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Intentar recuperar datos JSON da como resultado [ Promesa { <pending> }, Promise { <pending> } ]

Estoy intentando recuperar los datos JSON almacenados en la siguiente API:

 https://api.hatchways.io/assessment/blog/posts

Al utilizar las solicitudes de node.js y https, recibo constantemente una serie de [ Promise { }, Promise { } ]. Desafortunadamente, solo puedo buscar una etiqueta a la vez, y tengo que recuperar una lista de publicaciones que tenga al menos una etiqueta de una lista de etiquetas proporcionadas, antes de ordenar las publicaciones. Mi código está a continuación:

 const express = require('express'); const app = express(); app.get("/api/ping", (req, res) => { res.status(200).send("{\"success\": true}"); }) app.get("/api/posts", (req, res) => { const tags = req.query.tags; const sortBy = req.query.sortBy; const direction = req.query.direction; if (!tags) res.status(400).send("Must provide at least one tag."); let tag_array = tags.split(','); let posts_array = []; tag_array.forEach(tag => { let posts = getPost(tag); posts_array.push(posts); }) console.log(posts_array); }) app.listen(3000, () => console.log("Listening on port 3000...")); function getPost(tag) { const https = require('https'); return new Promise( (resolve, reject) => { const options = { hostname: 'api.hatchways.io', path: `/assessment/blog/posts?tag=${tag}` } let body = []; const req = https.request(options, res => { res.on('data', data => { body.push(data); }); res.on('end', () => { try { body = JSON.parse(Buffer.concat(body).toString()); } catch (error) { reject(error); } resolve(body); }); }); req.on('error', error => { reject(error); }); req.end(); }).then(function(data) { return data; }, function(error) { console.log(error) }); }
about 4 years ago · Juan Pablo Isaza
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0

el método getPost está devolviendo una promesa, solo haz esto:

 app.get("/api/posts", async (req, res) => { const tags = req.query.tags; const sortBy = req.query.sortBy; const direction = req.query.direction; if (!tags) res.status(400).send("Must provide at least one tag."); let tag_array = tags.split(','); const promises = []; tag_array.forEach(tag => { promises.push(getPost(tag)) }); posts_array = await Promise.all(promises) console.log(posts_array) })
about 4 years ago · Juan Pablo Isaza Report

0

Solo espere a que todas las promesas se resuelvan usando la palabra clave await .

 app.get("/api/posts", async (req, res) => { // Add the async keyword //... Skipped some code for concision tag_array.forEach(tag => { let posts = getPost(tag); posts_array.push(posts); }) await Promise.all(posts_array) // Add this to await all promises to resolve console.log(posts_array); })
about 4 years ago · Juan Pablo Isaza Report
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