diff --git a/package.json b/package.json
index 54b88df..397b719 100644
--- a/package.json
+++ b/package.json
@@ -32,8 +32,9 @@
     "@jupyterlab/application": "^0.15.0",
     "@jupyterlab/docmanager": "^0.13.0",
     "@jupyterlab/filebrowser": "^0.15.0",
-    "@jupyterlab/mainmenu": "^0.4.2",
-    "@jupyterlab/launcher": "^0.15.1"
+    "@jupyterlab/mainmenu": "^0.4.0",
+    "@jupyterlab/launcher": "^0.15.0",
+    "@jupyterlab/apputils": "^0.15.0"
   },
   "devDependencies": {
     "rimraf": "^2.6.1",
diff --git a/src/editor.ts b/src/editor.ts
index 8fb1d6c..d9fe229 100644
--- a/src/editor.ts
+++ b/src/editor.ts
@@ -61,7 +61,7 @@ class DrawioWidget extends Widget implements DocumentRegistry.IReadyWidget {
     }
 
     protected onAfterShow(msg: Message): void {
-        this.loadEditor(this.node);
+        this._loadEditor(this.node);
         this._onContentChanged();
     }
 
@@ -88,7 +88,7 @@ class DrawioWidget extends Widget implements DocumentRegistry.IReadyWidget {
         this.ready = Promise.resolve();
     }
 
-    private loadEditor(node: HTMLElement, contents?: string): void {
+    private _loadEditor(node: HTMLElement, contents?: string): void {
         // console.log(mx);
         var editorUiInit = mx.EditorUi.prototype.init;
         
@@ -97,15 +97,14 @@ class DrawioWidget extends Widget implements DocumentRegistry.IReadyWidget {
         mx.mxResources.loadDefaultBundle = false;
 
         // Fixes possible asynchronous requests
-        var bundle = grapheditor_txt;
         mx.mxResources.parse(grapheditor_txt);
         let oParser = new DOMParser();
         let oDOM = oParser.parseFromString(default_xml, "text/xml");
-        var themes = new Object();
+        let themes: any = new Object(null);
         themes[mx.Graph.prototype.defaultThemeName] = oDOM.documentElement;
         this._editor = new mx.EditorUi(new mx.Editor(false, themes), node);
 
-        this._editor.editor.graph.model.addListener(mx.mxEvent.NOTIFY, (sender, evt) => {
+        this._editor.editor.graph.model.addListener(mx.mxEvent.NOTIFY, (sender: any, evt: any) => {
             this._saveToContext();
         });
         return this._editor;
@@ -149,10 +148,6 @@ class DrawioWidget extends Widget implements DocumentRegistry.IReadyWidget {
         this.context.model.fromString(xml);
     }
 
-    public getSVG() : void {
-        return mx.mxUtils.getXml(this._editor.editor.graph.getSvg());
-    }
-
     private _onModelStateChanged(sender: DocumentRegistry.IModel, args: IChangedArgs<any>): void {
         if (args.name === 'dirty') {
             this._handleDirtyState();
@@ -167,12 +162,16 @@ class DrawioWidget extends Widget implements DocumentRegistry.IReadyWidget {
         }
     }
 
-    // TODO make this readonly, too
-    public ready : Promise<void>;
+    /**
+     * A promise that resolves when the csv viewer is ready.
+     */
+    get ready(): Promise<void> {
+        return this._ready.promise;
+    }
 
-    // TODO turn this into a readonly attribute.
-    public context : DocumentRegistry.Context;
-    public _editor : any;
+    readonly context: DocumentRegistry.Context;
+    private _editor : any;
+    private _ready = new PromiseDelegate<void>();
 }
 
 /**
diff --git a/src/index.ts b/src/index.ts
index 6d56d99..0cf4e58 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -9,22 +9,10 @@ import {
   ICommandPalette, InstanceTracker, IInstanceTracker
 } from '@jupyterlab/apputils';
 
-import {
-  PathExt
-} from '@jupyterlab/coreutils';
-
 import {
   IFileBrowserFactory
 } from '@jupyterlab/filebrowser';
 
