diff options
Diffstat (limited to 'lib/_stream_writable.js')
| -rw-r--r-- | lib/_stream_writable.js | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/_stream_writable.js b/lib/_stream_writable.js index df1d4076d0..d21daf0541 100644 --- a/lib/_stream_writable.js +++ b/lib/_stream_writable.js @@ -37,6 +37,7 @@ const { getHighWaterMark } = require('internal/streams/state'); const { ERR_INVALID_ARG_TYPE, ERR_METHOD_NOT_IMPLEMENTED, + ERR_MULTIPLE_CALLBACK, ERR_STREAM_CANNOT_PIPE, ERR_STREAM_DESTROYED, ERR_STREAM_NULL_VALUES, @@ -449,6 +450,9 @@ function onwrite(stream, er) { var sync = state.sync; var cb = state.writecb; + if (typeof cb !== 'function') + throw new ERR_MULTIPLE_CALLBACK(); + onwriteStateUpdate(state); if (er) |