[BUG] generated wasm is incompatible with WebWorkers

[JasonGross]

The generated .js file contains

    function fetchRelative(src) {
      const url = new URL (src, document.currentScript?.src || document.baseURI).href
      return fetch(url)
    }

but document is not defined for WebWorkers. I want WebWorkers to prevent UI unresponsiveness for long-running function calls.

[vouillon]

That should be fixed. Thanks for the report!