Merge pull request FlowiseAI#347 from FlowiseAI/feature/CodeTextSplitter

Feature/CodeSplitter

packages/components/nodes/textsplitters/CodeTextSplitter/CodeTextSplitter.ts

@@ -0,0 +1,128 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses } from '../../../src/utils'
+import {
+    RecursiveCharacterTextSplitter,
+    RecursiveCharacterTextSplitterParams,
+    SupportedTextSplitterLanguage
+} from 'langchain/text_splitter'
+
+class CodeTextSplitter_TextSplitters implements INode {
+    label: string
+    name: string
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+    constructor() {
+        this.label = 'Code Text Splitter'
+        this.name = 'codeTextSplitter'
+        this.type = 'CodeTextSplitter'
+        this.icon = 'codeTextSplitter.svg'
+        this.category = 'Text Splitters'
+        this.description = `Split documents based on language-specific syntax`
+        this.baseClasses = [this.type, ...getBaseClasses(RecursiveCharacterTextSplitter)]
+        this.inputs = [
+            {
+                label: 'Language',
+                name: 'language',
+                type: 'options',
+                options: [
+                    {
+                        label: 'cpp',
+                        name: 'cpp'
+                    },
+                    {
+                        label: 'go',
+                        name: 'go'
+                    },
+                    {
+                        label: 'java',
+                        name: 'java'
+                    },
+                    {
+                        label: 'js',
+                        name: 'js'
+                    },
+                    {
+                        label: 'php',
+                        name: 'php'
+                    },
+                    {
+                        label: 'proto',
+                        name: 'proto'
+                    },
+                    {
+                        label: 'python',
+                        name: 'python'
+                    },
+                    {
+                        label: 'rst',
+                        name: 'rst'
+                    },
+                    {
+                        label: 'ruby',
+                        name: 'ruby'
+                    },
+                    {
+                        label: 'rust',
+                        name: 'rust'
+                    },
+                    {
+                        label: 'scala',
+                        name: 'scala'
+                    },
+                    {
+                        label: 'swift',
+                        name: 'swift'
+                    },
+                    {
+                        label: 'markdown',
+                        name: 'markdown'
+                    },
+                    {
+                        label: 'latex',
+                        name: 'latex'
+                    },
+                    {
+                        label: 'html',
+                        name: 'html'
+                    },
+                    {
+                        label: 'sol',
+                        name: 'sol'
+                    }
+                ]
+            },
+            {
+                label: 'Chunk Size',
+                name: 'chunkSize',
+                type: 'number',
+                default: 1000,
+                optional: true
+            },
+            {
+                label: 'Chunk Overlap',
+                name: 'chunkOverlap',
+                type: 'number',
+                optional: true
+            }
+        ]
+    }
+    async init(nodeData: INodeData): Promise<any> {
+        const chunkSize = nodeData.inputs?.chunkSize as string
+        const chunkOverlap = nodeData.inputs?.chunkOverlap as string
+        const language = nodeData.inputs?.language as SupportedTextSplitterLanguage
+
+        const obj = {} as RecursiveCharacterTextSplitterParams
+
+        if (chunkSize) obj.chunkSize = parseInt(chunkSize, 10)
+        if (chunkOverlap) obj.chunkOverlap = parseInt(chunkOverlap, 10)
+
+        const splitter = RecursiveCharacterTextSplitter.fromLanguage(language, obj)
+
+        return splitter
+    }
+}
+module.exports = { nodeClass: CodeTextSplitter_TextSplitters }