Need Help with a cjs import that is calling System.register

[Al J]

I am using the Aurelia framework(which uses System.js) and I want to use the package github:ArthurClemens/Javascript-Undo-Manager

That package has a few things that need fixing and I'd like to suggest them to the author, but I can't quite figure out what to tell him

The [jspm] import (when done from npm: or github:)  warns of no entrypoint -- and I fix that with an override:  -o "{main: 'undomanager.js'}"

But I can't use the UndoManager object unless I copy the undomanager.js file to my sources folder and import it from there (I clean undomanager from config.js)

Note: If I imported it from npm I have to remove the line: "format cjs"; 

Also: If I remove the line: "format cjs";  when it's in the jspm installed directory it still won't work, and an override of { format: '' } doesn't help

At one point in my fumbling around I managed to get the browser to display this error: ( but I can't figure out how I did it )

  

   system.src.js:4597 Uncaught Error: Module http://0.0.0.0:9000/dist/undomanager.js interpreted as cjs module format, but called System.register. 

The file is here: https://raw.githubusercontent.com/ArthurClemens/Javascript-Undo-Manager/master/lib/undomanager.js

I would like to suggest fixes to the author that will let me use file from a clean import

Thanks for any help you can provide

Al;

[Guy Bedford]

This is a jspm issue, rather than a SystemJS one, but it seems to work in jspm with:

jspm install github:ArthurClemens/Javascript-Undo-Manager -o "{main:'undomanager.js'}"

The main can be put in the jspm registry, or added to the package.json of the repo to work without the custom override being necessary.

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[research...@gmail.com]

But what the format of the module?

How do I find out what format it is?

What's the default format you get when you delete the format it says it is ?