Merge pull request #387 from bcoe/number-option-shorthand

number shot-hand for options

README.md

@@ -1070,6 +1070,7 @@ Valid `opt` keys include:
     - `'boolean'`: synonymous for `boolean: true`, see [`boolean()`](#boolean)
     - `'count'`: synonymous for `count: true`, see [`count()`](#count)
     - `'string'`: synonymous for `string: true`, see [`string()`](#string)
+    - `'number'`: synonymous for `number: true`, see [`number()`](#number)
 
 .parse(args)
 ------------

index.js

@@ -357,6 +357,9 @@ function Argv (processArgs, cwd) {
       } if (opt.array || opt.type === 'array') {
         self.array(key)
         if (opt.alias) self.array(opt.alias)
+      } if (opt.number || opt.type === 'number') {
+        self.number(key)
+        if (opt.alias) self.number(opt.alias)
       } if (opt.string || opt.type === 'string') {
         self.string(key)
         if (opt.alias) self.string(opt.alias)

test/yargs.js

@@ -369,10 +369,23 @@ describe('yargs dsl tests', function () {
 
   describe('number', function () {
     it('accepts number arguments when a number type is specified', function () {
-      var argv = yargs('-w 10')
+      var argv = yargs('-w banana')
         .number('w')
         .argv
-      argv.w.should.equal(10)
+
+      expect(typeof argv.w).to.equal('number')
+    })
+
+    it('should expose an options short-hand for numbers', function () {
+      var argv = yargs('-w banana')
+        .option('w', {
+          number: true
+        })
+        .alias('w', 'x')
+        .argv
+
+      expect(typeof argv.w).to.equal('number')
+      expect(typeof argv.x).to.equal('number')
     })
   })