🤟 Bringing require(esm)

Joyee writes about landing experimental support for require()-ing synchronous ES modules in Node, a feature that has been a long time coming, due to both technical and cultural factors.

JOYEE CHEUNG

❓ CHALLENGE

console.log(new RegExp({}).test("mom"));

console.log(new RegExp({}).test("dad"));

By Samvel

🤟 Runtime Compatibility Across JavaScript Runtimes

Several developers have come together to build this convenient way to visualize the compatibility of different Web APIs and JavaScript features across the ever increasing number of different runtimes (e.g. Bun, Deno, Node, LLRT..)

TOM LIENARD ET AL.

✅ The item above reminds me of node.green, a visualization of JS feature support across versions of Node / V8, though it is nearly entirely green/Yes these days!

CHALLENGE ❓

let arr = [1, 2, 3];

function modifyArray(array) {
  array.push(4);
}

modifyArray(arr.splice(1));
console.log(arr);

🍊 Atrament 4.0: Library for Smooth Canvas Drawing and Handwriting

A small library for beautiful drawing and handwriting on canvas elements. It’s been around for several years but v4.0 is almost a complete rewrite. GitHub repo.

JAKUB FIALA

CHALLENGE ❓

let x = 5;
let result = typeof (x + "10");

console.log(result);

🗣️ Why is it called a REST API when it wakes me up at 3 AM to fix it?

Zach Wilson

❓ CHALLENGE

function foo() {
    let a = b = 0
    a++
    return a
}
 
foo()
console.log(typeof a)
console.log(typeof b)

🌲 Node.js: The Documentary | An origin story

Honeypot

❓ CHALLENGE

const obj = {
  a: 1,
  b: function() {
    console.log(this.a);
  }
};
const func = obj.b;
func();

❓ CHALLENGE

function* generator() {
  yield 1;
  yield 2;
  yield 3;
}
const gen = generator();
console.log(gen.next().value);
console.log(gen.next().value);

🤟 __dirname is Back in Node with ES Modules

In an ES module, instead of using __dirname or __filename, you can now use import.iss.oneta.dirname and import.iss.oneta.filename (this came with Node 20.11.0 (LTS) released in January).

PHIL NASH

❓ CHALLENGE

const a = { a: 1 };
const b = Object.assign({}, a);
b.a = 2;
console.log(a.a);