Add strict properly init task

.vscode/tasks.json

@@ -28,6 +28,20 @@
 				}
 			}
 		},
+		{
+			"type": "npm",
+			"script": "strict-initialization-watch",
+			"label": "TS - Strict Initialization",
+			"isBackground": true,
+			"presentation": {
+				"reveal": "never"
+			},
+			"problemMatcher": {
+				"base": "$tsc-watch",
+				"owner": "typescript-strict-initialization",
+				"applyTo": "allDocuments"
+			}
+		},
 		{
 			"type": "gulp",
 			"task": "tslint",

package.json

@@ -22,7 +22,8 @@
     "update-localization-extension": "node build/npm/update-localization-extension.js",
     "smoketest": "cd test/smoke && node test/index.js",
     "download-builtin-extensions": "node build/lib/builtInExtensions.js",
-    "monaco-compile-check": "tsc -p src/tsconfig.monaco.json --noEmit"
+    "monaco-compile-check": "tsc -p src/tsconfig.monaco.json --noEmit",
+    "strict-initialization-watch": "tsc --watch -p src/tsconfig.json --noEmit --strictPropertyInitialization"
   },
   "dependencies": {
     "applicationinsights": "1.0.8",