add localai embeddings

packages/components/nodes/embeddings/LocalAIEmbedding/LocalAIEmbedding.ts

@@ -0,0 +1,53 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { OpenAIEmbeddings, OpenAIEmbeddingsParams } from 'langchain/embeddings/openai'
+
+class LocalAIEmbedding_Embeddings implements INode {
+    label: string
+    name: string
+    type: string
+    icon: string
+    category: string
+    description: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'LocalAI Embeddings'
+        this.name = 'localAIEmbeddings'
+        this.type = 'LocalAI Embeddings'
+        this.icon = 'localai.png'
+        this.category = 'Embeddings'
+        this.description = 'Use local embeddings models like llama.cpp'
+        this.baseClasses = [this.type, 'Embeddings']
+        this.inputs = [
+            {
+                label: 'Base Path',
+                name: 'basePath',
+                type: 'string',
+                placeholder: 'http://localhost:8080/v1'
+            },
+            {
+                label: 'Model Name',
+                name: 'modelName',
+                type: 'string',
+                placeholder: 'text-embedding-ada-002'
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const modelName = nodeData.inputs?.modelName as string
+        const basePath = nodeData.inputs?.basePath as string
+
+        const obj: Partial<OpenAIEmbeddingsParams> & { openAIApiKey?: string } = {
+            modelName,
+            openAIApiKey: 'sk-'
+        }
+
+        const model = new OpenAIEmbeddings(obj, { basePath })
+
+        return model
+    }
+}
+
+module.exports = { nodeClass: LocalAIEmbedding_Embeddings }