Not yet.
Version au
Ce script ne doit pas être installé directement. C'est une librairie destinée à être incluse dans d'autres scripts avec la méta-directive // @require https://update.greatest.deepsurf.us/scripts/2599/16319/GM%202%20port%20-%20Function%20Override%20Helper.js
GreasyMonkey 2.x Beta will break lots scripts, this library has made to help function hooking.
It provides 2.x API exportFunction and cloneInto for 1.x support (Which is just dummy sandbox).
It's well documented(Should be..) in source.
Add unsafeExec, execute function as script text on page.
Fix this problem when hooking prototype / Object function.
return foo.apply({}, args); -> return foo.apply(this, args);
return bak.apply ({}, arguments); -> return bak.apply (this, arguments);
document.body -> document.head, to prevent document.body is null error.