added async.asyncify. closes #671

1 files changed, 15 insertions, 0 deletions

diff --git a/lib/async.js b/lib/async.js
index 0da1062..6191b57 100644
--- a/lib/async.js
+++ b/lib/async.js
@@ -1221,6 +1221,21 @@
         };
     };
 
+    async.wrapSync =
+    async.asyncify = function asyncify(func) {
+        return function (/*args..., callback*/) {
+            var args = _baseSlice(arguments);
+            var callback = args.pop();
+            var result;
+            try {
+                result = func.apply(this, args);
+            } catch (e) {
+                return callback(e);
+            }
+            callback(null, result);
+        };
+    };
+
     // Node.js
     if (typeof module !== 'undefined' && module.exports) {
         module.exports = async;