Cannot use with large files

[roppazvan]

Describe the bug
The library is virtually unusable with large files

To Reproduce
Steps to reproduce the behavior:

• Load large files, over 200lines or so

slow.mov

Expected behavior
Should render without performance issues

Screenshots

Desktop (please complete the following information):

• OS: iOs
• Browser Chrome

[graham-atom]

I am also seeing this issue, any idea how to fix?

[roppazvan]

I am also seeing this issue, any idea how to fix?

@graham-atom I've just used the prism.js library, that works very well.