From 13d2b8d617b820e40a93cabc9f2a31895b19d32b Mon Sep 17 00:00:00 2001
From: Daniel Rosenwasser <DanielRosenwasser@users.noreply.github.com>
Date: Fri, 22 Mar 2019 15:44:29 -0700
Subject: [PATCH] Add the Omit helper type.

---
 src/lib/es5.d.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/lib/es5.d.ts b/src/lib/es5.d.ts
index 458dc8b9252..79fd72ac937 100644
--- a/src/lib/es5.d.ts
+++ b/src/lib/es5.d.ts
@@ -1443,6 +1443,11 @@ type Exclude<T, U> = T extends U ? never : T;
  */
 type Extract<T, U> = T extends U ? T : never;
 
+/**
+ * Construct a type with the properties of T except for those in type K.
+ */
+type Omit<T, K extends keyof any> = Pick<T, Exclude<keyof T, K>>;
+
 /**
  * Exclude null and undefined from T
  */