Could you open source the demo website?

[rockcs1992]

Could you open source the demo website?

[rockcs1992]

If you don't feel comfortable doing that, could you take a look at this simple demo and tell me what is wrong with it and how to make it work? It could load the audio file, show the grid and the cursor, however it doesn't show the waveform

Thank you so much!
https://codesandbox.io/s/elegant-sky-dexru

[zhw2590582]

The code is here: https://github.com/zhw2590582/WFPlayer/tree/master/docs

[rockcs1992]

I see. Thank you!