package.js with dot js at end global object wrong naming

While, for example for `highlight.js` it should be `highlightJs = {actual: Functions}` it is `highlight = {js: {actual: Functions}}`, which can cause problems when `highlight` package is also requested.

Appendind `Js` is fine since
> New packages must not have uppercase letters in the name.
https://docs.npmjs.com/files/package.json#name

Start by inspecting package.js and the code that derives the global object name from a package name. Reproduce the highlight.js case and a request involving another highlight package, then verify that the generated name uses highlightJs rather than nesting js under highlight.

Written by the indexing model from the issue text.