added possibility of executing javascript

public/javascripts/note_editor.js

@@ -196,6 +196,14 @@ const noteEditor = (function() {
         return currentNote ? currentNote.detail.type : null;
     }
 
+    function executeScript() {
+        if (getCurrentNoteType() === 'code') {
+            const script = codeEditor.getValue();
+
+            eval(script);
+        }
+    }
+
     $(document).ready(() => {
         noteTitleEl.on('input', () => {
             noteChanged();
@@ -234,6 +242,8 @@ const noteEditor = (function() {
         noteDetailEl.attr("tabindex", 2);
     });
 
+    $(document).bind('keydown', "ctrl+return", executeScript);
+
     setInterval(saveNoteIfChanged, 5000);
 
     return {
@@ -249,6 +259,7 @@ const noteEditor = (function() {
         getCurrentNoteId,
         newNoteCreated,
         getEditor,
-        focus
+        focus,
+        executeScript
     };
 })();

public/javascripts/note_type.js

@@ -1,6 +1,7 @@
 "use strict";
 
 const noteType = (function() {
+    const executeScriptButton = $("#execute-script-button");
     const noteTypeModel = new NoteTypeModel();
 
     function NoteTypeModel() {
@@ -74,6 +75,8 @@ const noteType = (function() {
                 + '/mime/' + encodeURIComponent(self.mime()));
 
             await noteEditor.reload();
+
+            self.updateExecuteScriptButtonVisibility();
         }
 
         this.selectText = function() {
@@ -96,6 +99,10 @@ const noteType = (function() {
 
             save();
         };
+
+        this.updateExecuteScriptButtonVisibility = function() {
+            executeScriptButton.toggle(self.mime() === 'application/javascript');
+        }
     }
 
     ko.applyBindings(noteTypeModel, document.getElementById('note-type'));
@@ -105,6 +112,10 @@ const noteType = (function() {
         setNoteType: type => noteTypeModel.type(type),
 
         getNoteMime: () => noteTypeModel.mime(),
-        setNoteMime: mime => noteTypeModel.mime(mime)
+        setNoteMime: mime => {
+            noteTypeModel.mime(mime);
+
+            noteTypeModel.updateExecuteScriptButtonVisibility();
+        }
     };
 })();

views/index.ejs

@@ -95,6 +95,11 @@
 
           <span id="note-id-display" title="Note ID"></span>
 
+          <button class="btn btn-sm"
+                  style="display: none; margin-right: 10px"
+                  id="execute-script-button"
+                  onclick="noteEditor.executeScript()">Execute <kbd>Ctrl+Enter</kbd></button>
+
           <div class="dropdown" id="note-type">
             <button id="dLabel" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false" class="btn btn-sm">
               Type: <span data-bind="text: typeString()"></span>