From 838ca3c3e062e4a8eeb25dd210f05a1f44ba5e2d Mon Sep 17 00:00:00 2001
From: michail-sygk <mikesglks@gmail.com>
Date: Sat, 6 Jan 2024 13:17:44 +0100
Subject: [PATCH] fix:multiLineTextFinder to handle null return value from find
 method

---
 src/util/MultiLineTextFinder.ts | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/util/MultiLineTextFinder.ts b/src/util/MultiLineTextFinder.ts
index 7977e6c6..a21d579a 100644
--- a/src/util/MultiLineTextFinder.ts
+++ b/src/util/MultiLineTextFinder.ts
@@ -12,8 +12,11 @@ export class MultiLineTextFinder {
         } else {
             const sourceTextArray = splitTextIntoLineArray(sourceText);
             const searchTextArray = splitTextIntoLineArray(searchText);
-            const lineNo: number = MultiLineTextFinder.find(sourceTextArray, searchTextArray);
-            if (lineNo) {
+            const lineNo: number | null = MultiLineTextFinder.find(
+                sourceTextArray,
+                searchTextArray,
+            );
+            if (lineNo !== null) {
                 const replacementTextArray = splitTextIntoLineArray(replacementText);
                 const linesToRemove: number = searchTextArray.length;
                 sourceTextArray.splice(lineNo, linesToRemove, ...replacementTextArray);