-import {
-  IDocumentManager
-} from '@jupyterlab/docmanager';
-
-// import {
-//   drawio, drawioFactory, IDrawioTracker
-// } from '@jupyterlab/drawio';
-
 import {
   DrawioWidget, DrawioFactory
 } from './editor';
@@ -34,22 +22,13 @@ import {
 } from '@jupyterlab/launcher';
 
 import {
-  IEditMenu, IFileMenu, IMainMenu, IRunMenu, IViewMenu
+  IMainMenu
 } from '@jupyterlab/mainmenu';
 
 import {
-  JSONObject, Token
+  Token
 } from '@phosphor/coreutils';
 
-import {
-  Menu
-} from '@phosphor/widgets';
-
-/**
- * The class name for the text editor icon from the default theme.
- */
-const EDITOR_ICON_CLASS = 'jp-TextEditorIcon';
-
 /**
  * The name of the factory that creates editor widgets.
  */
@@ -66,7 +45,7 @@ const IDrawioTracker = new Token<IDrawioTracker>('drawio/tracki');
 const plugin: JupyterLabPlugin<IDrawioTracker> = {
   activate,
   id: '@jupyterlab/drawio-extension:plugin',
-  requires: [IFileBrowserFactory, ILayoutRestorer, IDocumentManager],
+  requires: [IFileBrowserFactory, ILayoutRestorer],
   optional: [ICommandPalette, ILauncher, IMainMenu],
   provides: IDrawioTracker,
   autoStart: true
@@ -74,15 +53,22 @@ const plugin: JupyterLabPlugin<IDrawioTracker> = {
 
 export default plugin;
 
-function activate(app: JupyterLab, 
-                  browserFactory: IFileBrowserFactory, restorer: ILayoutRestorer, docmanager: IDocumentManager,
+function activate(app: JupyterLab,
+                  browserFactory: IFileBrowserFactory, restorer: ILayoutRestorer,
                   palette: ICommandPalette | null, launcher: ILauncher | null, menu: IMainMenu | null): IDrawioTracker {
-
   const namespace = 'drawio';
   const factory = new DrawioFactory({ name: FACTORY, fileTypes: ['dio'], defaultFor: ['dio'] });
-  const { commands, restored } = app;
+  const { commands } = app;
   const tracker = new InstanceTracker<DrawioWidget>({ namespace });
 
+  /**
+   * Whether there is an active DrawIO editor.
+   */
+  function isEnabled(): boolean {
+    return tracker.currentWidget !== null &&
+           tracker.currentWidget === app.shell.currentWidget;
+  }
+
   // Handle state restoration.
   restorer.restore(tracker, {
     command: 'docmanager:open',
@@ -120,6 +106,7 @@ function activate(app: JupyterLab,
       });
     });
   };
+
   const createNewSVG = (cwd: string) => {
     return commands.execute('docmanager:new-untitled', {
       path: cwd, type: 'file', ext: '.svg'
@@ -131,7 +118,7 @@ function activate(app: JupyterLab,
     });
   };
 
-  // Add a command for creating a new text file.
+  // Add a command for creating a new diagram file.
   commands.addCommand('drawio:create-new', {
     label: 'Diagram',
     caption: 'Create a new diagram file',
@@ -142,19 +129,20 @@ function activate(app: JupyterLab,
   });
 
   commands.addCommand('drawio:export-svg', {
-    label: 'Export SVG',
+    label: 'Export diagram as SVG',
     caption: 'Export diagram as SVG',
     execute: () => {
       let cwd = browserFactory.defaultBrowser.model.path;
       return createNewSVG(cwd);
-    }
+    },
+    isEnabled
   });
 
   // Add a launcher item if the launcher is available.
   if (launcher) {
     launcher.add({
-      displayName: 'MXGraph',
-      name: 'MXGraph',
+      displayName: 'Diagram',
+      name: 'diagram',
       iconClass: 'jp-MaterialIcon jp-ImageIcon',
       callback: createNewDIO,
       rank: 1,
@@ -165,10 +153,14 @@ function activate(app: JupyterLab,
   if (menu) {
     // Add new text file creation to the file menu.
     menu.fileMenu.newMenu.addGroup([{ command: 'drawio:create-new' }], 40);
-    let args = { 'format': 'SVG', 'label': 'SVG', 'isPalette': true };
-    palette.addItem({ command: 'drawio:export-svg', category: 'Notebook Operations', args: args });
+    //let args = { 'format': 'SVG', 'label': 'SVG', 'isPalette': true };
+    //palette.addItem({ command: 'drawio:export-svg', category: 'Notebook Operations', args: args });
     menu.fileMenu.addGroup([{ command: 'drawio:export-svg'}], 40);
   }
 
