Welcome to React Training!

Be sure to also checkout https://reacttraining.com/public-workshops to see our schedule of public workshops.

This repo contains the latest course material for React Training. You are permitted to use any code or ideas you find here for any of your projects. However, you cannot copy this material to create paid trainings.

Workshops Contained

React Core
Advanced Component Design
Advanced Compound Components
Advanced Hooks
Remix

README Table of Contents

Quick Install Setup
How to get ready for the workshop
Not good at JavaScript? Not a programmer?
Setup For Mac and Linux Users (Unix Users)
Setup For Windows Users
Consider Using VSCode
Running the code
Running the code on Windows
Database
Updating Workshop Code
Troubleshooting
Improvements?
License

Quick Install Setup

Already have Node/NPM installed? Then start here. Otherwise we have some instructions below in this document if you don't.

For React Workshops

✨ Note that we are on 19. Some dependencies that will work with v19 just haven't been updated yet to know they can work with it, so you'll have to do the --force flag when installing to fix peer dependency issues:

Do npm install --force first
Do npm start
Choose "React" from the menu
You'll see a menu in the terminal. Choose "FULL APP"
You should be able to visit localhost:3000 in the browser and see the app
You're all set if you see the app.

Be sure to read this "JavaScript Primer" article if you think you'll need guidance on modern JavaScript: https://reacttraining.com/blog/javascript-the-react-parts/

For The Remix Workshop

NOTE THAT WE'RE ON REACT 19 BETA. This is why you'll need to use the --force flag when installing to fix peer dependency issues:

Do npm install --force first
Do npm run install-remix next
Do npm start
Choose "Remix" from the menu
You'll see a list of options to run our curriculum next. Choose "FULL APP"
You should be able to visit localhost:3000 in the browser and see the app
You're all set if you see the app.

Be sure to read this "JavaScript Primer" article if you think you'll need guidance on modern JavaScript: https://reacttraining.com/blog/javascript-the-react-parts/

How to get ready for the workshop

Make sure you have Git and Node installed first. Windows Users see the special section below on this.
Install this code (instructions below)
Read this JavaScript article as a primer for React. Some JS topics are confusing to those who mostly program in other languages -- like JavaScript's Arrow Functions.
We highly recommend watching this 10m video - The Story of React
We have some additional reading material for those who are interested in learning more things before the workshop (not required though).
WAIT! Does your company or computer use VPN's or any sort of proxy? That might cause some issues that are out of our control. Most of the time we see that your peers will be able to help you out since this will be very specific to your company's security policies.

Not good at JavaScript? Not a programmer?

That's totally okay if you don't know JS very well as long as you know how to program in any other language you'll do fine in the workshop. However, JavaScript has changed a lot since 2015 and if you're not used to its modern syntax, you might struggle a bit with React and our material so please read this primer article that will get you ready. People often tell us the primer article was the thing that made the workshop successful for them.

This workshop assumes you know how to program. Sometimes we'll get attendees who have the goal of knowing high level details about React so they can better communicate with their React developer co-workers. In that case, you're certainly welcome to attend, but the material is designed for programmers.

We presume you know:

How to write HTML
How to do Command Line
What an API is (in general)
HTTP concepts like REST/GET/POST etc, and the general idea of AJAX requests

Setup For Mac and Linux Users (Unix Users)

If you have any problems with these steps, see the Troubleshooting section at the bottom of this page.

Need to install Git? - http://git-scm.com/downloads
Need to install Node? We recommend using NVM (Node Version Manager)

Note that NPM (Node Package Manager) is a command-line tool that will also be installed with Node

If you need to verify that you have NVM installed, do: nvm version. Then install Node. Which version of Node should I use? It probably won't matter much, but we try to use the Active Version.

# For Node 20 (for example)
$ nvm install 20

# See this page for more install options:
# https://github.com/nvm-sh/nvm#usage

Verify you have Git, Node, and npm installed. Installing Node will install NPM:

$ git --version
$ node --version
$ npm --version

Now jump to Clone and Install below

Setup For Windows Users

If you have any problems with these steps, see the Troubleshooting section at the bottom of this page.

Need to install Git? - http://git-scm.com/downloads
Need to install Node? We recommend using a version manager for Node. The NVM (Node Version Manager) tool that lots of devs use is only for Mac and Linux, so there's a special nvm-windows version. Microsoft also recommends this approach in this article. Be sure to follow all their steps:

https://docs.microsoft.com/en-us/windows/dev-environment/javascript/nodejs-on-windows

Microsoft: "There are multiple ways to install Node.js. We recommend using a version manager as versions change very quickly. You will likely need to switch between multiple versions based on the needs of different projects you're working on"

Note that NPM (Node Package Manager) is a command-line tool that will also be installed with Node.

If you need to verify that you have NVM installed, do: nvm version. Then install Node. Which version of Node should I install? It probably won't matter much, but we try to use the Active Version.

# For Node 20 (for example)
$ nvm install 20

# IMPORTANT: You'll be also prompt to `nvm use`
# the version number that you installed. You may
# need to run your shell as admin in order to do this.

Verify you have Git, Node, and npm installed. Installing Node will install NPM:

$ git --version
$ node --version
$ npm --version

Consider Using VSCode

Consider using VSCode -- a lightweight version of Visual Studio that isn't at all tied to .NET.

