[check package] Object can't have the "nodeType" property

[lukejagodzinski]

Because of this line https://github.com/meteor/meteor/blob/devel/packages/check/isPlainObject.js#L36 it is not possible to check existence of the nodeType property. It treats it as non plain object. The following code will not work.

const pattern = Match.ObjectIncluding({ nodeType: Match.Any });
check({ nodeType: 'asd' }, pattern);
// Throws "Match error: Expected plain object"

[hwillson]

The current isPlainObject function in the check package was extracted from jquery 1.11.2, to remove the check packages dependency on jquery. Modern versions of jquery's isPlainObject function do not have the nodeType issue mentioned in this issue thread (example). We can likely just drop a copy of jquery's updated isPlainObject function into the check package (after massaging it a bit and adding some additional tests), and be good to go on this one.

[abernix]

check@1.2.5 was just published with the fix submitted in #8351. Thanks for reporting this originally, @jagi, thanks to @hwillson for the analysis and thanks @nlhuykhang for the fix! Great cooperation!