app.js

var express = require('express');
var nunjucks = require('nunjucks');
var axios = require('axios');
var app = express();
var client_id = "zIAqvKoIcFlaWPLosWYj";
var client_secret = "dZvmmUa7YD";
// replace client id and secret with your owns



app.set('view engine', 'html');

nunjucks.configure('views', {
  express : app,
  watch : true,
})

app.use(express.json());
app.use(express.urlencoded({extended : false}));

app.get('/', (req, res)=>{
  res.render('main');
});

app.post('/search', async(req, res)=>{
  //query = req.body.query;
  // get query input

  var api_url = 'https://openapi.naver.com/v1/search/blog?query=' + encodeURI(req.body.query);
  var options = {
    headers : {'X-Naver-Client-Id':client_id, 'X-Naver-Client-Secret': client_secret}
  }; // headers for get request
  await axios.get(api_url, options)
  .then((response)=>{
    if(response.status===200){
      items = response.data.items;
      items.map((x)=>{
        x.title = x.title.replace(/<b>/g, '');
        x.title = x.title.replace(/<\/b>/g, '');
        x.description = x.description.replace(/<b>/g, '');
        x.description = x.description.replace(/<\/b>/g, '');
      }); // remove html tags in query result
   
      res.render('result', {items : items});
    }
  })
  .catch((err)=>{
    console.error(err);
  });
});


 app.listen(3000, function () {
   console.log('http://localhost:3000/search/blog?query=검색어 app listening on port 3000!');
 });