Codepolice

Garbage collector experiments

#628 — March 3, 2023 Read on the Web JavaScript Weekly Sandworm Audit: A New JS Auditing Tool — A command-line tool to scan a project and dependencies for vulnerabilities, license issues, and related problems. You get JSON reports, visualizations of dependency trees, and a CSV of all dependencies and license information. Sandworm Experiments with the JavaScript

Playing in the sandbox

#476 — March 2, 2023 Read on the Web zx 7.2: A Tool for Writing Better Shell Scripts — Always a popular tool when we link it! zx is an alternative way to run Node that makes it more useful for shell scripting by bringing along a variety of niceties like process management, argument handling,

ECMAScript 2023 for President

#627 — February 24, 2023 Read on the Web JavaScript Weekly 🎵 Strudel REPL: Live JavaScript Music in the Browser — This is a lot of fun. It’s a little online sandbox for putting together small musical experiments written in JavaScript. Use the ‘shuffle’ button at the top right until you find something you like

Single executable apps come to Node core

#475 — February 23, 2023 Read on the Web ▶ The State of Node.js Core with Colin Ihrig — Colin sits on the Node.js Technical Steering Committee (TSC) and gives us a 30-minute presentation reviewing what’s going on and some potential upcoming features (including a permissions system, better TypeScript integration, proxy support for fetch and more

JavaScript sans build systems?

#626 — February 17, 2023 Read on the Web JavaScript Weekly Writing JavaScript Without a Build System — Using a variety of build tools for things like bundling and transpiling is reasonably standard in modern JavaScript development, but what if you want to keep things simple? For simple things, it’s not necessary, says Julia. This

Automatic integration tests for Express apps

#474 — February 16, 2023 Read on the Web How To Scale Node Apps with Clustering — Node’s cluster module can be used to run and manage multiple Node instances as a way to distribute workloads. Stanley gives a thorough and practical walkthrough of how to do it and why and when it yields a benefit. Stanley

Bringing JavaScript to WebAssembly

#625 — February 10, 2023 Read on the Web JavaScript Weekly Speeding Up the JS Ecosystem: It’s ESLint’s Turn — Last year we featured an article from the same author about how he was finding, and fixing, low-hanging performance fruit in popular JavaScript projects. He’s back, and he’s found a lot of potential for savings

Node gets a new URL parser

#473 — February 9, 2023 Read on the Web Node v19.6.0 (Current) Released — Node 19 moves up to npm 9.4 (which notably implements the pnpm-like isolated mode (via –install-strategy=linked) and the still experimental loader hooks can now chain. Node 18.14.0 (LTS) is also out and features a significant upgrade to npm 9.3. Node.js Project Ada

Ways to remove event listeners

#624 — February 3, 2023 Read on the Web JavaScript Weekly You’ve Got Options for Removing Event Listeners — Unnecessary event listeners can cause all sorts of odd problems so it’s good to clean them up when you don’t need them anymore. How? There are several approaches and Alex looks at their pros and cons. (once

SQL in your JavaScript

#472 — February 2, 2023 Read on the Web AlaSQL.js 3.0: Isomorphic JavaScript SQL Database — A SQL database you can use in Node.js and the browser. The interesting bit, for me, is how it opens up the idea of using SQL to query JavaScript objects – as in this example. “The library adds the