Package integrity updates

packages/javascript-extension/package.json

@@ -30,12 +30,11 @@
   },
   "dependencies": {
     "@jupyterlab/rendermime": "^0.16.2",
-    "@jupyterlab/rendermime-interfaces": "^1.0.9",
-    "@phosphor/widgets": "^1.5.0"
+    "@jupyterlab/rendermime-interfaces": "^1.0.9"
   },
   "devDependencies": {
     "rimraf": "~2.6.2",
-    "typescript": "~2.6.2"
+    "typescript": "~2.8.3"
   },
   "jupyterlab": {
     "mimeExtension": true

packages/rendermime/package.json

@@ -36,6 +36,7 @@
     "@jupyterlab/observables": "^1.0.9",
     "@jupyterlab/rendermime-interfaces": "^1.0.9",
     "@jupyterlab/services": "^2.0.2",
+    "@phosphor/algorithm": "^1.1.2",
     "@phosphor/coreutils": "^1.3.0",
     "@phosphor/messaging": "^1.2.2",
     "@phosphor/signaling": "^1.2.2",