Method unlink

packages/core/src/document/node/node.ts:479–485

* unlink this node from its parent and document

()

   * unlink this node from its parent and document
   */
  unlink() {
    if (this.parent) {
      this.parent.children!.unlinkChild(this)
    }
    this.internalUnlinkParent()
    this.document.unlinkNode(this)
  }

  /**
   * migrate this node to a new parent