No longer works at all

[larryhardin]

Aside from the complexity of downloadCourseVideos, which gets "21 You must be kidding"
The splitter fails to parse the content starting at line 65
let newString = content.split(progressive":[)[1];
let finString = newString.split(']},"lang":"en","sentry":')[0];

Error:
Uncaught TypeError TypeError: Cannot read properties of undefined (reading 'split')
at downloadCourseVideos (d:\vuemastery\vue-mastery-downloader\api\downloadCourseVideos.js:67:35)
at processTicksAndRejections (internal/process/task_queues:95:5)
downloadCourseVideos.js:67
Process exited with code 1

Once the player is loaded into the iframe, there is newString only contains:

Comments would be of great assistance in allowing others to try to figure things out.