* first action! (#1)

node_modules/npm-check-updates/lib/raw-promisify.js

@@ -0,0 +1,28 @@
+'use strict';
+const _ = require('lodash');
+
+/**
+ * For some reason, Promise.promisifyAll does not work on npm.commands :(
+ *   Promise.promisifyAll(npm.commands);
+ * So we have to do it manually.
+ */
+function rawPromisify(obj) {
+    _.each(obj, (method, name) => {
+        obj[`${name}Async`] = () => {
+            const args = [].slice.call(arguments);
+            const that = this;
+            return new Promise((resolve, reject) => {
+                args.push((err, results) => {
+                    if (err) {
+                        reject(err);
+                    } else {
+                        resolve(results);
+                    }
+                });
+                return method.apply(that, args);
+            });
+        };
+    });
+}
+
+module.exports = rawPromisify;