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/userInviter.ts

@@ -0,0 +1,90 @@
+import { uniqBy } from "lodash";
+import { Role } from "@shared/types";
+import { User, Event, Team } from "@server/models";
+import mailer from "../mailer";
+
+type Invite = {
+  name: string;
+  email: string;
+  role: Role;
+};
+
+export default async function userInviter({
+  user,
+  invites,
+  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;
+  invites: Invite[];
+  ip: string;
+}): Promise<{
+  sent: Invite[];
+  // @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
+  users: User[];
+}> {
+  const team = await Team.findByPk(user.teamId);
+  // filter out empties and obvious non-emails
+  const compactedInvites = invites.filter(
+    (invite) => !!invite.email.trim() && invite.email.match("@")
+  );
+  // normalize to lowercase and remove duplicates
+  const normalizedInvites = uniqBy(
+    compactedInvites.map((invite) => ({
+      ...invite,
+      email: invite.email.toLowerCase(),
+    })),
+    "email"
+  );
+  // filter out any existing users in the system
+  const emails = normalizedInvites.map((invite) => invite.email);
+  const existingUsers = await User.findAll({
+    where: {
+      teamId: user.teamId,
+      email: emails,
+    },
+  });
+  // @ts-expect-error ts-migrate(7006) FIXME: Parameter 'user' implicitly has an 'any' type.
+  const existingEmails = existingUsers.map((user) => user.email);
+  const filteredInvites = normalizedInvites.filter(
+    (invite) => !existingEmails.includes(invite.email)
+  );
+  const users = [];
+
+  // send and record remaining invites
+  for (const invite of filteredInvites) {
+    const newUser = await User.create({
+      teamId: user.teamId,
+      name: invite.name,
+      email: invite.email,
+      service: null,
+      isAdmin: invite.role === "admin",
+      isViewer: invite.role === "viewer",
+    });
+    users.push(newUser);
+    await Event.create({
+      name: "users.invite",
+      actorId: user.id,
+      teamId: user.teamId,
+      data: {
+        email: invite.email,
+        name: invite.name,
+        role: invite.role,
+      },
+      ip,
+    });
+    await mailer.sendTemplate("invite", {
+      to: invite.email,
+      name: invite.name,
+      actorName: user.name,
+      actorEmail: user.email,
+      teamName: team.name,
+      teamUrl: team.url,
+    });
+  }
+
+  return {
+    sent: filteredInvites,
+    users,
+  };
+}