Deno

Deno is a secure TypeScript/JavaScript runtime with built-in tooling. No node_modules, no bundler config, no tsconfig.json needed. TypeScript runs natively. All APIs use web standards (fetch, Request, Response, Web Streams).

CLI Commands

deno run server.ts                    # Run a file
deno run --watch server.ts            # Restart on file changes
deno task dev                         # Run task from deno.json
deno test                             # Run tests
deno bench                            # Run benchmarks
deno fmt                              # Format code
deno lint                             # Lint code
deno check server.ts                  # Type-check without running
deno compile --output myapp server.ts # Compile to standalone binary
deno serve server.ts                  # Run an HTTP server (export default handler)
deno doc mod.ts                       # Generate documentation
deno info server.ts                   # Show dependency tree