chore: add dispatchEntry(entry, request) example (#126)

examples/workerd-cli/e2e/helper.ts

@@ -23,7 +23,9 @@ export function createProcessHelper(
       listeners.add(listener);
     });
     const timeout = sleep(5000).then(() => {
-      throw new Error("waitFor timeout", { cause: stdout });
+      const error = new Error("waitFor timeout", { cause: stdout });
+      Error.captureStackTrace(error, waitFor);
+      throw error;
     });
     return Promise.race([promise, timeout]);
   }

examples/workerd-cli/src/cli.ts

@@ -53,18 +53,21 @@ async function main() {
     if (!cmd.includes("return")) {
       cmd = `return ${cmd}`;
     }
-    // TODO: we can invalidate virtual entry after eval
-    const entrySource = `export default async function (env) { ${cmd} }`;
-    const entry = "virtual:eval/" + encodeURI(entrySource);
-    await devEnv.api.eval({
-      entry,
-      fn: async ({ mod, env }) => {
-        const result = await mod.default(env);
-        if (typeof result !== "undefined") {
-          console.log(result);
+    const entrySource = `
+      async function run(env) { ${cmd} };
+
+      export default {
+        async fetch(request, env) {
+          const result = await run(env);
+          if (typeof result !== "undefined") {
+            console.log(result);
+          }
+          return new Response(null);
         }
-      },
-    });
+      }
+    `;
+    const entry = "virtual:eval/" + encodeURI(entrySource);
+    await devEnv.api.dispatchFetch(entry, new Request("http://localhost"));
   }
 
   const replServer = repl.start({

packages/workerd/src/worker.ts

@@ -70,7 +70,8 @@ export class RunnerObject implements DurableObject {
     const handler = mod.default as ExportedHandler;
     tinyassert(handler.fetch);
 
-    return handler.fetch(request, this.#env, {
+    const env = objectPickBy(this.#env, (_v, k) => !k.startsWith("__vite"));
+    return handler.fetch(request, env, {
       waitUntil(_promise: Promise<any>) {},
       passThroughOnException() {},
       abort(_reason?: any) {},