From 5673b42ec47342a1e4be2dd77a5676407a60e401 Mon Sep 17 00:00:00 2001
From: Leonid Logvinov <logvinov.leon@gmail.com>
Date: Fri, 1 Dec 2017 23:11:55 -0600
Subject: Make target optional

---
 packages/0x.js/src/utils/promisify.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'packages')

diff --git a/packages/0x.js/src/utils/promisify.ts b/packages/0x.js/src/utils/promisify.ts
index 1eb1bf29f..49024c0e9 100644
--- a/packages/0x.js/src/utils/promisify.ts
+++ b/packages/0x.js/src/utils/promisify.ts
@@ -10,7 +10,7 @@ export function promisify<T>(
         ...args: any[],
         // HACK: This can't be properly typed without variadic kinds https://github.com/Microsoft/TypeScript/issues/5453
     ) => void,
-    target: any,
+    target?: any,
 ): (...callArgs: any[]) => Promise<T> {
     const promisifiedFunction = async (...callArgs: any[]): Promise<T> => {
         return new Promise<T>((resolve, reject) => {
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