Ever been curious about how much space your node_modules directories are taking up across every project on your file system?

From the root of your project directory, run:

find . -name "node_modules" -type d -exec du -bc {} + \
  | grep total$ \
  | cut -f1 \
  | awk '{ total += $1 }; END { print total }' \
  | numfmt --to=iec


This will search for every node_modules directory, find the size, and add all the sizes together before showing you a number.

For me (on an overworked computer), this was:

>> took 6m37s