12 new API endpoints

src/routes/api/string/countWords.js

@@ -0,0 +1,17 @@
+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;