+  if (palette) {
+    palette.addItem({ command: 'drawio:export-svg', category: 'DrawIO' });
+  }
+
   return tracker;
-}
\ No newline at end of file
+}
diff --git a/tsconfig.json b/tsconfig.json
index 64f2aad..e2e85ca 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,9 +1,9 @@
 {
   "compilerOptions": {
     "declaration": false,
-    "noImplicitAny": false,
+    "noImplicitAny": true,
     "noEmitOnError": true,
-    "noUnusedLocals": false,
+    "noUnusedLocals": true,
     "allowJs": true,
     "module": "commonjs",
     "moduleResolution": "node",
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 0000000..e6c8d6a
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,705 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@jupyterlab/application@^0.15.0":
+  version "0.15.2"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/application/-/application-0.15.2.tgz#2cc59b4c5fb26d3398d9ba7b6e0c9cc482244bdc"
+  dependencies:
+    "@jupyterlab/apputils" "^0.15.2"
+    "@jupyterlab/coreutils" "^1.0.4"
+    "@jupyterlab/docregistry" "^0.15.2"
+    "@jupyterlab/rendermime" "^0.15.2"
+    "@jupyterlab/rendermime-interfaces" "^1.0.4"
+    "@jupyterlab/services" "^1.1.2"
+    "@phosphor/algorithm" "^1.1.2"
+    "@phosphor/application" "^1.5.0"
+    "@phosphor/commands" "^1.4.0"
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/disposable" "^1.1.2"
+    "@phosphor/messaging" "^1.2.2"
+    "@phosphor/properties" "^1.1.2"
+    "@phosphor/signaling" "^1.2.2"
+    "@phosphor/widgets" "^1.5.0"
+
+"@jupyterlab/apputils@^0.15.0", "@jupyterlab/apputils@^0.15.2":
+  version "0.15.2"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/apputils/-/apputils-0.15.2.tgz#ac2c27d704c864e151c288fb4da2dcfa479c8860"
+  dependencies:
+    "@jupyterlab/coreutils" "^1.0.4"
+    "@jupyterlab/services" "^1.1.2"
+    "@phosphor/algorithm" "^1.1.2"
+    "@phosphor/commands" "^1.4.0"
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/disposable" "^1.1.2"
+    "@phosphor/domutils" "^1.1.2"
+    "@phosphor/messaging" "^1.2.2"
+    "@phosphor/properties" "^1.1.2"
+    "@phosphor/signaling" "^1.2.2"
+    "@phosphor/virtualdom" "^1.1.2"
+    "@phosphor/widgets" "^1.5.0"
+    "@types/react" "~16.0.19"
+    react "~16.0.0"
+    react-dom "~16.0.0"
+    sanitize-html "~1.14.3"
+
+"@jupyterlab/codeeditor@^0.15.2":
+  version "0.15.2"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/codeeditor/-/codeeditor-0.15.2.tgz#a7a33b6fa181964df05718d7b1e6e9f3e1000d1f"
+  dependencies:
+    "@jupyterlab/coreutils" "^1.0.4"
+    "@jupyterlab/observables" "^1.0.4"
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/disposable" "^1.1.2"
+    "@phosphor/messaging" "^1.2.2"
+    "@phosphor/signaling" "^1.2.2"
+    "@phosphor/virtualdom" "^1.1.2"
+    "@phosphor/widgets" "^1.5.0"
+
+"@jupyterlab/codemirror@^0.15.2":
+  version "0.15.2"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/codemirror/-/codemirror-0.15.2.tgz#7749429e3d46358f620064991d623e040f33fdfc"
+  dependencies:
+    "@jupyterlab/apputils" "^0.15.2"
+    "@jupyterlab/codeeditor" "^0.15.2"
+    "@jupyterlab/coreutils" "^1.0.4"
+    "@jupyterlab/observables" "^1.0.4"
+    "@phosphor/algorithm" "^1.1.2"
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/disposable" "^1.1.2"
+    "@phosphor/signaling" "^1.2.2"
+    codemirror "~5.24.2"
+
+"@jupyterlab/coreutils@^1.0.4":
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/coreutils/-/coreutils-1.0.4.tgz#242e198958b984fdcf319edfea932cefb34b9616"
+  dependencies:
+    "@phosphor/algorithm" "^1.1.2"
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/disposable" "^1.1.2"
+    "@phosphor/signaling" "^1.2.2"
+    ajv "~5.1.6"
+    comment-json "^1.1.3"
+    minimist "~1.2.0"
+    moment "~2.17.1"
