From 6f9dddbcc01c0590bf887173c174e9976fc999e8 Mon Sep 17 00:00:00 2001
From: Eric Liu <ericyl.us@gmail.com>
Date: Sat, 27 Nov 2021 09:59:30 -0800
Subject: [PATCH] fix(multiselect): do not mutate sortedItems

---
 src/MultiSelect/MultiSelect.svelte | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/MultiSelect/MultiSelect.svelte b/src/MultiSelect/MultiSelect.svelte
index d710faca..56c9036c 100644
--- a/src/MultiSelect/MultiSelect.svelte
+++ b/src/MultiSelect/MultiSelect.svelte
@@ -329,9 +329,10 @@
           change(-1);
         } else if (key === 'Enter') {
           if (highlightedIndex > -1) {
-            sortedItems[highlightedIndex].checked = !sortedItems[
-              highlightedIndex
-            ].checked;
+            sortedItems = sortedItems.map((item, i) => {
+              if (i !== highlightedIndex) return item;
+              return { ...item, checked: !item.checked };
+            });
           }
         }
       }}"
@@ -403,9 +404,10 @@
                     return { ...item, checked: !item.checked };
                   });
                 } else {
-                  sortedItems[highlightedIndex].checked = !sortedItems[
-                    highlightedIndex
-                  ].checked;
+                  sortedItems = sortedItems.map((item, i) => {
+                    if (i !== highlightedIndex) return item;
+                    return { ...item, checked: !item.checked };
+                  });
                 }
               }
             } else if (key === 'Tab') {