140 lines
4.6 KiB
TypeScript
140 lines
4.6 KiB
TypeScript
import { INode, INodeData, INodeParams } from '../../../src/Interface'
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import { getBaseClasses } from '../../../src/utils'
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import { ChatOpenAI, OpenAIChatInput } from 'langchain/chat_models/openai'
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class ChatOpenAI_ChatModels implements INode {
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label: string
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name: string
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type: string
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icon: string
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category: string
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description: string
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baseClasses: string[]
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inputs: INodeParams[]
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constructor() {
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this.label = 'ChatOpenAI'
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this.name = 'chatOpenAI'
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this.type = 'ChatOpenAI'
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this.icon = 'openai.png'
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this.category = 'Chat Models'
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this.description = 'Wrapper around OpenAI large language models that use the Chat endpoint'
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this.baseClasses = [this.type, ...getBaseClasses(ChatOpenAI)]
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this.inputs = [
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{
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label: 'OpenAI Api Key',
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name: 'openAIApiKey',
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type: 'password'
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},
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{
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label: 'Model Name',
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name: 'modelName',
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type: 'options',
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options: [
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{
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label: 'gpt-4',
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name: 'gpt-4'
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},
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{
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label: 'gpt-4-0314',
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name: 'gpt-4-0314'
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},
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{
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label: 'gpt-4-32k-0314',
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name: 'gpt-4-32k-0314'
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},
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{
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label: 'gpt-3.5-turbo',
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name: 'gpt-3.5-turbo'
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},
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{
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label: 'gpt-3.5-turbo-0301',
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name: 'gpt-3.5-turbo-0301'
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}
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],
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default: 'gpt-3.5-turbo',
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optional: true
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},
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{
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label: 'Temperature',
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name: 'temperature',
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type: 'number',
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default: 0.9,
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optional: true
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},
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{
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label: 'Max Tokens',
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name: 'maxTokens',
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type: 'number',
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optional: true,
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additionalParams: true
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},
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{
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label: 'Top Probability',
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name: 'topP',
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type: 'number',
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optional: true,
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additionalParams: true
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},
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{
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label: 'Frequency Penalty',
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name: 'frequencyPenalty',
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type: 'number',
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optional: true,
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additionalParams: true
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},
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{
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label: 'Presence Penalty',
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name: 'presencePenalty',
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type: 'number',
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optional: true,
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additionalParams: true
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},
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{
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label: 'Timeout',
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name: 'timeout',
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type: 'number',
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optional: true,
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additionalParams: true
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},
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{
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label: 'Streaming',
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name: 'streaming',
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type: 'boolean',
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optional: true,
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additionalParams: true
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}
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]
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}
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async init(nodeData: INodeData): Promise<any> {
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const temperature = nodeData.inputs?.temperature as string
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const modelName = nodeData.inputs?.modelName as string
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const openAIApiKey = nodeData.inputs?.openAIApiKey as string
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const maxTokens = nodeData.inputs?.maxTokens as string
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const topP = nodeData.inputs?.topP as string
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const frequencyPenalty = nodeData.inputs?.frequencyPenalty as string
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const presencePenalty = nodeData.inputs?.presencePenalty as string
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const timeout = nodeData.inputs?.timeout as string
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const streaming = nodeData.inputs?.streaming as boolean
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const obj: Partial<OpenAIChatInput> & { openAIApiKey?: string } = {
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temperature: parseInt(temperature, 10),
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modelName,
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openAIApiKey
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}
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if (maxTokens) obj.maxTokens = parseInt(maxTokens, 10)
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if (topP) obj.topP = parseInt(topP, 10)
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if (frequencyPenalty) obj.frequencyPenalty = parseInt(frequencyPenalty, 10)
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if (presencePenalty) obj.presencePenalty = parseInt(presencePenalty, 10)
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if (timeout) obj.timeout = parseInt(timeout, 10)
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if (streaming) obj.streaming = streaming
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const model = new ChatOpenAI(obj)
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return model
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}
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}
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module.exports = { nodeClass: ChatOpenAI_ChatModels }
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