+    path-posix "~1.0.0"
+    url-parse "~1.1.9"
+
+"@jupyterlab/docmanager@^0.15.2":
+  version "0.15.2"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/docmanager/-/docmanager-0.15.2.tgz#b49353fbd849a49627763f1a9709ccf73d4b87d5"
+  dependencies:
+    "@jupyterlab/apputils" "^0.15.2"
+    "@jupyterlab/coreutils" "^1.0.4"
+    "@jupyterlab/docregistry" "^0.15.2"
+    "@jupyterlab/services" "^1.1.2"
+    "@phosphor/algorithm" "^1.1.2"
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/disposable" "^1.1.2"
+    "@phosphor/messaging" "^1.2.2"
+    "@phosphor/properties" "^1.1.2"
+    "@phosphor/signaling" "^1.2.2"
+    "@phosphor/widgets" "^1.5.0"
+
+"@jupyterlab/docregistry@^0.15.2":
+  version "0.15.2"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/docregistry/-/docregistry-0.15.2.tgz#7590999456870e8867dad1a525815dce9efce8fb"
+  dependencies:
+    "@jupyterlab/apputils" "^0.15.2"
+    "@jupyterlab/codeeditor" "^0.15.2"
+    "@jupyterlab/codemirror" "^0.15.2"
+    "@jupyterlab/coreutils" "^1.0.4"
+    "@jupyterlab/observables" "^1.0.4"
+    "@jupyterlab/rendermime" "^0.15.2"
+    "@jupyterlab/rendermime-interfaces" "^1.0.4"
+    "@jupyterlab/services" "^1.1.2"
+    "@phosphor/algorithm" "^1.1.2"
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/disposable" "^1.1.2"
+    "@phosphor/messaging" "^1.2.2"
+    "@phosphor/signaling" "^1.2.2"
+    "@phosphor/widgets" "^1.5.0"
+
+"@jupyterlab/filebrowser@^0.15.0":
+  version "0.15.2"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/filebrowser/-/filebrowser-0.15.2.tgz#d0666e47d9e304065f3c88be0bdb5c59d34c0e3a"
+  dependencies:
+    "@jupyterlab/apputils" "^0.15.2"
+    "@jupyterlab/coreutils" "^1.0.4"
+    "@jupyterlab/docmanager" "^0.15.2"
+    "@jupyterlab/docregistry" "^0.15.2"
+    "@jupyterlab/services" "^1.1.2"
+    "@phosphor/algorithm" "^1.1.2"
+    "@phosphor/commands" "^1.4.0"
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/disposable" "^1.1.2"
+    "@phosphor/domutils" "^1.1.2"
+    "@phosphor/dragdrop" "^1.3.0"
+    "@phosphor/messaging" "^1.2.2"
+    "@phosphor/signaling" "^1.2.2"
+    "@phosphor/widgets" "^1.5.0"
+
+"@jupyterlab/launcher@^0.15.0":
+  version "0.15.2"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/launcher/-/launcher-0.15.2.tgz#cff5af362e4b69873189f9aedc342f0135542600"
+  dependencies:
+    "@jupyterlab/apputils" "^0.15.2"
+    "@phosphor/algorithm" "^1.1.2"
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/disposable" "^1.1.2"
+    "@phosphor/messaging" "^1.2.2"
+    "@phosphor/properties" "^1.1.2"
+    "@phosphor/widgets" "^1.5.0"
+    react "~16.0.0"
+
+"@jupyterlab/mainmenu@^0.4.0":
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/mainmenu/-/mainmenu-0.4.2.tgz#7accc73109774a584ef0f54336bf38f1113ff5aa"
+  dependencies:
+    "@jupyterlab/apputils" "^0.15.2"
+    "@jupyterlab/services" "^1.1.2"
+    "@phosphor/algorithm" "^1.1.2"
+    "@phosphor/commands" "^1.4.0"
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/disposable" "^1.1.2"
+    "@phosphor/widgets" "^1.5.0"
+
+"@jupyterlab/observables@^1.0.4":
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/observables/-/observables-1.0.4.tgz#7c46b52a6a3c1440478e12e6fc6e464cc0f21cbf"
+  dependencies:
+    "@phosphor/algorithm" "^1.1.2"
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/disposable" "^1.1.2"
+    "@phosphor/messaging" "^1.2.2"
+    "@phosphor/signaling" "^1.2.2"
+
+"@jupyterlab/rendermime-interfaces@^1.0.4":
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/rendermime-interfaces/-/rendermime-interfaces-1.0.4.tgz#98dddd8a103b12c146934dac242db60811b7c3a7"
+  dependencies:
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/widgets" "^1.5.0"
+
+"@jupyterlab/rendermime@^0.15.2":
