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Learn how to add a related posts feature to a blog built with JavaScript framework Astro using Astra DB and OpenAI vector embeddings.
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www.sonarsource.com __dirname is back in Node.js with ES modules
Node.js is reducing friction when using ES modules by making it easier to get the current module directory name
cross-posted from: https://programming.dev/post/11927506
Many times when I’ve tried to write some code in Node.js using ES modules I’ve found myself reaching for __dirname and then looking up how to replace it. Now Node.js, Deno and Bun support import.meta.dirname. Check out the article for more detail.
www.sonarsource.com __dirname is back in Node.js with ES modules
Node.js is reducing friction when using ES modules by making it easier to get the current module directory name
Many times when I’ve tried to write some code in Node.js using ES modules I’ve found myself reaching for __dirname and then looking up how to replace it. Now Node.js, Deno and Bun support import.meta.dirname. Check out the article for more detail.
dkundel.com Creating your own image generation model using JavaScript
Learn how you can create a custom text-to-image generation model using JavaScript, SDXL and Replicate without needing a machine learning background or needing specialized hardware.
www.sonarsource.com Union, intersection, difference, and more are coming to JavaScript Sets
The JavaScript Set was introduced to the language in the ES2015 spec, but it has always seemed incomplete. That's about to change with the addition of functions like intersection, union and difference.
www.sonarsource.com Lessons learned upgrading to React 18 in SonarQube
We share the biggest three issues we faced and the lessons we learned as we upgraded SonarQube to React 18.
www.sonarsource.com Stop nesting ternaries in JavaScript
Nesting ternary operators makes code more complex and less clear. Let's investigate other ways to write conditional expressions.
JavaScript's regex engine isn't the only one to have these problems. There certainly are other implementations, like Re2 and Rust's implementation, that don't have this issue. But they also lack some of the features of the JS implementation too.
While this article is about JavaScript specifically, these issues certainly exist in other regex engines too.
www.sonarsource.com A comprehensive guide to the dangers of Regular Expressions in JavaScript
A deep investigation into regular expression denial of service (ReDoS) vulnerabilities in JavaScript
Ah, I didn’t realise there was a regex channel here. Thanks!
www.sonarsource.com A comprehensive guide to the dangers of Regular Expressions in JavaScript
A deep investigation into regular expression denial of service (ReDoS) vulnerabilities in JavaScript
The only real way to validate an email address is send it an email and see if it arrives! I'm sure many of us have fallen to the urge to validate an email with a regex though, and yes, it's just too dangerous! I definitely like the simplicity of checking for an @.
I think regular expressions are actually very tempting to use because they seem hard. I feel like I go through this XKCD comic every time the opportunity to use a regex comes up. But string functions often have the answer. I hope, if this article achieves anything, it just stops people using regex to trim whitespace!
www.sonarsource.com A comprehensive guide to the dangers of Regular Expressions in JavaScript
A deep investigation into regular expression denial of service (ReDoS) vulnerabilities in JavaScript
marvinh.dev Speeding up the JavaScript ecosystem - Polyfills gone rogue
Many popular npm packages depend on 6-8x more packages than they need to. Most of these are unnecessary polyfills and it's one of the key reasons node_modules folders are so large. The eslint ecosystem seems to be most affected by this.
One Thing Nobody Explained To You About TypeScript
redd.one redd.one - redd Resources and Information.
redd.one is your first and best source for all of the information you’re looking for. From general topics to more of what you would expect to find here, redd.one has it all. We hope you find what you are searching for!
Click bait title, but this post goes into depth about using tsconfig.json correctly and across different layers of your project.
www.sonarsource.com Typing your JavaScript without writing TypeScript
TypeScript already understands JavaScript, but you can get more out of it when you add types to your JavaScript with JSDoc or TypeScript declaration files
This is a follow up to my previous article on how to get more TypeScript benefits in your JavaScript. This goes into how to add types using JSDoc or TypeScript declaration files.
philna.sh JavaScript is getting array grouping methods
Grouping items in an array is one of those things you've probably done a load of times. Each time you would have written a grouping function by hand or...
www.sonarsource.com Get the benefits of TypeScript in your JavaScript
Let's dive into what you can do to get more and more of TypeScript's benefits in your JavaScript projects.
Node.js 20.6.0 includes built-in support for .env files
philna.sh Node.js includes built-in support for .env files
With the recent release of version 20.6.0, Node.js now has built-in support for .env files. You can now load environment variables from a .env file into...
www.sonarsource.com What is deeper SAST in JavaScript?
What is SAST, what does deeper SAST mean, and how does this apply to your JavaScript and TypeScript applications?
oida.dev 5 Inconvenient Truths about TypeScript
I’m writing books about TypeScript and I do workshops and trainings online and in-house. Every time I meet a new group of developers there are some TypeScript facts that they need to be confronted with:
philna.sh Easy and accessible pagination links for your Astro collections
Generating pagination links is not as straightforward as it may seem. So, while rebuilding my own site with Astro, I released a <Pagination /> component on...
www.sonarsource.com Hands on with the Node.js test runner
Node.js released a new test runner in version 20. Let's dive in to how to write tests for JavaScript applications with the test runner.
Node.js version 20 comes with a new, built-in, stable test runner. This post takes a look into what you can do with it, with a small example test project.