fix(deps): Updates the Node Mongo Driver to v3.

package.json

@@ -44,7 +44,7 @@
     "knex": "^0.14.0",
     "lodash": "^4.17.4",
     "moment": "^2.18.1",
-    "mongodb": "^2.2.29",
+    "mongodb": "^3.0.1",
     "morgan": "^1.8.2",
     "newrelic": "^2.3.1",
     "rulr": "^4.0.1",
@@ -63,7 +63,7 @@
     "@types/lodash": "4.14.92",
     "@types/mocha": "2.2.46",
     "@types/moment": "2.13.0",
-    "@types/mongodb": "2.2.18",
+    "@types/mongodb": "^2.2.18",
     "@types/morgan": "1.7.35",
     "@types/uuid": "3.4.3",
     "@types/winston": "2.3.7",
@@ -80,4 +80,4 @@
   "publishConfig": {
     "access": "public"
   }
-}
+}

src/mongoRepo/utils/connectToDb.ts

@@ -0,0 +1,11 @@
+import { Db, MongoClient } from 'mongodb';
+
+export interface Opts {
+  readonly dbName: string;
+  readonly url: string;
+}
+
+export default async ({ dbName, url }: Opts): Promise<Db> => {
+  const client = await MongoClient.connect(url);
+  return client.db(dbName);
+};