+  version "0.15.2"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/rendermime/-/rendermime-0.15.2.tgz#af438810191317c49ddfde9ed456013515e719ff"
+  dependencies:
+    "@jupyterlab/apputils" "^0.15.2"
+    "@jupyterlab/codemirror" "^0.15.2"
+    "@jupyterlab/coreutils" "^1.0.4"
+    "@jupyterlab/observables" "^1.0.4"
+    "@jupyterlab/rendermime-interfaces" "^1.0.4"
+    "@jupyterlab/services" "^1.1.2"
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/messaging" "^1.2.2"
+    "@phosphor/signaling" "^1.2.2"
+    "@phosphor/widgets" "^1.5.0"
+    ansi_up "~1.3.0"
+    marked "~0.3.9"
+
+"@jupyterlab/services@^1.1.2":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/services/-/services-1.1.2.tgz#36af71b26a43a225b29fd03e8ced57d9598d7415"
+  dependencies:
+    "@jupyterlab/coreutils" "^1.0.4"
+    "@jupyterlab/observables" "^1.0.4"
+    "@phosphor/algorithm" "^1.1.2"
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/disposable" "^1.1.2"
+    "@phosphor/signaling" "^1.2.2"
+    node-fetch "~1.7.3"
+    ws "~1.1.4"
+
+"@phosphor/algorithm@^1.1.2":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@phosphor/algorithm/-/algorithm-1.1.2.tgz#fd1de9104c9a7f34e92864586ddf2e7f2e7779e8"
+
+"@phosphor/application@^1.5.0":
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/@phosphor/application/-/application-1.5.0.tgz#8d44677b1d62a54de90926bf25c921e7a5a25a49"
+  dependencies:
+    "@phosphor/commands" "^1.4.0"
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/widgets" "^1.5.0"
+
+"@phosphor/collections@^1.1.2":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@phosphor/collections/-/collections-1.1.2.tgz#c4c0b8b91129905fb36a9f243f2dbbde462dab8d"
+  dependencies:
+    "@phosphor/algorithm" "^1.1.2"
+
+"@phosphor/commands@^1.4.0":
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/@phosphor/commands/-/commands-1.4.0.tgz#7e236a4c015daf37a9586fde29188c3dac20162f"
+  dependencies:
+    "@phosphor/algorithm" "^1.1.2"
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/disposable" "^1.1.2"
+    "@phosphor/domutils" "^1.1.2"
+    "@phosphor/keyboard" "^1.1.2"
+    "@phosphor/signaling" "^1.2.2"
+
+"@phosphor/coreutils@^1.3.0":
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/@phosphor/coreutils/-/coreutils-1.3.0.tgz#63292d381c012c5ab0d0196e83ced829b7e04a42"
+
+"@phosphor/disposable@^1.1.2":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@phosphor/disposable/-/disposable-1.1.2.tgz#a192dd6a2e6c69d5d09d39ecf334dab93778060e"
+  dependencies:
+    "@phosphor/algorithm" "^1.1.2"
+
+"@phosphor/domutils@^1.1.2":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@phosphor/domutils/-/domutils-1.1.2.tgz#e2efeb052f398c42b93b89e9bab26af15cc00514"
+
+"@phosphor/dragdrop@^1.3.0":
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/@phosphor/dragdrop/-/dragdrop-1.3.0.tgz#7ce6ad39d6ca216d62a56f78104d02a77ae67307"
+  dependencies:
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/disposable" "^1.1.2"
+
+"@phosphor/keyboard@^1.1.2":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@phosphor/keyboard/-/keyboard-1.1.2.tgz#3e32234451764240a98e148034d5a8797422dd1f"
+
+"@phosphor/messaging@^1.1.0", "@phosphor/messaging@^1.2.2":
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/@phosphor/messaging/-/messaging-1.2.2.tgz#7d896ddd3797b94a347708ded13da5783db75c14"
+  dependencies:
+    "@phosphor/algorithm" "^1.1.2"
+    "@phosphor/collections" "^1.1.2"
+
+"@phosphor/properties@^1.1.2":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@phosphor/properties/-/properties-1.1.2.tgz#78cc77eff452839da02255de48e814946cc09a28"
+
+"@phosphor/signaling@^1.2.2":
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/@phosphor/signaling/-/signaling-1.2.2.tgz#3fcf97ca88e38bfb357fe8fe6bf7513347a514a9"
+  dependencies:
