From 25ff62a681277ea1aabd0f8f049e1c5327b5cf96 Mon Sep 17 00:00:00 2001
From: "Nicholas C. Zakas" <nicholas@humanwhocodes.com>
Date: Thu, 14 Dec 2023 13:21:03 -0500
Subject: [PATCH] lintFiles() should not have default param

---
 lib/eslint/flat-eslint.js       | 4 ++--
 tests/lib/eslint/flat-eslint.js | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/eslint/flat-eslint.js b/lib/eslint/flat-eslint.js
index ae7717fe09c..9f1d04b1df1 100644
--- a/lib/eslint/flat-eslint.js
+++ b/lib/eslint/flat-eslint.js
@@ -736,10 +736,10 @@ class FlatESLint {
 
     /**
      * Executes the current configuration on an array of file and directory names.
-     * @param {string|string[]} [patterns=["."]] An array of file and directory names.
+     * @param {string|string[]} patterns An array of file and directory names.
      * @returns {Promise<LintResult[]>} The results of linting the file patterns given.
      */
-    async lintFiles(patterns = ["."]) {
+    async lintFiles(patterns) {
 
         let normalizedPatterns = patterns;
         const {
diff --git a/tests/lib/eslint/flat-eslint.js b/tests/lib/eslint/flat-eslint.js
index 7fe9d01be44..34c8e6bd103 100644
--- a/tests/lib/eslint/flat-eslint.js
+++ b/tests/lib/eslint/flat-eslint.js
@@ -965,8 +965,8 @@ describe("FlatESLint", () => {
             [
                 ["a string with a single space", " "],
                 ["an array with one empty string", [""]],
-                ["an array with two empty strings", ["", ""]]
-
+                ["an array with two empty strings", ["", ""]],
+                ["undefined", void 0]
             ].forEach(([name, value]) => {
 
                 it(`should throw an error when passed ${name}`, async () => {