npm install doesn't install any dependencies

Question

I am trying to install packages in the package.json file. Unfortunately, when I run npm install, nothing happens (nothing is installed). I have u

Answer 1

npm install doesn't install (or echo) anything when all of the dependencies are satisfied. Ensure there's a serialport folder under node_modules.

If you want to reinstall everything, you just need to remove the node_modules folder:

rm -r node_modules
npm install

Answer 2

If you have an npm-shrinkwrap.json file, check it. The npm install command will only install the packages specified in that file.

According to the npm install docs:

If the package has a shrinkwrap file, the installation of dependencies will be driven by that.

I had the same problem with my project. And when I looked at my npm-shrinkwrap.json file, I saw dependencies: {}. So that's why it didn't install anything for me.