Fixed problems with non-string ids

We have to enforce ids being strings as the values of options within
a select will always be an id.  This fixes an issue that we had with
array selections not being highlighted in the results.

Gruntfile.js

@@ -100,6 +100,7 @@ module.exports = function (grunt) {
           optimize: "none",
           name: "select2/core",
           out: "dist/js/select2.amd.js",
+          include: includes,
           paths: {
             jquery: "empty:"
           }

dist/js/select2.amd.full.js

@@ -181,7 +181,9 @@ define('select2/results',[
     var self = this;
 
     this.data.current(function (selected) {
-      selected = $.map(selected, function (s) { return s.id; });
+      var selectedIds = $.map(selected, function (s) {
+        return s.id.toString();
+      });
 
       self.$results.find('.option.selected').removeClass('selected');
 
@@ -191,7 +193,7 @@ define('select2/results',[
         var $option = $(this);
         var item = $option.data('data');
 
-        if (selected.indexOf(item.id.toString()) > -1) {
+        if (selectedIds.indexOf(item.id.toString()) > -1) {
           $option.addClass('selected');
         }
       });

dist/js/select2.amd.js

@@ -181,7 +181,9 @@ define('select2/results',[
     var self = this;
 
     this.data.current(function (selected) {
-      selected = $.map(selected, function (s) { return s.id; });
+      var selectedIds = $.map(selected, function (s) {
+        return s.id.toString();
+      });
 
       self.$results.find('.option.selected').removeClass('selected');
 
@@ -191,7 +193,7 @@ define('select2/results',[
         var $option = $(this);
         var item = $option.data('data');
 
-        if (selected.indexOf(item.id.toString()) > -1) {
+        if (selectedIds.indexOf(item.id.toString()) > -1) {
           $option.addClass('selected');
         }
       });
@@ -937,3 +939,28 @@ define('select2/core',[
   return Select2;
 });
 
+define('jquery.select2',[
+  'jquery',
+  'select2/core'
+], function ($, Select2) {
+  if ($.fn.select2 == null) {
+    $.fn.select2 = function (options) {
+      options = options || {};
+
+      if (typeof options === 'object') {
+        this.each(function () {
+          var instance = new Select2($(this), options);
+        });
+      } else if (typeof options === 'string') {
+        var instance = this.data('select2');
+
+        instance[options](arguments.slice(1));
+      } else {
+        throw new Error('Invalid arguments for Select2: ' + options);
+      }
+    };
+  }
+
+  return Select2;
+});
+

dist/js/select2.full.js

@@ -9719,7 +9719,9 @@ define('select2/results',[
     var self = this;
 
     this.data.current(function (selected) {
-      selected = $.map(selected, function (s) { return s.id; });
+      var selectedIds = $.map(selected, function (s) {
+        return s.id.toString();
+      });
 
       self.$results.find('.option.selected').removeClass('selected');
 
@@ -9729,7 +9731,7 @@ define('select2/results',[
         var $option = $(this);
         var item = $option.data('data');
 
-        if (selected.indexOf(item.id.toString()) > -1) {
+        if (selectedIds.indexOf(item.id.toString()) > -1) {
           $option.addClass('selected');
         }
       });

dist/js/select2.js

@@ -610,7 +610,9 @@ define('select2/results',[
     var self = this;
 
     this.data.current(function (selected) {
-      selected = $.map(selected, function (s) { return s.id; });
+      var selectedIds = $.map(selected, function (s) {
+        return s.id.toString();
+      });
 
       self.$results.find('.option.selected').removeClass('selected');
 
@@ -620,7 +622,7 @@ define('select2/results',[
         var $option = $(this);
         var item = $option.data('data');
 
-        if (selected.indexOf(item.id.toString()) > -1) {
+        if (selectedIds.indexOf(item.id.toString()) > -1) {
           $option.addClass('selected');
         }
       });

src/js/select2/results.js

@@ -42,7 +42,9 @@ define([
     var self = this;
 
     this.data.current(function (selected) {
-      selected = $.map(selected, function (s) { return s.id; });
+      var selectedIds = $.map(selected, function (s) {
+        return s.id.toString();
+      });
 
       self.$results.find('.option.selected').removeClass('selected');
 
@@ -52,7 +54,7 @@ define([
         var $option = $(this);
         var item = $option.data('data');
 
-        if (selected.indexOf(item.id.toString()) > -1) {
+        if (selectedIds.indexOf(item.id.toString()) > -1) {
           $option.addClass('selected');
         }
       });

tests/data/array-tests.js

@@ -61,7 +61,8 @@ test('current works with existing selections', function (assert) {
       val,
       [{
         id: '3',
-        text: 'Three'
+        text: 'Three',
+        disabled: false
       }],
       'The text and id should match the value and text for the option tag.'
     );

tests/data/select-tests.js

@@ -16,7 +16,8 @@ test('current gets default for single', function (assert) {
       val,
       [{
         id: 'default',
-        text: 'Default'
+        text: 'Default',
+        disabled: false
       }],
       'The first option should be selected by default (by the browser).'
     );
@@ -49,7 +50,8 @@ test('current gets options with explicit value', function (assert) {
       val,
       [{
         id: '1',
-        text: 'One'
+        text: 'One',
+        disabled: false
       }],
       'The text and id should match the value and text for the option tag.'
     );
@@ -68,7 +70,8 @@ test('current gets options with implicit value', function (assert) {
       val,
       [{
         id: '2',
-        text: '2'
+        text: '2',
+        disabled: false
       }],
       'The text and id should match the text within the option tag.'
     );