Denoby example

Deno is a simple, modern and secure runtime for JavaScript and TypeScript that uses V8 and is built in Rust.

Deno by example is a collection of annotated examples for how to use Deno, and the various features it provides. It acts as a reference for how to do various things in Deno, but can also be used as a guide to learn about many of the features Deno provides.

• Basics

  • Hello World
  • Logging with colors
  • Importing & Exporting
  • Dependency Management
  • Use Node.js built-in modules
  • Import modules from npm
  • Built-in TypeScript support
  • Timeouts & Intervals
  • Manipulating & Parsing URLs

• Encoding

  • Importing JSON
  • Parsing and serializing JSON
  • Parsing and serializing TOML
  • Parsing and serializing YAML
  • Parsing and serializing CSV
  • Hex and Base64 Encoding
  • Manipulating byte arrays

• CLI

  • Command Line Arguments
  • Input Prompts
  • Getting the Deno version
  • Permission Management
  • Writing Tests

• Network

  • HTTP Requests
  • Outbound WebSockets
  • Running DNS Queries
  • HTTP Server: Hello World
  • HTTP Server: Routing
  • HTTP Server: Streaming
  • HTTP Server: Serving Files
  • HTTP Server: WebSockets
  • TCP Listener: Ping
  • TCP Connector: Ping
  • UDP Listener: Ping
  • UDP Connector: Ping
  • TCP/TLS Listener: Ping
  • TCP/TLS Connector: Ping
  • Piping Streams

• System

  • Benchmarking
  • Process Information
  • Handling OS Signals
  • Environment Variables
  • Subprocesses: Collecting Output
  • Subprocesses: Spawning

• File System

  • Reading Files
  • Writing Files
  • Deleting Files
  • Moving/Renaming Files
  • Temporary Files & Directories
  • Creating & Removing Directories
  • Creating & Resolving Symlinks
  • Watching the filesystem
  • Walking directories
  • Checking for file existence
  • Path operations
  • Streaming File Operations

• Databases

  • Connect to Postgres
  • Deno KV: Key/Value Database
  • Deno KV Watch
  • Connect to Redis
  • Connect to MongoDB

• Scheduled tasks

  • Deno Cron
  • Deno Queues

• Cryptography

  • Hashing
  • Generating & Validating UUIDs
  • ULID

• Advanced

  • Web Workers
  • Web Assembly

Source | License | Inspired by Go by Example