npm and error messages

node_modules/node-sass/scripts/util/proxy.js

@@ -0,0 +1,22 @@
+
+/**
+ * Determine the proxy settings configured by npm
+ *
+ * It's possible to configure npm to use a proxy different
+ * from the system defined proxy. This can be done via the
+ * `npm config` CLI or the `.npmrc` config file.
+ *
+ * If a proxy has been configured in this way we must
+ * tell request explicitly to use it.
+ *
+ * Otherwise we can trust request to the right thing.
+ *
+ * @return {String} the proxy configured by npm or an empty string
+ * @api private
+ */
+module.exports = function() {
+  return process.env.npm_config_https_proxy ||
+    process.env.npm_config_proxy ||
+    process.env.npm_config_http_proxy ||
+    '';
+};