Core utils: Format date

core/utils.js

@@ -0,0 +1,8 @@
+module.exports = {
+    formatDate (date) {
+        const year = date.getFullYear();
+        const month = String(date.getMonth() + 1).padStart(2, '0');
+        const day = String(date.getDate()).padStart(2, '0');
+        return `${year}-${month}-${day}`;
+    }
+}