From 5ca7de977e3604bd522b5a7aab9a45e74499cac3 Mon Sep 17 00:00:00 2001
From: Nayab Gauhar <93754299+Nayab-Gauhar@users.noreply.github.com>
Date: Fri, 31 Oct 2025 17:38:47 +0530
Subject: [PATCH] docs: Add JSDoc documentation to CountLanguages class

Added comprehensive JSDoc comments to improve code documentation:
- Document CountLanguages class purpose
- Document countLanguageUsage method with @param, @returns, and @example tags
- Improve developer experience and code maintainability
---
 countLanguages.js | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/countLanguages.js b/countLanguages.js
index 5ffa781c84..3eec1ab735 100644
--- a/countLanguages.js
+++ b/countLanguages.js
@@ -1,10 +1,26 @@
+/**
+ * A utility class for analyzing programming language usage across GitHub repositories.
+ */
 class CountLanguages {
+    /**
+     * Counts the number of repositories that use each programming language.
+     * 
+     * @param {Array<Object>} repositories - An array of repository objects with a 'language' property
+     * @returns {Object} An object mapping language names to their usage count
+     * @example
+     * // Returns { JavaScript: 3, Python: 2 }
+     * countLanguageUsage([
+     *   { language: 'JavaScript' },
+     *   { language: 'JavaScript' },
+     *   { language: 'Python' },
+     *   { language: 'JavaScript' },
+     *   { language: 'Python' }
+     * ]);
+     */
     countLanguageUsage(repositories) {
         const languageCount = {};
-
         for (const repo of repositories) {
             const language = repo.language;
-
             if (language) {
                 if (languageCount[language]) {
                     languageCount[language]++;
@@ -13,9 +29,7 @@ class CountLanguages {
                 }
             }
         }
-
         return languageCount;
     }
 }
-
 module.exports = CountLanguages;