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import { OpenAIBaseInput } from 'langchain/dist/types/openai-types'
import { INode, INodeData, INodeParams } from '../../../src/Interface'
import { getBaseClasses } from '../../../src/utils'
import { AzureOpenAIInput, ChatOpenAI } from 'langchain/chat_models/openai'
class AzureChatOpenAI_ChatModels implements INode {
label: string
name: string
type: string
icon: string
category: string
description: string
baseClasses: string[]
inputs: INodeParams[]
constructor() {
this.label = 'Azure ChatOpenAI'
this.name = 'azureChatOpenAI'
this.type = 'AzureChatOpenAI'
this.icon = 'Azure.svg'
this.category = 'Chat Models'
this.description = 'Wrapper around Azure OpenAI large language models that use the Chat endpoint'
this.baseClasses = [this.type, ...getBaseClasses(ChatOpenAI)]
this.inputs = [
{
label: 'Azure OpenAI Api Key',
name: 'azureOpenAIApiKey',
type: 'password'
},
{
label: 'Model Name',
name: 'modelName',
type: 'options',
options: [
{
label: 'gpt-4',
name: 'gpt-4'
},
{
label: 'gpt-4-32k',
name: 'gpt-4-32k'
},
{
label: 'gpt-35-turbo',
name: 'gpt-35-turbo'
}
],
default: 'gpt-35-turbo',
optional: true
},
{
label: 'Temperature',
name: 'temperature',
type: 'number',
default: 0.9,
optional: true
},
{
label: 'Azure OpenAI Api Instance Name',
name: 'azureOpenAIApiInstanceName',
type: 'string',
placeholder: 'YOUR-INSTANCE-NAME'
},
{
label: 'Azure OpenAI Api Deployment Name',
name: 'azureOpenAIApiDeploymentName',
type: 'string',
placeholder: 'YOUR-DEPLOYMENT-NAME'
},
{
label: 'Azure OpenAI Api Version',
name: 'azureOpenAIApiVersion',
type: 'options',
options: [
{
label: '2023-03-15-preview',
name: '2023-03-15-preview'
}
],
default: '2023-03-15-preview'
},
{
label: 'Max Tokens',
name: 'maxTokens',
type: 'number',
optional: true,
additionalParams: true
},
{
label: 'Frequency Penalty',
name: 'frequencyPenalty',
type: 'number',
optional: true,
additionalParams: true
},
{
label: 'Presence Penalty',
name: 'presencePenalty',
type: 'number',
optional: true,
additionalParams: true
},
{
label: 'Timeout',
name: 'timeout',
type: 'number',
optional: true,
additionalParams: true
}
]
}
async init(nodeData: INodeData): Promise<any> {
const azureOpenAIApiKey = nodeData.inputs?.azureOpenAIApiKey as string
const modelName = nodeData.inputs?.modelName as string
const temperature = nodeData.inputs?.temperature as string
const azureOpenAIApiInstanceName = nodeData.inputs?.azureOpenAIApiInstanceName as string
const azureOpenAIApiDeploymentName = nodeData.inputs?.azureOpenAIApiDeploymentName as string
const azureOpenAIApiVersion = nodeData.inputs?.azureOpenAIApiVersion as string
const maxTokens = nodeData.inputs?.maxTokens as string
const frequencyPenalty = nodeData.inputs?.frequencyPenalty as string
const presencePenalty = nodeData.inputs?.presencePenalty as string
const timeout = nodeData.inputs?.timeout as string
const streaming = nodeData.inputs?.streaming as boolean
const obj: Partial<AzureOpenAIInput> & Partial<OpenAIBaseInput> = {
temperature: parseInt(temperature, 10),
modelName,
azureOpenAIApiKey,
azureOpenAIApiInstanceName,
azureOpenAIApiDeploymentName,
azureOpenAIApiVersion,
streaming: streaming ?? true
}
if (maxTokens) obj.maxTokens = parseInt(maxTokens, 10)
if (frequencyPenalty) obj.frequencyPenalty = parseInt(frequencyPenalty, 10)
if (presencePenalty) obj.presencePenalty = parseInt(presencePenalty, 10)
if (timeout) obj.timeout = parseInt(timeout, 10)
const model = new ChatOpenAI(obj)
return model
}
}
module.exports = { nodeClass: AzureChatOpenAI_ChatModels }
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