Not by much! I’ve seen projects with 100s of Mb in node_modules.
Nick Heiner
31

For example in our (relatively) simple AngularJS application! And that’s just the devDependencies…It is even more visible now that npm flatten these dependencies. Before, they were hidden in the depths of file hierarchy!

The browser libraries are managed with Bower, and we see much less dependencies in this world, probably because of we need to include them by hand (unless a tool packages them in a big ball of mud).

That might change with ES modules…