From bb7925fe11e3500dad6fc1d4baf5e20925fc2358 Mon Sep 17 00:00:00 2001
From: Marc Goodner <mrgoodner@hotmail.com>
Date: Wed, 4 Dec 2024 07:35:12 -0800
Subject: [PATCH] improve whitespace sensitivity in multiline text matching

---
 src/filesystem/index.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/filesystem/index.ts b/src/filesystem/index.ts
index e736b1c1..12dde55d 100644
--- a/src/filesystem/index.ts
+++ b/src/filesystem/index.ts
@@ -231,10 +231,14 @@ function findTextPosition(content: string, searchText: string): Position {
   if (pos === -1) {
     throw new Error(`Text not found:\n${searchText}`);
   }
+
+  // Map back to original content position
+  const originalPos = content.slice(0, pos).replace(/[ \t]+/g, ' ').length;
+  const originalEnd = originalPos + searchText.length;
   
   return {
     start: pos,
-    end: pos + searchText.length,
+    end: originalEnd,
     lineNumber: normalized.slice(0, pos).split('\n').length
   };
 }