add multiple loaders and documents

packages/components/nodes/documentloaders/Folder/Folder.ts

@@ -0,0 +1,67 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { TextSplitter } from 'langchain/text_splitter'
+import { TextLoader } from 'langchain/document_loaders/fs/text'
+import { DirectoryLoader } from 'langchain/document_loaders/fs/directory'
+import { JSONLoader } from 'langchain/document_loaders/fs/json'
+import { CSVLoader } from 'langchain/document_loaders/fs/csv'
+import { PDFLoader } from 'langchain/document_loaders/fs/pdf'
+import { DocxLoader } from 'langchain/document_loaders/fs/docx'
+
+class Folder_DocumentLoaders implements INode {
+    label: string
+    name: string
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Folder with Files'
+        this.name = 'folderFiles'
+        this.type = 'Document'
+        this.icon = 'folder.svg'
+        this.category = 'Document Loaders'
+        this.description = `Load data from folder with multiple files`
+        this.baseClasses = [this.type]
+        this.inputs = [
+            {
+                label: 'Folder Path',
+                name: 'folderPath',
+                type: 'string',
+                placeholder: ''
+            },
+            {
+                label: 'Text Splitter',
+                name: 'textSplitter',
+                type: 'TextSplitter',
+                optional: true
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const textSplitter = nodeData.inputs?.textSplitter as TextSplitter
+        const folderPath = nodeData.inputs?.folderPath as string
+
+        const loader = new DirectoryLoader(folderPath, {
+            '.json': (path) => new JSONLoader(path),
+            '.txt': (path) => new TextLoader(path),
+            '.csv': (path) => new CSVLoader(path),
+            '.docx': (path) => new DocxLoader(path),
+            // @ts-ignore
+            '.pdf': (path) => new PDFLoader(path, { pdfjs: () => import('pdf-parse/lib/pdf.js/v1.10.100/build/pdf.js') })
+        })
+
+        if (textSplitter) {
+            const docs = await loader.loadAndSplit(textSplitter)
+            return docs
+        } else {
+            const docs = await loader.load()
+            return docs
+        }
+    }
+}
+
+module.exports = { nodeClass: Folder_DocumentLoaders }

packages/components/nodes/documentloaders/Folder/folder.svg

@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-folder" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+   <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
+   <path d="M5 4h4l3 3h7a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-14a2 2 0 0 1 -2 -2v-11a2 2 0 0 1 2 -2"></path>
+</svg>

packages/components/nodes/vectorstores/Chroma_Upsert/Chroma_Upsert.ts

@@ -27,7 +27,8 @@ class ChromaUpsert_VectorStores implements INode {
             {
                 label: 'Document',
                 name: 'document',
-                type: 'Document'
+                type: 'Document',
+                list: true
             },
             {
                 label: 'Embeddings',
@@ -60,9 +61,10 @@ class ChromaUpsert_VectorStores implements INode {
         const embeddings = nodeData.inputs?.embeddings as Embeddings
         const output = nodeData.outputs?.output as string
 
+        const flattenDocs = docs.flat()
         const finalDocs = []
-        for (let i = 0; i < docs.length; i += 1) {
+        for (let i = 0; i < flattenDocs.length; i += 1) {
-            finalDocs.push(new Document(docs[i]))
+            finalDocs.push(new Document(flattenDocs[i]))
         }
 
         const vectorStore = await Chroma.fromDocuments(finalDocs, embeddings, {

packages/components/nodes/vectorstores/InMemory/InMemoryVectorStore.ts

@@ -27,7 +27,8 @@ class InMemoryVectorStore_VectorStores implements INode {
             {
                 label: 'Document',
                 name: 'document',
-                type: 'Document'
+                type: 'Document',
+                list: true
             },
             {
                 label: 'Embeddings',
@@ -54,9 +55,10 @@ class InMemoryVectorStore_VectorStores implements INode {
         const embeddings = nodeData.inputs?.embeddings as Embeddings
         const output = nodeData.outputs?.output as string
 
+        const flattenDocs = docs.flat()
         const finalDocs = []
-        for (let i = 0; i < docs.length; i += 1) {
+        for (let i = 0; i < flattenDocs.length; i += 1) {
-            finalDocs.push(new Document(docs[i]))
+            finalDocs.push(new Document(flattenDocs[i]))
         }
 
         const vectorStore = await MemoryVectorStore.fromDocuments(finalDocs, embeddings)

packages/components/nodes/vectorstores/Pinecone_Upsert/Pinecone_Upsert.ts

@@ -28,7 +28,8 @@ class PineconeUpsert_VectorStores implements INode {
             {
                 label: 'Document',
                 name: 'document',
-                type: 'Document'
+                type: 'Document',
+                list: true
             },
             {
                 label: 'Embeddings',
@@ -84,9 +85,10 @@ class PineconeUpsert_VectorStores implements INode {
 
         const pineconeIndex = client.Index(index)
 
+        const flattenDocs = docs.flat()
         const finalDocs = []
-        for (let i = 0; i < docs.length; i += 1) {
+        for (let i = 0; i < flattenDocs.length; i += 1) {
-            finalDocs.push(new Document(docs[i]))
+            finalDocs.push(new Document(flattenDocs[i]))
         }
 
         const obj: PineconeLibArgs = {

packages/components/nodes/vectorstores/Supabase_Upsert/Supabase_Upsert.ts

@@ -28,7 +28,8 @@ class SupabaseUpsert_VectorStores implements INode {
             {
                 label: 'Document',
                 name: 'document',
-                type: 'Document'
+                type: 'Document',
+                list: true
             },
             {
                 label: 'Embeddings',
@@ -81,9 +82,10 @@ class SupabaseUpsert_VectorStores implements INode {
 
         const client = createClient(supabaseProjUrl, supabaseApiKey)
 
+        const flattenDocs = docs.flat()
         const finalDocs = []
-        for (let i = 0; i < docs.length; i += 1) {
+        for (let i = 0; i < flattenDocs.length; i += 1) {
-            finalDocs.push(new Document(docs[i]))
+            finalDocs.push(new Document(flattenDocs[i]))
         }
 
         const vectorStore = await SupabaseVectorStore.fromDocuments(finalDocs, embeddings, {

packages/components/nodes/vectorstores/Weaviate_Upsert/Weaviate_Upsert.ts

@@ -28,7 +28,8 @@ class WeaviateUpsert_VectorStores implements INode {
             {
                 label: 'Document',
                 name: 'document',
-                type: 'Document'
+                type: 'Document',
+                list: true
             },
             {
                 label: 'Embeddings',
@@ -121,9 +122,10 @@ class WeaviateUpsert_VectorStores implements INode {
 
         const client: WeaviateClient = weaviate.client(clientConfig)
 
+        const flattenDocs = docs.flat()
         const finalDocs = []
-        for (let i = 0; i < docs.length; i += 1) {
+        for (let i = 0; i < flattenDocs.length; i += 1) {
-            finalDocs.push(new Document(docs[i]))
+            finalDocs.push(new Document(flattenDocs[i]))
         }
 
         const obj: WeaviateLibArgs = {