Uncaught TypeError: Cannot set properties of undefined (setting 'LZMA_WORKER')

[ConfidantCommunications]

I've had a bug for a while. It hasn't impeded development but I thought I should finally report it. Whenever my application launches I get this error in the console:

AMF3Array.hx:33 Uncaught TypeError: Cannot set properties of undefined (setting 'LZMA_WORKER')
at $lime_init (AMF3Array.hx:33:2)
at AMF3Array.hx:33:2
$lime_init | @ | AMF3Array.hx:33
(anonymous) | @ | AMF3Array.hx:33

That line in AMF3Array is:
@optional public var extra:Map<String, Dynamic>;

So it would appear the "extra" map doesn't exist. I can delve into this further but thought I should start a record here since I know nothing about this part of Lime yet.

[ConfidantCommunications]

There might be a problem with my source map.
The error is actually coming from the dependency lzma_worker-min.js where the last statement is:
this.LZMA=this.LZMA_WORKER=e;

[tobil4sk]

Could you share a minimal sample program that reproduces the error?

[ConfidantCommunications]

That may be possible but my investigation (with help of AI) is indicating that because I am running the JS in a module context, the "this" reference doesn't refer to window or global object. I'm pursuing a solution to that issue and in the meantime would appreciate ideas on how to patch or replace that dependency. I'll report back if I find a fix.

[ConfidantCommunications]

If I replace the last line this.LZMA=this.LZMA_WORKER=e; with var _global = typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}; _global.LZMA = _global.LZMA_WORKER = e; my problem is solved. Any thoughts on whether that is sufficient for a pull request?

[tobil4sk]

We probably shouldn't modify the vendored (and minified) lzma_worker-min.js file. However, it seems that project is quite outdated now, so maybe we'd be better off moving to a different implementation for js, which might be more compatible with modern js usage.

[ConfidantCommunications]

Thanks for the input. My app seems to function without that library so I don't know if I would be doing much more toward that. Hacking the Lime source code suits me for now but isn't ideal, obviously.

[tobil4sk]

Perhaps if you don't need it, you might also be able to comment it out here to prevent it from being included:

lime/include.xml

Line 100 in 655c12b

<dependency path="dependencies/lzma_worker-min.js" if="html5" embed="true" />