Method removeReroute

src/LGraph.ts:1324–1369

* Removes a reroute from the graph * @param id ID of reroute to remove

(id: RerouteId)

   * @param id ID of reroute to remove
   */
  removeReroute(id: RerouteId): void {
    const { reroutes } = this
    const reroute = reroutes.get(id)
    if (!reroute) return

    this.canvasAction(c => c.deselect(reroute))

    // Extract reroute from the reroute chain
    const { parentId, linkIds, floatingLinkIds } = reroute
    for (const reroute of reroutes.values()) {
      if (reroute.parentId === id) reroute.parentId = parentId
    }

    for (const linkId of linkIds) {
      const link = this._links.get(linkId)
      if (link && link.parentId === id) link.parentId = parentId
    }

    for (const linkId of floatingLinkIds) {
      const link = this.floatingLinks.get(linkId)
      if (!link) {
        console.warn(`Removed reroute had floating link ID that did not exist [${linkId}]`)
        continue
      }

      // A floating link is a unique branch; if there is no parent reroute, or
      // the parent reroute has any other links, remove this floating link.
      const floatingReroutes = LLink.getReroutes(this, link)
      const lastReroute = floatingReroutes.at(-1)
      const secondLastReroute = floatingReroutes.at(-2)

      if (reroute !== lastReroute) {
        continue
      } else if (secondLastReroute?.totalLinks !== 1) {
        this.removeFloatingLink(link)
      } else if (link.parentId === id) {
        link.parentId = parentId
        secondLastReroute.floating = reroute.floating
      }
    }

    reroutes.delete(id)
    // This does not belong here; it should be handled by the caller, or run by a remove-many API.
    // https://github.com/Comfy-Org/litegraph.js/issues/898
    this.setDirtyCanvas(false, true)
  }

  /**
   * Destroys a link