In this blog post, I’d like to explain how to get started with Mastodon.

JavaScript decorators have finally reached stage 3! Their latest version is already supported by Babel and will soon be supported by TypeScript. This blog post covers the 2022-03 version (stage 3) of...

This blog post explores how to write CommonJS modules so that their exports can be name-imported from ESM modules on Node.js.

The npm package manager lets us define small shell scripts for tasks and execute them via npm run. In this blog post, we explore how that works and how we can write them in a way that works across...

The package.json property "bin" lets an npm package specify which shell scripts it provides (for more information, see “Creating ESM-based shell scripts for Unix and Windows with Node.js”). If we...

In this blog post, we explore how to use the Node.js function parseArgs() from module node:util to parse command line arguments.

In this blog post, we learn how to implement shell scripts via Node.js ESM modules. There are two common ways of doing so: We can write a stand-alone script and install it ourselves. We can put our...

In this blog post, we use TypeScript to ensure that an object stays in sync with an Array that lists its properties.

The ecosystem around delivering ECMAScript modules via packages is slowly maturing. This blog post explains how the various pieces fit together: Packages – JavaScript’s units for software distribut...

In this blog post, we learn how to work with file system paths and file URLs on Node.js.

An ESM module can be used in two ways: It can be used as a library from which other modules can import values. It can be used as script that we run via Node.js – e.g., from a command line. In that...

In this blog post, we’ll explore how we can execute shell commands from Node.js, via module 'node:child_process'.

This blog post contains: An overview of the different parts of Node’s file system APIs. Recipes (code snippets) for performing various tasks via those APIs. The focus of this post is on shell...

On 22 June 2022, the 123nd Ecma General Assembly approved the ECMAScript 2022 language specification, which means that it’s officially a standard now. This blog post explains what’s new.

There are two ways in which npm packages can be installed: Locally, into a node_modules directory that npm searches for (or creates) in the current directory and its ancestors: npm install some-pac...

Web streams are a standard for streams that is now supported on all major web platforms: web browsers, Node.js, and Deno. (Streams are an abstraction for reading and writing data sequentially in...

UTM is a free virtualization software that runs Windows/ARM on Apple Silicon Macs. This blog post explains how to use it.

In this blog post, we look at three ways of processing Arrays: The for-of loop The Array method .reduce() The Array method .flatMap() The goal is to help you choose between these features whenever...