If you're a Java/C# developer, we know you have you're editors for those languages, but you can expect a less optimal experience with poor tooling when you write JavaScript in those tools.

Running the code

🚨 Windows users, your way of running the code might be different. See the section for Running the code on Windows after this section.

If you have any issues running the code, we have a general Troubleshooting section at the bottom of this page.

# If you're in the root path of the repo
$ npm start

Go to localhost:3000 in your browser. You have to do this manually.

If the application renders up in the browser, you're ready to go. 👍

Remember to learn the JavaScript syntax that matters the most to React before attending the workshop. Many of our attendees say this article was essential for their preparedness for the workshop.

See you soon.

Running the code on Windows

You can do the above Running the Code section after you read these common issues on Windows.

Some issues are not Windows-specific so they will be listed in the general Troubleshooting section at the bottom of this page.

Don't use spaces for your repo folder name (if you change it from the default react-workshop), we've had some issues with Windows users regarding this.
PowerShell Users: We've tested this repo out with PowerShell and it seems to work fine. If something doesn't seem to work, see the Troubleshooting section below.
🚨 GitBash Users: Doing npm start or npm start app seems to be broken if you open a normal GitBash terminal. However we noticed that if you're in VSCode and you open the terminal window from within VSCode Ctrl+` (it will probably be PowerShell by default). You can use the + plus sign on the right to make a new terminal that is GitBash and we've had success running the code from that GitBash window from within VSCode.
WSL (Windows Subsystem for Linux)

We think we fixed some of our recent issues with PowerShell and GitBash, but historically we've recommended WSL because it always seems to work well but it takes a bit of effort to setup:

WSL 2 Installation: https://docs.microsoft.com/en-us/windows/wsl/install-win10
Node on Windows: https://docs.microsoft.com/en-us/windows/nodejs/setup-on-wsl2

If you're not using WSL and you experience issues, they might be:

Your repo name has spaces in it, sometimes now allowed.
Permissions issues when attempting to clone the repo. If you are using WSL but usually use another shell, you may want to copy your SSH keys where WSL can access them. This article explains why this is necessary and how to do it.

Database

When you start our code, it will start the app at port 3000 and a small local database at port 3333. Don't worry about the database, it's not even a real database. It's a tool called json-server that treats a JSON file like a restful database and runs 100% within this repo so as soon as you quit the app and if you remove the repo, you've removed the database.

When you do npm install we run a postinstall script to copy a db-seed.json file to db.json. We're using Node for this in a way that is supposed to help with cross-platform filesystem stuff. But incase it fails, you'll just have to copy this file manually. The file is in apps/[project name]/database.

There are some rare times when you quit the app the background process for port 3333 remains open and this will prevent you from starting the app again until the port is closed. So we made npm run kill-db-port as a command for you in case this happens. All this does is quit the processes associated with port 3333. If you have any problems you can do this manually.

Updating Workshop Code

If you've already cloned the repo but you need to get updated code, then follow these steps:

First, cd into the root directory of the repo
Then do an ls command to ensure you see a package.json file listed. If you don't you're not in the root folder of the repo
Clear out any dirty files in your Git working tree (git stash is a safe way to do it, git reset ---hard is how to live dangerously)
Then run these steps to get the updates:

git pull origin main
npm install

Then you should be able to do your npm start again.

Troubleshooting

A few common problems:

You're having problems cloning the repository. Some corporate networks block port 22, which Git uses to communicate with GitHub over SSH. Instead of using SSH, clone the repo over HTTPS. Use the following command to tell Git to always use https instead of git:

$ git config --global url."https://".insteadOf git://

# This adds the following to your `~/.gitconfig`:
[url "https://"]
  insteadOf = git://

You're having trouble installing Node. We recommend using a node version manager. See the sections above for setting these up -- it's different from Mac/Linux vs Windows.

You can't start the app with npm start or npm start app. Make sure you can see a node_modules folder at the root. If you can't you need to run npm install from the root of the repo. If you're on Windows, see the sections above for running the code as a Windows user.

If you're missing the db.json file the app also won't run. See the Database section above for more details.

You were able to run the code once but not again and you're getting something like JSON-SERVER was not able to start. Port 3333 might still be open from a previous run.

Sometimes the background process for the database doesn't shut down property. It's rare but you can do:

$ npm run kill-db-port

If this script doesn't work for any reason, just kill port 3333 on your machine which is the database's port.

You don't have permissions to install stuff. You might see an error like EACCES during the npm install step. If that's the case, it probably means that at some point you did an sudo npm install and installed some stuff with root permissions. To fix this, you need to forcefully remove all files that npm caches on your machine and re-install without sudo.

$ sudo rm -rf node_modules

# If you installed Node with nvm (suggested):
$ sudo rm -rf ~/.npm

# If you installed Node with Homebrew:
$ sudo rm -rf /usr/local/lib/node_modules

# Then (look ma, no sudo!):
$ npm install

Improvements?

If these instructions can be improved, please let us know or make a PR!

License

This material is available for private, non-commercial use under the GPL version 3. If you would like to use this material to conduct your own workshop, please contact us at hello@reacttraining.com.

CallmonCB/react-workshop

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