From 6ef1bdd7ce04d733100e57eca0d989447bdad1d9 Mon Sep 17 00:00:00 2001
From: Daniel Imms <2193314+Tyriar@users.noreply.github.com>
Date: Mon, 21 Mar 2022 16:37:46 -0700
Subject: [PATCH] Debounce onData listener

---
 addons/xterm-addon-search/src/SearchAddon.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/addons/xterm-addon-search/src/SearchAddon.ts b/addons/xterm-addon-search/src/SearchAddon.ts
index 12e82103..3dd2992d 100644
--- a/addons/xterm-addon-search/src/SearchAddon.ts
+++ b/addons/xterm-addon-search/src/SearchAddon.ts
@@ -53,6 +53,7 @@ export class SearchAddon implements ITerminalAddon {
   private _searchResults:  Map<string, ISearchResult> = new Map();
   private _onDataDisposable: IDisposable | undefined;
   private _lastSearchOptions: ISearchOptions | undefined;
+  private _highlightTimeout: number | undefined;
   /**
    * translateBufferLineToStringWithWrap is a fairly expensive call.
    * We memoize the calls into an array that has a time based ttl.
@@ -67,7 +68,10 @@ export class SearchAddon implements ITerminalAddon {
     this._terminal = terminal;
     this._onDataDisposable = this._terminal.onData(() => {
       this._dataChanged = true;
-      setTimeout(() => {
+      if (this._highlightTimeout) {
+        window.clearTimeout(this._highlightTimeout);
+      }
+      this._highlightTimeout = setTimeout(() => {
         if (this._lastSearchOptions?.decorations && this._cachedSearchTerm && this._resultDecorations.size > 0 && this._lastSearchOptions) {
           this._highlightAllMatches(this._cachedSearchTerm, this._lastSearchOptions);
         }