const router = require('express').Router() router.get('/gettopic/:topic/:section', (request, response) => { const topic = request.params.topic let section = request.params.section if (!topic || !section) { response.send(require('./error.json')) } else { response.send( // require(`./${topic}/${section}.json`) require(`./dynamic-programming/${section}.json`), ) } }) router.get('/gettopic/:topic', (request, response) => { const topic = request.params.topic if (!topic) { response.send(require('./error.json')) } else { response.send( // require(`./${topic}.json`) require('./dynamic-programming.json'), ) } }) module.exports = router