router5 is available in all major formats: ES6, CommonJS, and UMD. It can be installed using npm or yarn. Alternatively, you can download a specific version from github.
var browserPlugin =require('router5-plugin-browser');
var persistentParamsPlugin =require('router5-plugin-persistent-params');
UMD
Various UMD bundles are accessible under /dist/umd: you should use them for AMD or global. The router5 bundle contains all router5 dependencies (route-node and path-parser), but doesn't contain plugins.