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/userSuspender.ts

@@ -0,0 +1,52 @@
+import { Transaction } from "sequelize";
+import { User, Event, GroupUser } from "@server/models";
+import { ValidationError } from "../errors";
+import { sequelize } from "../sequelize";
+
+export default async function userSuspender({
+  user,
+  actorId,
+  ip,
+}: {
+  // @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;
+  actorId: string;
+  ip: string;
+}): Promise<void> {
+  if (user.id === actorId) {
+    throw ValidationError("Unable to suspend the current user");
+  }
+
+  await sequelize.transaction(async (transaction: Transaction) => {
+    await user.update(
+      {
+        suspendedById: actorId,
+        suspendedAt: new Date(),
+      },
+      {
+        transaction,
+      }
+    );
+    await GroupUser.destroy({
+      where: {
+        userId: user.id,
+      },
+      transaction,
+    });
+    await Event.create(
+      {
+        name: "users.suspend",
+        actorId,
+        userId: user.id,
+        teamId: user.teamId,
+        data: {
+          name: user.name,
+        },
+        ip,
+      },
+      {
+        transaction,
+      }
+    );
+  });
+}