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import { INode, INodeData, INodeParams } from '../../../src/Interface'
import { getBaseClasses } from '../../../src/utils'
import { AnthropicInput, ChatAnthropic } from 'langchain/chat_models/anthropic'
class ChatAnthropic_ChatModels implements INode {
label: string
name: string
type: string
icon: string
category: string
description: string
baseClasses: string[]
inputs: INodeParams[]
constructor() {
this.label = 'ChatAnthropic'
this.name = 'chatAnthropic'
this.type = 'ChatAnthropic'
this.icon = 'chatAnthropic.png'
this.category = 'Chat Models'
this.description = 'Wrapper around ChatAnthropic large language models that use the Chat endpoint'
this.baseClasses = [this.type, ...getBaseClasses(ChatAnthropic)]
this.inputs = [
{
label: 'ChatAnthropic Api Key',
name: 'anthropicApiKey',
type: 'password'
},
{
label: 'Model Name',
name: 'modelName',
type: 'options',
options: [
{
label: 'claude-v1',
name: 'claude-v1'
},
{
label: 'claude-v1-100k',
name: 'claude-v1-100k'
},
{
label: 'claude-v1.0',
name: 'claude-v1.0'
},
{
label: 'claude-v1.2',
name: 'claude-v1.2'
},
{
label: 'claude-v1.3',
name: 'claude-v1.3'
},
{
label: 'claude-v1.3-100k',
name: 'claude-v1.3-100k'
},
{
label: 'claude-instant-v1',
name: 'claude-instant-v1'
},
{
label: 'claude-instant-v1-100k',
name: 'claude-instant-v1-100k'
},
{
label: 'claude-instant-v1.0',
name: 'claude-instant-v1.0'
},
{
label: 'claude-instant-v1.1',
name: 'claude-instant-v1.1'
},
{
label: 'claude-instant-v1.1-100k',
name: 'claude-instant-v1.1-100k'
}
],
default: 'claude-v1',
optional: true
},
{
label: 'Temperature',
name: 'temperature',
type: 'number',
default: 0.9,
optional: true
},
{
label: 'Max Tokens',
name: 'maxTokensToSample',
type: 'number',
optional: true,
additionalParams: true
},
{
label: 'Top P',
name: 'topP',
type: 'number',
optional: true,
additionalParams: true
},
{
label: 'Top K',
name: 'topK',
type: 'number',
optional: true,
additionalParams: true
}
]
}
async init(nodeData: INodeData): Promise<any> {
const temperature = nodeData.inputs?.temperature as string
const modelName = nodeData.inputs?.modelName as string
const anthropicApiKey = nodeData.inputs?.anthropicApiKey as string
const maxTokensToSample = nodeData.inputs?.maxTokensToSample as string
const topP = nodeData.inputs?.topP as string
const topK = nodeData.inputs?.topK as string
const streaming = nodeData.inputs?.streaming as boolean
const obj: Partial<AnthropicInput> & { anthropicApiKey?: string } = {
temperature: parseInt(temperature, 10),
modelName,
anthropicApiKey,
streaming: streaming ?? true
}
if (maxTokensToSample) obj.maxTokensToSample = parseInt(maxTokensToSample, 10)
if (topP) obj.topP = parseInt(topP, 10)
if (topK) obj.topK = parseInt(topK, 10)
const model = new ChatAnthropic(obj)
return model
}
}
module.exports = { nodeClass: ChatAnthropic_ChatModels }
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