refactor(webjob): add dummy file only when neccessary

SAS Track CS0409737

src/job-execution/WebJobExecutor.ts

@@ -118,20 +118,6 @@ export class WebJobExecutor extends BaseJobExecutor {
     // _executionTasks=true. Dummy file keeps the body non-empty
     const hasExecutionTasksFlag =
       sasJob.includes('_executionTasks=true') || config.runAsTask === true
-    if (config.serverType === ServerType.SasViya && hasExecutionTasksFlag) {
-      if (isNode()) {
-        ;(formData as NodeFormData).append('_sasjs_noop', '', {
-          filename: '_sasjs_noop.txt',
-          contentType: 'text/plain'
-        })
-      } else {
-        ;(formData as FormData).append(
-          '_sasjs_noop',
-          new Blob([''], { type: 'text/plain' }),
-          '_sasjs_noop.txt'
-        )
-      }
-    }
 
     if (data) {
       const stringifiedData = JSON.stringify(data)
@@ -153,10 +139,21 @@ export class WebJobExecutor extends BaseJobExecutor {
             generateTableUploadForm(formData, data)
           formData = newFormData
           requestParams = { ...requestParams, ...params }
+
+          if (
+            config.serverType === ServerType.SasViya &&
+            hasExecutionTasksFlag
+          ) {
+            addDummyFile(formData)
+          }
         } catch (e: any) {
           return Promise.reject(new ErrorResponse(e?.message, e))
         }
       }
+    } else {
+      if (config.serverType === ServerType.SasViya && hasExecutionTasksFlag) {
+        addDummyFile(formData)
+      }
     }
 
     for (const key in requestParams) {
@@ -283,3 +280,18 @@ export class WebJobExecutor extends BaseJobExecutor {
     return uri
   }
 }
+
+function addDummyFile(formData: NodeFormData | FormData) {
+  if (isNode()) {
+    ;(formData as NodeFormData).append('_sasjs_noop', '', {
+      filename: '_sasjs_noop.txt',
+      contentType: 'text/plain'
+    })
+  } else {
+    ;(formData as FormData).append(
+      '_sasjs_noop',
+      new Blob([''], { type: 'text/plain' }),
+      '_sasjs_noop.txt'
+    )
+  }
+}