vcavallo

" centers the current pane as the middle 2 of 4 imaginary columns
" should be called in a window with a single pane

 function CenterPane()
   lefta vnew
   wincmd w
   exec 'vertical resize '. string(&columns * 0.75)
 endfunction

" optionally map it to a key:

vcavallo

Process goes something like this:

bundle update webpacker
rails webpacker:binstubs
yarn upgrade @rails/webpacker@4.0.0-pre.2 # or 'add' instead of upgrade
yarn upgrade webpack-dev-server@"'3.1.4'  # or 'add' instead of upgrade
yarn add webpack-cli

bundle exec rails webpacker:install # don't do this! the scrpit seems to overwrite the @rails/webpacker version to 3.5.3

vcavallo

def valid? version
  pattern = /^\d+\.\d+\.*\d*(\-(dev|beta|rc\d+))?$/
  raise "Tried to set invalid version: #{version}".red unless version =~ pattern
end

def correct_version version
  ver, flag = version.split '-'
  v = ver.split '.'
  (0..2).each do |n|
    v[n] = v[n].to_i

vcavallo

Remote Dev machine webpack-dev-server HMR + static serving combo

Make sure you have port 8080 (or whatever you use) open on the remote machine!! Don't be like Vinney.

I'm no webpack expert (in fact this is the first project I've set up by hand ever...), but if you know what you're doing you should be able to change the relevant parts of this to fit your project:

# webpack.config.js

module.exports = {