smartai/ts/classes.conversation.ts
2024-04-04 02:47:44 +02:00

89 lines
2.5 KiB
TypeScript

import type { SmartAi } from "./classes.smartai.js";
import { OpenAiProvider } from "./provider.openai.js";
type TProcessFunction = (input: string) => Promise<string>;
export interface IConversationOptions {
processFunction: TProcessFunction;
}
/**
* a conversation
*/
export class Conversation {
// STATIC
public static async createWithOpenAi(smartaiRef: SmartAi) {
const openaiProvider = new OpenAiProvider(smartaiRef.options.openaiToken);
const conversation = new Conversation(smartaiRef, {
processFunction: async (input) => {
return '' // TODO implement proper streaming
}
});
return conversation;
}
public static async createWithAnthropic(smartaiRef: SmartAi) {
const anthropicProvider = new OpenAiProvider(smartaiRef.options.anthropicToken);
const conversation = new Conversation(smartaiRef, {
processFunction: async (input) => {
return '' // TODO implement proper streaming
}
});
return conversation;
}
// INSTANCE
smartaiRef: SmartAi
private systemMessage: string;
private processFunction: TProcessFunction;
private inputStreamWriter: WritableStreamDefaultWriter<string> | null = null;
private outputStreamController: ReadableStreamDefaultController<string> | null = null;
constructor(smartairefArg: SmartAi, options: IConversationOptions) {
this.processFunction = options.processFunction;
}
setSystemMessage(systemMessage: string) {
this.systemMessage = systemMessage;
}
private setupOutputStream(): ReadableStream<string> {
return new ReadableStream<string>({
start: (controller) => {
this.outputStreamController = controller;
}
});
}
private setupInputStream(): WritableStream<string> {
return new WritableStream<string>({
write: async (chunk) => {
const processedData = await this.processFunction(chunk);
if (this.outputStreamController) {
this.outputStreamController.enqueue(processedData);
}
},
close: () => {
this.outputStreamController?.close();
},
abort: (err) => {
console.error('Stream aborted', err);
this.outputStreamController?.error(err);
}
});
}
public getInputStreamWriter(): WritableStreamDefaultWriter<string> {
if (!this.inputStreamWriter) {
const inputStream = this.setupInputStream();
this.inputStreamWriter = inputStream.getWriter();
}
return this.inputStreamWriter;
}
public getOutputStream(): ReadableStream<string> {
return this.setupOutputStream();
}
}