From ef84237ef30e2547a0bdd00c8b5a9fac158aa4de Mon Sep 17 00:00:00 2001
From: Daniel Imms <2193314+Tyriar@users.noreply.github.com>
Date: Mon, 25 May 2026 22:00:36 -0700
Subject: [PATCH] Coalesce write-triggered decoration refreshes within the same
 tick.

This avoids redundant match/decorations recomputation during bursts of parsed writes while preserving the latest refresh result.

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 addons/addon-search/src/SearchAddon.ts | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/addons/addon-search/src/SearchAddon.ts b/addons/addon-search/src/SearchAddon.ts
index 98a9bf810..e93c422e1 100644
--- a/addons/addon-search/src/SearchAddon.ts
+++ b/addons/addon-search/src/SearchAddon.ts
@@ -40,6 +40,7 @@ export class SearchAddon extends Disposable implements ITerminalAddon, ISearchAp
   private _lastSearchKey: string | undefined;
   private _resultCount = 0;
   private _resultIndex = -1;
+  private _pendingResultRefresh = false;
   private readonly _matchCache = new Map<number, Map<number, Map<string, IMatch[] | undefined>>>();
   private readonly _matchCacheOrder: IMatchCacheKey[] = [];
   private _logicalLineCache: ILogicalLineCache | undefined;
@@ -181,7 +182,14 @@ export class SearchAddon extends Disposable implements ITerminalAddon, ISearchAp
       return;
     }
     this._resultsUpdateListener.value = terminal.onWriteParsed(() => {
-      this._refreshResultsAfterBufferChange();
+      if (this._pendingResultRefresh) {
+        return;
+      }
+      this._pendingResultRefresh = true;
+      queueMicrotask(() => {
+        this._pendingResultRefresh = false;
+        this._refreshResultsAfterBufferChange();
+      });
     });
   }