This is an example how we use babel + webpack + vuejs + sqljs as a boilerplate 

how to use Class style vue.js
how to use bable
how to use webpack with *.vue file
sql.js usage example is integrated, also.

babel-core
babel-loader
babel-plugin-transform-class-properties
babel-plugin-transform-decorators-legacy
babel-preset-env
cross-env
css-loader
vue
vue-class-component
vue-loader
vue-property-decorator
vue-template-compiler
webpack
webpack-dev-server

https://github.com/skysign/public/tree/master/vue.js/boilerplate/babel-webpack-vuejs-sqljs-boilerplate