SETUP FOR TYPESCRIPT

package.json

@@ -6,7 +6,10 @@
   "scripts": {
     "build": "babel src --out-dir dist",
     "lint": "eslint --ignore-path .gitignore .",
-    "format": "prettier --ignore-path .gitignore --write \"**/*.+(js|json)\""
+    "prettier": "prettier --ignore-path .gitignore \"**/*.+(js|json)\"",
+    "format": "npm run prettier -- --write",
+    "check-format": "npm run prettier -- --list-different",
+    "validate": "npm run check-format && npm run lint && npm run build"
   },
   "devDependencies": {
     "@babel/cli": "^7.7.0",

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'}})