How to build a complete, real-world application from scratch with Ruby on Rails step by step.
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Webpacker provides some nice tools for loading Javascript in several different ways. We're looking at require.context to see how to load an entire directory's set of files easily.
Sometimes you might want to keep track of all classes a module was included in. We can do that with a couple nifty tricks to make this work with both regular Ruby modules and Rails concerns.
Stimulus Reflex is one of the coolest new libraries out there. It can update the browser in realtime and allow you to build reactive applications without any Javascript. It's awesome.
Drag and drop sortable lists in Rails aren't too hard using Sortablejs and Stimulus to make wire them up to our backend with acts_as_list
Adding Infinite Scroll to your Rails app is easy with Stimulus.js, Turbolinks, and Pagy
Scroll events in Javascript can happen quickly. We want to make sure we don't request the same page multiple times which we can solve easily by introducing a little throttling.
An updated version of our Group Chat series using Webpacker, ActionCable, Stimulus.js, and modern Javascript to build a very clean version of realtime group chat in Rails
Learn how to use Cable Ready to perform realtime browser updates using actions generated in Rails controllers, models, and background jobs. Cable Ready is the magic behind Stimulus Reflex.
Using the Intersection Observer API, we can refactor our infinite scroll example to be much more efficient and simpler to use
Using Vonage (previously known as OpenTok), we can add multiuser live video chat to Rails in just 20 minutes. It also supports broadcasting things like webinars, recording videos, and more.
Add code coverage to your app using SimpleCov and RailsBytes. We'll walk through installing simplecov and creating a RailsByte to automate it for us going forward.
Keeping track of a user's last read timestamp for each chat room is straightforward, especially when we use Stimulus.js to update it from the client side.
Webpack bundles can be confusing as to what actually ships in production. Using the bundle analyzer plugin, we can visualize and see exactly what libraries and files are taking up what space.
Contribute to Rails by discovering something you could improve and learning how to add features to Rails
One fantastic way to improve Rails performance is by using Etags to help the browser keep track if a page has changed or not. This can help Rails skip rendering views entirely and save lots of time.
It's important to see that there are unread messages in channels you're not actively viewing. We can use a very simple event in ActionCable to do this and bold channel names with unread messages.
User mentions in group chat is a crucial feature, so this week we're taking a look at how to add @ mentions for our users in chat with regex and more.
Translating and localizing your app is important to make it accessible to users around the world. Rails provides internationalization (I18n) tools to make this easier and it's got a lot of cool tricks available.
Noticed is my new gem for adding notifications to Rails apps. Notifications are really complicated to build and we've done the heavy lifting for you.
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