Healthcare, Selling Lemons, and the Price of Developer Experience

This is where the story begins. Eric goes to a health service provider website to book an appointment and gets… a blank screen.

If you are familiar with how the web is built, what happened is pretty obvious: A website that over-relies on JavaScript to power its experience had its logic collide with one or more other errant pieces of logic that it summons. This created a deadlock.

If you do not make digital experiences for a living, what happened is not obvious at all. All you see is a tiny fake loading spinner that never stops.

D’oh. This might be mere nuisance — or even laughable — in some situations, but not when someone’s health is on the line:

I realize that pointing the finger at JavaScript frameworks is already divisive. But this goes beyond whether you use React or framework d’jour. It’s about business priorities and developer experience conflicting with user experiences.

Partisans for slow, complex frameworks have successfully marketed lemons as the hot new thing, despite the pervasive failures in their wake, crowding out higher-quality options in the process.

There’s the rub. Alex ain’t mincing words, but notice that the onus is on the way frameworks haved been marketed to developers than developers themselves. The sales pitch?

Once the lemon sellers embed the data-light idea that improved “Developer Experience” (“DX”) leads to better user outcomes, improving “DX” became and end unto itself, and many who knew better felt forced to play along. The long lead times in falsifying trickle-down UX was a feature, not a bug; they don’t need you to succeed, only to keep buying.

And let’s acknowledge that not everyone has a say in the matter. Many of us work on managed teams that are prescribed the tools we use. Alex says as much, which I think is important to call out because it’s clear this isn’t meant to be personal. It’s a statement on our priorities and making sure they along to user expectations.

Let’s alow Chris to steer us back to the story…

Just blocking a file shouldn’t totally wreck a website, but it often does! In JavaScript, that may be because the developers have written first-party JavaScript (which I’ll generally allow) that depends on third-party JavaScript (which I’ll generally block).

[…]

If I block resources from tracking-website.com, now my first-party JavaScript is going to throw an error. JavaScript isn’t chill. If an error is thrown, it doesn’t execute more JavaScript further down in the file. If further down in that file is transitionToOnboarding();— that ain’t gonna work.

Maybe it’s worth revisiting your workflow and tweaking it to account to identify more points of failure.

So here’s an idea: Run your end-to-end tests in browsers that have popular content blockers with default configs installed. 

Doing so may uncover problems like this that stop your customers, and indeed people in need, from being stopped in their tracks.

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