Rin Iwai

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icon location Aichi, Japan icon location rclcppと戯れたり，低レイヤで通信したりしている．

Results 1 issues of Rin Iwai

Fix onerror handler

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### Changelog EventEmitter always emits values of `Error` types on "error", not `undefined`. ### Description According to [the documentation of ws module for Node.js](https://github.com/websockets/ws/blob/HEAD/doc/ws.md#event-error), onerror handler emits `Error` types. However,...