[Refactor] Move addNodeOnGraph to litegraphService (#2100)

src/scripts/app.ts

@@ -29,11 +29,7 @@ import {
   LGraphEventMode
 } from '@comfyorg/litegraph'
 import { ExtensionManager } from '@/types/extensionTypes'
-import {
-  ComfyNodeDefImpl,
-  SYSTEM_NODE_DEFS,
-  useNodeDefStore
-} from '@/stores/nodeDefStore'
+import { SYSTEM_NODE_DEFS, useNodeDefStore } from '@/stores/nodeDefStore'
 import { Vector2 } from '@comfyorg/litegraph'
 import _ from 'lodash'
 import { useDialogService } from '@/services/dialogService'
@@ -2049,19 +2045,6 @@ export class ComfyApp {
     this.lastExecutionError = null
   }
 
-  addNodeOnGraph(
-    nodeDef: ComfyNodeDef | ComfyNodeDefImpl,
-    options: Record<string, any> = {}
-  ): LGraphNode {
-    const node = LiteGraph.createNode(
-      nodeDef.name,
-      nodeDef.display_name,
-      options
-    )
-    this.graph.add(node)
-    return node
-  }
-
   clientPosToCanvasPos(pos: Vector2): Vector2 {
     const rect = this.canvasContainer.getBoundingClientRect()
     const containerOffsets = [rect.left, rect.top]
@@ -2078,12 +2061,6 @@ export class ComfyApp {
     ) as Vector2
   }
 
-  getCanvasCenter(): Vector2 {
-    const dpi = Math.max(window.devicePixelRatio ?? 1, 1)
-    const [x, y, w, h] = app.canvas.ds.visible_area
-    return [x + w / dpi / 2, y + h / dpi / 2]
-  }
-
   public goToNode(nodeId: NodeId) {
     const graphNode = this.graph.getNodeById(nodeId)
     if (!graphNode) return