@n8n/n8n-nodes-langchain
Version:
93 lines • 3.57 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.RerankerCohere = void 0;
const cohere_1 = require("@langchain/cohere");
const n8n_workflow_1 = require("n8n-workflow");
const ai_utilities_1 = require("@n8n/ai-utilities");
class RerankerCohere {
constructor() {
this.description = {
displayName: 'Reranker Cohere',
name: 'rerankerCohere',
icon: { light: 'file:cohere.svg', dark: 'file:cohere.dark.svg' },
group: ['transform'],
version: 1,
description: 'Use Cohere Reranker to reorder documents after retrieval from a vector store by relevance to the given query.',
defaults: {
name: 'Reranker Cohere',
},
requestDefaults: {
ignoreHttpStatusErrors: true,
baseURL: '={{ $credentials.host }}',
},
credentials: [
{
name: 'cohereApi',
required: true,
},
],
codex: {
categories: ['AI'],
subcategories: {
AI: ['Rerankers'],
},
resources: {
primaryDocumentation: [
{
url: 'https://docs.n8n.io/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.rerankercohere/',
},
],
},
},
inputs: [],
outputs: [n8n_workflow_1.NodeConnectionTypes.AiReranker],
outputNames: ['Reranker'],
properties: [
{
displayName: 'Model',
name: 'modelName',
type: 'options',
description: 'The model that should be used to rerank the documents. <a href="https://docs.cohere.com/docs/models">Learn more</a>.',
default: 'rerank-v3.5',
options: [
{
name: 'rerank-v3.5',
value: 'rerank-v3.5',
},
{
name: 'rerank-english-v3.0',
value: 'rerank-english-v3.0',
},
{
name: 'rerank-multilingual-v3.0',
value: 'rerank-multilingual-v3.0',
},
],
},
{
displayName: 'Top N',
name: 'topN',
type: 'number',
description: 'The maximum number of documents to return after reranking',
default: 3,
},
],
};
}
async supplyData(itemIndex) {
this.logger.debug('Supply data for reranking Cohere');
const modelName = this.getNodeParameter('modelName', itemIndex, 'rerank-v3.5');
const topN = this.getNodeParameter('topN', itemIndex, 3);
const credentials = await this.getCredentials('cohereApi');
const reranker = new cohere_1.CohereRerank({
apiKey: credentials.apiKey,
model: modelName,
topN,
});
return {
response: (0, ai_utilities_1.logWrapper)(reranker, this),
};
}
}
exports.RerankerCohere = RerankerCohere;
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