anagram-finder-express-js

server.js

var express = require('express');
var router = express.Router();

router.post('/', function findAnagramsInArray(req, res) {
  var words = JSON.parse(JSON.stringify(req.body));
  let result = {}

  for (const word of words) {
    const sorted = word.split("").sort().join("");

    if (sorted in result) {
      result[sorted].push(word);
    } else {
      result[sorted] = [word];
    }
  }

  res.send(result);
});

module.exports = router;