diff --git a/packages/components/nodes/llms/GoogleVertexAI/googlevertexai.ts b/packages/components/nodes/llms/GoogleVertexAI/googlevertexai.ts new file mode 100644 index 00000000..4d9b3aed --- /dev/null +++ b/packages/components/nodes/llms/GoogleVertexAI/googlevertexai.ts @@ -0,0 +1,117 @@ +import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface' +import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils' +import { GoogleVertexAI, GoogleVertexAITextInput } from 'langchain/llms/googlevertexai' +import { GoogleAuthOptions } from 'google-auth-library' + +class GoogleVertexAI_LLMs implements INode { + label: string + name: string + version: number + type: string + icon: string + category: string + description: string + baseClasses: string[] + credential: INodeParams + inputs: INodeParams[] + + constructor() { + this.label = 'GoogleVertexAI' + this.name = 'googlevertexai' + this.version = 1.0 + this.type = 'GoogleVertexAI' + this.icon = 'vertexai.svg' + this.category = 'LLMs' + this.description = 'Wrapper around GoogleVertexAI large language models' + this.baseClasses = [this.type, ...getBaseClasses(GoogleVertexAI)] + this.credential = { + label: 'Connect Credential', + name: 'credential', + type: 'credential', + credentialNames: ['googleVertexAuth'] + } + this.inputs = [ + { + label: 'Model Name', + name: 'modelName', + type: 'options', + options: [ + { + label: 'text-bison', + name: 'text-bison' + }, + { + label: 'code-bison', + name: 'code-bison' + }, + { + label: 'code-gecko', + name: 'code-gecko' + } + ], + default: 'text-bison' + }, + { + label: 'Temperature', + name: 'temperature', + type: 'number', + step: 0.1, + default: 0.7, + optional: true + }, + { + label: 'max Output Tokens', + name: 'maxOutputTokens', + type: 'number', + step: 1, + optional: true, + additionalParams: true + }, + { + label: 'Top Probability', + name: 'topP', + type: 'number', + step: 0.1, + optional: true, + additionalParams: true + } + ] + } + + async init(nodeData: INodeData, _: string, options: ICommonObject): Promise { + const credentialData = await getCredentialData(nodeData.credential ?? '', options) + const googleApplicationCredentialFilePath = getCredentialParam('googleApplicationCredentialFilePath', credentialData, nodeData) + const googleApplicationCredential = getCredentialParam('googleApplicationCredential', credentialData, nodeData) + const projectID = getCredentialParam('projectID', credentialData, nodeData) + + if (!googleApplicationCredentialFilePath && !googleApplicationCredential) + throw new Error('Please specify your Google Application Credential') + if (googleApplicationCredentialFilePath && googleApplicationCredential) + throw new Error('Please use either Google Application Credential File Path or Google Credential JSON Object') + + const authOptions: GoogleAuthOptions = {} + if (googleApplicationCredentialFilePath && !googleApplicationCredential) authOptions.keyFile = googleApplicationCredentialFilePath + else if (!googleApplicationCredentialFilePath && googleApplicationCredential) + authOptions.credentials = JSON.parse(googleApplicationCredential) + if (projectID) authOptions.projectId = projectID + + const temperature = nodeData.inputs?.temperature as string + const modelName = nodeData.inputs?.modelName as string + const maxOutputTokens = nodeData.inputs?.maxOutputTokens as string + const topP = nodeData.inputs?.topP as string + + const obj: Partial = { + temperature: parseFloat(temperature), + model: modelName, + authOptions + } + + if (maxOutputTokens) obj.maxOutputTokens = parseInt(maxOutputTokens, 10) + if (topP) obj.topP = parseFloat(topP) + + const model = new GoogleVertexAI(obj) + return model + } +} + +module.exports = { nodeClass: GoogleVertexAI_LLMs } diff --git a/packages/components/nodes/llms/GoogleVertexAI/vertexai.svg b/packages/components/nodes/llms/GoogleVertexAI/vertexai.svg new file mode 100644 index 00000000..31244412 --- /dev/null +++ b/packages/components/nodes/llms/GoogleVertexAI/vertexai.svg @@ -0,0 +1,2 @@ + + \ No newline at end of file