CLAUDE.md - Development Guide

Commands

Run: deno run -E or dr (with aliases)
Dev: deno task dev (app-specific, e.g., deno run -REN --watch main.ts)
Test: deno test (all tests)
Test single file: deno test path/to/test_file.ts
Format: deno fmt

Code Style

Line width: 120 characters
No semicolons
Imports: Use JSR (jsr:@package/name@1) or npm (npm:@package/name@1) in deno.json and @package/name on imports
Path aliases: #/ for current directory
Types: Use @pkgs/types in deno.json, use Zod for validation
Naming: camelCase for functions/variables, PascalCase for classes/interfaces
Error handling: Use try/catch with console.error for logging

Project Structure

Monorepo with workspaces: apps/*, pkgs/*
Test files named with _test.ts suffix
Tests follow pattern: Deno.test(function testName() {...})
Each package has its own deno.json with specific dependencies

Helpful Aliases

d: deno
dt: deno task
dr: deno run -E
ds: deno task start