+    "@phosphor/algorithm" "^1.1.2"
+
+"@phosphor/virtualdom@^1.1.2":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@phosphor/virtualdom/-/virtualdom-1.1.2.tgz#ce55c86eef31e5d0e26b1dc96ea32bd684458f41"
+  dependencies:
+    "@phosphor/algorithm" "^1.1.2"
+
+"@phosphor/widgets@^1.5.0":
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/@phosphor/widgets/-/widgets-1.5.0.tgz#5f998e86f5fde78d8aa44d7dc147686ca661681e"
+  dependencies:
+    "@phosphor/algorithm" "^1.1.2"
+    "@phosphor/commands" "^1.4.0"
+    "@phosphor/coreutils" "^1.3.0"
+    "@phosphor/disposable" "^1.1.2"
+    "@phosphor/domutils" "^1.1.2"
+    "@phosphor/dragdrop" "^1.3.0"
+    "@phosphor/keyboard" "^1.1.2"
+    "@phosphor/messaging" "^1.2.2"
+    "@phosphor/properties" "^1.1.2"
+    "@phosphor/signaling" "^1.2.2"
+    "@phosphor/virtualdom" "^1.1.2"
+
+"@types/react@~16.0.19":
+  version "16.0.36"
+  resolved "https://registry.yarnpkg.com/@types/react/-/react-16.0.36.tgz#ceb5639013bdb92a94147883052e69bb2c22c69b"
+
+ajv@~5.1.6:
+  version "5.1.6"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.1.6.tgz#4b2f1a19dece93d57ac216037e3e9791c7dd1564"
+  dependencies:
+    co "^4.6.0"
+    json-schema-traverse "^0.3.0"
+    json-stable-stringify "^1.0.1"
+
+ansi_up@~1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/ansi_up/-/ansi_up-1.3.0.tgz#c9c946bfc0b9bb5eaa060684bf2abaafe68bbd44"
+
+asap@~2.0.3:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/asap/-/asap-2.0.6.tgz#e50347611d7e690943208bbdafebcbc2fb866d46"
+
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+
+brace-expansion@^1.1.7:
+  version "1.1.8"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.8.tgz#c07b211c7c952ec1f8efd51a77ef0d1d3990a292"
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
+co@^4.6.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
+
+codemirror@~5.24.2:
+  version "5.24.2"
+  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.24.2.tgz#b55ca950fa009709c37df68eb133310ed89cf2fe"
+
+comment-json@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/comment-json/-/comment-json-1.1.3.tgz#6986c3330fee0c4c9e00c2398cd61afa5d8f239e"
+  dependencies:
+    json-parser "^1.0.0"
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+
+core-js@^1.0.0:
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
+
+core-util-is@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
+
+dom-serializer@0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/dom-serializer/-/dom-serializer-0.1.0.tgz#073c697546ce0780ce23be4a28e293e40bc30c82"
+  dependencies:
+    domelementtype "~1.1.1"
+    entities "~1.1.1"
+
+domelementtype@1, domelementtype@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-1.3.0.tgz#b17aed82e8ab59e52dd9c19b1756e0fc187204c2"
+
+domelementtype@~1.1.1:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-1.1.3.tgz#bd28773e2642881aec51544924299c5cd822185b"
+
+domhandler@^2.3.0:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/domhandler/-/domhandler-2.4.1.tgz#892e47000a99be55bbf3774ffea0561d8879c259"
+  dependencies:
+    domelementtype "1"
+
+domutils@^1.5.1:
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/domutils/-/domutils-1.6.2.tgz#1958cc0b4c9426e9ed367fb1c8e854891b0fa3ff"
+  dependencies:
+    dom-serializer "0"
+    domelementtype "1"
+
+encoding@^0.1.11:
+  version "0.1.12"
+  resolved "https://registry.yarnpkg.com/encoding/-/encoding-0.1.12.tgz#538b66f3ee62cd1ab51ec323829d1f9480c74beb"
+  dependencies:
+    iconv-lite "~0.4.13"
+
+entities@^1.1.1, entities@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.1.tgz#6e5c2d0a5621b5dadaecef80b90edfb5cd7772f0"
+
+esprima@^2.7.0:
+  version "2.7.3"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
+
+fbjs@^0.8.16:
+  version "0.8.16"
