Codepolice

Taking JavaScript into Python

#650 — August 3, 2023 Read on the Web JavaScript Weekly A Tale of Evading JavaScript Anti-Debugging Techniques — When you’re poking arounddebugging code written and distributed by a third party, there might be some sneaky traps thrown in your path to prevent your usual techniques from working. What next? Disable breakpoints in DevTools? Use

Opening up the Node.js toolbox

#497 — August 1, 2023 Read on the Web PythonMonkey: JavaScript/WASM Interop for Python — The alpha release of a new way to bring Python and JavaScript together, by way of embedding Mozilla SpiderMonkey into the Python VM. This post introduces the concept with some examples, an idea of where the project is headed, as

Name mangling

#649 — July 27, 2023 Read on the Web JavaScript Weekly Hono + Htmx + Cloudflare: A New Stack? — A lot of people seem to be jumping on htmx lately as an alternative to the complexity of frameworks like React, but what if you want to keep using JSX? Hono is a (vaguely Express-like)

The Node.js best practices list gets a 2023 update

#496 — July 25, 2023 Read on the Web The Node.js Best Practices List: 2023 Edition — A valuable, long standing resource has been “modernized to 2023 standards” (complete with recommendations of more modern libraries) with lots of work by creator Yoni and an ever growing team of contributors. The topics remain the same, however,

The tale of how static typing came to JavaScript

#648 — July 20, 2023 Read on the Web JavaScript Weekly pkg-size: Find the True, Current Size of an npm Package Without Leaving Your Browser — A beautifully designed site that can show you the true size of an npm package (including dependencies) using the actual packages which are ‘installed’ in a browser-based WebContainers-powered environment.

Automating code updates with codemods

#495 — July 18, 2023 Read on the Web Upgrading TypeORM with jscodeshift — TypeORM is an ORM that supports both Data Mapper and Active Record patterns, and last year it introduced some breaking changes that left the author of this post facing a lot of updates to be made. What to do? Write a

htmx in 100 seconds

#647 — July 13, 2023 Read on the Web JavaScript Weekly Driver.js: Create On-Page Tours, Highlights, and Contextual Help — A no-dependency, vanilla JavaScript library for putting together page tours and contextual help systems. The project is a few years old but has just been entirely rewritten and gained numerous enhancements, plus a huge lick

Simple tests for dark scenarios

#494 — July 11, 2023 Read on the Web Node v20.4.0 Introduces Mock Timers — The latest release of Node includes a new MockTimers API that can make any tests involving time-dependent functionality more reliable and deterministic by mocking setTimeout, setInterval, node:timers, and more. Rafael Gonzaga Testing the Dark Scenarios of Your Node App — An

CommonJS, we love you, we love you not..

#646 — July 6, 2023 Read on the Web JavaScript Weekly What’s Next for JavaScript: New Features to Look Forward to — A reassuring and high level look at just what goes into making JavaScript better over time, along with some of the new things about to appear or still making their way through the

Deno wants us to ditch CommonJS

#493 — July 4, 2023 Read on the Web RegExp’s v Flag with Set Notation and Properties of Strings — The capability of regexes in Node has been turned up a few notches, especially in the support for, and manipulation of, Unicode character sets (for example, you can now do things like ‘match all Greek