From d941ec1dff96e955ff962cccff658269e739c33f Mon Sep 17 00:00:00 2001
From: Ben Wheeler <wheeler.benjamin@gmail.com>
Date: Wed, 1 Aug 2018 16:37:48 -0400
Subject: [PATCH] do not modify state object directly

---
 src/redux/preview.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/redux/preview.js b/src/redux/preview.js
index fdc704d00..ebb68588d 100644
--- a/src/redux/preview.js
+++ b/src/redux/preview.js
@@ -68,9 +68,8 @@ module.exports.previewReducer = (state, action) => {
         return Object.assign({}, state, {curatedStudios: action.items});
     case 'ADD_PROJECT_TO_STUDIO':
         // add studio id to our studios-that-this-project-belongs-to set.
-        state.currentStudioIds.push(action.studioId);
         return Object.assign({}, state, {
-            currentStudioIds: state.currentStudioIds.slice()
+            currentStudioIds: state.currentStudioIds.concat(action.studioId)
         });
     case 'REMOVE_PROJECT_FROM_STUDIO':
         return Object.assign({}, state, {