Bug: v8 ESM is broken with esm.run

[plurry]

Current Behavior

#10300 is the closest existing issue I found.

With the ESM build, Pixi 8 won't render anything and doesn't define some variables (like Application.ticker at least).

At first I made an issue with pixi-filters (pixijs/filters#451) because it won't even bundle with esm.run right now, then I moved on to jsDelivr (jsdelivr/jsdelivr#18563) when I saw that esm.sh will at least bundle pixi-filters, but once I tried to use it instead of just loading the module I realized all of Pixi is broken.

Expected Behavior

I don't know anything about the build system and I don't want to mess with it, but using import to load Pixi should work just as well as loading pixi.min.js in a <script> tag.

Steps to Reproduce

Pixi 7 ESM works: https://jsfiddle.net/gxwoqzfb/
Pixi 8 <script> works: https://jsfiddle.net/L0a173qo/
Pixi 8 ESM does not: https://jsfiddle.net/k0nzm8ga/

Environment

• pixi.js version: 8.1.0
• Browser & Version: Firefox 123.0.1
• OS & Version: Arch

Possible Solution

No response

Additional Information

No response

[bigtimebuddy]

I think it's more of an issue with esm.run. These links works:

https://jsfiddle.net/bigtimebuddy/fwjtc8dq/

• https://cdn.jsdelivr.net/npm/pixi.js@8.1.0/dist/pixi.min.mjs
• https://pixijs.download/release/pixi.min.mjs

This is the ESM build that we ship directly. esm.run is building it on-the-fly.

[bigtimebuddy]

Skypack also works fine:
https://jsfiddle.net/bigtimebuddy/92cyohve/
https://cdn.skypack.dev/pixi.js

I think it's an issue with esm.run.

[plurry]

Ah, yep!

Even pixi-filters works with Skypack. It was just wanting to upgrade to pixi-filters@6 that got me started with this.

Neither esm.run or esm.sh work but Skypack works fine. I'll reopen the jsDelivr issue.

[bigtimebuddy]

If you can get more information about what's going on, that would be great.