diff --git a/src/typescript-example.js b/src/typescript-example.js
new file mode 100644
index 0000000..796b3ec
--- /dev/null
+++ b/src/typescript-example.js
@@ -0,0 +1,14 @@
+function add(a, b) {
+  return a + b
+}
+
+function getFullName(user) {
+  const {
+    name: {first, middle, last},
+  } = user
+  return [first, middle, last].filter(Boolean).join('')
+}
+
+add(1, 'two')
+
+getFullName({name: {first: 'Joe', midd1e: 'Bud', last: 'Matthews'}})