Fix missing argument validation on last option #14
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Normally, omitting an argument to a switch yields in a
OptError("Expected switch argument")
. Example codeThis does as you would expect and throws. However, calling
parser.parse(['--example']);
will not throw even though the argument toexample
is mandatory and missing. This is because thearg
isundefined
so neitherLONG_SWITCH_RE
norSHORT_SWITCH_RE
match it.