URL in Worker constructor not being replaced with actual bundle URL

[mischnic]

🐛 bug report

new URL isn't being replaced with some reference to the actual worker bundle

🎛 Configuration (.babelrc, package.json, cli command)

{
	"browserslist": "IE 11",
	"dependencies": {
		"parcel": "2.0.0-nightly.763"
	}
}

yarn parcel build index.html --no-optimize --no-cache

😯 Current Behavior

This is what the type=module page script bundle looks like:

new Worker(new URL("./worker.js", _import.meta.url), {
    type: "module"
});

💻 Code Sample

https://github.com/mischnic/parcel-issue-6579

<script type="module" src="index.js"></script>

// index.js
new Worker(new URL("./worker.js", import.meta.url), { type: "module" });

// worker.js
console.log("worker")

🌍 Your Environment

Software	Version(s)
Parcel	2.0.0-nightly.763