Raul Rodriguez

Hi @flistonfr I am wondering if you also got errors such as the ones described in [this other issue](https://github.com/mebjas/html5-qrcode/issues/396)

I wonder if it could be an issue with transitive dependencies and the versions you are using. Anyways, for other who might know more/better I think another thing you could...

In my case, I removed import 'zone.js/dist/jasmine-patch'; as I had import 'zone.js/dist/zone'; as my first import. Have in mind that, having zone as the first import in you index.ts|test.ts doesn't...

Is this the library you used? https://www.cs.umd.edu/hcil/treemap/ And are these the steps you followed to allow importing it? https://github.com/processing/processing/wiki/How-to-Install-a-Contributed-Library