LogoJuan Manuel Allo Ron

Js posts

Js posts by Juan Manuel Allo Ron
Astro's official themes showcase site

Astro Themes and Templates to Power Your Next Build

Apr 3, 2024
Looking for themes and templates to style your Astro site? There are lots of great places to start. Save hours of aimless searching with my handpicked collection
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What's all the hype about React Server Components?

Jan 7, 2021
A couple of weeks ago the React team announced React Server Components. In this article today I will explain what it is, why they came up with this strategy and how to get prepared for it.
A pattern formed with the null word

Tip: Watch out for null in default params

Jun 4, 2020
Defaults in function parameters is a feature that simplified my code a lot. But there is one caveat that we need to be aware of! Let’s start with an example:
Image Slideshow example

Lazy loading images with Intersection Observer

May 26, 2020
Images play a huge role in loading performance. Websites loading tons of images upfront can be paying a high price in terms of user experience…

Weekly Digest #10: On Remix, Snowpack, Rome and Web-vitals

May 24, 2020
The never ending flow of innovation is what I love about the web. There are so many great ideas! In the past few months a lot of innovation happened and in this weekly digest I want to share the most important ones.

Weekly Digest #9: Everything you need to know about Deno

May 17, 2020
Deno is a new ECMAScript based runtime (like NodeJS) created by Ryan Dahl (who also created NodeJS)

Tip: list NPM scripts

May 14, 2020
In this quick-tip I will show you how to list scripts from the terminal

Weekly Digest #8: On building games

May 10, 2020
Today, I want to share a list of resources I have been bookmarking to help me develop games.
A book cover with JS books as the title

Weekly Digest #7: On Javascript books

May 3, 2020
Whether you are learning JS from scratch or have been working with it for a while now, I believe you will find great value on the following list of books.
Two employees testing a web app

Thoughts on Snapshot Testing

Apr 14, 2020
Since I moved to react at work I have been using and trying different testing strategies and I wanted to share some thoughts and best practices around snapshot testing.
Coverage output example

Visual Studio Code Extensions: Adding code coverage in 3 easy steps

Apr 7, 2020
In this quick tutorial I will show how you can add test coverage to your vscode plugin repository.

Weekly Digest #2: Latest web open source releases

Mar 29, 2020
Latest releases on the web. Storybook 5.3 , ts 3.8 and 3.9 beta, nextjs 9.3, babeljs 7.9 (in prep for 8.0), prettier 2.0, git 2.26 and react-router v6 alpha.
A dependency graph example for a JS project

Dependency Graph for Javascript Projects

Mar 24, 2020
I was reading this Javascript development setup post by Eric Elliot, when I stumbled upon a super cool NPM package to generate dependency graphs. The name is dependency-cruiser.

Weekly Digest #1

Mar 22, 2020
Best practices on JavaScript modularity: when to use named exports, how to group code and what to avoid. Check JavaScript Module Best Practices.

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