Method removeNode

src/gridstack-engine.ts:790–804

* Remove the given node from the grid. * * @param node the node to remove * @param removeDOM if true (default), marks node for DOM removal * @param triggerEvent if true, adds node to removedNodes list for event triggering * @returns the engine instance for chaining * * @example

(node: GridStackNode, removeDOM = true, triggerEvent = false)

   * engine.removeNode(node, true, true);
   */
  public removeNode(node: GridStackNode, removeDOM = true, triggerEvent = false): GridStackEngine {
    if (!this.nodes.find(n => n._id === node._id)) {
      // TEST console.log(`Error: GridStackEngine.removeNode() node._id=${node._id} not found!`)
      return this;
    }
    if (triggerEvent) { // we wait until final drop to manually track removed items (rather than during drag)
      this.removedNodes.push(node);
    }
    if (removeDOM) node._removeDOM = true; // let CB remove actual HTML (used to set _id to null, but then we loose layout info)
    // don't use 'faster' .splice(findIndex(),1) in case node isn't in our list, or in multiple times.
    this.nodes = this.nodes.filter(n => n._id !== node._id);
    if (!node._isAboutToRemove) this._packNodes(); // if dragged out, no need to relayout as already done...
    this._notify([node]);
    return this;
  }

  /**
   * Remove all nodes from the grid.