From f3b0b8d562bcecc8443ae870b0f9c7186131be3e Mon Sep 17 00:00:00 2001
From: Nathan L Smith <smith@nlsmith.com>
Date: Thu, 9 Apr 2020 17:36:52 -0500
Subject: [PATCH] Replace Object.assign with destructuring in
 SelectWithPlaceholder

`Object.assign` is not supported in IE11. Previously changing the selects did not work, but this fixes it.

Fixes #63131.
---
 .../components/shared/SelectWithPlaceholder/index.tsx  | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/x-pack/legacy/plugins/apm/public/components/shared/SelectWithPlaceholder/index.tsx b/x-pack/legacy/plugins/apm/public/components/shared/SelectWithPlaceholder/index.tsx
index 8698978bfe6fb4..0aed63cbf1443b 100644
--- a/x-pack/legacy/plugins/apm/public/components/shared/SelectWithPlaceholder/index.tsx
+++ b/x-pack/legacy/plugins/apm/public/components/shared/SelectWithPlaceholder/index.tsx
@@ -31,11 +31,13 @@ export const SelectWithPlaceholder: typeof EuiSelect = props => {
       value={isEmpty(props.value) ? NO_SELECTION : props.value}
       onChange={e => {
         if (props.onChange) {
-          const customEvent = Object.assign(e, {
-            target: Object.assign(e.target, {
+          const customEvent = {
+            ...e,
+            target: {
+              ...e.target,
               value: e.target.value === NO_SELECTION ? '' : e.target.value
-            })
-          });
+            }
+          };
           props.onChange(customEvent);
         }
       }}