fixup! Fix behavior of Commit#parent

tniessen · tniessen · commit a84df76f6403 · 2018-07-22T23:51:17.000+02:00
diff --git a/lib/commit.js b/lib/commit.js
@@ -4,6 +4,7 @@ var Commit = NodeGit.Commit;
 var LookupWrapper = NodeGit.Utils.lookupWrapper;
 
 var _amend = Commit.prototype.amend;
+var _parent = Commit.prototype.parent;
 
 /**
  * Retrieves the commit pointed to by the oid
@@ -19,24 +20,18 @@ Commit.lookup = LookupWrapper(Commit);
  * @param {Number} n
  * @return {Commit}
  */
-Commit.prototype.parent = (function(parent) {
-  if (typeof parent !== "function") {
-    throw new Error("parent is not a function!");
-  }
-
-  return function(n, callback) {
-    var repo = this.repo;
-    return parent.call(this, n).then(p => {
-      p.repo = repo;
+Commit.prototype.parent = function(n, callback) {
+  var repo = this.repo;
+  return _parent.call(this, n).then(p => {
+    p.repo = repo;
 
-      if (typeof callback === "function") {
-        callback(null, p);
-      }
+    if (typeof callback === "function") {
+      callback(null, p);
+    }
 
-      return p;
-    }, callback);
-  };
-})(Commit.prototype.parent);
+    return p;
+  }, callback);
+};
 
 /**
  * Amend a commit
