diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..64eb438
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+*.sh text eol=lf
+.gitattributes text eol=lf
\ No newline at end of file
diff --git a/example.ts b/example.ts
index a201bd7..e3d121c 100644
--- a/example.ts
+++ b/example.ts
@@ -1 +1,22 @@
 console.log('Some .ts code reproducing a bug');
+/* some comment */
+function someFunc() {
+    throw new Error("Error2 "); // Line 4
+}
+; (() => {
+    try {
+        /* some comment */
+        someFunc(); // Line 9
+    }
+    catch (err) {
+        /* some comment */
+        //  console.log("Error Found", err);
+
+        const a = err.stack.split("\n").filter(x => x.match(/example.ts/));
+        const lineNumbers = a.map((x) => parseInt(x.match(/\:([0-9]+)/)[1], 10));
+        console.log(lineNumbers);
+        if (lineNumbers.join(",") !== "4,9,22") {
+            throw new Error("Invalid line number : expecting 4,9,22 and got " + lineNumbers.join(","));
+        }
+    }
+})(); // Line 22
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..329ac0a
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,11 @@
+{
+  "requires": true,
+  "lockfileVersion": 1,
+  "dependencies": {
+    "typescript": {
+      "version": "3.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.3.tgz",
+      "integrity": "sha512-D/wqnB2xzNFIcoBG9FG8cXRDjiqSTbG2wd8DMZeQyJlP1vfTkIxH4GKveWaEBYySKIg+USu+E+EDIR47SqnaMQ=="
+    }
+  }
+}
diff --git a/package.json b/package.json
index 4d56496..db8b135 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,5 @@
 {
   "dependencies": {
-    "ts-node": "latest",
-    "typescript": "latest"
+    "typescript": "^3.9.3"
   }
 }
diff --git a/run.sh b/run.sh
index d553b44..34d9eae 100644
--- a/run.sh
+++ b/run.sh
@@ -4,10 +4,12 @@
 n lts
 
 # Install package.json dependencies
-yarn
+npm install 
 
 # Run ts-node
-yarn ts-node ./example.ts
+npx ts-node@8.9 example.ts
+
+npx ts-node@8.10 example.ts
 
 echo "Process exited with code: $?"
 echo