New in v2.2 — custom lint rules @deno

Uploaded March 2025 | Updated September 2026, 1 week ago

Deno's built-in linting tool now support custom plugins to allow you to create and share your own lint rules and fixes.

Learn more about this and other features and improvements to `deno lint` in the v2.2 release here:
deno.com/blog/v2.2#linter-updates

Deno is an all-in-one batteries included JavaScript and TypeScript toolchain.

Website: deno.com
GitHub: github.com/denoland
Discord: discord.gg/deno
Bluesky: https://bsky.app/profile/deno.land
Mastodon: fosstodon.org/@deno_land
Twitter: https:/twitter.com/deno_land

when you accidentally npm install loodash #nodejs #node #programming #coding #javascript

$Safe Cloud Code Execution with Snapshots (Python Pre-Installed, Zero Wait) Deno Sandbox lets you spin up isolated cloud VMs programmatically. With the snapshots feature, you can pre-install an entire environment once and boot it without waiting for installs every time after. In this video I show you the snapshot workflow end to end: → Create a cloud volume and boot a sandbox → Install Python, and required packages and build tools → Snapshot the volume — your environment is now frozen and reusable → Boot fresh sandboxes from that snapshot instantly, with everything pre-installed As a demo we run a live interactive Mandelbrot fractal explorer. An HTTP server deployed entirely inside the sandbox, the code never touching the host machine. This is the foundation for safe execution of AI-generated code, user-submitted scripts, or any workload you want fully isolated and reproducible. Chapters: 0:00 – Introduction 0:50 – Initialize a basic Deno project 1:40 – Setting up a Snapshot 3:25 – Booting from a Snapshot Resources: 📂 Code: https://docs.deno.com/examples/snapshot_python_tutorial 🚀 Deno Deploy: https://console.deno.com 📦 Deno Sandbox SDK: https://jsr.io/@deno/sandbox$

Deno v1.33: Deno KV, flatter deno.json, and more

How to publish a JavaScript package in 2024