This one proved to be useful many times!
# du
# -d - depth
# -h - "Human-readable" output
# sort
# -h - make sure it sorts correctly MB,KB
# -r - (reverse) make sure it is sorted from the largest
du -d 1 -h | sort -h -r
# will output
30M .
28M ./node_modules
1.6M ./.git
248K ./docs
188K ./public
28K ./posts