From 52e9819232a8e9d89023ce6b50b6db82c6f73e8c Mon Sep 17 00:00:00 2001
From: hawkgs <hawk.dvp@gmail.com>
Date: Wed, 1 May 2019 22:12:50 +0300
Subject: [PATCH] fix(@schematics/angular): allow insertion when there are no
 occurrences

---
 packages/schematics/angular/utility/ast-utils.ts | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/packages/schematics/angular/utility/ast-utils.ts b/packages/schematics/angular/utility/ast-utils.ts
index 101a26cd107b..dc659003f9dc 100644
--- a/packages/schematics/angular/utility/ast-utils.ts
+++ b/packages/schematics/angular/utility/ast-utils.ts
@@ -191,10 +191,7 @@ export function insertAfterLastOccurrence(nodes: ts.Node[],
                                           syntaxKind?: ts.SyntaxKind): Change {
   // sort() has a side effect, so make a copy so that we won't overwrite the parent's object.
   let lastItem = [...nodes].sort(nodesByPosition).pop();
-  if (!lastItem) {
-    throw new Error();
-  }
-  if (syntaxKind) {
+  if (syntaxKind && lastItem) {
     lastItem = findNodes(lastItem, syntaxKind).sort(nodesByPosition).pop();
   }
   if (!lastItem && fallbackPos == undefined) {