NodeChange

onNodesChange 回调采用 NodeChange 对象数组，你应使用这些对象来更新流的状态。NodeChange 类型是六种不同对象类型的联合，表示节点在流中可以改变的各种方式。

¥The onNodesChange callback takes an array of NodeChange objects that you should use to update your flow’s state. The NodeChange type is a union of six different object types that represent that various ways an node can change in a flow.


export type NodeChange =
  | NodeDimensionChange
  | NodePositionChange
  | NodeSelectionChange
  | NodeRemoveChange
  | NodeAddChange
  | NodeReplaceChange;

变体类型

¥Variant types

NodeDimensionChange

Name	Type	Default
`id`	`string`
`type`	`"dimensions"`
`dimensions`	`Dimensions`
`resizing`	`boolean`
`setAttributes`	`boolean \| "width" \| "height"`

NodePositionChange

Name	Type	Default
`id`	`string`
`type`	`"position"`
`position`	`XYPosition`
`positionAbsolute`	`XYPosition`
`dragging`	`boolean`

NodeSelectionChange

Name	Type	Default
`id`	`string`
`type`	`"select"`
`selected`	`boolean`

NodeRemoveChange

Name	Type	Default
`id`	`string`
`type`	`"remove"`

NodeAddChange

Name	Type	Default
`item`	`NodeType`
`type`	`"add"`
`index`	`number`

NodeReplaceChange

Name	Type	Default
`id`	`string`
`item`	`NodeType`
`type`	`"replace"`