+  resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.16.tgz#5e67432f550dc41b572bf55847b8aca64e5337db"
+  dependencies:
+    core-js "^1.0.0"
+    isomorphic-fetch "^2.1.1"
+    loose-envify "^1.0.0"
+    object-assign "^4.1.0"
+    promise "^7.1.1"
+    setimmediate "^1.0.5"
+    ua-parser-js "^0.7.9"
+
+fs-extra@^0.30.0:
+  version "0.30.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-0.30.0.tgz#f233ffcc08d4da7d432daa449776989db1df93f0"
+  dependencies:
+    graceful-fs "^4.1.2"
+    jsonfile "^2.1.0"
+    klaw "^1.0.0"
+    path-is-absolute "^1.0.0"
+    rimraf "^2.2.8"
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+
+glob@^7.0.5:
+  version "7.1.2"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
+  version "4.1.11"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
+
+htmlparser2@^3.9.0:
+  version "3.9.2"
+  resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-3.9.2.tgz#1bdf87acca0f3f9e53fa4fcceb0f4b4cbb00b338"
+  dependencies:
+    domelementtype "^1.3.0"
+    domhandler "^2.3.0"
+    domutils "^1.5.1"
+    entities "^1.1.1"
+    inherits "^2.0.1"
+    readable-stream "^2.0.2"
+
+iconv-lite@~0.4.13:
+  version "0.4.19"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2, inherits@^2.0.1, inherits@~2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+
+is-stream@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
+
+isarray@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
+
+isomorphic-fetch@^2.1.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/isomorphic-fetch/-/isomorphic-fetch-2.2.1.tgz#611ae1acf14f5e81f729507472819fe9733558a9"
+  dependencies:
+    node-fetch "^1.0.1"
+    whatwg-fetch ">=0.10.0"
+
+js-tokens@^3.0.0:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
+
+json-parser@^1.0.0:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/json-parser/-/json-parser-1.1.5.tgz#e62ec5261d1a6a5fc20e812a320740c6d9005677"
+  dependencies:
+    esprima "^2.7.0"
+
+json-schema-traverse@^0.3.0:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz#349a6d44c53a51de89b40805c5d5e59b417d3340"
+
+json-stable-stringify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz#9a759d39c5f2ff503fd5300646ed445f88c4f9af"
+  dependencies:
+    jsonify "~0.0.0"
+
+jsonfile@^2.1.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-2.4.0.tgz#3736a2b428b87bbda0cc83b53fa3d633a35c2ae8"
+  optionalDependencies:
+    graceful-fs "^4.1.6"
+
+jsonify@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
+
+klaw@^1.0.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/klaw/-/klaw-1.3.1.tgz#4088433b46b3b1ba259d78785d8e96f73ba02439"
+  optionalDependencies:
+    graceful-fs "^4.1.9"
+
+lodash.escaperegexp@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/lodash.escaperegexp/-/lodash.escaperegexp-4.1.2.tgz#64762c48618082518ac3df4ccf5d5886dae20347"
+
+loose-envify@^1.0.0, loose-envify@^1.1.0, loose-envify@^1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.3.1.tgz#d1a8ad33fa9ce0e713d65fdd0ac8b748d478c848"
+  dependencies:
+    js-tokens "^3.0.0"
+
+marked@~0.3.9:
+  version "0.3.12"
+  resolved "https://registry.yarnpkg.com/marked/-/marked-0.3.12.tgz#7cf25ff2252632f3fe2406bde258e94eee927519"
+
+minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  dependencies:
+    brace-expansion "^1.1.7"
+
+minimist@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+
+moment@~2.17.1:
+  version "2.17.1"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.17.1.tgz#fed9506063f36b10f066c8b59a144d7faebe1d82"
+
+node-fetch@^1.0.1, node-fetch@~1.7.3:
+  version "1.7.3"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.3.tgz#980f6f72d85211a5347c6b2bc18c5b84c3eb47ef"
+  dependencies:
+    encoding "^0.1.11"
+    is-stream "^1.0.1"
+
+object-assign@^4.1.0, object-assign@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+
