Question : Is the installed package really 795.3 MB ?

I installed 0.38.3.
The folder in the node_modules directory is 795.3 MB.

For micro-services this is really uncomfortable it increases a lot of install and transfer times and requires bigger storage spaces for my machines.

And the only thing I'm using is BigQuery.

Did I get something wrong ? Is there a way to install just BigQuery ?

This just came up on Twitter: https://twitter.com/mluggy/status/770221258533380096

Old versions of npm don't run dedupe for you. This is a command which finds compatible ranges of dependencies between your dependencies, and removes them from disk. Since npm version 3, dedupe is run before downloading any dependencies, so no extra disk space or download time is wasted.

For example, on npm 3, npm install google-cloud results in a ~45MB download. With npm 2, you get the larger download size (~700MB from my testing). If you run npm dedupe, you should end up around the npm 3 size.

So the two options for best results are;