1 files changed, 63 insertions, 0 deletions
diff --git a/app/assets/javascripts/compare_autocomplete.js.es6 b/app/assets/javascripts/compare_autocomplete.js.es6
new file mode 100644
index 00000000000..9a2082d97e0
--- /dev/null
+++ b/app/assets/javascripts/compare_autocomplete.js.es6
@@ -0,0 +1,63 @@
+(function() {
+  this.CompareAutocomplete = (function() {
+    function CompareAutocomplete() {
+      this.initDropdown();
+    }
+
+    CompareAutocomplete.prototype.initDropdown = function() {
+      return $('.js-compare-dropdown').each(function() {
+        var $dropdown, selected;
+        $dropdown = $(this);
+        selected = $dropdown.data('selected');
+        const $dropdownContainer = $dropdown.closest('.dropdown');
+        const $fieldInput = $(`input[name="${$dropdown.data('field-name')}"]`, $dropdownContainer);
+        const $filterInput = $('input[type="search"]', $dropdownContainer);
+        $dropdown.glDropdown({
+          data: function(term, callback) {
+            return $.ajax({
+              url: $dropdown.data('refs-url'),
+              data: {
+                ref: $dropdown.data('ref')
+              }
+            }).done(function(refs) {
+              return callback(refs);
+            });
+          },
+          selectable: true,
+          filterable: true,
+          filterByText: true,
+          toggleLabel: true,
+          fieldName: $dropdown.data('field-name'),
+          filterInput: 'input[type="search"]',
+          renderRow: function(ref) {
+            var link;
+            if (ref.header != null) {
+              return $('<li />').addClass('dropdown-header').text(ref.header);
+            } else {
+              link = $('<a />').attr('href', '#').addClass(ref === selected ? 'is-active' : '').text(ref).attr('data-ref', escape(ref));
+              return $('<li />').append(link);
+            }
+          },
+          id: function(obj, $el) {
+            return $el.attr('data-ref');
+          },
+          toggleLabel: function(obj, $el) {
+            return $el.text().trim();
+          }
+        });
+        $filterInput.on('keyup', (e) => {
+          const keyCode = e.keyCode || e.which;
+          if (keyCode !== 13) return;
+          const text = $filterInput.val();
+          $fieldInput.val(text);
+          $('.dropdown-toggle-text', $dropdown).text(text);
+          $dropdownContainer.removeClass('open');
+        });
+      });
+    };
+
+    return CompareAutocomplete;
+
+  })();
+
+}).call(this);