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javascript

A collection of 12 posts

NPM Audit: vulnerabilidades bajo la lupa

NPM Audit: vulnerabilidades bajo la lupa

Analicemos un ejemplo simple de npm audit para ver qué hacer cuando tenemos vulnerabilidades en nuestro proyecto. ¿entrar en pánico? ¡no siempre!

Cómo (y porqué) usar la limpieza de useEffect en React: Intervalos

Cómo (y porqué) usar la limpieza de useEffect en React: Intervalos

Usar setInterval con useEffect puede ser confuso, puede suceder que se pisen los intervalos, o que se usen variables con referencias que ya no existen. Podemos evitar esto usando correctamente la función de limpieza de useEffect.

How (and why) to use useEffect's cleanup - Intervals

How (and why) to use useEffect's cleanup - Intervals

Using setInterval with useEffect can be confusing. Often they will overlap, or use stale data. We can prevent this by properly clearing the intervals inside useEffect's cleanup function.

Refactoring step by step: extract validation logic from a method

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Refactoring step by step: extract validation logic from a method

How to keep your code with validations clean? here’s a step-by-step example that improves an existing piece of code only using automatic refactorings!

Using Acorn to implement a refactoring in Javascript (Part 1: hacking it)

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Using Acorn to implement a refactoring in Javascript (Part 1: hacking it)

I often ask myself: if we don't have a refactoring in this language, how much would it take to implement it? I'm presenting here an experience writing a simple source code transformation for Javascript.

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Croquet

Croquet.io es una tecnología de sincronización de eventos, ideada para crear software colaborativo y en tiempo real. Actualmente el proyecto se enfoca en una librería de javascript (que se lanzó en septiembre de 2021). Pero previamente hubo versiones en Smalltalk.

El costo de usar Redux

El costo de usar Redux

¿Cuál es el costo de usar Redux? Lo importante es comparar las ventajas y desventajas de usar una tecnología en un contexto dado.

Writing Object-Oriented Typescript Code for AWS Lambda

Writing Object-Oriented Typescript Code for AWS Lambda

It’s been a couple months since I entered the world of AWS Lambda. I condensed my little experience in this tutorial post for all of you not familiar with it.

Virtual DOM: ReactJS implementation

Virtual DOM: ReactJS implementation

How does the Virtual DOM work? And what is actually the DOM? If you ever have wondered about those questions, this post is for you.

The way of the prototype

The way of the prototype

I almost started this post with a cheesy phrase such as "Could you imagine a world without classes?" then, I realized it wouldn’t be so hard to do so since a great part of the programming community is focused on writing a lot of JavaScript. I know sometimes it’

Frontend frameworks: Criteria & tips to become proficient with new tools

Frontend frameworks: Criteria & tips to become proficient with new tools

The goal of this post isn't to analyze which framework is better, but to provide a set of tools and a couple of tips to ease the learning of a new framework In the early days of software development applications were made, from start to finish, monolithically. Since computers were

Creating SVG animations with Snap.svg

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Creating SVG animations with Snap.svg

Animations can go a long way in making your application feel more attactive, friendly and immersive. Using SVG as the foundation of them, you'll get resolution independent, responsive animations, that might otherwise be difficult to build. Let's see how we can create one...