From 4375a0e07e2646d053a42aa5c852e9b2c3d8c110 Mon Sep 17 00:00:00 2001
From: Brandon Millman <brandon.millman@gmail.com>
Date: Thu, 21 Jun 2018 17:57:22 -0700
Subject: Fix state mutation in reducer

---
 packages/website/ts/redux/reducer.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'packages/website/ts/redux')

diff --git a/packages/website/ts/redux/reducer.ts b/packages/website/ts/redux/reducer.ts
index 9d3d8f7d9..ed6a4868e 100644
--- a/packages/website/ts/redux/reducer.ts
+++ b/packages/website/ts/redux/reducer.ts
@@ -156,7 +156,7 @@ export function reducer(state: State = INITIAL_STATE, action: Action): State {
         }
 
         case ActionTypes.AddTokenToTokenByAddress: {
-            const newTokenByAddress = state.tokenByAddress;
+            const newTokenByAddress = { ...state.tokenByAddress };
             newTokenByAddress[action.data.address] = action.data;
             return {
                 ...state,
@@ -165,7 +165,7 @@ export function reducer(state: State = INITIAL_STATE, action: Action): State {
         }
 
         case ActionTypes.RemoveTokenFromTokenByAddress: {
-            const newTokenByAddress = state.tokenByAddress;
+            const newTokenByAddress = { ...state.tokenByAddress };
             delete newTokenByAddress[action.data.address];
             return {
                 ...state,
@@ -174,7 +174,7 @@ export function reducer(state: State = INITIAL_STATE, action: Action): State {
         }
 
         case ActionTypes.UpdateTokenByAddress: {
-            const tokenByAddress = state.tokenByAddress;
+            const tokenByAddress = { ...state.tokenByAddress };
             const tokens = action.data;
             _.each(tokens, token => {
                 const updatedToken = {
@@ -253,7 +253,7 @@ export function reducer(state: State = INITIAL_STATE, action: Action): State {
         }
 
         case ActionTypes.UpdateChosenAssetTokenAddress: {
-            const newAssetToken = state.sideToAssetToken[action.data.side];
+            const newAssetToken = { ...state.sideToAssetToken[action.data.side] };
             newAssetToken.address = action.data.address;
             const newSideToAssetToken = {
                 ...state.sideToAssetToken,
-- 
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