@ant-design/graphs/es/core/edges/indented-edge.js

A React graph library based on Graphin

import { Polyline } from '@antv/g6';
export class IndentedEdge extends Polyline {
    getControlPoints(attributes) {
        const [sourcePoint, targetPoint] = this.getEndpoints(attributes, false);
        const [sx] = sourcePoint;
        const [, ty] = targetPoint;
        return [[sx, ty]];
    }
}