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/policies/authenticationProvider.ts

@@ -0,0 +1,34 @@
+import { AuthenticationProvider, User, Team } from "@server/models";
+import { AdminRequiredError } from "../errors";
+import policy from "./policy";
+
+const { allow } = policy;
+
+allow(User, "createAuthenticationProvider", Team, (actor, team) => {
+  if (!team || actor.teamId !== team.id) return false;
+  if (actor.isAdmin) return true;
+
+  throw AdminRequiredError();
+});
+
+allow(
+  User,
+  "read",
+  AuthenticationProvider,
+
+  (actor, authenticationProvider) =>
+    actor && actor.teamId === authenticationProvider.teamId
+);
+
+allow(
+  User,
+  ["update", "delete"],
+  AuthenticationProvider,
+
+  (actor, authenticationProvider) => {
+    if (actor.teamId !== authenticationProvider.teamId) return false;
+    if (actor.isAdmin) return true;
+
+    throw AdminRequiredError();
+  }
+);