[Refactor] Move isImageNode to litegraphUtil (#2450)

src/scripts/app.ts

@@ -37,6 +37,7 @@ import {
 } from '@/types/comfyWorkflow'
 import { ExtensionManager } from '@/types/extensionTypes'
 import { ColorAdjustOptions, adjustColor } from '@/utils/colorUtil'
+import { isImageNode } from '@/utils/litegraphUtil'
 import { deserialiseAndCreate } from '@/utils/vintageClipboard'
 
 import { type ComfyApi, api } from './api'
@@ -185,6 +186,13 @@ export class ComfyApp {
     return useExecutionStore()._executingNodeProgress
   }
 
+  /**
+   * @deprecated Use {@link isImageNode} from @/utils/litegraphUtil instead
+   */
+  static isImageNode(node: LGraphNode) {
+    return isImageNode(node)
+  }
+
   constructor() {
     this.vueAppReady = false
     this.ui = new ComfyUI(this)
@@ -232,15 +240,6 @@ export class ComfyApp {
     return '&rand=' + Math.random()
   }
 
-  static isImageNode(node) {
-    return (
-      node.imgs ||
-      (node &&
-        node.widgets &&
-        node.widgets.findIndex((obj) => obj.name === 'image') >= 0)
-    )
-  }
-
   static onClipspaceEditorSave() {
     if (ComfyApp.clipspace_return_node) {
       ComfyApp.pasteFromClipspace(ComfyApp.clipspace_return_node)
@@ -502,7 +501,7 @@ export class ComfyApp {
           if (
             this.canvas.current_node &&
             this.canvas.current_node.is_selected &&
-            ComfyApp.isImageNode(this.canvas.current_node)
+            isImageNode(this.canvas.current_node)
           ) {
             imageNode = this.canvas.current_node
           }