From b07ca3f3eed8b2f2d247c144fe3fe20badbc8475 Mon Sep 17 00:00:00 2001
From: Gareth Emslie <gareth@soft-cor.es>
Date: Mon, 13 Sep 2021 14:13:43 +0200
Subject: [PATCH 1/2] refactor extension loading

---
 src/block-duplicate-observer.ts | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/src/block-duplicate-observer.ts b/src/block-duplicate-observer.ts
index a5376eb..1c87894 100644
--- a/src/block-duplicate-observer.ts
+++ b/src/block-duplicate-observer.ts
@@ -170,9 +170,11 @@ class duplicateObserver {
 
         // when changes are made wait a bit before triggering the validation
         if (this._timeout) clearTimeout(this._timeout);
+        console.log(`Setting timer for triggering validation.`);
         this._timeout = setTimeout(() => {
+            console.log(`Triggering validation.`);
             this.validateWorkItem();
-        }, 1000);
+        }, 3000);
     }
 
     // Called when a new work item is being loaded in the UI
@@ -203,16 +205,22 @@ class duplicateObserver {
     }
 }
 
-SDK.init(<SDK.IExtensionInitOptions>{ explicitNotifyLoaded: true });
-SDK.ready().then(async () => {
+const main = async () =>{
+    await SDK.init(<SDK.IExtensionInitOptions>{ 
+        explicitNotifyLoaded: true 
+    });
+
+    // wait until we are ready
+    await SDK.ready();
+
+    // soft-cor.block-duplicate-work-items.block-duplicate-observer or block-duplicate-observer ??
+    const contributionId : string = SDK.getContributionId();
     // Get The ADO Services which we will need later
     const locationService: ILocationService = await SDK.getService(CommonServiceIds.LocationService);
     const projectService: IProjectPageService = await SDK.getService<IProjectPageService>(CommonServiceIds.ProjectPageService);
     const workItemFormService: IWorkItemFormService = await SDK.getService<IWorkItemFormService>(WorkItemTrackingServiceIds.WorkItemFormService);
     const observer: duplicateObserver = new duplicateObserver(workItemFormService, locationService, projectService);
 
-    // soft-cor.block-duplicate-work-items.block-duplicate-observer or block-duplicate-observer ??
-    let contributionId : string = SDK.getContributionId();
     console.log(contributionId);
     
     SDK.register(contributionId, () => {
@@ -220,5 +228,9 @@ SDK.ready().then(async () => {
         return observer;
     });
 
+    // notify we are loaded
     await SDK.notifyLoadSucceeded();
-});
\ No newline at end of file
+};
+
+// execute our entrypoint
+main().catch((error) => { console.error(error); });
\ No newline at end of file

From cd3411c57d942e64add502a4bc26df66e2c80809 Mon Sep 17 00:00:00 2001
From: Gareth Emslie <gareth@soft-cor.es>
Date: Mon, 13 Sep 2021 14:16:32 +0200
Subject: [PATCH 2/2] implement interface

---
 src/block-duplicate-observer.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/block-duplicate-observer.ts b/src/block-duplicate-observer.ts
index 1c87894..a95d488 100644
--- a/src/block-duplicate-observer.ts
+++ b/src/block-duplicate-observer.ts
@@ -1,10 +1,10 @@
 import * as SDK from "azure-devops-extension-sdk";
 import { CommonServiceIds, getClient, IProjectInfo, IProjectPageService, ILocationService } from "azure-devops-extension-api";
-import { IWorkItemFormService, WorkItemQueryResult, WorkItemReference, WorkItemTrackingRestClient, WorkItemTrackingServiceIds } from "azure-devops-extension-api/WorkItemTracking";
+import { IWorkItemFormService, WorkItemQueryResult, WorkItemReference, WorkItemTrackingRestClient, WorkItemTrackingServiceIds, IWorkItemNotificationListener } from "azure-devops-extension-api/WorkItemTracking";
 import * as stringSimilarity from "string-similarity";
 import * as striptags from "striptags";
 
-class duplicateObserver {
+class duplicateObserver implements IWorkItemNotificationListener  {
     _similarityIndex : number = 0.8;
     _workItemFormService: IWorkItemFormService;
     _locationService: ILocationService;
@@ -223,6 +223,7 @@ const main = async () =>{
 
     console.log(contributionId);
     
+    // Register our contribution
     SDK.register(contributionId, () => {
         // Get the Work Item Form Service
         return observer;