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

function countWords(str) {
    return String(str).trim().split(/\s+/).filter(w => w.length > 0).length;
}

router.post('/', (req, res) => {
    const { input } = req.body;
    res.json({ ret: countWords(input) });
});

router.get('/:string', (req, res) => {
    res.json({ ret: countWords(req.params.string) });
});

module.exports = router;