42 lines
982 B
TypeScript
42 lines
982 B
TypeScript
|
import dotenv from 'dotenv'
|
||
|
|
import { ChatGPTAPI } from 'chatgpt'
|
||
|
|
import express from 'express'
|
||
|
|
|
||
|
|
dotenv.config()
|
||
|
|
|
||
|
|
const app = express()
|
||
|
|
|
||
|
|
app.use(express.json())
|
||
|
|
|
||
|
|
async function chatAPI(message: string) {
|
||
|
|
if (!message)
|
||
|
|
throw new Error('Message is not defined')
|
||
|
|
|
||
|
|
if (!process.env.OPENAI_API_KEY)
|
||
|
|
throw new Error('OPENAI_API_KEY is not defined in .env file')
|
||
|
|
|
||
|
|
try {
|
||
|
|
const api = new ChatGPTAPI({ apiKey: process.env.OPENAI_API_KEY })
|
||
|
|
const res = await api.sendMessage(message)
|
||
|
|
return res
|
||
|
|
}
|
||
|
|
catch (error) {
|
||
|
|
return error
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
app.all('*', (req, res, next) => {
|
||
|
|
res.header('Access-Control-Allow-Origin', '*')
|
||
|
|
res.header('Access-Control-Allow-Headers', 'Content-Type')
|
||
|
|
res.header('Access-Control-Allow-Methods', '*')
|
||
|
|
next()
|
||
|
|
})
|
||
|
|
|
||
|
|
app.listen(3002, () => globalThis.console.log('Server is running on port 3002'))
|
||
|
|
|
||
|
|
app.post('/chat', async (req, res) => {
|
||
|
|
const { message } = req.body
|
||
|
|
const response = await chatAPI(message)
|
||
|
|
res.send(response)
|
||
|
|
})
|