npm and error messages

node_modules/postcss-merge-longhand/dist/lib/mergeValues.js

@@ -0,0 +1,17 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+
+exports['default'] = function () {
+  for (var _len = arguments.length, rules = Array(_len), _key = 0; _key < _len; _key++) {
+    rules[_key] = arguments[_key];
+  }
+
+  return rules.map(function (r) {
+    return r.value;
+  }).join(' ');
+};
+
+module.exports = exports['default'];