TENJAVASCRIPT #229

What new in ES2021 (aka ES12)?

🆕 ES2021 includes pretty inteesting updates to the language such as String.prototype.replaceAll, private methods (with ugly # syntax), ||= and &&= operators (they act as you expect), Promise.any (resolves when at least one of the passed promises gets resolved), and more.

#Language

Why we need to abstract dependencies, a real world example with react router

✊ Abstracting away dependencies is a pretty under-used way to minimize coupling with a 3rd party library (by minimizing places in your code where it's used). This article is a great example of such technique.

#Design

Redux Fundamentals, Part 1: Redux Overview

📙 Mark Erikson (that's the guy who maintains Redux after Dan Abramov) introduced a new, completely updated Redux tutorial. Take a look and refresh your knowledge.

#React #Redux

Implementing NodeJS HTTP Graceful Shutdown

🔥 Shutdown gracefully means being able to deploy new code without causing old process to throw errors. That's pretty common behaviour with Node. Here's a long and detailed article on how this can be implemented with your typical Node.js server app.

#Node

JavaScript's Memory Management Explained

🔩 An "under the hood" article exploring and explaining how JavaScript memory works: stack, heap, garbage collector, and memory leaks.

#Performance

Content Security Policy - protect your website from XSS attacks

🔒 Content Security Policy (or simply CSP) is a security mechanism implemented by browsers and servers that allows you to control which resources (scripts, stylesheets, images, etc.) are allowed to be loaded from where. One of the main purposes is, you gussed it, mitigating XSS attacks. In this article, you learn how to implement your own policies.

#Security

Making Sense of the JS Framework Benchmark

⭐ A nice overview of different frameworks comparisons out there, and explanation of how we should read them.

#Frameworks

I built a site to instant-search 32 Million Songs in milliseconds

👏 I don't usually include "I made this" posts but this one is really is really impressive. Millions of songs that can be searched almost instantly (40ms delay). The tech behind it, a service called Typesense (similar to Algolia, but open-source), is definitely worth exploring!

#LearnFromCode

Top problems I got switching to Vue 3

😱 Vue 3 is here, and as many of us switch to the new version, we also face some challenges. The switch is still rather smooth. Here's Evan You talking through his thinking and decisions on Vue 3.

#Vue.js

Setting Up Vim For TypeScript in 2020

😍 And finally, I want to share my own article which was revised and updated recently. It's a quick tutorial on setting up Vim for TypeScript (and JSX/TSX). That's the setup I'm using at the moment, and it's working fantastically great!

#TypeScript #Vim

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