adding amd support; fixes #24 and #25

.jshintrc

@@ -9,6 +9,9 @@
   "strict": true,
   "undef": true,
   "unused": true,
+  "globals": {
+    "define": true
+  },
   "-W008": false, // ignore leading decimal
   "-W030": false // allow expression assignments
 }

Gruntfile.js

@@ -72,6 +72,7 @@ module.exports = function(grunt) {
 
   require('matchdep').filterAll('grunt-*').forEach(grunt.loadNpmTasks);
 
-  grunt.registerTask('default', ['jshint', 'mochaTest', 'closureCompiler', 'concat', 'sync']);
+  grunt.registerTask('build', ['closureCompiler', 'concat', 'sync']);
+  grunt.registerTask('default', ['jshint', 'mochaTest', 'build']);
 
 };

currency.js

@@ -24,9 +24,6 @@
     that.value = that.intValue / 100;
   };
 
-  // currency.js version
-  currency.version = '0.4.0';
-
   // Default options
   var settings = currency.settings = {
     symbol: '$'
@@ -136,10 +133,13 @@
 
   };
 
-  if (!global && typeof module === 'object' && typeof module.exports === 'object') {
+  /* istanbul ignore next */
+  if(typeof define === 'function' && define.amd) {
+    define([], function() { return currency; });
+  } else if (typeof module === 'object' && typeof module.exports === 'object') {
     module.exports = currency;
-  } else if (global) {
+  } else {
     global.currency = currency;
   }
 
-})(typeof window !== 'undefined' ? window : undefined);
+})(this);

package.json

@@ -9,7 +9,8 @@
   },
   "scripts": {
     "test": "node_modules/.bin/mocha test",
-    "coverage": "node_modules/.bin/istanbul cover --dir ./reports node_modules/.bin/_mocha test"
+    "coverage": "node_modules/.bin/istanbul cover --dir ./reports node_modules/.bin/_mocha test",
+    "prepublish": "grunt build"
   },
   "repository": {
     "type": "git",

test/test.js

@@ -3,17 +3,6 @@ var assert = require('assert')
 
 describe('currency.js', function() {
 
-  it('should attach to window', function() {
-    delete require.cache[require.resolve('../currency.js')];
-    global.window = {};
-    require('../currency.js');
-    assert.ok(typeof global.window.currency !== 'undefined', 'currency is attached to window');
-    assert.strictEqual(global.window.currency(1.23).value, 1.23, 'currency(1.23) is 1.23');
-    global.window = null;
-    delete require.cache[require.resolve('../currency.js')];
-    currency = require('../currency.js');
-  });
-
   it('should be immutable', function() {
     var value = currency(1),
         /* jshint unused: false */