As we continue in building out the HOTWire Hacker News Progressive Web App, it’s time to look at loading the comments. This is an interesting data problem, because each item has comments, and each comment has comments, and you can go recursively until you run out. The original HNWPA pushed all the comment loading into Continue reading “Lazy Loading Lots of Comments HOTWire Tutorial #5”
What if we can increase page load the speed by not duplicating work in the server rendering process?
If you look at the number of TopItems coming back from the API, you’ll see it’s much more than 30. How do you display all these items? Pagination! ActiveRecord has an offset method that tells the database where to start in the records it returns. If you don’t specify an offset, the database starts counting Continue reading “Paginating Top Items – HOTWire HNPWA #3”
Turbo Streaming is going to work best with ActiveRecord Models. The Hacker News model uses Item models, which can be stories, comments, jobs, polls, or poll options. In the first implementation, the Item was modeled to be as generic as the API dispensed. This time, stories and jobs will continue to be modeled as Item Continue reading “Turbo Streaming Top Items – HOTWire HNPWA #2”
Follow along as we build the HOTWire Hacker News Progressive Webapp, or HHNPWA. This will build on the lessons from the Hacker News Progressive Web App, and will leverage all the enhancements that come from Turbo. In the end, you can compare the two, and decide for yourself what works.
ActiveStorage is a great addition to Rails. However, if need to protect uploads through a means more secure than the security by obscurity provided by the redirect service, you need to write your own controller. Setup a demo If you don’t have an existing app using Rails 6.1, you can follow these steps. Otherwise skip Continue reading “Protecting ActiveStorage Uploads”
A new version of Stimulus is out. Here are some things to consider if you decide to update to 2.0. It adds a Values api, CSS classes, and a change to the target attribute syntax. Upgrading Stimulus First, update Stimulus with Yarn. This will update the library itself, and all the dependencies. Look for data-target Continue reading “Updating to Stimulus.js 2.0”
How do you configure a more complicated Stimulus controller that manages dragging items around in a list? Let’s start with our simple ordered Todo table in html: The todo order comes from a priority associated with each item, so that we’ll be able to keep track of which item needs to be moved. We also Continue reading “Updated Tutorial: How Do I Drag and Drop Items in a List?”