整理した

src/models/poll-vote.ts

@@ -0,0 +1,13 @@
+import * as mongo from 'mongodb';
+import db from '../db/mongodb';
+
+const PollVote = db.get<IPollVote>('pollVotes');
+export default PollVote;
+
+export interface IPollVote {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	userId: mongo.ObjectID;
+	postId: mongo.ObjectID;
+	choice: number;
+}