node express body-parser to local json file code example

Example 1: parse json express

// Update for Express 4.16+
// Starting with release 4.16.0, a new express.json() middleware is available.
var express = require('express');
var app = express();

app.use(express.json());

app.post('/', function(request, response){
  console.log(request.body);      // your JSON
   response.send(request.body);    // echo the result back
});

app.listen(3000);

Example 2: nodejs json data serving

const userRoutes = (app, fs) => {
  // variables
  const dataPath = './data/users.json';

  // READ
  app.get('/users', (req, res) => {
    fs.readFile(dataPath, 'utf8', (err, data) => {
      if (err) {
        throw err;
      }

      res.send(JSON.parse(data));
    });
  });
};

module.exports = userRoutes;

Tags:

Misc Example

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