Add more nodes for agents, loaders

packages/components/nodes/embeddings/OpenAIEmbedding/OpenAIEmbedding.ts

@@ -0,0 +1,44 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses } from '../../../src/utils'
+
+class OpenAIEmbedding_Embeddings implements INode {
+    label: string
+    name: string
+    type: string
+    icon: string
+    category: string
+    description: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'OpenAI Embeddings'
+        this.name = 'openAIEmbeddings'
+        this.type = 'OpenAIEmbeddings'
+        this.icon = 'openai.png'
+        this.category = 'Embeddings'
+        this.description = 'OpenAI API to generate embeddings for a given text'
+        this.inputs = [
+            {
+                label: 'OpenAI Api Key',
+                name: 'openAIApiKey',
+                type: 'password'
+            }
+        ]
+    }
+
+    async getBaseClasses(): Promise<string[]> {
+        const { OpenAIEmbeddings } = await import('langchain/embeddings')
+        return getBaseClasses(OpenAIEmbeddings)
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const { OpenAIEmbeddings } = await import('langchain/embeddings')
+        const openAIApiKey = nodeData.inputs?.openAIApiKey as string
+
+        const model = new OpenAIEmbeddings({ openAIApiKey })
+        return model
+    }
+}
+
+module.exports = { nodeClass: OpenAIEmbedding_Embeddings }