fetch api empty body code example

Example 1: fetch api req.body empty

var express    = require('express')
var bodyParser = require('body-parser')

var app = express()

// parse application/x-www-form-urlencoded
app.use(bodyParser.urlencoded())

// parse application/json
app.use(bodyParser.json())

app.listen(2000);

app.post("/", function (req, res) {
  console.log(req.body) // populated!
  res.send(200, req.body);
});

Example 2: sending json data uing fetch is empty

fetch('/api/v1/users', {  
    method: 'post',
    headers: {'Content-Type': 'application/json'},
    body: JSON.stringify({ "user": {
      "email" : email,
      "password" : password
    }}),
})