New Blockly Core returns a slightly different empty project XML.

Author: pjewald

src/modules/blocklyc.js

@@ -981,7 +981,8 @@ export const hasCode = () => {
         const xml = Blockly.Xml.workspaceToDom(Blockly.mainWorkspace);
         const text = Blockly.Xml.domToText(xml);
         const emptyHeader = Project.getTerminatedEmptyProjectCodeHeader();
-        if (text !== emptyHeader) {
+        const emptyHeaderV2 = Project.getTerminatedEmptyProjectCodeHeaderV2();
+        if (! (text === emptyHeader || text === emptyHeaderV2)) {
           result = true;
         }
       }

src/modules/project.js

@@ -35,6 +35,7 @@ import {logConsoleMessage} from './utility';
  */
 const EmptyProjectCodeHeader = '<xml xmlns="https://developers.google.com/blockly/xml">';
 const TerminatedEmptyProjectCodeHeader = '<xml xmlns="https://developers.google.com/blockly/xml"/>';
+const TerminatedEmptyProjectCodeHeaderV2 = `<xml xmlns=\"https://developers.google.com/blockly/xml\"></xml>`;
 
 /**
  * Preserve the initial state of the project
@@ -386,6 +387,14 @@ class Project {
     return TerminatedEmptyProjectCodeHeader;
   }
 
+  /**
+   * Version 2 empty project string
+   * @return {string}
+   */
+  static getTerminatedEmptyProjectCodeHeaderV2() {
+    return TerminatedEmptyProjectCodeHeaderV2;
+  }
+
   /**
      * Convert a string project board type
      * @param {string} board

src/modules/toolbar_controller.js

@@ -23,6 +23,7 @@
 import {hasCode} from './blocklyc';
 import {getProjectInitialState} from './project.js';
 import {clientService, serviceConnectionTypes} from './client_service';
+import {logConsoleMessage} from "./utility";
 
 
 /**
@@ -55,6 +56,9 @@ export function propToolbarButtonController() {
       disableButtons(false, isS3boardType);
       return;
     }
+    else {
+      console.log(`Project has code`);
+    }
   }
   // The compile button should always be available when a project
   // is loaded and there is at least one block defined in the project