add character text splitter

packages/components/nodes/textsplitters/CharacterTextSplitter/CharacterTextSplitter.ts

@@ -0,0 +1,63 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses } from '../../../src/utils'
+import { CharacterTextSplitter, CharacterTextSplitterParams } from 'langchain/text_splitter'
+
+class CharacterTextSplitter_TextSplitters implements INode {
+    label: string
+    name: string
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Character Text Splitter'
+        this.name = 'characterTextSplitter'
+        this.type = 'CharacterTextSplitter'
+        this.icon = 'textsplitter.svg'
+        this.category = 'Text Splitters'
+        this.description = `splits only on one type of character (defaults to "\\n\\n").`
+        this.baseClasses = [this.type, ...getBaseClasses(CharacterTextSplitter)]
+        this.inputs = [
+            {
+                label: 'Separator',
+                name: 'separator',
+                type: 'string',
+                optional: true
+            },
+            {
+                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 separator = nodeData.inputs?.separator as string
+        const chunkSize = nodeData.inputs?.chunkSize as string
+        const chunkOverlap = nodeData.inputs?.chunkOverlap as string
+
+        const obj = {} as CharacterTextSplitterParams
+
+        if (separator) obj.separator = separator
+        if (chunkSize) obj.chunkSize = parseInt(chunkSize, 10)
+        if (chunkOverlap) obj.chunkOverlap = parseInt(chunkOverlap, 10)
+
+        const splitter = new CharacterTextSplitter(obj)
+
+        return splitter
+    }
+}
+
+module.exports = { nodeClass: CharacterTextSplitter_TextSplitters }

packages/components/nodes/textsplitters/CharacterTextSplitter/textsplitter.svg

@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-abc" 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="M3 16v-6a2 2 0 1 1 4 0v6"></path>
+   <path d="M3 13h4"></path>
+   <path d="M10 8v6a2 2 0 1 0 4 0v-1a2 2 0 1 0 -4 0v1"></path>
+   <path d="M20.732 12a2 2 0 0 0 -3.732 1v1a2 2 0 0 0 3.726 1.01"></path>
+</svg>