> I use this setup primarily to have at least some sort of a barrier between my system and the gigabytes of NPM packages that get downloaded as dependencies. Y

> I use this setup primarily to have at least some sort of a barrier between my system and the gigabytes of NPM packages that get downloaded as dependencies. You can do something similar with IntelliJ by running npm inside a Docker container with your working directory mounted into it. IntelliJ will happily index the resulting node_modules folder without executing any code on the host.