Add a "log error or continue" function to wrap a callback when no other action is required.

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/utils/log.js b/lib/utils/log.js
index 522c5cf3c..143071e99 100644
--- a/lib/utils/log.js
+++ b/lib/utils/log.js
@@ -11,3 +11,11 @@ function log (msg, pref, cb) {
   cb && cb()
 }
 
+log.er = function (cb, msg) {
+  if (!msg) throw new Error(
+    "Why bother logging it if you're not going to print a message?")
+  return function (er) {
+    if (er) log(msg, "fail")
+    cb.apply(this, arguments)
+  }
+}