chore: Move to Typescript (#2783)

This PR moves the entire project to Typescript. Due to the ~1000 ignores this will lead to a messy codebase for a while, but the churn is worth it – all of those ignore comments are places that were never type-safe previously.

closes #1282

server/commands/attachmentCreator.ts

@@ -0,0 +1,45 @@
+import { v4 as uuidv4 } from "uuid";
+import { Attachment, Event, User } from "@server/models";
+import { uploadToS3FromBuffer } from "@server/utils/s3";
+
+export default async function attachmentCreator({
+  name,
+  type,
+  buffer,
+  user,
+  source,
+  ip,
+}: {
+  name: string;
+  type: string;
+  buffer: Buffer;
+  // @ts-expect-error ts-migrate(2749) FIXME: 'User' refers to a value, but is being used as a t... Remove this comment to see the full error message
+  user: User;
+  source?: "import";
+  ip: string;
+}) {
+  const key = `uploads/${user.id}/${uuidv4()}/${name}`;
+  const acl = process.env.AWS_S3_ACL || "private";
+  const url = await uploadToS3FromBuffer(buffer, type, key, acl);
+  const attachment = await Attachment.create({
+    key,
+    acl,
+    url,
+    size: buffer.length,
+    contentType: type,
+    teamId: user.teamId,
+    userId: user.id,
+  });
+  await Event.create({
+    name: "attachments.create",
+    data: {
+      name,
+      source,
+    },
+    modelId: attachment.id,
+    teamId: user.teamId,
+    actorId: user.id,
+    ip,
+  });
+  return attachment;
+}