Nested routes with React Router v4

Nested routes with #ReactJS Router v4:  by @tylermcginnis #JavaScript

  • Similar, in order to understand nested routes, you first need to be comfortable with React Router’s most fundamental component, .
  • This is the first big concept of nested routes with React Router – it doesn’t matter if you render a in your main component or in nested components, if the matches, the will be rendered.
  • React Component BrowserRouter Router Route Link topics name id description resources name id description “URL parameters are parameters whose values are set dynamically in a page’s URL.
  • url name id description resources name id description “React Lifecycle events allow you to tie into specific phases of a components lifecycle” url name id description url name id description ‘In computer science, functional programming is a programming paradigm—a style of building the structure and elements of computer programs—that treats…
  • url name id description ‘A guide to building UI with pure functions and function composition in React’ url Resource match topic topics id id match params topicId resources id id match params subId div h3 topic name h3 p topic description p a href topic url More info a div…

React Router v4 introduced a new declarative, component based approach to routing. With that approach came some confusion around nested routes. In this post we’ll break down that confusion and you’ll learn how to nest routes with React Router.

This post is part of our React Router v4 course. ${salesPitch}. 👈’s a joke. Carry on.

React Router v4 introduced a new declarative, component based approach to routing. With that approach came some confusion around nested routes. In this post we’ll break down that confusion and you’ll learn how to nest routes with React Router.

In order to understand recursion, you first need to be familiar with functions, return values, and the callstack. Similar, in order to understand nested routes, you first need to be comfortable with React Router’s most fundamental component, .

takes in a and a . When your app’s current location matches the , the will be rendered. When it doesn’t, will render null.

The way I like to think is whenever you use , it’s always going to render something. If the app’s location matches the , it’ll render the . If it doesn’t, it will render .

With that out of the way, let’s take a look at the example we’ll building. The idea is we have a list of topics, those topics have resources, and those resources have a url. Here’s the data structure we’re working with.

This schema will map nicely to nested routes and our app will eventually end up looking like this

Before we start worrying…

Nested routes with React Router v4