warning
abstract fun warning(message: String, sourceName: String?, line: Int, lineSource: String?, lineOffset: Int)
Report a warning. The implementing class may choose to ignore the warning.
Parameters
message
a String describing the warning
sourceName
the JavaScript source where the warning occurred, typically a filename or URL
line
the line number associated with the warning
lineSource
the text of the line (may be null)
lineOffset
the offset into lineSource where the problem was detected