Fix crash in no-unsupported-role-attributes
rule
#2917
Merged
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Resolves #2916.
Handle the case where aria-query's role mapping data does not have an attributes property defined.
Note: as I mentioned in #2916 I'm a little confused by the current behavior where an
<input>
with atype
that doesn't match anything sort of defaults to being treated like a<button>
. If that's correct (or correct enough) then this should work, but if that's also a bug then we'll want a different solution here.