These would often cause runtime failures anyway. Generating nicer error messages for such runtime failures is not worth the cost in generated code size, especially given that such scenarios indicate a coding failure on the part of the user of webidl2js, not the user of jsdom.
These would often cause runtime failures anyway. Generating nicer error messages for such runtime failures is not worth the cost in generated code size, especially given that such scenarios indicate a coding failure on the part of the user of webidl2js, not the user of jsdom.