feat(viya): add runAsTask config feature for execution tasks

src/job-execution/WebJobExecutor.ts

@@ -102,6 +102,10 @@ export class WebJobExecutor extends BaseJobExecutor {
       apiUrl += config.contextName?.trim()
         ? `&_contextname=${encodeURIComponent(config.contextName)}`
         : ''
+
+      if (config.runAsTask === true) {
+        apiUrl += '&_executionTasks=true'
+      }
     }
 
     let requestParams = {
@@ -116,8 +120,7 @@ export class WebJobExecutor extends BaseJobExecutor {
 
     // FIXME(viya - SAS Track CS0409737): remove when Viya stops rejecting empty multipart on
     // _executionTasks=true. Dummy file keeps the body non-empty
-    const hasExecutionTasksFlag =
+    const hasExecutionTasksFlag = config.runAsTask === true
-      sasJob.includes('_executionTasks=true') || config.runAsTask === true
 
     if (data) {
       const stringifiedData = JSON.stringify(data)

src/types/SASjsConfig.ts

@@ -79,6 +79,14 @@ export class SASjsConfig {
    * may affect browser performance, especially with debug (logs) enabled.
    */
   requestHistoryLimit?: number = 10
+  /**
+   * Optional setting. When `true`, the request runs as a Viya execution task —
+   * appends `_executionTasks=true` to the request URL. Only applies to the Viya
+   * web jobs path, i.e. when `serverType === SASVIYA` AND
+   * `useComputeApi` is `null`/`undefined`. Has no effect when `useComputeApi`
+   * is explicitly set to `true` or `false`.
+   */
+  runAsTask?: boolean = false
 }
 
 export enum LoginMechanism {