HTTP vs. Server-side Cache in Remix by sergiodxa

When you build a web application, you may reach a point where some performance problems could be solved by a...

Test Remix loaders and actions by sergiodxa

If you are using Remix, most of your application code will live in the loaders and actions instead of React compo...

E2E test Remix with Vitest and Puppeteer by sergiodxa

Vitest is a testing framework, similar to Jest, but way faster, built on top of Vite, which uses esbuil...

Use Remix with socket.io by sergiodxa

If you want to add real-time capabilities to your Remix app without using an external service, the easiest way is proba...

The useMatches hook in Remix by sergiodxa

If you use Remix, there's a hook that you can use called useMatches, this hook is a way to access some internal d...

Loader vs Route Cache Headers in Remix by sergiodxa

Document Request So, let's say you have a route at /my-super-route, and there you have a loader fun...

Add rolling sessions to Remix by sergiodxa

Rolling sessions is a technique to extend the maxAge of a session cookie by resetting the cookie's expiration date...

Progressively enhance the useFetcher hook in Remix by sergiodxa

If you're using multiple forms on the same route, you may use the useFetcher hook, which also...

How to Upload Images in a Remix Application by sergiodxa

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How to Redirect with Search Param in Remix by sergiodxa

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Validating Remix forms with Constraints API by sergiodxa

The Constraints API is a browser API that has been available since the times of IE10, yep, that old....

Avoid waterfalls of queries in Remix loaders by sergiodxa

Remix does a fantastic job of avoiding waterfalls everywhere. It preloads assets. It downloads JS a...

Use Server-Sent Events with Remix by sergiodxa

Using Server-Sent Events (SSE) you can keep a connection between a browser (client) and an HTTP server open an...

Dependency injection in Remix loaders and actions by sergiodxa

Dependency Injection is a way our function or class can receieve from the caller the instancie...

Using Service Workers with Remix by sergiodxa

A Remix app is by default fast, the framework optimize a lot how the required resources for a page are loaded s...

Generate a PDF in Remix with Resource Routes by sergiodxa

Remix has a feature called Resource Routes which let you create endpoints returning anything. Usin...

Parse Markdown with Markdoc in Remix by sergiodxa

Markdoc is this new Markdown parser by Stripe, and it's a simple to use yet extendable library we can use i...

How to Create a reusable Form component in Remix by sergiodxa

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Adding CSRF protection to Remix by sergiodxa

While you may not need CSRF if your cookies have the SameSite: Lax configured, it may still be a good idea to ...

Localizing Remix apps with i18next by sergiodxa

There's a lot if libraries to implement i18n in JS and React, and i18next is one of the most popular out ther...

Bubble up data on Remix routes by sergiodxa

React introduced a one-way data flow where a parent component has some data (state) and passes it to the children...

Use NProgress in a Remix app by sergiodxa

Remix's philosophy is to kill all the spinner! This is amazing, but sometimes it's not possible. Connections may be...

Persist inputs after a form submit in Remix by sergiodxa

Let's say you have a form with a few inputs. You want to persist the inputs' values after submitting...

Use ETags in Remix by sergiodxa

ETags are strings used to identify a particular version of a resource. If the URL is the identity of a resource the ETag is t...

Multiple forms per route in Remix by sergiodxa

Suppose you have a complex enough Remix application. In that case, you may have reached the point where a sing...

Route protection in Remix with Policies by sergiodxa

A Policy is a design pattern used to define authorization rules that can be re-used easily across an app...

Run Next and Remix on the same server by sergiodxa

If you want to migrate a Next app to Remix, you may be tempted to do a complete migration. Still, if your ...

Throwing vs. Returning responses in Remix by sergiodxa

When you code a loader/action (we'll call them data functions from now) in Remix, you can either retur...

How to Use a CDN for your static assets in Remix by sergiodxa

How to Persist the user locale using cookies with Remix & i18next by sergiodxa

Add additional data before submitting on Remix by sergiodxa

The Remix approach to submitting forms is to replace the <form> tag with their <Form> compone...

Use `process.env` client-side with Remix by sergiodxa

Use process.env client-side with Remix The process.env thing is a Node.js-only feature that many front-end developers adopted as something t...

How to Get the absolute URL in Remix's MetaFunction by sergiodxa

How to Use React Portal in Remix by sergiodxa

How to Call an action from a loader in Remix by sergiodxa

How to Defer a Fetch response in Remix by sergiodxa

Server-Side authentication with Auth0 in Remix by sergiodxa

While this works, I recommend you to don't do all of this yourself, instead use Remix Auth with...

Use Remix as a SPA only by sergiodxa

Remix always does SSR on document requests. Then it works as an MPA until JS loads and React hydrates your app. At that ...

Redirect to the original URL inside a Remix action by sergiodxa

Let's say the user is currently at the URL /:username, and there's a button to follow that ...

How to Use TANStack Query to share data between Remix loaders by sergiodxa

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Lazy-load React components in Remix by sergiodxa

Suppose we want to create a timeline component that lists different events. Each event type has a unique com...

Fix double data request when prefetching in Remix by sergiodxa

Suppose you rendered a <Link prefetch="intent" /> component in your UI with the idea of pref...

How to Expose Remix Routes as API Endpoints by sergiodxa

If you're building a Remix web app, and then you decide to expose an API from that app, you may be tempted to try to reuse the same routes …

Automatic Revalidation in Remix by sergiodxa

If you have used SWR or React Query, you may be used to a feature both libraries have called automatic revalidat...

Optional route segments with Remix by sergiodxa

Let's say we have a URL structure like this: /:category/products /products Both routes need to work...

How to Build a simple login and logout with Remix by sergiodxa

Jest Matchers for Remix responses by sergiodxa

When testing the logic of an action in Remix, or any function returning a Response, even a Fetch API Response,...

Share session and cookies between Next and Remix by sergiodxa

I have been migrating a Next.js app to Remix for a few months. I already wrote how to run them ...

How to Validate Form in Remix with clientAction by sergiodxa