I have set up a server using express and the webpack-dev-middleware and webpack-hot-middleware that is currently accepting module replacements for the .js files
image-morphology
symfony-3.1
ecmascript-harmony
idispatch
teardown
gpio
wordprocessingml
messageui
gopacket
ear
html-validation
git-ls-files
iphone-3gs
avcapturedevice
rcurl
x86-emulation
project-conversion
css-content
openfoam
kaboom
virtio
gallina
libm
bitrix
segments
firefox-os
advanced-queuing
ssh-keygen
upsetplot
reaper