From 84cc2ad0fafe16b579fe6ca6a20e55c6fbbf1a52 Mon Sep 17 00:00:00 2001
From: Nick O'Leary <nick.oleary@gmail.com>
Date: Tue, 18 Dec 2018 10:57:33 +0000
Subject: [PATCH] Allow TypeSearch to include a filter option

---
 .../editor-client/src/js/ui/typeSearch.js     | 22 ++++++++++++++-----
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/typeSearch.js b/packages/node_modules/@node-red/editor-client/src/js/ui/typeSearch.js
index 0e0ce98b3..532d84274 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/typeSearch.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/typeSearch.js
@@ -200,7 +200,7 @@ RED.typeSearch = (function() {
             dialog.hide();
             searchResultsDiv.hide();
         }
-        refreshTypeList();
+        refreshTypeList(opts);
         addCallback = opts.add;
         closeCallback = opts.close;
         RED.events.emit("type-search:open");
@@ -254,21 +254,29 @@ RED.typeSearch = (function() {
             return 1;
         }
     }
-    function refreshTypeList() {
+    function applyFilter(filter,type,def) {
+        return !filter ||
+            (
+                (!filter.type || type === filter.type) &&
+                (!filter.input || def.inputs > 0) &&
+                (!filter.output || def.outputs > 0)
+            )
+    }
+    function refreshTypeList(opts) {
         var i;
         searchResults.editableList('empty');
         searchInput.searchBox('value','');
         selected = -1;
         var common = [
             'inject','debug','function','change','switch'
-        ];
+        ].filter(function(t) { return applyFilter(opts.filter,t,RED.nodes.getType(t)); });
 
         var recentlyUsed = Object.keys(typesUsed);
         recentlyUsed.sort(function(a,b) {
             return typesUsed[b]-typesUsed[a];
         });
         recentlyUsed = recentlyUsed.filter(function(t) {
-            return common.indexOf(t) === -1;
+            return applyFilter(opts.filter,t,RED.nodes.getType(t)) && common.indexOf(t) === -1;
         });
 
         var items = [];
@@ -313,8 +321,10 @@ RED.typeSearch = (function() {
             searchResults.editableList('addItem', item);
         }
         for (i=0;i<items.length;i++) {
-            items[i].i = index++;
-            searchResults.editableList('addItem', items[i]);
+            if (applyFilter(opts.filter,items[i].type,items[i].def)) {
+                items[i].i = index++;
+                searchResults.editableList('addItem', items[i]);
+            }
         }
         setTimeout(function() {
             selected = 0;