Initial setup

deno_server.ts

@@ -0,0 +1,73 @@
+// isolator/deno_server.ts
+import { serve } from "https://deno.land/std@0.201.0/http/server.ts";
+
+const TIMEOUT_MS = 5_000;
+const States = Object.freeze({
+  TIMEOUT: "TIMEOUT",
+});
+
+async function handler(req: Request): Promise<Response> {
+  if (req.method !== "POST" || new URL(req.url).pathname !== "/execute") {
+    return new Response("Not Found", { status: 404 });
+  }
+
+  try {
+    const body = await req.json();
+    const { code = "", request = {}, environment = {}, name } = body;
+
+    const worker = new Worker(new URL("./worker.ts", import.meta.url).href, {
+      type: "module",
+      // The `deno` option is now stable, but your editor might show a TS error
+      // if it's not configured for Deno. This will run correctly with Deno.
+      deno: {
+        namespace: true, // recommended for workers
+        permissions: "inherit",
+      },
+    });
+
+    const executionPromise = new Promise((resolve, reject) => {
+      worker.onmessage = (e) => {
+        resolve(e.data);
+        worker.terminate();
+      };
+      worker.onerror = (e) => {
+        reject(new Error(`Worker error: ${e.message}`));
+        worker.terminate();
+      };
+    });
+
+    const timeoutPromise = new Promise((_, reject) =>
+      setTimeout(() => reject(new Error("Timeout")), TIMEOUT_MS)
+    );
+
+    worker.postMessage({ code, request, environment, name });
+
+    const startTime = performance.now();
+    try {
+      const result = await Promise.race([executionPromise, timeoutPromise]);
+      return new Response(JSON.stringify(result), {
+        headers: { "Content-Type": "application/json" },
+      });
+    } catch (err) {
+      worker.terminate();
+      const executionTime = performance.now() - startTime;
+      const payload = {
+        status: States.TIMEOUT,
+        result: err.message,
+        logs: [],
+        environment: environment,
+        execution_time: executionTime,
+      };
+      return new Response(JSON.stringify(payload), {
+        status: 500,
+        headers: { "Content-Type": "application/json" },
+      });
+    }
+  } catch (e) {
+    return new Response(`Bad Request: ${e.message}`, { status: 400 });
+  }
+}
+
+console.log("⚡ Deno server ready on :8000");
+
+await serve(handler, { port: 8000 });