function dragged()

in src/sankeyDiagram.ts [1595:1664]
58 lines of code
13 McCabe index (conditional complexity)

        function dragged(node: SankeyDiagramNode) {
            node.x = (getEvent()).x;
            node.y = (getEvent()).y;

            if (node.x < 0) {
                node.x = 0;
            }

            if (node.y < 0) {
                node.y = 0;
            }

            if (node.x + node.width > sankeyVisual.viewport.width) {
                node.x = sankeyVisual.viewport.width - node.width;
            }

            if (node.y + node.height > sankeyVisual.viewport.height) {
                node.y = sankeyVisual.viewport.height - node.height;
            }

            node.settings = {
                x: node.x.toFixed(2),
                y: node.y.toFixed(2),
                name: node.label.name
            };

            // Update each link related with this node
            node.links.forEach((link: SankeyDiagramLink) => {
                // select link svg element by ID generated in link creation as Source-Destination
                d3.select(`#${SankeyDiagram.createLink(link, true)}`).attr(
                    // get updated path params based on actual positions of node
                    "d", (link: SankeyDiagramLink) => {
                        if (link.direction === SankeyLinkDirrections.Forward) {
                            return sankeyVisual.getSvgPathForForwardLink(link);
                        }
                        if (link.direction === SankeyLinkDirrections.Backward) {
                            if (link.source.x + link.source.width > link.destination.x) {
                                return sankeyVisual.getSvgPathForForwardLink(link);
                            }
                            return sankeyVisual.getSvgPathForBackwardLink(link);
                        }
                        if (link.direction === SankeyLinkDirrections.SelfLink) {
                            return sankeyVisual.getSvgPathForSelfLink(link, minHeight);
                        }
                    }
                );
                d3.select(`#${SankeyDiagram.createLink(link)}`).attr(
                    // get updated path params based on actual positions of node
                    "d", (link: SankeyDiagramLink) => {
                        if (link.direction === SankeyLinkDirrections.Forward) {
                            return sankeyVisual.getSvgPathForForwardLink(link);
                        }
                        if (link.direction === SankeyLinkDirrections.Backward) {
                            if (link.source.x + link.source.width > link.destination.x) {
                                return sankeyVisual.getSvgPathForForwardLink(link);
                            }
                            return sankeyVisual.getSvgPathForBackwardLink(link);
                        }
                        if (link.direction === SankeyLinkDirrections.SelfLink) {
                            return sankeyVisual.getSvgPathForSelfLink(link, minHeight);
                        }
                    }
                );
            });

            // Translate the object on the actual moved point
            d3.select(this).attr(
                "transform", translate(node.x, node.y)
            );
        }