feat: Default WorkflowHandle generic T parm to Workflow (temporalio#419)

JoshuaKGoldberg · web-flow · commit 0151e30b261a · 2021-12-05T14:44:52.000-06:00
diff --git a/packages/client/src/workflow-client.ts b/packages/client/src/workflow-client.ts
@@ -67,7 +67,7 @@ import { Connection, WorkflowService } from './connection';
  * await handle.result(); // throws WorkflowExecutionCancelledError
  * ```
  */
-export interface WorkflowHandle<T extends Workflow> extends BaseWorkflowHandle<T> {
+export interface WorkflowHandle<T extends Workflow = Workflow> extends BaseWorkflowHandle<T> {
   /**
    * Query a running or completed Workflow.
    *
@@ -106,7 +106,7 @@ export interface WorkflowHandle<T extends Workflow> extends BaseWorkflowHandle<T
  * This interface is exactly the same as {@link WorkflowHandle} except it
  * includes the `originalRunId` returned after starting a new Workflow.
  */
-export interface WorkflowHandleWithRunId<T extends Workflow> extends WorkflowHandle<T> {
+export interface WorkflowHandleWithRunId<T extends Workflow = Workflow> extends WorkflowHandle<T> {
   /**
    * The runId of the initial run of the bound Workflow
    */
@@ -195,7 +195,7 @@ export interface WorkflowResultOptions {
 /**
  * Options for starting a Workflow
  */
-export type WorkflowStartOptions<T extends Workflow> = WithWorkflowArgs<T, WorkflowOptions>;
+export type WorkflowStartOptions<T extends Workflow = Workflow> = WithWorkflowArgs<T, WorkflowOptions>;
 
 /**
  * Client for starting Workflow executions and creating Workflow handles
