public update()

in src/TornadoChart.ts [512:551]
36 lines of code
15 McCabe index (conditional complexity)

    public update(options: VisualUpdateOptions): void {
        if (!options ||
            !options.dataViews ||
            !options.dataViews[0] ||
            !options.dataViews[0].categorical ||
            !options.dataViews[0].categorical.categories ||
            !options.dataViews[0].categorical.categories[0] ||
            !options.dataViews[0].categorical.categories[0].source ||
            !options.dataViews[0].categorical.values ||
            !options.dataViews[0].categorical.values[0] ||
            !options.dataViews[0].categorical.values[0].values ||
            !options.dataViews[0].categorical.values[0].values.length) {
            this.clearData();
            return;
        }

        this.viewport = {
            height: Math.max(0, options.viewport.height - this.margin.top - this.margin.bottom),
            width: Math.max(0, options.viewport.width - this.margin.left - this.margin.right)
        };

        this.dataView = TornadoChart.CONVERTER(this.validateDataView(options.dataViews[0]), this.hostService, this.textOptions, this.colors, this.localizationManager);
        if (!this.dataView || this.scrolling.scrollViewport.height < TornadoChart.CategoryMinHeight) {
            this.clearData();
            return;
        }
        
        this.root.on("contextmenu", () => {
            const mouseEvent: MouseEvent = getEvent();
            const eventTarget: EventTarget = mouseEvent.target;
            let dataPoint: any = d3.select(<d3.BaseType>eventTarget).datum();
            this.selectionManager.showContextMenu(dataPoint ? dataPoint.selectionId : {}, {
                x: mouseEvent.clientX,
                y: mouseEvent.clientY
            });
            mouseEvent.preventDefault();
        });

        this.render();
    }