Use @ts-ignore instead of @ts-expect-error

end2end/tests/import-middleware-ts.test.js

@@ -0,0 +1,15 @@
+const t = require("tap");
+const { execSync } = require("child_process");
+const { resolve } = require("path");
+
+const pathToApp = resolve(__dirname, "../../sample-apps/import-middleware-ts");
+
+t.test("it passes type check when skipLibCheck is set to false", async (t) => {
+  try {
+    execSync(`npm run type-check`, {
+      cwd: pathToApp,
+    });
+  } catch (error) {
+    t.fail(error.stdout.toString());
+  }
+});

sample-apps/import-middleware-ts/README.md

@@ -0,0 +1 @@
+# import-middleware-ts

sample-apps/import-middleware-ts/app.ts

@@ -0,0 +1,40 @@
+import Zen from "@aikidosec/firewall";
+import express from "express";
+import morgan from "morgan";
+
+async function main(port: number) {
+  const app = express();
+
+  app.use(morgan("tiny"));
+  app.use(express.json());
+
+  Zen.addExpressMiddleware(app);
+
+  app.get("/", (_, res) => {
+    res.send("Hello World!");
+  });
+
+  return new Promise<void>((resolve, reject) => {
+    try {
+      app.listen(port, () => {
+        console.log(`Listening on port ${port}`);
+        resolve();
+      });
+    } catch (err) {
+      reject(err);
+    }
+  });
+}
+
+function getPort() {
+  const port = parseInt(process.argv[2], 10) || 4000;
+
+  if (isNaN(port)) {
+    console.error("Invalid port");
+    process.exit(1);
+  }
+
+  return port;
+}
+
+main(getPort());