CanvasBlocker/lib/modifiedAPIFunctions.js

27 lines
762 B
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
(function(){
"use strict";
var scope;
if ((typeof exports) !== "undefined"){
scope = exports;
}
else {
window.scope.modifiedAPIFunctions = {};
scope = window.scope.modifiedAPIFunctions;
}
scope.checkerWrapper = function checkerWrapper(checker, object, args, callback){
const check = checker.call(object);
if (check.allow){
if (check.allow === true){
return check.original.apply(object, check.window.Array.from(args));
}
return callback.call(object, args, check);
}
check.notify("blocked");
return undefined;
};
}());