Move existing app into /app

app/src/modelProviders/replicate-llama2/getCompletion.ts

@@ -0,0 +1,60 @@
+import { env } from "~/env.mjs";
+import { type ReplicateLlama2Input, type ReplicateLlama2Output } from ".";
+import { type CompletionResponse } from "../types";
+import Replicate from "replicate";
+
+const replicate = new Replicate({
+  auth: env.REPLICATE_API_TOKEN || "",
+});
+
+const modelIds: Record<ReplicateLlama2Input["model"], string> = {
+  "7b-chat": "5ec5fdadd80ace49f5a2b2178cceeb9f2f77c493b85b1131002c26e6b2b13184",
+  "13b-chat": "6b4da803a2382c08868c5af10a523892f38e2de1aafb2ee55b020d9efef2fdb8",
+  "70b-chat": "2d19859030ff705a87c746f7e96eea03aefb71f166725aee39692f1476566d48",
+};
+
+export async function getCompletion(
+  input: ReplicateLlama2Input,
+  onStream: ((partialOutput: string[]) => void) | null,
+): Promise<CompletionResponse<ReplicateLlama2Output>> {
+  const start = Date.now();
+
+  const { model, ...rest } = input;
+
+  try {
+    const prediction = await replicate.predictions.create({
+      version: modelIds[model],
+      input: rest,
+    });
+
+    const interval = onStream
+      ? // eslint-disable-next-line @typescript-eslint/no-misused-promises
+        setInterval(async () => {
+          const partialPrediction = await replicate.predictions.get(prediction.id);
+
+          if (partialPrediction.output) onStream(partialPrediction.output as ReplicateLlama2Output);
+        }, 500)
+      : null;
+
+    const resp = await replicate.wait(prediction, {});
+    if (interval) clearInterval(interval);
+
+    const timeToComplete = Date.now() - start;
+
+    if (resp.error) throw new Error(resp.error as string);
+
+    return {
+      type: "success",
+      statusCode: 200,
+      value: resp.output as ReplicateLlama2Output,
+      timeToComplete,
+    };
+  } catch (error: unknown) {
+    console.error("ERROR IS", error);
+    return {
+      type: "error",
+      message: (error as Error).message,
+      autoRetry: true,
+    };
+  }
+}