Simple Angular.js filter to search in array of items.

controllers.coffee

app.controller 'ListController', ($scope, $filter) ->
    $scope.search = {}
    $scope.all_data = [
      {title: 'Three men on the bummel', 'author': 'Jerome Klapka Jerome', meta: {isbn: 2234}}
      {title: 'Three men on a boat', 'author': 'Jerome Klapka Jerome', meta: {isbn: 1234}}
      {title: 'Three musketeers', 'author': 'Alexandre Dumas', meta: {isbn: 4566}}
      {title: 'Four tank men and a dog', 'author': 'Janusz Przymanowsky', meta: {isbn: 1222}}
      ]

    $scope.$watch("search.query", ( ->
        #Object is resource 
        $scope.display_data = $filter("matchAllToProperties")($scope.all_data, $scope.search.query, 
            ['prev_state','next_state'])

    ), true)
    
    $scope.clearSearch = () ->
      $scope.search = {}

filters.coffee

angular.module("filters", [])
    .filter('matchAllToProperties', () ->
        return (input, query, exclude) ->
            if not input or not query
                return input

            bits = (b.toLowerCase() for b in query.split(' ') when b isnt ' ')
            
            filtered = []

            for item in input
                item_copy = angular.copy(item)

                #Remove fields in which we don't want to search
                _.each(exclude, (prop)-> delete item_copy[prop])

                json = JSON.stringify(item_copy).toLowerCase()
                if _.every(bits, (bit) -> json.indexOf(bit) > 0)
                    filtered.push(item)
 
            return filtered
    )