tguard-js
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    Function hasErrorMessage

    • Determines whether the provided value has a usable error message.

      Parameters

      • x: unknown

        The value to be checked.

      Returns x is { message: string }

      true if the value contains a string message.

      This function is useful when logging or displaying error messages safely from unknown values.

      Value Result
      new Error('msg') true
      { message: 'msg' } true
      {} false

      1.0