getWatchers function

client/core/src/lib/get-watchers.js

@@ -0,0 +1,22 @@
+function getWatchers(root) {
+    root = angular.element(root || document.documentElement);
+
+    function getElemWatchers(element) {
+        let isolateWatchers = getWatchersFromScope(element.data().$isolateScope);
+        let scopeWatchers = getWatchersFromScope(element.data().$scope);
+        let watchers = scopeWatchers.concat(isolateWatchers);
+        angular.forEach(element.children(), childElement => {
+            watchers = watchers.concat(getElemWatchers(angular.element(childElement)));
+        });
+        return watchers;
+    }
+
+    function getWatchersFromScope(scope) {
+        if (scope)
+            return scope.$$watchers || [];
+        return [];
+    }
+
+    return getElemWatchers(root).length;
+}
+export default getWatchers;