copy alias to clipboard & show message (#201)

* copy alias to clipboard & show message

* ensure status output if not ttys or cant copy

lib/alias.js

@@ -1,14 +1,23 @@
 // Packages
 import publicSuffixList from 'psl'
+import minimist from 'minimist'
 import chalk from 'chalk'
 
 // Ours
+import copy from './copy'
 import toHost from './to-host'
 import resolve4 from './dns'
 import isZeitWorld from './is-zeit-world'
 import {DOMAIN_VERIFICATION_ERROR} from './errors'
 import Now from './'
 
+const argv = minimist(process.argv.slice(2), {
+  boolean: ['no-clipboard'],
+  alias: {'no-clipboard': 'C'}
+})
+
+const isTTY = process.stdout.isTTY
+const clipboard = !argv['no-clipboard']
 const domainRegex = /^((?=[a-z0-9-]{1,63}\.)(xn--)?[a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,63}$/
 
 export default class Alias extends Now {
@@ -234,7 +243,21 @@ export default class Alias extends Now {
     }
     const {created, uid} = newAlias
     if (created) {
-      console.log(`${chalk.cyan('> Success!')} Alias created ${chalk.dim(`(${uid})`)}: ${chalk.bold(chalk.underline(`https://${alias}`))} now points to ${chalk.bold(`https://${depl.url}`)} ${chalk.dim(`(${depl.uid})`)}`)
+      const pretty = `https://${alias}`
+      const output = `${chalk.cyan('> Success!')} Alias created ${chalk.dim(`(${uid})`)}: ${chalk.bold(chalk.underline(pretty))} now points to ${chalk.bold(`https://${depl.url}`)} ${chalk.dim(`(${depl.uid})`)}`
+      if (isTTY && clipboard) {
+        let append
+        try {
+          await copy(pretty)
+          append = '[copied to clipboard]'
+        } catch (err) {
+          append = ''
+        } finally {
+          console.log(`${output} ${append}`)
+        }
+      } else {
+        console.log(output)
+      }
     } else {
       console.log(`${chalk.cyan('> Success!')} Alias already exists ${chalk.dim(`(${uid})`)}.`)
     }