Learn React-router, Recompose and Tachyons

***Note: Active maintenance for Recompose has been discontinued since the announcement for React hooks. Your existing code using Recompose will still work. Recompose is not compatible with RxJS version 6 and beyond. You can read more about the decision [here.](https://github.com/acdlite/recompose/issues/756#issuecomment-438674573)*** 


Loading data and handling events almost always introduces layers of complexity into React apps. Recompose and RxJS solve your async problems by using Streams to output components. This course walks you through combining the powers of React and RxJS to stream data into JSX with streaming patterns and pure React components.

React is one of the web’s most popular frameworks for building JavaScript applications. 

If you know what you’re doing, React can drastically simplify how you build, use, and maintain code.

Whether you’re a React newbie or you’re ready for advanced techniques, you can level-up with egghead. Explore our in-depth courses, lessons, and community resources to build more powerful applications and crack open your career.

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Build React Components from Streams with RxJS and Recompose

In this course, you will learn to use many of the most powerful and convenient higher-order components within Recompose by coding several real-world examples. Using recompose looks very different from “vanilla” React; so you will also get comfortable with the look and feel of a “recomposed” component. The best part is no more need for class components! You’ll learn how to use Recompose to both modify components and also create your own higher-order components.

Higher Order Components with Functional Patterns Using Recompose

React Router v4 takes an entirely new approach to routing and handling URLs in your React applications. It fully embraces the concept of declarative programming and a component based development process. In practice, this turns out to be very nice and gives you a routing solution that is less configuration heavy than many previous solutions.

In this course, you will learn about the basics of React Router v4 to help you get started. We will look at the core components that React Router supplies and how they interact together to create a robust routing solution for your React applications.

Add routing to React apps using React Router v4

React Router is the defacto router for any React application and it allows us to extract the state of our application from the browser's address bar.

In this course we'll explore the core features of React Router in common examples.  From routing with individual components to more complex routing consisting of multiple components, query-strings, route parameters,  and redirects.  

Getting Started with React Router v3

When you declare your Component and Props in JSX, you can pass those props along to your [RxJS](/q/rxjs) stream. This is typically done using `switchMap` or `combineLatest` where you can grab from the props from your `props$` stream and push them into another stream.

Pass a React Prop to a Stream in RxJS

Routes are some times better served as a modal. If you have a modal (like a login modal) that needs to be routeable and appear on all pages you may need to use query params. Will explore how to render a route all the time and use query params to control when it's content renders

Create a Query Parameter Modal Route with React Router

Gatsby is a blazing fast static site generator built with React. Gatsby gives you all of the modern JavaScript tools you want; set up and ready to go out of the box.

gatsby

Restricting access to content that is delivered client-side in a Gatsby site takes a few steps. We use Netlify Identity to handle user authentication and reach router to build our auth-restricted client-side application.

Using Netlify Identity to control access to a Gatsby client-side dashboard route

React Router v4 doesn’t require a lot of configuration to run. The core examples will run out of the box with Create React App. In this lesson, you will create an application and get React Router v4 up and running.

_**note**: in this video `react-router-dom` is installed with the `--save-dev` flag. This is **not required and may cause issues if used**. Simply install it with `npm install react-router-dom` and it will function as expected._

Run the React Router v4 Examples with Create React App

React Router 4 has several routers built in for different purposes. The primary one you will use for building web applications is the BrowserRouter. In this lesson you will import the BrowserRouter and create some basic Route components.

Create Basic Routes with the React Router v4 BrowserRouter

setRouteWillLeaveHook provides a method for us to intercept a route change before leaving the current route.

React Router: setRouteWillLeaveHook

React-router is the community favourite routing solution - it can handle all of your complex routing needs and in this lesson we’ll cover what’s needed to enable it’s use within Preact. https://github.com/ReactTraining/react-router

Integrate react-router with Preact

IndexRoute allows us to define a default child component to be rendered at a specific route when no other sub-route is available.

React Router: IndexRoute

We can use regular expressions to more precisely define the paths to our routes in React Router v4.

Use Regular Expressions with Routes with React Router v4

Learn how to use the 'compose' function to mix together HOCs, even ones from other libraries like 'connect' from redux.

Compose Multiple Higher Order Components Together using Recompose

Learn how to use the 'withState' and 'withHandlers' higher order components to easily add local state to—and create a reusable local state pattern for—your functional stateless components. No need for classes!


Add Local State to a Functional Stateless Component using Recompose

Learn how to use the 'withReducer' higher order component using the alternative reducer form. If you like using reducers in redux, you’ll be able to reuse that same technique but for local state.

Add Local State with Redux-like Reducers using Recompose

Learn the proper patterns for writing a higher order component from scratch.

Write a Higher Order Component from Scratch

Learn how to use the 'mapProps' higher-order component to modify an existing component’s API (its props). 'mapProps' takes incoming props and changes them however you’d like; for example, filtering the props by a field.

Transform Props by using the Recompose mapProps Higher Order Component

Learn how to use the ‘withProps’ higher order component to pre-fill a prop, unable to be overridden.

Lock Props by using the Recompose withProps Higher Order Component

In this lesson we'll look at hashHistory which uses a hash hack to track our route changes vs browserHistory which delivers clean urls, but requires server work to implement

React Router: hashHistory vs browserHistory

Since react-router routes are components, creating nested routes is as simple as making one route a child of another in JSX.  In this lesson we'll explore nesting routes and accessing the children of parent routes.

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