From 2565cdfcc711a17bd537efe702f51a7a2892d636 Mon Sep 17 00:00:00 2001
From: mkelvers <mikkelelvers@outlook.com>
Date: Wed, 24 Jun 2026 16:08:00 +0200
Subject: [PATCH] fix: guard parseVttTime against NaN inputs and strip cue
 settings from end time

---
 static/player/subtitles/vtt.ts | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/static/player/subtitles/vtt.ts b/static/player/subtitles/vtt.ts
index 6cbb176..6b3e2ed 100644
--- a/static/player/subtitles/vtt.ts
+++ b/static/player/subtitles/vtt.ts
@@ -10,7 +10,13 @@ export const parseVttTime = (raw: string): number => {
   if (!secPart || !minPart) {
     return 0;
   }
-  return Number(hourPart) * 3600 + Number(minPart) * 60 + Number(secPart.replace(",", "."));
+  const hour = Number(hourPart);
+  const minute = Number(minPart);
+  const second = Number(secPart.replace(",", "."));
+  if (!Number.isFinite(hour) || !Number.isFinite(minute) || !Number.isFinite(second)) {
+    return 0;
+  }
+  return hour * 3600 + minute * 60 + second;
 };
 
 // parses a single VTT cue: timestamp line + text lines
@@ -34,7 +40,8 @@ const parseVttCue = (line: string, lines: string[], i: number) => {
   if (!text) {
     return null;
   }
-  return { start: parseVttTime(startRaw), end: parseVttTime(endRaw), text };
+  const endTime = endRaw.trim().split(/\s+/)[0] ?? "";
+  return { start: parseVttTime(startRaw), end: parseVttTime(endTime), text };
 };
 
 /**