[refactor] Add ResultItemType and improve image upload typing (#4200)

src/schemas/apiSchema.ts

@@ -11,10 +11,13 @@ import { LinkReleaseTriggerAction } from '@/types/searchBoxTypes'
 const zNodeType = z.string()
 const zQueueIndex = z.number()
 const zPromptId = z.string()
+export const resultItemType = z.enum(['input', 'output', 'temp'])
+export type ResultItemType = z.infer<typeof resultItemType>
+
 const zResultItem = z.object({
   filename: z.string().optional(),
   subfolder: z.string().optional(),
-  type: z.string().optional()
+  type: resultItemType.optional()
 })
 export type ResultItem = z.infer<typeof zResultItem>
 const zOutputs = z

src/schemas/nodeDefSchema.ts

@@ -1,6 +1,8 @@
 import { z } from 'zod'
 import { fromZodError } from 'zod-validation-error'
 
+import { resultItemType } from '@/schemas/apiSchema'
+
 const zComboOption = z.union([z.string(), z.number()])
 const zRemoteWidgetConfig = z.object({
   route: z.string().url().or(z.string().startsWith('/')),
@@ -72,7 +74,7 @@ export const zStringInputOptions = zBaseInputOptions.extend({
 export const zComboInputOptions = zBaseInputOptions.extend({
   control_after_generate: z.boolean().optional(),
   image_upload: z.boolean().optional(),
-  image_folder: z.enum(['input', 'output', 'temp']).optional(),
+  image_folder: resultItemType.optional(),
   allow_batch: z.boolean().optional(),
   video_upload: z.boolean().optional(),
   animated_image_upload: z.boolean().optional(),