Add null check to pass strict: true

DeborahK · DeborahK · commit db04cd61b38e · 2017-11-08T07:51:27.000-08:00
diff --git a/APM-Final/src/app/products/product-detail.component.ts b/APM-Final/src/app/products/product-detail.component.ts
@@ -19,8 +19,11 @@ export class ProductDetailComponent implements OnInit {
   }
 
   ngOnInit() {
-    const id = +this._route.snapshot.paramMap.get('id');
-    this.getProduct(id);
+    const param = this._route.snapshot.paramMap.get('id');
+    if (param) {
+      const id = +param;
+      this.getProduct(id);
+    }
   }
 
   getProduct(id: number) {

Original file line number	Diff line number	Diff line change
`@@ -19,8 +19,11 @@ export class ProductDetailComponent implements OnInit {`
`19`	`19`	`}`
`20`	`20`
`21`	`21`	`ngOnInit() {`
`22`		`- const id = +this._route.snapshot.paramMap.get('id');`
`23`		`- this.getProduct(id);`
	`22`	`+ const param = this._route.snapshot.paramMap.get('id');`
	`23`	`+ if (param) {`
	`24`	`+ const id = +param;`
	`25`	`+ this.getProduct(id);`
	`26`	`+ }`
`24`	`27`	`}`
`25`	`28`
`26`	`29`	`getProduct(id: number) {`