly facet: Facet<Tooltip | null>,
    private readonly createTooltipView: (tooltip: Tooltip) => TooltipView
  ) {
    this.input = view.state.facet(facet);
    this.tooltips = this.input.filter((t) => t) as Tooltip[];
    this.tooltipViews = this.tooltips.map(createTooltipView);
  }

  update(update: ViewUpdate) {
    if (update.focusChanged && !update.view.hasFocus)  {