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/utils/updates.ts

@@ -0,0 +1,66 @@
+import crypto from "crypto";
+import fetch from "fetch-with-proxy";
+import invariant from "invariant";
+import { User, Team, Collection, Document } from "@server/models";
+import packageInfo from "../../package.json";
+import { client } from "../redis";
+
+const UPDATES_URL = "https://updates.getoutline.com";
+const UPDATES_KEY = "UPDATES_KEY";
+
+export async function checkUpdates() {
+  invariant(
+    process.env.SECRET_KEY && process.env.URL,
+    "SECRET_KEY or URL env var is not set"
+  );
+  const secret = process.env.SECRET_KEY.slice(0, 6) + process.env.URL;
+  const id = crypto.createHash("sha256").update(secret).digest("hex");
+  const [
+    userCount,
+    teamCount,
+    collectionCount,
+    documentCount,
+  ] = await Promise.all([
+    User.count(),
+    Team.count(),
+    Collection.count(),
+    Document.count(),
+  ]);
+  const body = JSON.stringify({
+    id,
+    version: 1,
+    clientVersion: packageInfo.version,
+    analytics: {
+      userCount,
+      teamCount,
+      collectionCount,
+      documentCount,
+    },
+  });
+  await client.del(UPDATES_KEY);
+
+  try {
+    const response = await fetch(UPDATES_URL, {
+      method: "POST",
+      headers: {
+        Accept: "application/json",
+        "Content-Type": "application/json",
+      },
+      body,
+    });
+    const data = await response.json();
+
+    if (data.severity) {
+      await client.set(
+        UPDATES_KEY,
+        JSON.stringify({
+          severity: data.severity,
+          message: data.message,
+          url: data.url,
+        })
+      );
+    }
+  } catch (_e) {
+    // no-op
+  }
+}