needed

npm i webpack webpack-cli webpack-dev-server --save-dev

others

npm i @babel/core babel-loader @babel/preset-env @babel/plugin-proposal-class-properties --save-dev
npm i --save-dev html-webpack-plugin
npm install terser-webpack-plugin --save-dev
npm i clean-webpack-plugin --save-dev
npm i mini-css-extract-plugin --save-dev
npm i --save-dev handlebars handlebars-loader
npm i --save-dev process\

npm start

Runs the app in the development mode.\

1. npm run build:dev
2. npm run server or npm start

The page will reload if you make edits.\

npm run build:dev

Dev mode\

npm run build:prod

Production mode\