Use index.json to load workflow templates (#2803)

src/scripts/api.ts

@@ -29,6 +29,7 @@ import {
   type ComfyNodeDef,
   validateComfyNodeDef
 } from '@/schemas/nodeDefSchema'
+import { WorkflowTemplates } from '@/types/workflowTemplateTypes'
 
 interface QueuePromptRequestBody {
   client_id: string
@@ -414,6 +415,14 @@ export class ComfyApi extends EventTarget {
     return await res.json()
   }
 
+  /**
+   * Gets the index of core workflow templates.
+   */
+  async getCoreWorkflowTemplates(): Promise<WorkflowTemplates[]> {
+    const res = await axios.get('/templates/index.json')
+    return res.status === 200 ? res.data : []
+  }
+
   /**
    * Gets a list of embedding names
    */