2 people reported

All time, since Sep 27.

Built-in ws differs from npm ws

“The built-in ws module differs from npm ws 8.21.0 on node v26.3.0 in the places below.”

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I hit this bug: rapsheet.dev/sheets/bun/issues/4486/file
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Built-in ws module differs from npm ws. Server and client sockets differ from npm ws, e.g. server BunWebSocketMocked lacks pause(), resume() and isPaused.

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Where
ws compatibility module
Error text
TypeError: ws.pause is not a function
Versions
1.4.2
Platforms
Linux, macOS
How bad
Breaks a normal workflow.

Original reports2, newest first

  1. Node.js ws compatibility: server WebSocket (BunWebSocketMocked) is missing pause(), resume(), and isPaused#44453
  2. ws: differences from npm ws that remain on the built-in client and server sockets#44108

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