From 4ae8df635a4865403b33d9916a328b2bb3bdb781 Mon Sep 17 00:00:00 2001
From: Andy Hanson <anhans@microsoft.com>
Date: Tue, 11 Apr 2017 14:18:11 -0700
Subject: [PATCH] Remove unnecessary use of getOwnKeys

Also, fix a typo.
---
 src/compiler/commandLineParser.ts | 4 ++--
 src/compiler/core.ts              | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/compiler/commandLineParser.ts b/src/compiler/commandLineParser.ts
index d5903b599b9..e067d0bf8a1 100644
--- a/src/compiler/commandLineParser.ts
+++ b/src/compiler/commandLineParser.ts
@@ -1007,7 +1007,7 @@ namespace ts {
             let seenKnownKeys = 0;
             const nameColumn: string[] = [];
             const descriptionColumn: string[] = [];
-            const knownKesyCount = getOwnKeys(configurations.compilerOptions).length;
+            const knownKeysCount = getOwnKeys(configurations.compilerOptions).length;
             for (const category in categorizedOptions) {
                 if (nameColumn.length !== 0) {
                     nameColumn.push("");
@@ -1018,7 +1018,7 @@ namespace ts {
                 for (const option of categorizedOptions[category]) {
                     let optionName;
                     if (hasProperty(configurations.compilerOptions, option.name)) {
-                        optionName = `"${option.name}": ${JSON.stringify(configurations.compilerOptions[option.name])}${(seenKnownKeys += 1) === knownKesyCount ? "" : ","}`;
+                        optionName = `"${option.name}": ${JSON.stringify(configurations.compilerOptions[option.name])}${(seenKnownKeys += 1) === knownKeysCount ? "" : ","}`;
                     }
                     else {
                         optionName = `// "${option.name}": ${JSON.stringify(getDefaultValueForOption(option))},`;
diff --git a/src/compiler/core.ts b/src/compiler/core.ts
index ac354e24eda..3e5b4ee5ce3 100644
--- a/src/compiler/core.ts
+++ b/src/compiler/core.ts
@@ -943,7 +943,7 @@ namespace ts {
     export function assign<T1 extends MapLike<{}>>(t: T1, ...args: any[]): any;
     export function assign<T1 extends MapLike<{}>>(t: T1, ...args: any[]) {
         for (const arg of args) {
-            for (const p of getOwnKeys(arg)) {
+            for (const p in arg) if (hasProperty(arg, p)) {
                 t[p] = arg[p];
             }
         }