Code review

langchain/scripts/create-entrypoints.js

@@ -216,23 +216,10 @@ const updateConfig = () => {
             require: `./${key}.cjs`,
           };
 
-          // If there is a *.lite.js file add it as the root `import` export,
-          // which should/will then be used by non-Node environments.
-          const litePath = `./dist/${entrypoints[key]}.lite.js`;
-
           if (deprecatedNodeOnly.includes(key)) {
             entryPoint = {
               node: entryPoint,
             };
-          } else if (fs.existsSync(litePath)) {
-            const { types, ...rest } = entryPoint;
-            entryPoint = {
-              types,
-              node: rest,
-              import: litePath,
-              require: `./dist/${entrypoints[key]}.lite.cjs`,
-              default: litePath,
-            };
           }
 
           return [key === "index" ? "." : `./${key}`, entryPoint];

test-exports-vercel/src/pages/api/hello-edge.ts

@@ -57,7 +57,8 @@ export default async function handler(req: NextRequest) {
     ]),
   });
 
-  // Run the chain but don't await it
+  // Run the chain but don't await it, otherwise the response will start
+  // only after the chain is done
   chain.run("hello").catch(console.error);
 
   return new NextResponse(stream.readable, {