New Ramda Switch

0-angular-filter.html

<input ng-model="filter.search" type="text" />
<select ng-model="filter.category" ng-options="c for c in categories" />

1-fnSwitch.js

R.fnSwitch = function(fnList) {
  return R.mapObjIndexed((val, key) => fnList[key](val));
};

2-better-switch.js

var fnList = {
  'search': function(search) {
    // Filter by search string
  },
  'category': function(category) {
    // Filter by category
  },
}
 
var mySwitch = R.fnSwitch(fnList);

$scope.$watchCollection('filter', function(filter) {
    mySwitch(filter);
});