Moved list of options out into a separate file

bin/serve.js

@@ -17,6 +17,7 @@ const nodeVersion = require('node-version')
 const pkg = require('../package')
 const listening = require('../lib/listening')
 const serverHandler = require('../lib/server')
+const { options, minimist } = require('../lib/options')
 
 // Throw an error if node version is too low
 if (nodeVersion.major < 6) {
@@ -34,49 +35,13 @@ if (process.env.NODE_ENV !== 'production' && pkg.dist) {
   updateNotifier({ pkg }).notify()
 }
 
-args
-  .option('port', 'Port to listen on', process.env.PORT || 5000)
-  .option(
-    'cache',
-    'Time in milliseconds for caching files in the browser',
-    3600
-  )
-  .option('single', 'Serve single page apps with only one index.html')
-  .option('unzipped', 'Disable GZIP compression')
-  .option('ignore', 'Files and directories to ignore')
-  .option('auth', 'Serve behind basic auth')
-  .option(
-    'cors',
-    'Setup * CORS headers to allow requests from any origin',
-    false
-  )
-  .option('silent', `Don't log anything to the console`)
-  .option(['n', 'clipless'], `Don't copy address to clipboard`, false)
-  .option('open', 'Open local address in browser', false)
-
-const flags = args.parse(process.argv, {
-  minimist: {
-    alias: {
-      a: 'auth',
-      C: 'cors',
-      S: 'silent',
-      s: 'single',
-      u: 'unzipped',
-      n: 'clipless',
-      o: 'open'
-    },
-    boolean: [
-      'auth',
-      'cors',
-      'silent',
-      'single',
-      'unzipped',
-      'clipless',
-      'open'
-    ]
-  }
-})
+// Register the list of options
+args.options(options)
+
+// And initialize `args`
+const flags = args.parse(process.argv, { minimist })
 
+// Figure out the content directory
 const directory = args.sub[0]
 
 // Don't log anything to the console if silent mode is enabled

lib/options.js

@@ -0,0 +1,60 @@
+exports.options = [
+  {
+    name: 'port',
+    description: 'Port to listen on',
+    defaultValue: process.env.PORT || 5000
+  },
+  {
+    name: 'cache',
+    description: 'Time in milliseconds for caching files in the browser',
+    defaultValue: 3600
+  },
+  {
+    name: 'single',
+    description: 'Serve single page apps with only one index.html'
+  },
+  {
+    name: 'unzipped',
+    description: 'Disable GZIP compression'
+  },
+  {
+    name: 'ignore',
+    description: 'Files and directories to ignore'
+  },
+  {
+    name: 'auth',
+    description: 'Serve behind basic auth'
+  },
+  {
+    name: 'cors',
+    description: 'Setup * CORS headers to allow requests from any origin',
+    defaultValue: false
+  },
+  {
+    name: 'silent',
+    description: `Don't log anything to the console`
+  },
+  {
+    name: ['n', 'clipless'],
+    description: `Don't copy address to clipboard`,
+    defaultValue: false
+  },
+  {
+    name: 'open',
+    description: 'Open local address in browser',
+    defaultValue: false
+  }
+]
+
+exports.minimist = {
+  alias: {
+    a: 'auth',
+    C: 'cors',
+    S: 'silent',
+    s: 'single',
+    u: 'unzipped',
+    n: 'clipless',
+    o: 'open'
+  },
+  boolean: ['auth', 'cors', 'silent', 'single', 'unzipped', 'clipless', 'open']
+}