Where can I obtain a compressed copy of the npm package contents?

You can download a zip version of it from our version history in github:

https://github.com/ag-grid/ag-grid/releases

https://github.com/ag-grid/ag-grid-enterprise/releases

https://github.com/ag-grid/ag-grid-angular/releases

https://github.com/ag-grid/ag-grid-react/releases

https://github.com/ag-grid/ag-grid-vue/releases

https://github.com/ag-grid/ag-grid-aurelia/releases