List watchers and expressions

expression_lister.js

getWatchers = function() {
  var watchers, elementsWithScope, scope, i, len;
  watchers = [];
  elementsWithScope = document.querySelectorAll('.ng-scope');
  for (i = 0, len = elementsWithScope.length; i < len; i++) {
    scope = angular.element(elementsWithScope[i]).scope();
    if (scope.$$watchers != null) {
      watchers.push(scope.$$watchers); 
    } 
  } 
  return watchers;
};
 
getExpressions = function(watchers) {
  return _.map(_.flatten(watchers), function(obj) { return obj.exp; });
}
 
// return all the watchers grouped by expression
groupByExpression = function(expressions) {
  if (!expressions) return groupByExpression(getWatchers());
  return _.groupBy(_.flatten(expressions), function(obj) { return obj.exp; })
}