Tell ace about Function node globals

Closes #927

editor/js/ui/editor.js

@@ -1360,6 +1360,14 @@ RED.editor = (function() {
             if (options.value) {
                 session.setValue(options.value,-1);
             }
+            if (options.globals) {
+                setTimeout(function() {
+                    if (!!session.$worker) {
+                        session.$worker.send("setOptions", [{globals: options.globals}]);
+                    }
+                },100);
+            }
+
             return editor;
         }
     }

nodes/core/core/80-function.html

@@ -91,7 +91,21 @@
             this.editor = RED.editor.createEditor({
                 id: 'node-input-func-editor',
                 mode: 'ace/mode/javascript',
-                value: $("#node-input-func").val()
+                value: $("#node-input-func").val(),
+                globals: {
+                    msg:true,
+                    context:true,
+                    RED: true,
+                    util: true,
+                    flow: true,
+                    global: true,
+                    console: true,
+                    Buffer: true,
+                    setTimeout: true,
+                    clearTimeout: true,
+                    setInterval: true,
+                    clearInterval: true
+                }
             });
 
             RED.library.create({