From c6d20a034d5574706c43e4e75399e4b62bef6069 Mon Sep 17 00:00:00 2001
From: Aviv Keller <redyetidev@gmail.com>
Date: Wed, 25 Sep 2024 04:51:11 -0400
Subject: [PATCH] repl: catch `\v` and `\r` in new-line detection

PR-URL: https://github.com/nodejs/node/pull/54512
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
Reviewed-By: LiviaMedeiros <livia@cirno.name>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
---
 lib/internal/repl/utils.js                  |  6 ++---
 test/parallel/test-repl-preview-newlines.js | 29 +++++++++++++++++++++
 2 files changed, 32 insertions(+), 3 deletions(-)
 create mode 100644 test/parallel/test-repl-preview-newlines.js

diff --git a/lib/internal/repl/utils.js b/lib/internal/repl/utils.js
index ce0caf6d2a3..27e1011ec9d 100644
--- a/lib/internal/repl/utils.js
+++ b/lib/internal/repl/utils.js
@@ -436,9 +436,9 @@ function setupPreview(repl, contextSymbol, bufferSymbol, active) {
 
       // Line breaks are very rare and probably only occur in case of error
       // messages with line breaks.
-      const lineBreakPos = StringPrototypeIndexOf(inspected, '\n');
-      if (lineBreakPos !== -1) {
-        inspected = `${StringPrototypeSlice(inspected, 0, lineBreakPos)}`;
+      const lineBreakMatch = RegExpPrototypeExec(/[\r\n\v]/, inspected);
+      if (lineBreakMatch !== null) {
+        inspected = `${StringPrototypeSlice(inspected, 0, lineBreakMatch.index)}`;
       }
 
       const result = repl.useColors ?
diff --git a/test/parallel/test-repl-preview-newlines.js b/test/parallel/test-repl-preview-newlines.js
new file mode 100644
index 00000000000..02d294032ac
--- /dev/null
+++ b/test/parallel/test-repl-preview-newlines.js
@@ -0,0 +1,29 @@
+'use strict';
+
+const common = require('../common');
+const ArrayStream = require('../common/arraystream');
+const assert = require('assert');
+const repl = require('repl');
+
+common.skipIfInspectorDisabled();
+
+const inputStream = new ArrayStream();
+const outputStream = new ArrayStream();
+repl.start({
+  input: inputStream,
+  output: outputStream,
+  useGlobal: false,
+  terminal: true,
+  useColors: true
+});
+
+let output = '';
+outputStream.write = (chunk) => output += chunk;
+
+for (const char of ['\\n', '\\v', '\\r']) {
+  inputStream.emit('data', `"${char}"()`);
+  // Make sure the output is on a single line
+  assert.strictEqual(output, `"${char}"()\n\x1B[90mTypeError: "\x1B[39m\x1B[9G\x1B[1A`);
+  inputStream.run(['']);
+  output = '';
+}