@n8n/n8n-nodes-langchain
Version:
79 lines • 3.15 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.TextSplitterCharacterTextSplitter = void 0;
const textsplitters_1 = require("@langchain/textsplitters");
const n8n_workflow_1 = require("n8n-workflow");
const ai_utilities_1 = require("@n8n/ai-utilities");
class TextSplitterCharacterTextSplitter {
constructor() {
this.description = {
displayName: 'Character Text Splitter',
name: 'textSplitterCharacterTextSplitter',
icon: 'node:character-text-splitter',
iconColor: 'black',
group: ['transform'],
version: 1,
description: 'Split text into chunks by characters',
defaults: {
name: 'Character Text Splitter',
},
codex: {
categories: ['AI'],
subcategories: {
AI: ['Text Splitters'],
},
resources: {
primaryDocumentation: [
{
url: 'https://docs.n8n.io/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.textsplittercharactertextsplitter/',
},
],
},
},
inputs: [],
outputs: [n8n_workflow_1.NodeConnectionTypes.AiTextSplitter],
outputNames: ['Text Splitter'],
properties: [
(0, ai_utilities_1.getConnectionHintNoticeField)([n8n_workflow_1.NodeConnectionTypes.AiDocument]),
{
displayName: 'Separator',
name: 'separator',
type: 'string',
default: '',
},
{
displayName: 'Chunk Size',
name: 'chunkSize',
type: 'number',
default: 1000,
description: 'Maximum number of characters per chunk',
},
{
displayName: 'Chunk Overlap',
name: 'chunkOverlap',
type: 'number',
default: 0,
description: 'Number of characters shared between consecutive chunks to preserve context',
},
],
};
}
async supplyData(itemIndex) {
this.logger.debug('Supply Data for Text Splitter');
const separator = this.getNodeParameter('separator', itemIndex);
const chunkSize = this.getNodeParameter('chunkSize', itemIndex);
const chunkOverlap = this.getNodeParameter('chunkOverlap', itemIndex);
const params = {
separator,
chunkSize,
chunkOverlap,
keepSeparator: false,
};
const splitter = new textsplitters_1.CharacterTextSplitter(params);
return {
response: (0, ai_utilities_1.logWrapper)(splitter, this),
};
}
}
exports.TextSplitterCharacterTextSplitter = TextSplitterCharacterTextSplitter;
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