From 3e0ea34c3e11e8f584905a2423d52f4f797f20e8 Mon Sep 17 00:00:00 2001
From: alex zhen wang <wangzhennz@gmail.com>
Date: Tue, 4 Jun 2019 22:09:57 +1200
Subject: [PATCH] fix: clean code

---
 packages/api-derive/src/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/api-derive/src/index.ts b/packages/api-derive/src/index.ts
index 449fa273e2d3..5eadce2d99e3 100644
--- a/packages/api-derive/src/index.ts
+++ b/packages/api-derive/src/index.ts
@@ -47,7 +47,7 @@ export interface Derive {
 function injectFunctions (api: ApiInterface$Rx, derive: Derive, functions: DeriveCustom): Derive {
   Object.keys(functions).forEach((sectionName: string) => {
     const section = functions[sectionName as keyof Derive];
-    const result = derive[sectionName as keyof Derive] = derive[sectionName as keyof Derive] || {};
+    const result = derive[sectionName as keyof Derive] || {};
 
     Object.keys(section).forEach((methodName) => {
       // @ts-ignore No idea how to make this work...