intercept scope prototype 1.0.x

gistfile1.txt

function interceptFunction (object, fnName, options) {
    var noop = function () {};
    var fnToWrap = object[fnName];
    var before = options.before || noop;
    var after = options.after || noop;
 
    object[fnName] = function () {
        before.apply(this, arguments);
        var result = fnToWrap.apply(this, arguments);
        after.apply(this, arguments);
        return result
    }
}
var $scope = angular.element(document.querySelector("[ng-app]")).scope();
var scopePrototype = Object.getPrototypeOf($scope.$root);
var counterPrototype = {
    count: 0,
    increase: function(n) {
        this.report();
        this.count = this.count + (n || 1);
    },
    reset: function (n) {
        this.report();
        this.count = (n || 0);
    },
    report: function () {
        console.log("digestCounter.count: " + this.count);
    }
};
var digestCounter = Object.create(counterPrototype);
interceptFunction(scopePrototype, "$digest", {
    before: digestCounter.increase.bind(digestCounter)
});


// check
digestCounter.reset();