Available plugins are:

• common: try to replace CommonJS require expressions and module.exports into ES6 statements
• babel: access to Babel Standalone plugins in order to transpile non-standard syntax like JSX, Flow or Typescript(!)
• text: convert text files into ES6 modules
• json: convert JSON files into ES6 modules
• env: inject environment variables passed by a configuration (browsers have not access to real env variables)
• resolve: partial implementation of the node resolution algorithm.