Add back reflect and reflectAll.

1 files changed, 29 insertions, 0 deletions

diff --git a/lib/reflect.js b/lib/reflect.js
new file mode 100644
index 0000000..53cfa44
--- /dev/null
+++ b/lib/reflect.js
@@ -0,0 +1,29 @@
+'use strict';
+
+export default function reflect(fn) {
+    return function reflectOn() {
+        var args = Array.prototype.slice.call(arguments);
+        var reflectCallback = args.pop();
+
+        args.push(function callback(err) {
+            if (err) {
+                reflectCallback(null, {
+                    error: err
+                });
+            } else {
+                var cbArgs = Array.prototype.slice.call(arguments, 1);
+                var value = null;
+                if (cbArgs.length === 1) {
+                    value = cbArgs[0];
+                } else if (cbArgs.length > 1) {
+                    value = cbArgs;
+                }
+                reflectCallback(null, {
+                    value: value
+                });
+            }
+        });
+
+        return fn.apply(this, args);
+    };
+}