”document“ should not appear in the Worker.

[Aloento]

Describe the bug

I use Comlink to work with Worker.
It's seems like:

And to use:

  const worker = new Worker(new URL("./Decoder", import.meta.url), { type: "module" });
  const decode = Comlink.wrap<typeof AVIFDecode>(worker);

Then, everything is fine with dev, but after building:

Reproduction

https://github.com/Aloento/ErrorRepo

Used Package Manager

yarn

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Make sure this is a Vite issue and not a framework-specific issue. For example, if it's a Vue SFC related bug, it should likely be reported to https://github.com/vuejs/core instead.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion or join our Discord Chat Server.
• The provided reproduction is a minimal reproducible example of the bug.

[Aloento]

Possible original code for this:

It seems like the optimizer remove the if statement.

[sapphi-red]

For a workaround use worker.format.

import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'

// https://vitejs.dev/config/
export default defineConfig({
  plugins: [react()],
  worker: {
    format: 'es' // here
  }
})

[sapphi-red]

Reopening as this is a bug

[rubiagatra]

can you give me the idea to replicate this @sapphi-red @Aloento

[Aloento]

Err.zip