diff --git a/changelog.md b/changelog.md
index be130f7809..2fbff8b41b 100644
--- a/changelog.md
+++ b/changelog.md
@@ -246,6 +246,8 @@
 
 - Added dollar `$` and `len` for `jsre.RegExp`.
 
+- Added `hasDataBuffered` to `asyncnet`.
+
 - Added `hasClosure` to `std/typetraits`.
 
 
diff --git a/lib/pure/asyncnet.nim b/lib/pure/asyncnet.nim
index f36c427de5..7aeb997774 100644
--- a/lib/pure/asyncnet.nim
+++ b/lib/pure/asyncnet.nim
@@ -650,6 +650,11 @@ proc bindAddr*(socket: AsyncSocket, port = Port(0), address = "") {.
     raiseOSError(osLastError())
   freeaddrinfo(aiList)
 
+proc hasDataBuffered*(s: AsyncSocket): bool {.since: (1, 5).} =
+  ## Determines whether an AsyncSocket has data buffered.
+  # xxx dedup with std/net
+  s.isBuffered and s.bufLen > 0 and s.currPos != s.bufLen
+
 when defined(posix):
 
   proc connectUnix*(socket: AsyncSocket, path: string): owned(Future[void]) =