From f912616efff154e19a75a7b992035bf537698f86 Mon Sep 17 00:00:00 2001
From: Alan Agius <alan.agius4@gmail.com>
Date: Sat, 9 Nov 2019 16:51:57 +0100
Subject: [PATCH] fix(@schematics/angular): return undefined instead of throw
 when file is not found

Follow up on https://github.com/angular/angular-cli/pull/16063
---
 packages/schematics/angular/migrations/update-9/utils.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/schematics/angular/migrations/update-9/utils.ts b/packages/schematics/angular/migrations/update-9/utils.ts
index 4e51c32cf579..f80a0dd290d1 100644
--- a/packages/schematics/angular/migrations/update-9/utils.ts
+++ b/packages/schematics/angular/migrations/update-9/utils.ts
@@ -96,7 +96,7 @@ export function getWorkspace(host: Tree): JsonAstObject {
 export function readJsonFileAsAstObject(host: Tree, path: string): JsonAstObject | undefined {
   const configBuffer = host.read(path);
   if (!configBuffer) {
-    throw new SchematicsException(`Could not find (${path})`);
+    return undefined;
   }
 
   const content = configBuffer.toString();