Jahed Ahmed

Weekly Report: 14th October 2019

FrontierNav Windows

FrontierNav now supports windows. Not Windows, that's already supported. That is, you can now open up links in pop-out windows to keep them persistent between page navigations. This avoids needing to constantly click and around and go back and forth between pages.

I'm still working out the user experience on smaller screens, but it's not a priority given mobile apps tend to be geared towards a single window experience.

The worst part about this feature is getting the naming right. "Window" is such a generic term and it's used everywhere. I just settled with "AppWindow", though that doesn't help when naming variables. Calling everything appWindow so that it doesn't clash with the window global seems a bit too verbose.

Windows in FrontierNav

Writing my own Router

I finally decided to replace the deprecated redux-little-router dependency I had. I knew it was a relatively simple replacement so I kept putting it off. I even forked it to fix a few issues as it started to go through bit rot. When I did sit down to replace it, I realised a few things.

The idea behind a router for web apps does not need to be tied to the limitations of a URL. A router is really just state and the URL is a representation of that state. So I separated those two out.

Instead of having the URL be updated as part of the router's state, the URL update is just another observer to that state. This allowed me to easily decouple the web-specific details, that is using the History API to persist the route, from the state itself which the rest of the app can use.

Since I have a few years worth of existing code using the URL to decide what to show, this decoupling is still a work in progress. I still have a lot of hardcoded strings linking different pages and routes of the app.

Freedom from Dependencies

Writing my own router is what pushed me to finally implement multiple windows. I'm now able to have multiple routers in the state for each window which greatly simplifies the logic around creating and navigating windows.

Currently, only one router is persisted in the URL, but nothing's really stopping me from persisting all of them. User experience wise, there's still clearly a "main" window, while the others are more ephemeral, so persisting them in the URL doesn't make much sense. Persisting them in local or remote storage might be more useful.

Anyways, if there's one thing I learnt from this, it's to not let your dependencies, libaries and frameworks narrow your thinking. If it prevents you from doing something, it's time to let go of it. You'll save a lot more time than working around it, which will only couple you to it even more.

Typesafe Routing

I implemented an API for type-safe routing to go with my router. The main goal was to remove the hard coded strings used to link pages.

// Route

// Path using a hardcoded string

// Path using a Type-safe API and strings for IDs

// Path using a Type-safe API and typed objects with IDs

This has a number of advantages:

I haven't rolled this out yet as I'm still not 100% on how I want to structure the new router state.

Once all of this is complete, I'll have a new open source library to release.

FrontierNav Data Tables

The spreadsheet-like data tables are gradually becoming more and more feature rich. The tables now support sorting by column, importing pre-formatted CSVs, moving entities and various other quality of life improvements. No doubt it will keep getting better as I import more game data.

Hiding Behind Cloudflare

Most of my public infrastructure is now behind Cloudflare. This should reduce the amount of maintenance I need to do in regards to legacy domains (like jahed.io) and security.

I've disabled HTTP access to my servers entirely and HTTP connections as well as legacy domains redirect using Cloudflare's Page Rules. No server needed.

While this does tie me more to Cloudflare, I am already reliant on it for reducing bandwidth costs so from an end user perspective, nothing's really changed. Moving traffic back to my server is a matter of removing SSL Client verification and adding the redirects.

Other Stuff

Thanks for reading.

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