@antv/x6/src/registry/edge-anchor/closest.ts

JavaScript diagramming library that uses SVG and HTML for rendering.

import { Point } from '../../geometry'
import { ResolveOptions, resolve } from '../node-anchor/util'
import { EdgeAnchor } from './index'

export interface ClosestEndpointOptions extends ResolveOptions {}

export const getClosestPoint: EdgeAnchor.ResolvedDefinition<ClosestEndpointOptions> =
  function (
    view,
    magnet,
    refPoint,
    options, // eslint-disable-line @typescript-eslint/no-unused-vars
  ) {
    const closestPoint = view.getClosestPoint(refPoint)
    return closestPoint != null ? closestPoint : new Point()
  }

export const closest = resolve<
  EdgeAnchor.ResolvedDefinition<ResolveOptions>,
  EdgeAnchor.Definition<ClosestEndpointOptions>
>(getClosestPoint)