Created
April 28, 2017 05:21
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Get Angular Watchers count
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(function () { | |
if (!angular) { | |
console.log('Not a angular application or window.angular not found'); | |
return; | |
} | |
var root = angular.element(document.getElementsByTagName('body')); | |
var watchers = []; | |
var f = function (element) { | |
angular.forEach(['$scope', '$isolateScope'], function (scopeProperty) { | |
if (element.data() && element.data().hasOwnProperty(scopeProperty)) { | |
angular.forEach(element.data()[scopeProperty].$$watchers, function (watcher) { | |
watchers.push(watcher); | |
}); | |
} | |
}); | |
angular.forEach(element.children(), function (childElement) { | |
f(angular.element(childElement)); | |
}); | |
}; | |
f(root); | |
var watchersWithoutDuplicates = []; | |
angular.forEach(watchers, function(item) { | |
if(watchersWithoutDuplicates.indexOf(item) < 0) { | |
watchersWithoutDuplicates.push(item); | |
} | |
}); | |
console.log('There is ' + watchersWithoutDuplicates.length + ' watcher(s) in the page'); | |
})(); |
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