submitted by nemeski to rails
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https://rubyonrails.org/2026/5/8/this-week-in-rails

Pundit's helper module makes it easy to do authorization checks in our Phlex views.

Ever wished your ViewComponent slots could have dynamic defaults? In this post, I show how I built an Alert component that automatically picks the right icon for its type, but can easily swap in a spinner or any custom icon with a single line of code.

Filtering complex associations in Rails can get tricky: built-in methods like where.associated don’t always provide efficient results. Here’s how I used a SQL subquery inside Rails scopes to make a slow page fast again.

Need a button that enables or disables itself in response to events? I explain how to build a reusable DisableableButton in Rails using ViewComponent (or Phlex) plus a tiny Stimulus controller—perfect for forms where you only want to allow submission once inputs are valid.

DeepLinking lets your LTI tool send content back to the LMS—like inserting rich HTML into Canvas’s editor. This guide walks through persisting launch data, building a response form, rendering Rails views into JWTs, and even making the whole flow dynamic with Turbo.

Learn how to set up your Rails application as an LTI Tool Provider, to handle LTI 1.3 launches from an LMS, including the OCID workflow, user authentication and what to do with the information you get from the LMS.

From DDD-inspired architecture to patterns like query objects and service layers, Dementyev’s book explores how Rails apps can evolve stronger abstractions over time. Ideal for developers who want to move beyond basics and design with clarity and intent.

A look at the cognitive science behind the Hierarchy of Competence, and how dabbling with new frameworks and tools can make you a better developer.

I was recently working on adding some Twitch embedding support to dev.to! Part of this was adding we