From 8bc21c8972bf0efa1f475f4c38525f9ae8e8b6be Mon Sep 17 00:00:00 2001
From: Michel Weststrate <mweststrate@fb.com>
Date: Wed, 18 Dec 2019 09:20:31 +0000
Subject: [PATCH] fix: #482 object spread breaks IE

---
 src/proxy.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/proxy.js b/src/proxy.js
index 5b6f779d..8e2a4fb5 100644
--- a/src/proxy.js
+++ b/src/proxy.js
@@ -360,8 +360,7 @@ function makeReflectTraps(names) {
 }
 
 function makeTrapsForGetters(getters) {
-	return {
-		...reflectTraps,
+	return assign({}, reflectTraps, {
 		get(state, prop, receiver) {
 			return getters.hasOwnProperty(prop)
 				? getters[prop](state, prop, receiver)
@@ -370,5 +369,5 @@ function makeTrapsForGetters(getters) {
 		setPrototypeOf(state) {
 			throw new Error("Object.setPrototypeOf() cannot be used on an Immer draft") // prettier-ignore
 		}
-	}
+	})
 }