Add more nodes for agents, loaders

2026-06-28 23:01:09 +03:00 · 2023-04-10 13:56:44 +01:00
parent 05c86ff9c5
commit 58e06718d1
57 changed files with 1584 additions and 89 deletions
@@ -0,0 +1,61 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+
+class Text_DocumentLoaders implements INode {
+    label: string
+    name: string
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Text File'
+        this.name = 'textFile'
+        this.type = 'Text'
+        this.icon = 'textFile.svg'
+        this.category = 'Document Loaders'
+        this.description = `Load data from text files`
+        this.inputs = [
+            {
+                label: 'Txt File',
+                name: 'txtFile',
+                type: 'file',
+                fileType: '.txt'
+            },
+            {
+                label: 'Text Splitter',
+                name: 'textSplitter',
+                type: 'TextSplitter',
+                optional: true
+            }
+        ]
+    }
+
+    async getBaseClasses(): Promise<string[]> {
+        return ['Document']
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const { TextLoader } = await import('langchain/document_loaders')
+        const textSplitter = nodeData.inputs?.textSplitter
+        const txtFileBase64 = nodeData.inputs?.txtFile as string
+        const splitDataURI = txtFileBase64.split(',')
+        splitDataURI.pop()
+        const bf = Buffer.from(splitDataURI.pop() || '', 'base64')
+
+        const blob = new Blob([bf])
+        const loader = new TextLoader(blob)
+
+        if (textSplitter) {
+            const docs = await loader.loadAndSplit(textSplitter)
+            return docs
+        } else {
+            const docs = await loader.load()
+            return docs
+        }
+    }
+}
+
+module.exports = { nodeClass: Text_DocumentLoaders }