Add support for image_folder field in node image input spec (#2509)

src/extensions/core/uploadImage.ts

@@ -1,4 +1,4 @@
-import { ComfyNodeDef } from '@/types/apiTypes'
+import { ComfyNodeDef, InputSpec } from '@/types/apiTypes'
 
 import { app } from '../../scripts/app'
 
@@ -7,8 +7,16 @@ import { app } from '../../scripts/app'
 app.registerExtension({
   name: 'Comfy.UploadImage',
   beforeRegisterNodeDef(nodeType, nodeData: ComfyNodeDef) {
-    if (nodeData?.input?.required?.image?.[1]?.image_upload === true) {
-      nodeData.input.required.upload = ['IMAGEUPLOAD']
+    // Check if there is a required input named 'image' in the nodeData
+    const imageInputSpec: InputSpec | undefined =
+      nodeData?.input?.required?.image
+
+    // Get the config from the image input spec if it exists
+    const config = imageInputSpec?.[1] ?? {}
+    const { image_upload = false, image_folder = 'input' } = config
+
+    if (image_upload && nodeData?.input?.required) {
+      nodeData.input.required.upload = ['IMAGEUPLOAD', { image_folder }]
     }
   }
 })

src/scripts/widgets.ts

@@ -433,6 +433,7 @@ export const ComfyWidgets: Record<string, ComfyWidgetConstructor> = {
       (w) => w.name === (inputData[1]?.widget ?? 'image')
     ) as IStringWidget
     let uploadWidget
+    const { image_folder = 'input' } = inputData[1] ?? {}
 
     function showImage(name) {
       const img = new Image()
@@ -447,7 +448,7 @@ export const ComfyWidgets: Record<string, ComfyWidgetConstructor> = {
         name = name.substring(folder_separator + 1)
       }
       img.src = api.apiURL(
-        `/view?filename=${encodeURIComponent(name)}&type=input&subfolder=${subfolder}${app.getPreviewFormatParam()}${app.getRandParam()}`
+        `/view?filename=${encodeURIComponent(name)}&type=${image_folder}&subfolder=${subfolder}${app.getPreviewFormatParam()}${app.getRandParam()}`
       )
       node.setSizeForImage?.()
     }

src/types/apiTypes.ts

@@ -344,6 +344,7 @@ const zStringInputSpec = inputSpec([
 const zComboInputProps = zBaseInputSpecValue.extend({
   control_after_generate: z.boolean().optional(),
   image_upload: z.boolean().optional(),
+  image_folder: z.enum(['input', 'output', 'temp']).optional(),
   remote: zRemoteWidgetConfig.optional()
 })