Merge pull request #1135 from azamat-sharapov/currency-symbol

Currency symbol

CONTRIBUTING.md

@@ -81,4 +81,4 @@ The default task (by simply running `grunt`) will do the following: lint -> buil
 
 The unit tests are written with Jasmine and run with Karma. The e2e tests are written for and run with CasperJS.
 
-Note that the unit tests will automatically be run in Chrome, Firefox and Safari. If you are not on a Mac, or don't have one of the browsers installed on your system, you can modify the [karma config in gruntfile.js](https://github.com/yyx990803/vue/blob/dev/gruntfile.js#L42) to only run Karma tests in browsers that are available on your system. Just make sure don’t check in the gruntfile changes for the commit.
+Note that the unit tests will automatically be run in Chrome, Firefox and Safari. If you are not on a Mac, or don't have one of the browsers installed on your system, you can modify the [karma config in gruntfile.js](https://github.com/yyx990803/vue/blob/dev/gruntfile.js#L38) to only run Karma tests in browsers that are available on your system. Just make sure don’t check in the gruntfile changes for the commit.

src/filters/index.js

@@ -61,7 +61,7 @@ var digitsRE = /(\d{3})(?=\d)/g
 exports.currency = function (value, currency) {
   value = parseFloat(value)
   if (!isFinite(value) || (!value && value !== 0)) return ''
-  currency = currency || '$'
+  currency = currency != null ? currency : '$'
   var stringified = Math.abs(value).toFixed(2)
   var _int = stringified.slice(0, -3)
   var i = _int.length % 3

test/unit/specs/filters/filters_spec.js

@@ -66,6 +66,8 @@ describe('Filters', function () {
     expect(filter(0.76)).toBe('$0.76')
     // sign arg
     expect(filter(2134, '@')).toBe('@2,134.00')
+    // no symbol
+    expect(filter(2134, '')).toBe('2,134.00')
     // falsy, infinity and 0
     expect(filter(0)).toBe('$0.00')
     expect(filter(false)).toBe('')