strictNullChecks (#4666)

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src/queue/processors/db/export-notes.ts

@@ -9,15 +9,18 @@ import { Users, Notes, Polls } from '../../../models';
 import { MoreThan } from 'typeorm';
 import { Note } from '../../../models/entities/note';
 import { Poll } from '../../../models/entities/poll';
+import { ensure } from '../../../prelude/ensure';
 
 const logger = queueLogger.createSubLogger('export-notes');
 
 export async function exportNotes(job: Bull.Job, done: any): Promise<void> {
 	logger.info(`Exporting notes of ${job.data.user.id} ...`);
 
-	const user = await Users.findOne({
-		id: job.data.user.id
-	});
+	const user = await Users.findOne(job.data.user.id);
+	if (user == null) {
+		done();
+		return;
+	}
 
 	// Create temp file
 	const [path, cleanup] = await new Promise<[string, any]>((res, rej) => {
@@ -67,9 +70,9 @@ export async function exportNotes(job: Bull.Job, done: any): Promise<void> {
 		cursor = notes[notes.length - 1].id;
 
 		for (const note of notes) {
-			let poll: Poll;
+			let poll: Poll | undefined;
 			if (note.hasPoll) {
-				poll = await Polls.findOne({ noteId: note.id });
+				poll = await Polls.findOne({ noteId: note.id }).then(ensure);
 			}
 			const content = JSON.stringify(serialize(note, poll));
 			await new Promise((res, rej) => {
@@ -114,7 +117,7 @@ export async function exportNotes(job: Bull.Job, done: any): Promise<void> {
 	done();
 }
 
-function serialize(note: Note, poll: Poll): any {
+function serialize(note: Note, poll: Poll | null = null): any {
 	return {
 		id: note.id,
 		text: note.text,