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Please just try HTMX

pleasejusttryhtmx.com

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Re: Please just try HTMX

#82
post #60

I did. My startup did. And now we’re going to rip it all out and move to a React front-end. HTMX makes response handling much more complex. Every endpoint returns 3–5 different HTML fragments. Frontend and backend must agree on every scenario — success, validation errors, system errors, partial updates, full reloads. And HTMX is still a fairly obscure library. The documentation and examples are lacking, there isn’t a…

> Frontend and backend must agree on every scenario When is this not the case?

When an API returns JSON, your JS framework can decide what to do with it. If its returning HTML that's intended to go in a particular place on a page, the front-end has far less flexibility and pretty much has to put it in a specific place. Hence why they said endpoints can return 3-5 different versions of HTML.

Re: Please just try HTMX

#83
> When you click it, HTMX POSTs to /clicked, and whatever HTML the server returns replaces the button. No fetch(). No setState(). No npm install. No fucking webpack config.

Can someone explain something to me?

To my view, the single best idea React has is that it forces you to encapsulate the full set of states in your component - not anywhere else. For instance, if you have a "Comment" button that becomes "Submitted" after you click it, you must include that state inside the comment component. You can't hide it somewhere else (i.e., in the input field after you press cmd-enter). This is a huge thing for managing complexity - if you spread state updates to a number of different places, it becomes significantly harder to reason about how the button works.

Replacing the button with whatever the server responds with may sound simple, but it really makes it hard to answer the question of "what are all the states this button could be in". I mean, what if the server returns another button... which hits another API... etc?

The weird thing is that HTMX talks about Locality of Behavior (yay!), but doesn't seem to practice it at all?

BTW, one other thing:

> The ecosystem is why your node_modules folder is 2GB. The ecosystem is why there are 14 ways to style a component and they all have tradeoffs. The ecosystem is why "which state management library" is somehow still a debate.

> HTMX's ecosystem is: your server-side language of choice. That's it. That's the ecosystem.

Really? Python is my ecosystem. You know that people add stuff to their node_modules because they need it, right? It's not like we do it for fun. Where am I going to find a date-time picker in Python? Am I going to build it from scratch? Where is an autocomplete component in Python? Or mentions?

Re: Please just try HTMX

#84
> Any HTML element can make an HTTP request

> The server just returns HTML (not JSON, actual HTML)

I like to separate presentation HTML from the data (returned from HTTP request). Some like to make backends that do nothing but serve the (singular) frontend, even running templates to make the HTML they return for easy consumption. That's not where I draw the line.

Re: Please just try HTMX

#85
post #15

I am tired of people using the smallest "Hello World" example to demonstrate how something is better than React -- "See, you don't need all these things to get a website up and running!" Of course it will work. I can vibe code the most terrible web framework you have seen within 20 minutes and claim it is better than React, but what does it prove? > You write zero JavaScript > The whole library is ~14kb gzipped Oh su…

To put a bit more colour on this, I think the fear of most devs with an ultra-simple framework like this is that eventually you hit a wall where you need it to do something it doesn't natively do, and because the only thing you know is these magical declarative hx-whatever attributes, there's no way forward. I appreciate the basic demos, but I think what would really sell me is showing the extensibility story. Show m…

What I don’t get is why I’d use it if I can’t write a reasonable complex SPA with it.

React is easy for small websites so why would I use a separate framework when I can use one framework for everything?

Re: Please just try HTMX

#86
Ultimately the complexity does have to live somewhere.

The idea that HTMX removes all the complexity is false. However it does remove some of it, and moves the rest onto the backend.

I find the backend easier to work with, so that's a win for me.

And a batteries included framework (like Laravel or Django) makes HTMX even more appealing. They already have everything you need! :)

Re: Please just try HTMX

#88
post #80
post #60

I did. My startup did. And now we’re going to rip it all out and move to a React front-end. HTMX makes response handling much more complex. Every endpoint returns 3–5 different HTML fragments. Frontend and backend must agree on every scenario — success, validation errors, system errors, partial updates, full reloads. And HTMX is still a fairly obscure library. The documentation and examples are lacking, there isn’t a…

It's terrible, why would I want my endpoints to return random HTML fragments? I realize thats how you did it in the JQuery times, but I was never in those - at that time we simply had template engines in the backend so this HTML slop wouldn't contaminate everywhere.. Most of the frontend stuff I do is for internal pages on embedded devices, and I'm very happy with a structure where I have the frontend being a full Re…

> It's terrible, why would I want my endpoints to return random HTML fragments?

What would you return instead? It's easy to generate HTML, because that's what your server is already generating (and that's about all it should generate).

Re: Please just try HTMX

#89
post #60

I did. My startup did. And now we’re going to rip it all out and move to a React front-end. HTMX makes response handling much more complex. Every endpoint returns 3–5 different HTML fragments. Frontend and backend must agree on every scenario — success, validation errors, system errors, partial updates, full reloads. And HTMX is still a fairly obscure library. The documentation and examples are lacking, there isn’t a…

> Every endpoint returns 3–5 different HTML fragments. Frontend and backend must agree on every scenario — success, validation errors, system errors, partial updates, full reloads.

And why would that differ from React?

When I was building a website with React, I needed to model a "apply coupon" endpoint with different states (coupon applied, coupon does not exist, coupon exists but has reached its max usage limit) and it was so annoying because you needed to

1. The backend route that returns JSON with a different model depending on the coupon state

2. The JSON models for each response type

3. And then on the frontend you need to load the data, parse the JSON, figure out which "response state" it is (http status code? having a "type" field on the JSON?) convert the JSON to HTML and then display it to the user

In my experience it added a lot of extra "mental overhead". It is something that should be extremely simple that ends up being unnecessarily complex, especially when you need to do that for any new feature you want to add.

When using htmx, a simple implementation of that would be

1. A backend route that returns HTML depending on the coupon state

2. Some htmx attributes (hx-post, hx-swap) on the frontend to make the magic happen

Don't get me wrong, there are places that you wouldn't want to use htmx (heavily interactive components) but that's why htmx recommends the "islands of interactivity" pattern. This way you can make the boring things that would add unnecessary complexity when using React with htmx, and then you can spend the unused "mental overhead" with the interactive components. (which, IMO, makes it a more enjoyable experience)

At the end of the day it is just choices: Some people may prefer the React approach, some people may prefer the htmx approach. All of them have their own upsides and downsides and there isn't a real answer to which is better.

But for my use case, htmx (truth to be told: I use my own custom library that's heavily inspired by htmx on my website, but everything that I did could be done with htmx + some htmx extensions) worked wonderfully for me, and I don't plan on "ripping it all out" anytime soon.

Re: Please just try HTMX

#90
I keep seeing articles religiously pushing htmx, what I'm not seeing are sophisticated examples or apps written with it, just more basic example and interaction examples.

I personally prefer UIs with great encapsulation/composition, which used to be Vue, but with AI starting to write more of my UIs now I've switched to React/Next.js for new non-progressive UIs.

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