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fix (websocket): ErrorEvent constructor should convert arguments before passing to super() #4439

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fix (websocket): ErrorEvent constructor should convert arguments before passing to super() #4439

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6 changes: 3 additions & 3 deletions lib/web/websocket/events.js
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Original file line number Diff line number Diff line change
Expand Up @@ -143,13 +143,13 @@ class ErrorEvent extends Event {
const prefix = 'ErrorEvent constructor'
webidl.argumentLengthCheck(arguments, 1, prefix)

super(type, eventInitDict)
webidl.util.markAsUncloneable(this)

type = webidl.converters.DOMString(type, prefix, 'type')
eventInitDict = webidl.converters.ErrorEventInit(eventInitDict ?? {})

super(type, eventInitDict)

this.#eventInit = eventInitDict
webidl.util.markAsUncloneable(this)
}

get message () {
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