From ff6b0043c4e214d28c541358505accb4a78688c3 Mon Sep 17 00:00:00 2001
From: Anton Kastritskiy <antonk52@meta.com>
Date: Tue, 30 May 2023 08:01:18 -0700
Subject: [PATCH] avoid creating a copy of an array of entire view to look up
 index

Summary: What title says

Reviewed By: lblasa

Differential Revision: D46275672

fbshipit-source-id: 65c6566a042b576b83ababdf6470ddf2f626d3e4
---
 desktop/flipper-plugin-core/src/data-source/DataSource.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/desktop/flipper-plugin-core/src/data-source/DataSource.tsx b/desktop/flipper-plugin-core/src/data-source/DataSource.tsx
index d3161f32e..bc722c079 100644
--- a/desktop/flipper-plugin-core/src/data-source/DataSource.tsx
+++ b/desktop/flipper-plugin-core/src/data-source/DataSource.tsx
@@ -585,7 +585,7 @@ export class DataSourceView<T, KeyType> {
   }
 
   getViewIndex(entry: T): number {
-    return this.output(0, Infinity).indexOf(entry);
+    return this._output.findIndex((x) => x.value === entry);
   }
 
   public setWindow(start: number, end: number) {