feat: add NOOP task type and noopTask builder

src/open-api/types.ts

@@ -78,6 +78,7 @@ export enum TaskType {
   CALL_MCP_TOOL = "CALL_MCP_TOOL",
   LIST_MCP_TOOLS = "LIST_MCP_TOOLS",
   PULL_WORKFLOW_MESSAGES = "PULL_WORKFLOW_MESSAGES",
+  NOOP = "NOOP",
 }
 
 export enum ServiceType {
@@ -102,7 +103,8 @@ export type TaskDefTypes =
   | TerminateTaskDef
   | JoinTaskDef
   | WaitTaskDef
-  | PullWorkflowMessagesTaskDef;
+  | PullWorkflowMessagesTaskDef
+  | NoopTaskDef;
 
 export interface DoWhileTaskDef extends CommonTaskDef {
   inputParameters: Record<string, unknown>;
@@ -214,6 +216,12 @@ export interface SetVariableTaskDef extends CommonTaskDef {
   optional?: boolean;
 }
 
+export interface NoopTaskDef extends CommonTaskDef {
+  type: TaskType.NOOP;
+  inputParameters: Record<string, unknown>;
+  optional?: boolean;
+}
+
 export interface SimpleTaskDef extends CommonTaskDef {
   type: TaskType.SIMPLE;
   inputParameters?: Record<string, unknown>;

src/sdk/builders/tasks/__tests__/factory.test.ts

@@ -8,6 +8,7 @@ import { inlineTask } from "../inline";
 import { joinTask } from "../join";
 import { jsonJqTask } from "../jsonJq";
 import { kafkaPublishTask } from "../kafkaPublish";
+import { noopTask } from "../noop";
 import { setVariableTask } from "../setVariable";
 import { subWorkflowTask } from "../subWorkflow";
 import { switchTask } from "../switch";
@@ -269,6 +270,26 @@ describe("kafkaPublishTask", () => {
   });
 });
 
+describe("noopTask", () => {
+  it("Should generate a NOOP task", () => {
+    expect(noopTask("noopRef")).toEqual({
+      name: "noopRef",
+      taskReferenceName: "noopRef",
+      type: "NOOP",
+      inputParameters: {},
+    });
+  });
+
+  it("Should set optional when given", () => {
+    expect(noopTask("noopRef", true).optional).toBe(true);
+  });
+
+  it("Should be usable as a workflow task", () => {
+    const wf = workflow("wf", [noopTask("noopRef")]);
+    expect(wf.tasks[0].type).toBe("NOOP");
+  });
+});
+
 describe("setVariableTask", () => {
   it("Should generate setVariableTask", () => {
     const tname = "setVariableTask";

src/sdk/builders/tasks/index.ts

@@ -11,6 +11,7 @@ export * from "./inline";
 export * from "./join";
 export * from "./jsonJq";
 export * from "./kafkaPublish";
+export * from "./noop";
 export * from "./setVariable";
 export * from "./simple";
 export * from "./startWorkflow";

src/sdk/builders/tasks/noop.ts

@@ -0,0 +1,12 @@
+import { TaskType, NoopTaskDef } from "../../../open-api";
+
+export const noopTask = (
+  taskReferenceName: string,
+  optional?: boolean
+): NoopTaskDef => ({
+  name: taskReferenceName,
+  taskReferenceName,
+  type: TaskType.NOOP,
+  inputParameters: {},
+  optional,
+});