Importing into an angular project via npm / index.html

[AjayvirS]

Describe the bug

When I try to import tex2max using declare var tex2max: any; I get a ReferenceError: tex2max is not defined. But this doesn't occur with other packages. I have tried binding the scripts by installing the npm package and through the script tag in index.html

To Reproduce
Steps to reproduce the behavior:

1. Install npm package using npm install tex2max --save-dev
2. Try to import and use a tex2max object
3. See error

Expected behavior
tex2max object should be created, I need the toMaxima() method specifically

Desktop (please complete the following information):

• MacOS 10.14.6
• Firefox 78.0.1