Voyage AI - Credentials, Embeddings and Rerank (#2015)

* Voyage AI - Credentials and Embeddings * reranker and fixes for embeddings
2026-06-28 21:00:58 +03:00 · 2024-03-26 11:50:16 +05:30
parent 6fd0fe60fc
commit 794818b434
6 changed files with 297 additions and 0 deletions
@@ -0,0 +1,84 @@
+import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
+import { VoyageEmbeddings, VoyageEmbeddingsParams } from 'langchain/embeddings/voyage'
+
+class VoyageAIEmbedding_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 = 'VoyageAI Embeddings'
+        this.name = 'voyageAIEmbeddings'
+        this.version = 1.0
+        this.type = 'VoyageAIEmbeddings'
+        this.icon = 'voyageai.png'
+        this.category = 'Embeddings'
+        this.description = 'Voyage AI API to generate embeddings for a given text'
+        this.baseClasses = [this.type, ...getBaseClasses(VoyageEmbeddings)]
+        this.credential = {
+            label: 'Connect Credential',
+            name: 'credential',
+            type: 'credential',
+            credentialNames: ['voyageAIApi']
+        }
+        this.inputs = [
+            {
+                label: 'Model Name',
+                name: 'modelName',
+                type: 'options',
+                options: [
+                    {
+                        label: 'voyage-2',
+                        name: 'voyage-2',
+                        description: 'Base generalist embedding model optimized for both latency and quality'
+                    },
+                    {
+                        label: 'voyage-code-2',
+                        name: 'voyage-code-2',
+                        description: 'Optimized for code retrieval'
+                    },
+                    {
+                        label: 'voyage-large-2',
+                        name: 'voyage-large-2',
+                        description: 'Powerful generalist embedding model'
+                    },
+                    {
+                        label: 'voyage-lite-02-instruct',
+                        name: 'voyage-lite-02-instruct',
+                        description: 'Instruction-tuned for classification, clustering, and sentence textual similarity tasks'
+                    }
+                ],
+                default: 'voyage-2',
+                optional: true
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
+        const modelName = nodeData.inputs?.modelName as string
+
+        const credentialData = await getCredentialData(nodeData.credential ?? '', options)
+        const voyageAiApiKey = getCredentialParam('apiKey', credentialData, nodeData)
+        const voyageAiEndpoint = getCredentialParam('endpoint', credentialData, nodeData)
+
+        const obj: Partial<VoyageEmbeddingsParams> & { apiKey?: string } = {
+            apiKey: voyageAiApiKey
+        }
+
+        if (modelName) obj.modelName = modelName
+
+        const model = new VoyageEmbeddings(obj)
+        if (voyageAiEndpoint) model.apiUrl = voyageAiEndpoint
+        return model
+    }
+}
+
+module.exports = { nodeClass: VoyageAIEmbedding_Embeddings }