getArrow()

in karavan-web/karavan-app/src/main/webui/src/designer/route/DslConnections.tsx [404:445]
42 lines of code
19 McCabe index (conditional complexity)

    getArrow(pos: DslPosition) {
        const endX = pos.headerRect.x + pos.headerRect.width / 2 - this.props.left;
        const endY = pos.headerRect.y - 9 - this.props.top;
        if (pos.parent) {
            const parent = this.state.steps.get(pos.parent.uuid);
            if (parent) {
                const startX = parent.headerRect.x + parent.headerRect.width / 2 - this.props.left;
                const startY = parent.headerRect.y + parent.headerRect.height - this.props.top;
                if ((!pos.inSteps || (pos.inSteps && pos.position === 0)) && parent.step.dslName !== 'MulticastDefinition') {
                    return (
                        <path name={pos.step.dslName} d={`M ${startX},${startY} C ${startX},${endY} ${endX},${startY}   ${endX},${endY}`}
                              className="path" key={pos.step.uuid} markerEnd="url(#arrowhead)"/>
                    )
                } else if (parent.step.dslName === 'MulticastDefinition' && pos.inSteps) {
                    return (
                        <path d={`M ${startX},${startY} C ${startX},${endY} ${endX},${startY}   ${endX},${endY}`}
                              className="path" key={pos.step.uuid} markerEnd="url(#arrowhead)"/>
                    )
                } else if (pos.inSteps && pos.position > 0 && !this.hasSteps(pos.step)) {
                    const prev = this.getPreviousStep(pos);
                    if (prev) {
                        const r = this.hasSteps(prev.step) ? prev.rect : prev.headerRect;
                        const prevX = r.x + r.width / 2 - this.props.left;
                        const prevY = r.y + r.height - this.props.top;
                        return (
                            <line x1={prevX} y1={prevY} x2={endX} y2={endY} className="path" key={pos.step.uuid} markerEnd="url(#arrowhead)"/>
                        )
                    }
                } else if (pos.inSteps && pos.position > 0 && this.hasSteps(pos.step)) {
                    const prev = this.getPreviousStep(pos);
                    if (prev) {
                        const r = this.hasSteps(prev.step) ? prev.rect : prev.headerRect;
                        const prevX = r.x + r.width / 2 - this.props.left;
                        const prevY = r.y + r.height - this.props.top;
                        return (
                            <line x1={prevX} y1={prevY} x2={endX} y2={endY} className="path" key={pos.step.uuid} markerEnd="url(#arrowhead)"/>
                        )
                    }
                }
            }
        }
    }