npm and error messages

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

@@ -0,0 +1,22 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+    value: true
+});
+
+var _postcss = require('postcss');
+
+var space = _postcss.list.space;
+
+exports['default'] = function () {
+    for (var _len = arguments.length, rules = Array(_len), _key = 0; _key < _len; _key++) {
+        rules[_key] = arguments[_key];
+    }
+
+    return rules.reduce(function (memo, rule) {
+        memo += space(rule.value).length;
+        return memo;
+    }, 0);
+};
+
+module.exports = exports['default'];