Ryan Dahl

JSConf EU

July 2018

Node is like nails on chalkboard to me

Node.js

Node.js - History

Created in 2009.

Server Side Javascript even if single-threaded.

Built on V8.

Ecosystem for a project.

Node.js is a mess

Node.js - Security

absolutely no permission management

your linter shouldn't get complete access to your computer and network

monkey patch is easy + script executions

vulnerable by design

Node.js - Simplicity

modules management with npm

Node.js - Simplicity

Every node project has a

package.json

It's boilerplate noise

Node.js - Compatibility

Build system depends on GYP which was dropped by the Chrome team for GN

No browser compatibility

deno

A secure runtime for JavaScript and TypeScript

TypeScript support

deno run hello.ts

Promise API

Security by default

--allow-all | -A
--allow-env
--allow-hrtime
--allow-read=<whitelist>
--allow-write=<whitelist>
--allow-net=<whitelist>
--allow-plugin
--allow-run

Remote execution

deno --allow-read https://deno.land/std/examples/cat.ts ~/.bashrc

Module management

ES modules only (bye bye require)

import from url

caching system

Standard modules

Tooling

Browser compatibility

Wasm Support