From 68f7bfe25f746a3ffe954b4e08d2df878a452a50 Mon Sep 17 00:00:00 2001
From: David Michon <dmichon-msft@users.noreply.github.com>
Date: Fri, 12 Aug 2022 15:49:27 -0700
Subject: [PATCH] Remove double lookup

---
 libraries/rush-lib/src/logic/ProjectChangeAnalyzer.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/rush-lib/src/logic/ProjectChangeAnalyzer.ts b/libraries/rush-lib/src/logic/ProjectChangeAnalyzer.ts
index 0ed7f704a23..da0f2cd2413 100644
--- a/libraries/rush-lib/src/logic/ProjectChangeAnalyzer.ts
+++ b/libraries/rush-lib/src/logic/ProjectChangeAnalyzer.ts
@@ -376,11 +376,11 @@ export class ProjectChangeAnalyzer {
       let i: number = 0;
       for (const projectDeps of projectHashDeps.values()) {
         const projectDependencyManifestPath: string = projectDependencyManifestPaths[i];
-        if (!hashes.has(projectDependencyManifestPath)) {
+        const hash: string | undefined = hashes.get(projectDependencyManifestPath);
+        if (hash === undefined) {
           throw new InternalError(`Expected to get a hash for ${projectDependencyManifestPath}`);
         }
 
-        const hash: string = hashes.get(projectDependencyManifestPath)!;
         projectDeps.set(projectDependencyManifestPath, hash);
         i++;
       }