Add decimal formatter

lib/lib/format.coffee

@@ -40,6 +40,9 @@ zipCode = (value) ->
 number = (number) ->
   formatNumber(number, 0)
 
+decimalNumber = (number) ->
+  formatNumber(number, 2)
+
 formatNumber = (number, places) ->
   s = if number < 0 then "-" else ""
   i = parseInt(number = Math.abs(+number || 0).toFixed(places)) + ""
@@ -57,10 +60,11 @@ modelNames = (models) ->
     "#{names[0...names.length-1].join(', ')}, and #{names[names.length-1]}"
 
 module.exports =
-  date:       date
-  dateTime:   dateTime
-  boolean:    boolean
-  money:      money
-  number:     number
-  modelNames: modelNames
-  zipCode:    zipCode
+  boolean:        boolean
+  date:           date
+  dateTime:       dateTime
+  decimalNumber:  decimalNumber
+  money:          money
+  number:         number
+  modelNames:     modelNames
+  zipCode:        zipCode

package.json

@@ -1,6 +1,6 @@
 {
   "name": "quips",
-  "version": "0.1.10",
+  "version": "0.1.11",
   "dependencies": {
     "coffee-script":    "1.6.x",
     "jqueryify":        "1.9.1",

test/lib/format_spec.coffee

@@ -38,6 +38,13 @@ describe 'Format library', ->
     expect(format.number(NaN)).to.equal '0'
     expect(format.number(0.87)).to.equal '1'
 
+  it 'should format decimal numbers', ->
+    expect(format.decimalNumber(3852.378)).to.equal '3,852.38'
+    expect(format.decimalNumber(0)).to.equal '0.00'
+    expect(format.decimalNumber()).to.equal '0.00'
+    expect(format.decimalNumber(NaN)).to.equal '0.00'
+    expect(format.decimalNumber(0.873)).to.equal '0.87'
+
   it 'should format a boolean', ->
     expect(format.boolean(true)).to.equal 'Yes'
     expect(format.boolean(false)).to.equal 'No'