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/logging/sentry.ts

@@ -0,0 +1,63 @@
+import * as Sentry from "@sentry/node";
+import env from "@server/env";
+import { ContextWithState } from "../types";
+
+if (env.SENTRY_DSN) {
+  Sentry.init({
+    dsn: env.SENTRY_DSN,
+    environment: env.ENVIRONMENT,
+    release: env.RELEASE,
+    maxBreadcrumbs: 0,
+    ignoreErrors: [
+      // emitted by Koa when bots attempt to snoop on paths such as wp-admin
+      // or the user client submits a bad request. These are expected in normal
+      // running of the application and don't need to be reported.
+      "BadRequestError",
+      "UnauthorizedError",
+    ],
+  });
+}
+
+export function requestErrorHandler(error: any, ctx: ContextWithState) {
+  // we don't need to report every time a request stops to the bug tracker
+  if (error.code === "EPIPE" || error.code === "ECONNRESET") {
+    console.warn("Connection error", {
+      error,
+    });
+    return;
+  }
+
+  if (process.env.SENTRY_DSN) {
+    Sentry.withScope(function (scope) {
+      const requestId = ctx.headers["x-request-id"];
+
+      if (requestId) {
+        scope.setTag("request_id", requestId as string);
+      }
+
+      const authType = ctx.state ? ctx.state.authType : undefined;
+
+      if (authType) {
+        scope.setTag("auth_type", authType);
+      }
+
+      const userId =
+        ctx.state && ctx.state.user ? ctx.state.user.id : undefined;
+
+      if (userId) {
+        scope.setUser({
+          id: userId,
+        });
+      }
+
+      scope.addEventProcessor(function (event) {
+        return Sentry.Handlers.parseRequest(event, ctx.request);
+      });
+      Sentry.captureException(error);
+    });
+  } else {
+    console.error(error);
+  }
+}
+
+export default Sentry;