From many to one: Moving our JavaScript code into a monorepo
Aha! Develop is the agile tool that links strategy to delivery. Learn more Do we need a monorepo? When I first joined Aha!, I was surprised by how well-structured the engineering onboarding program was. I spent several weeks getting to know all the teams and learning the pieces of our system. What I didn't realize at the time was these onboarding conversations gave me more than basic technical kno
Modern JavaScript library starter
How to publish a package with TypeScript, testing, GitHub Actions, and auto-publish to NPM Publishing a library Back then when I wanted to write and publish a JavaScript library, all I had to do is to create a new GitHub project, write a package.json with some basic details, add an index.js, and publish to NPM via the CLI. But this simple setup misses a lot of new things that are considered essent
GitHub - le0pard/re2js: RE2JS is the JavaScript port of RE2, a regular expression engine that provides linear time matching
RE2 is a regular expression engine designed to operate in time proportional to the size of the input, ensuring linear time complexity. RE2JS, on the other hand, is a pure JavaScript port of the RE2 library — more specifically, it's a port of the RE2/J library. JavaScript standard regular expression package, RegExp, and many other widely used regular expression packages such as PCRE, Perl and Pytho
Writing Javascript without a build system
February 16, 2023 Hello! I’ve been writing some Javascript this week, and as always when I start a new frontend project, I was faced with the question: should I use a build system? I want to talk about what’s appealing to me about build systems, why I (usually) still don’t use them, and why I find it frustrating that some frontend Javascript libraries require that you use a build system. I’m writi
The await event horizon in JavaScript
There is a boundary around every black hole where the velocity required to escape its gravitational pull exceeds the speed of light. Once anything, including light itself, passes over that threshold, it is trapped inside the mysterious interior of the black hole forever. There is no escape, and there is no return back to the rest of the universe. This boundary is called the black hole’s event hori
CSS Custom Highlight API - Web APIs | MDN
The CSS Custom Highlight API provides a mechanism for styling arbitrary text ranges on a document by using JavaScript to create the ranges, and CSS to style them. Styling text ranges on a webpage can be very useful. For example, text editing web apps highlight spelling or grammar errors, and code editors highlight syntax errors. The CSS Custom Highlight API extends the concept of other highlight p
dprint - Code Formatter
dprint A pluggable and configurable code formatting platform written in Rust. Formatting is very fast. Plugins are WebAssembly files that may be imported from a URL or file path. Official plugins are highly configurable enabling you to auto format code closer to your preferences. Configuration may be imported from URLs for reuse and sharing.
Let’s learn how modern JavaScript frameworks work by building one
2 Dec Let’s learn how modern JavaScript frameworks work by building one Posted December 2, 2023 by Nolan Lawson in Web. Tagged: javascript. 20 Comments In my day job, I work on a JavaScript framework (LWC). And although I’ve been working on it for almost three years, I still feel like a dilettante. When I read about what’s going on in the larger framework world, I often feel overwhelmed by all the
Service Worker Static Routing API Origin Trial | Blog | Chrome for Developers
Service workers are a powerful tool for allowing websites to work offline and create specialized caching rules for themselves. A service worker fetch handler sees every request from a page it controls, and can decide if it wants to serve a response to it from the service worker cache, or even rewrite the URL to fetch a different response entirely—for instance, based on local user preferences. Howe
Goodbye, Node.js Buffer
The Buffer type has been the cornerstone for binary data handling in Node.js since the beginning. However, these days we have Uint8Array, which is a native JavaScript type and works cross-platform. While Buffer is an instance of Uint8Array, it introduces numerous methods that are not available in other JavaScript environments. Consequently, code leveraging Buffer-specific methods needs polyfilling
Speeding up the JavaScript ecosystem - The barrel file debacle
Let's imagine you are working on a big project with many files. You add a new file to work on a new feature and import a function from another directory into your code. import { foo } from "./some/other-file"; export function myCoolCode() { // Pretend that this is super smart code :) const result = foo(); return result; } Excited about finishing your feature, you run the code and realize that it t
A comprehensive guide to the dangers of Regular Expressions in JavaScript
I first heard about regular expression denial of service (ReDoS) vulnerabilities from GitHub's Dependabot. Several of my projects over the years have had dependencies that suffered from ReDoS vulnerabilities, and I would bet that if you've built any JavaScript project with dependencies, you've also come across this. This got me thinking; if there are vulnerable regular expressions in our dependenc
Signal Boosting – Preact
The new release of Preact Signals brings significant performance updates to the foundations of the reactive system. Read on to learn what kinds of tricks we employed to make this happen. We recently announced new versions of the Preact Signals packages: @preact/signals-core 1.2.0 for the shared core functionality @preact/signals 1.1.0 for the Preact bindings @preact/signals-react 1.1.0 for the Rea
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The Future of Native HTML Templating and Data Binding
GitHub - awslabs/llrt: LLRT (Low Latency Runtime) is an experimental, lightweight JavaScript runtime designed to address the growing demand for fast and efficient Serverless applications.
JS Decorators Explained: 10 Years Journey to the Real Implementation | Binary Studio
The Website vs. Web App Dichotomy Doesn't Exist | jakelazaroff.com
StyleX
GitHub - css-hooks/css-hooks: Hook into advanced CSS features from native inline styles.
GitHub - LuanRT/YouTube.js: A wrapper around YouTube's internal API — reverse engineering InnerTube
