101 行
2.8 KiB
TypeScript
101 行
2.8 KiB
TypeScript
import {Chat, ChatOptions, Request, Response, ResponseStream} from "../base";
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import {AxiosInstance, AxiosRequestConfig, CreateAxiosDefaults} from "axios";
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import {CreateAxiosProxy} from "../../utils/proxyAgent";
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import es from "event-stream";
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import {parseJSON} from "../../utils";
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import {Stream} from "stream";
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interface Message {
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role: string;
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content: string;
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}
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interface RealReq {
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messages: Message[];
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stream: boolean;
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model: string;
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temperature: number;
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presence_penalty: number;
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}
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export interface McbbsReq extends Request {
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options: {
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parse: string;
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messages: string;
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temperature: number;
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}
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}
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export class Mcbbs extends Chat {
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private client: AxiosInstance;
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constructor(options?: ChatOptions) {
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super(options);
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this.client = CreateAxiosProxy({
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baseURL: 'https://ai.mcbbs.gq/api',
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headers: {
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'Content-Type': 'application/json',
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"accept": "text/event-stream",
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"Cache-Control": "no-cache",
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"Proxy-Connection": "keep-alive"
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}
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} as CreateAxiosDefaults);
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}
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public async ask(req: McbbsReq): Promise<Response> {
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const res = await this.askStream(req)
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const result: Response = {
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text: '', other: {}
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}
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return new Promise(resolve => {
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res.text.on('data', (data) => {
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result.text += data;
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}).on('close', () => {
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resolve(result);
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})
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})
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}
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public async askStream(req: McbbsReq): Promise<ResponseStream> {
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const {
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messages,
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temperature = 1,
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parse = 'true'
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} = req.options;
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const data: RealReq = {
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stream: true,
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messages: JSON.parse(messages),
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temperature,
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presence_penalty: 2,
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model: 'gpt-3.5-turbo'
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};
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const res = await this.client.post('/openai/v1/chat/completions', data, {
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responseType: 'stream',
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} as AxiosRequestConfig);
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if (parse === 'false') {
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return {text: res.data}
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}
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return {
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text: this.parseData(res.data)
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};
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}
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parseData(v: Stream): Stream {
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return v.pipe(es.split(/\r?\n\r?\n/)).pipe(es.map(async (chunk: any, cb: any) => {
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const dataStr = chunk.replace('data: ', '');
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if (dataStr === '[Done]') {
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cb(null, '');
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return;
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}
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const data = parseJSON(dataStr, {});
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if (!data?.choices) {
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cb(null, '');
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return;
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}
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const [{delta: {content = ""}}] = data.choices;
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cb(null, content);
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}))
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}
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}
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