From d7602ed38ae76377ad18cfeac9339775c2e30a3b Mon Sep 17 00:00:00 2001
From: mcanam <mcanam910@gmail.com>
Date: Mon, 29 Apr 2024 03:49:57 +0700
Subject: [PATCH] refactor(parser): improve input validation and error handling

---
 src/parser.js | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/parser.js b/src/parser.js
index f7443b5..2b3a3e6 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -16,16 +16,17 @@ const ENHANCED_REGEX = /<\d{2}:\d{2}(.\d{2,})?>\s*[^\s|<]*/g;
  * @returns {Object} parsed lrc data
  */
 export default function parser(lrc) {
-      if (lrc == '' || !lrc.trim()) {
-            console.warn("[Liricle] LRC is empty.");
-      }
-
       const output = {
             tags : {},
             lines: [],
             enhanced: isEnhanced(lrc)
       };
 
+      if (typeof lrc != 'string' || !lrc.trim()) {
+            console.warn("[Liricle] LRC is empty.");
+            return output;
+      }
+
       const lines = lrc.split(/\r?\n/);
 
       // parsing started