add some packages

node_modules/clean-css/lib/options/inline.js

@@ -0,0 +1,15 @@
+function inlineOptionsFrom(rules) {
+  if (Array.isArray(rules)) {
+    return rules;
+  }
+
+  if (rules === false) {
+    return ['none'];
+  }
+
+  return undefined === rules ?
+    ['local'] :
+    rules.split(',');
+}
+
+module.exports = inlineOptionsFrom;