113 lines
3.6 KiB
TypeScript
113 lines
3.6 KiB
TypeScript
import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface'
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import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
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import { Cohere, CohereInput } from './core'
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import { BaseCache } from 'langchain/schema'
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class Cohere_LLMs implements INode {
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label: string
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name: string
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version: number
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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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credential: INodeParams
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inputs: INodeParams[]
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constructor() {
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this.label = 'Cohere'
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this.name = 'cohere'
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this.version = 2.0
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this.type = 'Cohere'
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this.icon = 'Cohere.svg'
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this.category = 'LLMs'
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this.description = 'Wrapper around Cohere large language models'
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this.baseClasses = [this.type, ...getBaseClasses(Cohere)]
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this.credential = {
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label: 'Connect Credential',
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name: 'credential',
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type: 'credential',
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credentialNames: ['cohereApi']
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}
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this.inputs = [
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{
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label: 'Cache',
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name: 'cache',
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type: 'BaseCache',
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optional: true
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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: 'command',
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name: 'command'
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},
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{
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label: 'command-light',
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name: 'command-light'
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},
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{
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label: 'command-nightly',
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name: 'command-nightly'
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},
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{
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label: 'command-light-nightly',
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name: 'command-light-nightly'
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},
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{
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label: 'base',
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name: 'base'
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},
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{
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label: 'base-light',
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name: 'base-light'
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}
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],
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default: 'command',
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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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step: 0.1,
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default: 0.7,
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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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step: 1,
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optional: true
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}
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]
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}
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async init(nodeData: INodeData, _: string, options: ICommonObject): 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 maxTokens = nodeData.inputs?.maxTokens as string
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const cache = nodeData.inputs?.cache as BaseCache
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const credentialData = await getCredentialData(nodeData.credential ?? '', options)
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const cohereApiKey = getCredentialParam('cohereApiKey', credentialData, nodeData)
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const obj: CohereInput = {
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apiKey: cohereApiKey
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}
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if (maxTokens) obj.maxTokens = parseInt(maxTokens, 10)
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if (modelName) obj.model = modelName
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if (temperature) obj.temperature = parseFloat(temperature)
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if (cache) obj.cache = cache
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const model = new Cohere(obj)
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return model
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}
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}
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module.exports = { nodeClass: Cohere_LLMs }
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