chore(*): add file missed in last commit

dist/commonjs/util.js

@@ -0,0 +1,22 @@
+"use strict";
+
+exports.processPotential = processPotential;
+function processPotential(obj, resolve, reject) {
+  if (obj && typeof obj.then === "function") {
+    var dfd = obj.then(resolve);
+
+    if (typeof dfd["catch"] === "function") {
+      return dfd["catch"](reject);
+    } else if (typeof dfd.fail === "function") {
+      return dfd.fail(reject);
+    }
+
+    return dfd;
+  } else {
+    try {
+      return resolve(obj);
+    } catch (error) {
+      return reject(error);
+    }
+  }
+}