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Error[ERR_HTTP_HEADERS_SENT]: no se pueden establecer encabezados después de enviarlos al cliente

Aquí, estoy haciendo una matriz de objetos data2[] e iterando sobre esta matriz enviando cada uno de sus objetos, obtuve 1 respuesta en el cartero cuando lo verifiqué, pero no otras debido a este error.

 const express = require("express") const getOrganicData = require('../GoogleSearchScraping/organicData') const url = require('url'); const router = new express.Router() router.get('/searchExtended' , async (req, res) => { try { const queryObject = url.parse(req.url , true).query console.log("Query is "+queryObject.query); const data = await getOrganicData(queryObject.query) const organicData = data[0] const snippet = data[1] const htmlSnippet = data[2] const data2 = new Array(data[0].length) for (let i = 0; i < data2.length; i++) { data2[i] = { organicData: organicData[i], snippet: snippet[i], htmlSnippet: htmlSnippet[i], Rank: ""+(i+1)+"" } } for (let i = 0; i < data2.length; i++) { res.status(201).send(Object.values(data2[i])) } } catch (error) { res.status(400).send('Error '+error) } }) module.exports = router ;
about 4 years ago · Juan Pablo Isaza
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