76 lines
1.9 KiB
TypeScript
76 lines
1.9 KiB
TypeScript
import { generateUUID } from '@/lib/utils';
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import { tool, type UIMessageStreamWriter } from 'ai';
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import { z } from 'zod';
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import type { Session } from 'next-auth';
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import {
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artifactKinds,
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documentHandlersByArtifactKind,
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} from '@/lib/artifacts/server';
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import type { ChatMessage } from '@/lib/types';
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interface CreateDocumentProps {
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session: Session;
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dataStream: UIMessageStreamWriter<ChatMessage>;
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}
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export const createDocument = ({ session, dataStream }: CreateDocumentProps) =>
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tool({
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description:
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'Create a document for a writing or content creation activities. This tool will call other functions that will generate the contents of the document based on the title and kind.',
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inputSchema: z.object({
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title: z.string(),
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kind: z.enum(artifactKinds),
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}),
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execute: async ({ title, kind }) => {
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const id = generateUUID();
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dataStream.write({
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type: 'data-kind',
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data: kind,
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transient: true,
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});
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dataStream.write({
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type: 'data-id',
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data: id,
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transient: true,
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});
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dataStream.write({
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type: 'data-title',
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data: title,
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transient: true,
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});
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dataStream.write({
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type: 'data-clear',
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data: null,
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transient: true,
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});
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const documentHandler = documentHandlersByArtifactKind.find(
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(documentHandlerByArtifactKind) =>
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documentHandlerByArtifactKind.kind === kind,
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);
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if (!documentHandler) {
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throw new Error(`No document handler found for kind: ${kind}`);
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}
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await documentHandler.onCreateDocument({
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id,
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title,
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dataStream,
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session,
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});
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dataStream.write({ type: 'data-finish', data: null, transient: true });
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return {
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id,
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title,
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kind,
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content: 'A document was created and is now visible to the user.',
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};
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},
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});
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