chore(providers/llamaindex): extract to separate package (#5934)

Author: samdenty

.changeset/famous-fans-provide.md

@@ -0,0 +1,5 @@
+---
+'ai': patch
+---
+
+chore(providers/llamaindex): extract to separate package

content/docs/07-reference/04-stream-helpers/16-llamaindex-adapter.mdx

@@ -1,11 +1,11 @@
 ---
-title: LlamaIndexAdapter
-description: API Reference for LlamaIndexAdapter.
+title: @ai-sdk/llamaindex Adapter
+description: API Reference for the LlamaIndex Adapter.
 ---
 
-# `LlamaIndexAdapter`
+# `@ai-sdk/llamaindex`
 
-The `LlamaIndexAdapter` module provides helper functions to transform LlamaIndex output streams into data streams and data stream responses.
+The `@ai-sdk/llamaindex` package provides helper functions to transform LlamaIndex output streams into data streams and data stream responses.
 See the [LlamaIndex Adapter documentation](/providers/adapters/llamaindex) for more information.
 
 It supports:
@@ -15,7 +15,10 @@ It supports:
 
 ## Import
 
-<Snippet text={`import { LlamaIndexAdapter } from "ai"`} prompt={false} />
+<Snippet
+  text={`import { toDataResponse } from "@ai-sdk/llamaindex"`}
+  prompt={false}
+/>
 
 ## API Signature
 
@@ -49,7 +52,7 @@ It supports:
 
 ```tsx filename="app/api/completion/route.ts" highlight="15"
 import { OpenAI, SimpleChatEngine } from 'llamaindex';
-import { LlamaIndexAdapter } from 'ai';
+import { toDataStreamResponse } from '@ai-sdk/llamaindex';
 
 export async function POST(req: Request) {
   const { prompt } = await req.json();
@@ -62,6 +65,6 @@ export async function POST(req: Request) {
     stream: true,
   });
 
-  return LlamaIndexAdapter.toDataStreamResponse(stream);
+  return toDataStreamResponse(stream);
 }
 ```

content/docs/07-reference/04-stream-helpers/index.mdx

@@ -81,12 +81,6 @@ collapsed: true
         "Transforms the response from LangChain's language models into a readable stream.",
       href: '/docs/reference/stream-helpers/langchain-stream',
     },
-    {
-      title: 'LlamaIndexAdapter',
-      description:
-        "Transforms the response from LlamaIndex's streams into data streams.",
-      href: '/docs/reference/stream-helpers/llamaindex-adapter',
-    },
     {
       title: 'MistralStream',
       description:

content/providers/04-adapters/02-llamaindex.mdx

@@ -11,11 +11,11 @@ description: Learn how to use LlamaIndex with the AI SDK.
 
 Here is a basic example that uses both AI SDK and LlamaIndex together with the [Next.js](https://nextjs.org/docs) App Router.
 
-The AI SDK [`LlamaIndexAdapter`](/docs/reference/stream-helpers/llamaindex-adapter) uses the stream result from calling the `chat` method on a [LlamaIndex ChatEngine](https://ts.llamaindex.ai/modules/chat_engine) or the `query` method on a [LlamaIndex QueryEngine](https://ts.llamaindex.ai/modules/query_engines) to pipe text to the client.
+The AI SDK [`@ai-sdk/llamaindex` package](/docs/reference/stream-helpers/llamaindex-adapter) uses the stream result from calling the `chat` method on a [LlamaIndex ChatEngine](https://ts.llamaindex.ai/modules/chat_engine) or the `query` method on a [LlamaIndex QueryEngine](https://ts.llamaindex.ai/modules/query_engines) to pipe text to the client.
 
 ```tsx filename="app/api/completion/route.ts" highlight="17"
 import { OpenAI, SimpleChatEngine } from 'llamaindex';
-import { LlamaIndexAdapter } from 'ai';
+import { toDataStreamResponse } from '@ai-sdk/llamaindex';
 
 export const maxDuration = 60;
 
@@ -30,7 +30,7 @@ export async function POST(req: Request) {
     stream: true,
   });
 
-  return LlamaIndexAdapter.toDataStreamResponse(stream);
+  return toDataStreamResponse(stream);
 }
 ```
 

packages/ai/streams/index.ts

@@ -1,5 +1,3 @@
 export * from '../core/index';
 export * from '../errors/index';
-
-export * as LlamaIndexAdapter from './llamaindex-adapter';
 export * from './stream-data';

packages/llamaindex/CHANGELOG.md

@@ -0,0 +1,3 @@
+# AI SDK - LlamaIndex Adapter
+
+This package contains a LlamaIndex adapter for the AI SDK.

packages/llamaindex/README.md

@@ -0,0 +1,61 @@
+{
+  "name": "@ai-sdk/llamaindex",
+  "version": "1.0.0-canary.0",
+  "license": "Apache-2.0",
+  "sideEffects": false,
+  "main": "./dist/index.js",
+  "module": "./dist/index.mjs",
+  "types": "./dist/index.d.ts",
+  "files": [
+    "dist/**/*",
+    "CHANGELOG.md"
+  ],
+  "scripts": {
+    "build": "pnpm clean && tsup --tsconfig tsconfig.build.json",
+    "build:watch": "pnpm clean && tsup --watch",
+    "clean": "rm -rf dist *.tsbuildinfo",
+    "lint": "eslint \"./**/*.ts*\"",
+    "type-check": "tsc --build",
+    "prettier-check": "prettier --check \"./**/*.ts*\"",
+    "test": "pnpm test:node && pnpm test:edge",
+    "test:update": "pnpm test:node -u",
+    "test:watch": "vitest --config vitest.node.config.js",
+    "test:edge": "vitest --config vitest.edge.config.js --run",
+    "test:node": "vitest --config vitest.node.config.js --run"
+  },
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.mjs",
+      "require": "./dist/index.js"
+    }
+  },
+  "dependencies": {
+    "ai": "workspace:*",
+    "@ai-sdk/provider-utils": "workspace:*"
+  },
+  "devDependencies": {
+    "@types/node": "20.17.24",
+    "@vercel/ai-tsconfig": "workspace:*",
+    "tsup": "^8",
+    "typescript": "5.8.3"
+  },
+  "engines": {
+    "node": ">=18"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "homepage": "https://sdk.vercel.ai/docs",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/vercel/ai.git"
+  },
+  "bugs": {
+    "url": "https://github.com/vercel/ai/issues"
+  },
+  "keywords": [
+    "ai"
+  ]
+}

packages/llamaindex/package.json

@@ -0,0 +1 @@
+export * from './llamaindex-adapter';

packages/llamaindex/src/index.ts

@@ -8,7 +8,7 @@ import {
   toDataStream,
   toDataStreamResponse,
 } from './llamaindex-adapter';
-import { createDataStream } from '../core';
+import { createDataStream } from 'ai';
 
 describe('toDataStream', () => {
   it('should convert AsyncIterable<EngineResponse>', async () => {