+once@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  dependencies:
+    wrappy "1"
+
+options@>=0.0.5:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/options/-/options-0.0.6.tgz#ec22d312806bb53e731773e7cdaefcf1c643128f"
+
+path-is-absolute@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+
+path-posix@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/path-posix/-/path-posix-1.0.0.tgz#06b26113f56beab042545a23bfa88003ccac260f"
+
+process-nextick-args@~1.0.6:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
+
+promise@^7.1.1:
+  version "7.3.1"
+  resolved "https://registry.yarnpkg.com/promise/-/promise-7.3.1.tgz#064b72602b18f90f29192b8b1bc418ffd1ebd3bf"
+  dependencies:
+    asap "~2.0.3"
+
+prop-types@^15.6.0:
+  version "15.6.0"
+  resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.6.0.tgz#ceaf083022fc46b4a35f69e13ef75aed0d639856"
+  dependencies:
+    fbjs "^0.8.16"
+    loose-envify "^1.3.1"
+    object-assign "^4.1.1"
+
+querystringify@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-1.0.0.tgz#6286242112c5b712fa654e526652bf6a13ff05cb"
+
+react-dom@~16.0.0:
+  version "16.0.0"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.0.0.tgz#9cc3079c3dcd70d4c6e01b84aab2a7e34c303f58"
+  dependencies:
+    fbjs "^0.8.16"
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+    prop-types "^15.6.0"
+
+react@~16.0.0:
+  version "16.0.0"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.0.0.tgz#ce7df8f1941b036f02b2cca9dbd0cb1f0e855e2d"
+  dependencies:
+    fbjs "^0.8.16"
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+    prop-types "^15.6.0"
+
+readable-stream@^2.0.2:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~1.0.6"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.0.3"
+    util-deprecate "~1.0.1"
+
+requires-port@1.0.x:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
+
+rimraf@^2.2.8, rimraf@^2.6.1:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
+  dependencies:
+    glob "^7.0.5"
+
+safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
+
+sanitize-html@~1.14.3:
+  version "1.14.3"
+  resolved "https://registry.yarnpkg.com/sanitize-html/-/sanitize-html-1.14.3.tgz#62afd7c2d44ffd604599121d49e25b934e7a5514"
+  dependencies:
+    htmlparser2 "^3.9.0"
+    lodash.escaperegexp "^4.1.2"
+    xtend "^4.0.0"
+
+setimmediate@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.5.tgz#290cbb232e306942d7d7ea9b83732ab7856f8285"
+
+string_decoder@~1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.3.tgz#0fc67d7c141825de94282dd536bec6b9bce860ab"
+  dependencies:
+    safe-buffer "~5.1.0"
+
+typescript@~2.6.0:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.6.2.tgz#3c5b6fd7f6de0914269027f03c0946758f7673a4"
+
+ua-parser-js@^0.7.9:
+  version "0.7.17"
+  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.17.tgz#e9ec5f9498b9ec910e7ae3ac626a805c4d09ecac"
+
+ultron@1.0.x:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/ultron/-/ultron-1.0.2.tgz#ace116ab557cd197386a4e88f4685378c8b2e4fa"
+
+url-parse@~1.1.9:
+  version "1.1.9"
+  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.1.9.tgz#c67f1d775d51f0a18911dd7b3ffad27bb9e5bd19"
+  dependencies:
+    querystringify "~1.0.0"
+    requires-port "1.0.x"
+
+util-deprecate@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+
+whatwg-fetch@>=0.10.0:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.3.tgz#9c84ec2dcf68187ff00bc64e1274b442176e1c84"
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+
+ws@~1.1.4:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-1.1.5.tgz#cbd9e6e75e09fc5d2c90015f21f0c40875e0dd51"
+  dependencies:
+    options ">=0.0.5"
+    ultron "1.0.x"
+
+xtend@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"