Fixes #2583 issue with menu disappearing using allowAdditions: true

RELEASE-NOTES.md

@@ -47,6 +47,7 @@
 - **Container** - Fix issue with `fluid container` being `100% + gutter` at mobile resolution (causing overflow)
 - **Dropdown** - `forceSelection` no longer sets current value in search selection when current query is blank #2058
 - **Dropdown** - Dropdown `@arrowSize` will now automatically reposition itself if size is changed with variable
+- **Dropdown** - Fixed error where menu would disappear when entering spaced words using `allowAdditions: true` caused by value matching its own whitespace-trimed value #2853
 - **Dropdown** - Dropdown arrow now has a variable `@dropdownArrowSize`, and is slightly smaller than previously
 - **Dropdown** - Fix `left menu` inside `ui menu` appearing horizontally #2778
 - **Dropdown** - Fixed issue where "no results" message would be still be visible before search query on input focus #2824

src/definitions/modules/dropdown.js

@@ -724,7 +724,6 @@ $.fn.dropdown = function(parameters) {
               })
             ;
           }
-
           module.debug('Showing only matched items', searchTerm);
           module.remove.filteredItem();
           $item
@@ -2364,13 +2363,15 @@ $.fn.dropdown = function(parameters) {
           userSuggestion: function(value) {
             var
               $addition         = $menu.children(selector.addition),
-              alreadyHasValue   = module.get.item(value),
+              $existingItem     = module.get.item(value),
+              alreadyHasValue   = $existingItem && $existingItem.not(selector.addition).length,
               hasUserSuggestion = $addition.length > 0,
               html
             ;
             if(settings.useLabels && module.has.maxSelections()) {
               return;
             }
+            console.log(alreadyHasValue);
             if(value === '' || alreadyHasValue) {
               $addition.remove();
               return;