.then(youtubeDL => {
youtubeDL.getSubs(url, options, (err, files) => {
if (err) return rej(err)
+ if (!files) return []
logger.debug('Get subtitles from youtube dl.', { url, files })
const subtitles = files.reduce((acc, filename) => {
const matched = filename.match(/\.([a-z]{2})\.(vtt|ttml)/i)
-
- if (matched[1]) {
- return [
- ...acc,
- {
- language: matched[1],
- path: join(cwd, filename),
- filename
- }
- ]
- }
+ if (!matched || !matched[1]) return acc
+
+ return [
+ ...acc,
+ {
+ language: matched[1],
+ path: join(cwd, filename),
+ filename
+ }
+ ]
}, [])
return res(subtitles)