eventbus

event bus

do not update packages

ncu                    
 optimize-css-assets-webpack-plugin   3.2.0  →   5.0.0 
 vue-loader                          13.7.2  →  15.2.6 
 webpack                             3.12.0  →  4.16.4 

A Vue.js project

yarn -i
yarn start
yarn deploy # gh-pages deployment

For a detailed explanation on how things work, check out the guide and docs for vue-loader.