drgn

Usage

1. Configure drgn.

   ./mod.ts

   import drgn from 'https://deno.land/x/drgn@v0.11.0/mod.ts'
   import greet from './commands/greet.ts'
   
   new drgn({
     name: 'greeter',
     version: '0.1.0', // current version
     checkUpdate: { // optional, can also be a function
       registry: 'deno.land',
       moduleName: 'greeter',
     },
   })
     .command('greet', greet)
     .run()

2. Create a command.

   ./commands/greet.ts

   import { command, z } from 'https://deno.land/x/drgn@v0.11.0/mod.ts'
   
   export default command('Greet somebody.', {
     name: {
       alias: 'n',
       schema: z.string().min(1).max(32),
     },
   }, (ctx) => {
     console.log(`Hey, ${ctx.arg('name')}!`)
   })

3. Run it.

   deno run ./mod.ts greet --name Tom # Hey, Tom!