Merge branch 'feature/vertex_ai_embeddings' into feature/add_vertexAI

2026-06-28 15:00:57 +03:00 · 2023-08-08 19:47:28 +09:00
parent b8af3ea8f5 9e0d2ccb3a
commit 0f567becf0
2 changed files with 65 additions and 0 deletions
@@ -0,0 +1,63 @@
+import { GoogleVertexAIEmbeddings, GoogleVertexAIEmbeddingsParams } from 'langchain/embeddings/googlevertexai'
+import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
+import { GoogleAuthOptions } from 'google-auth-library'
+
+class GoogleVertexAIEmbedding_Embeddings 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 Embeddings'
+        this.name = 'googlevertexaiEmbeddings'
+        this.version = 1.0
+        this.type = 'GoogleVertexAIEmbeddings'
+        this.icon = 'vertexai.svg'
+        this.category = 'Embeddings'
+        this.description = 'Google vertexAI API to generate embeddings for a given text'
+        this.baseClasses = [this.type, ...getBaseClasses(GoogleVertexAIEmbeddings)]
+        this.credential = {
+            label: 'Connect Credential',
+            name: 'credential',
+            type: 'credential',
+            credentialNames: ['googleVertexAuth']
+        }
+        this.inputs = []
+    }
+
+    async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
+        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 obj: GoogleVertexAIEmbeddingsParams = {
+            authOptions
+        }
+
+        const model = new GoogleVertexAIEmbeddings(obj)
+        return model
+    }
+}
+
+module.exports = { nodeClass: GoogleVertexAIEmbedding_Embeddings }
@@ -0,0 +1,2 @@
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