feat: init

app/api/utils/stream.ts

@@ -0,0 +1,25 @@
+export async function OpenAIStream(res: { body: any }) {
+  const reader = res.body.getReader();
+
+  const stream = new ReadableStream({
+    // https://developer.mozilla.org/en-US/docs/Web/API/Streams_API/Using_readable_streams
+    // https://github.com/whichlight/chatgpt-api-streaming/blob/master/pages/api/OpenAIStream.ts
+    start(controller) {
+      return pump();
+      function pump() {
+        return reader.read().then(({ done, value }: any) => {
+          // When no more data needs to be consumed, close the stream
+          if (done) {
+            controller.close();
+            return;
+          }
+          // Enqueue the next data chunk into our target stream
+          controller.enqueue(value);
+          return pump();
+        });
+      }
+    },
+  });
+
+  return stream;
+}