webkit error: param must be audioParam

[eyaler]

I am trying to debug stuff on Safari using playwright - 18.2 Safari/605.1.15, on a Windows machine.

Tone.js 15.1.3 added in HTML as a regular script.

I get the error: param must be audioParam

Minimal code that triggers the error: new Tone.Synth() (this is the whole code)

Try it: https://codepen.io/eyaler/pen/NPKbBPw (issue is reproduced also outside of codepen)

No issue on firefox / chrome / playwright+chrome.

[chrisguttandin]

Hi @eyaler, thanks for reporting this.

Since Tone.js uses standardized-audio-context (which I'm the maintainer of) for cross browser compatibility I'm always wondering if issues like this may be caused by some browser bug.

I tried reproducing the issue in Safari 18.2 on macOS and by opening your CodePen demo with the current WebKit browser that comes with Playwright. It both worked as expected.

Could you maybe provide a stack trace of the error you're getting for further investigation?