ReasonML Quick Start Guide

Client-side routing

ReasonReact comes with a built-in router found in the ReasonReact.Router module. It is quite unopinionated and therefore flexible. The public API has only four functions:

• ReasonReact.Router.watchUrl: (url => unit) => watcherID
• ReasonReact.Router.unwatchUrl: watcherID => unit
• ReasonReact.Router.push: string => unit
• ReasonReact.Router.dangerouslyGetInitialUrl: unit => url

The watchUrl function starts watching the URL for changes. When changed, the url => unit callback is called. The unwatchUrl function stops watching the URL.

The push function sets the URL, and the dangerouslyGetInitialUrl function gets a record of type url. The dangerouslyGetInitialUrl function is meant to be used only within the didMount lifecycle hook, ...