From eb230a778fd7b4b9eee5f47c0bae88f10c5f5ccf Mon Sep 17 00:00:00 2001 From: Sarah Shader Date: Tue, 4 Jun 2024 11:38:02 -0400 Subject: [PATCH] Use Convex + Hono to power chat app --- convex/http.ts | 62 ++---- package-lock.json | 467 ++++------------------------------------------ package.json | 2 + 3 files changed, 49 insertions(+), 482 deletions(-) diff --git a/convex/http.ts b/convex/http.ts index 5428e37..4a83336 100644 --- a/convex/http.ts +++ b/convex/http.ts @@ -1,11 +1,20 @@ -import { httpRouter } from "convex/server"; -import { httpAction } from "./_generated/server"; +import { Hono } from "hono"; +import { HonoWithConvex, HttpRouterWithHono } from "convex-helpers/server/hono"; +import { ActionCtx } from "./_generated/server"; +import { cors } from "hono/cors"; import { openai } from "@ai-sdk/openai"; import { streamText } from "ai"; -export const chat = httpAction(async (ctx, req) => { +const app: HonoWithConvex = new Hono(); + +// See the [guide on Stack](https://stack.convex.dev/hono-with-convex) +// for tips on using Hono for HTTP endpoints. + +app.use("/api/*", cors()); + +app.post("/api/chat", async (c) => { // Extract the `messages` from the body of the request - const { messages } = await req.json(); + const { messages } = await c.req.json(); // Call the language model const result = await streamText({ @@ -19,48 +28,7 @@ export const chat = httpAction(async (ctx, req) => { }); // Respond with the stream - return result.toAIStreamResponse({ - headers: { - // e.g. https://mywebsite.com, configured on your Convex dashboard - "Access-Control-Allow-Origin": "*", - Vary: "origin", - }, - }); -}); - -const http = httpRouter(); - -http.route({ - path: "/api/chat", - method: "POST", - handler: chat, -}); - -http.route({ - path: "/api/chat", - method: "OPTIONS", - handler: httpAction(async (_, request) => { - // Make sure the necessary headers are present - // for this to be a valid pre-flight request - const headers = request.headers; - if ( - headers.get("Origin") !== null && - headers.get("Access-Control-Request-Method") !== null && - headers.get("Access-Control-Request-Headers") !== null - ) { - return new Response(null, { - headers: new Headers({ - "Access-Control-Allow-Origin": "*", - "Access-Control-Allow-Methods": "POST", - "Access-Control-Allow-Headers": "Content-Type, Digest", - "Access-Control-Max-Age": "86400", - }), - }); - } else { - return new Response(); - } - }), + return result.toAIStreamResponse(); }); -// Convex expects the router to be the default export of `convex/http.js`. -export default http; +export default new HttpRouterWithHono(app); diff --git a/package-lock.json b/package-lock.json index 67226ff..6b9fe75 100644 --- a/package-lock.json +++ b/package-lock.json @@ -11,6 +11,8 @@ "@ai-sdk/openai": "latest", "ai": "latest", "convex": "^1.12.1", + "convex-helpers": "^0.1.41", + "hono": "^4.4.3", "next": "latest", "openai": "4.47.1", "react": "^18", @@ -231,51 +233,6 @@ "node": ">=6.9.0" } }, - "node_modules/@esbuild/android-arm": { - "version": "0.17.19", - "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.17.19.tgz", - "integrity": "sha512-rIKddzqhmav7MSmoFCmDIb6e2W57geRsM94gV2l38fzhXMwq7hZoClug9USI2pFRGL06f4IOPHHpFNOkWieR8A==", - 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