public update()

in src/visual.ts [569:623]

• 44 lines of code
• 8 McCabe index (conditional complexity)

    public update(options: VisualUpdateOptions): void {
        if (!options
            || !options.dataViews
            || !options.dataViews[0]
        ) {
            return;
        }

        this.data = ForceGraph.converter(
            options.dataViews[0],
            this.colorPalette,
            this.colorHelper,
            this.host
        );

        if (!this.data) {
            this.reset();
            return;
        }

        this.viewport = options.viewport;

        let k: number = Math.sqrt(Object.keys(this.data.nodes).length /
            (this.viewport.width * this.viewport.height));

        this.reset();

        this.forceLayout
            .gravity(ForceGraph.GravityFactor * k)
            .links(this.data.links)
            .size([this.viewport.width, this.viewport.height])
            .linkDistance(ForceGraph.LinkDistance)
            .charge(this.settings.size.charge / k);

        this.updateNodes();

        let nodesNum: number = Object.keys(this.data.nodes).length;
        const theta: number = 1.4;

        if (this.settings.animation.show && nodesNum <= ForceGraph.NoAnimationLimit) {
            this.forceLayout.on("tick", this.getForceTick());
            this.forceLayout.theta(theta).start();
            this.setVisualData(this.container, this.colorPalette, this.colorHelper);
        } else {
            this.forceLayout.theta(theta).start();

            for (let i = 0; i < nodesNum; ++i) {
                this.forceLayout.tick();
            }

            this.forceLayout.stop();
            this.setVisualData(this.container, this.colorPalette, this.colorHelper);
            this.forceLayout.on("tick", this.getForceTick());
        }
    }