two weeks later

$ bower install

/**
 * Bento Service Provider
 *
 * This service uses the mediaTypes service to organize the engine results by media type
 * and preloaded an engine's template and controller (if defined) if there are results for that engine.
 */
    .service('Bento', ['$routeParams', '$rootScope','$q', 'oneSearch', 'mediaTypes', function($routeParams, $rootScope, $q, oneSearch, mediaTypes){
        //variable representing 'this' for closure context
        //this ensures function closure reference variables in the right context
        var self = this;

        /**
         * Object to hold box data
         * @Object = {
         *      // Box names are generated by media types defined by registered engines
         *      NAME: {
         *          // An Array of engine names (String) used to get engine templates/controllers and track when the box is done loading.
         *          // Once an engine is finished loading, the engine's name is removed from this array. The removed value is used to reference the loaded engine's preloaded
         *          // template/controller. Once this Array is empty the "box" is considered loaded.
         *          engines: Array,
         *
         *          // The object's keys are the engine names and the values are the results returned using
         *          // the JSON path from an engine's resultsPath param
         *          results: {
         *              ENGINE_NAME1: {},
         *              ENGINE_NAME2: {},
         *              etc...
         *          }
         *      }
         *  }
         */
        this.boxes = {};

        this.boxMenu = [];

        /**
         * Object to hold pre-loaded engine templates and controllers.
         * Templates and controllers are only pre-loaded if the engine yields results.
         * @Object = {
         *      // Engine name, defined by engine's config registering with the oneSearchProvider
         *      NAME: {
         *          // the "tpl" key returns a Promise to retrieve the engine's template
         *          // The Promise is generated from Angular's $http Service (https://code.angularjs.org/1.3.0/docs/api/ng/service/$http),
         *          // which uses the promise methods from Angular's $q Service (https://code.angularjs.org/1.3.0/docs/api/ng/service/$q)
         *          tpl: Promise,
         *
         *          // The "controller" key will return an instance of the engine's controller or "null" if no controller was defined
         *          controller: Controller Instance|null
         *      }
         * }
         */
        this.engines = {};

        // Helper function that removes an engine's name from a box's "engines" Array
        // Once the "engines" Array is empty, the box is considered "loaded"
        function loadProgress(type, engine){
            var i = self.boxes[type].engines.indexOf(engine);
            if(i != -1) {
                setResultLimit(type);
                self.boxes[type].engines.splice(i, 1);
            }
        }

        // Remove an engine from all boxes
        function removeFromBoxes(engine){
            angular.forEach(self.boxes, function(box, type){

                loadProgress(type, engine);
            })
        }

        function initResultLimit(box){
            var numEngines = self.boxes[box]['engines'].length;
            var limit = numEngines > 1 ? 1 : (numEngines < 2 ? 3 : 2);
            self.boxes[box].resultLimit = limit;
        }

        function setResultLimit(box){
            $q.when(self.boxes[box].results)
                .then(function(results){
                    var numResults = Object.keys(results).length;
                    var numEngines = self.boxes[box]['engines'].length;
                    var expecting = numResults + numEngines;

                    if ((expecting < 2 && self.boxes[box].resultLimit < 3) || (expecting < 3 && self.boxes[box].resultLimit < 2)){
                        self.boxes[box].resultLimit++;
                    }
                });
        }

        var engines;

        // Gets all boxes
        this.getBoxes = function(){
            // Search all engines registered with the oneSearch Provider, giving the
            // $routeParams object as the parameter (https://code.angularjs.org/1.3.0/docs/api/ngRoute/service/$routeParams)
            engines = oneSearch.searchAll($routeParams);

            // Deep copy media types defined by registered engines to the this.boxes object.
            angular.copy(mediaTypes.types, self.boxes);

            // Pre-define the "results" object for each media type - I only do this here so I don't have to check if it's defined later
            angular.forEach(self.boxes, function(box, type){
                initResultLimit(type);
                self.boxes[type].results = {};
                self.boxes[type].resourceLinks = {};
                self.boxes[type].resourceLinkParams = {};

            });

            //  Iterate over the Promises for each engine returned by the oneSearch.searchAll() function
            angular.forEach(engines, function(engine, name){

                engine.response
                    .then(function(data){ // If $http call was a success

                        // User the engine's results getter to get the results object
                        // The results getter is defined by the JSON path defined by the
                        // "resultsPath" param in an engine's config
                        var res = engine.getResults(data);
                        var link = engine.getResourceLink(data);

                        // Double check that the data is defined, in case the search API returned a '200' status with empty results.
                        if (isEmpty(res)){
                            //console.log(self.boxes);
                            removeFromBoxes(name);
                            //console.log(self.boxes);
                        }
                        else {
                            res = res.map(function(item, i){
                                var newItem = item;
                                newItem.position = i;
                                return newItem;
                            });
                            //console.log(res);
                            // Group the results by defined media types
                            var grouped = mediaTypes.groupBy(res, engine.mediaTypes);

                            // Iterate over the boxes.
                            Object.keys(self.boxes).forEach(function(type){
                                // If a box type matches a group in the grouped results
                                if (grouped.hasOwnProperty(type)){
                                    // Put results in the boxes "results" object, referenced by the engine's name
                                    // Ex: self.boxes['books'].results['catalog'] = group_result;
                                    //
                                    // Also, limit the number of results per group by 3
                                    // and sort by generation position in the original results list
                                    self.boxes[type].results[name] = grouped[type].sort(function(a, b){
                                        if (a.position > b.position){
                                            return 1;
                                        }
                                        if (a.position < b.position){
                                            return -1;
                                        }
                                        return 0;
                                    });

                                    // set resource "more" link
                                    self.boxes[type].resourceLinks[name] = decodeURIComponent(link[engine.id]);

                                    // set resource link parameters by media type specified by the engine config
                                    if (angular.isObject(engine.mediaTypes)){
                                        self.boxes[type].resourceLinkParams[name] = engine.mediaTypes.types[type];
                                    }
                                }
                                // update loading progress, setting engine as loaded for current box
                                loadProgress(type, name);
                            });

                            //preload the engine's template for easy access for directives
                            self.engines[name] = {};
                            self.engines[name].tpl = oneSearch.getEngineTemplate(engine);
                            self.engines[name].controller = oneSearch.getEngineController(engine);
                        }
                    }, function(msg){
                        // If error code return from $http, iterate through boxes object
                        // and remove any instance engine from a box's "engines" array
                        removeFromBoxes(name);
                    });
            });

        }
    }])

.service("Bento", [ "$routeParams", "$rootScope", "$q", "oneSearch", "mediaTypes", function(a, b, c, d, e) {
    function f(a, b) {
        var c = j.boxes[a].engines.indexOf(b);
        -1 != c && (i(a), j.boxes[a].engines.splice(c, 1));
    }
    function g(a) {
        angular.forEach(j.boxes, function(b, c) {
            f(c, a);
        });
    }
    function h(a) {
        var b = j.boxes[a].engines.length, c = b > 1 ? 1 : 2 > b ? 3 : 2;
        j.boxes[a].resultLimit = c;
    }
    function i(a) {
        c.when(j.boxes[a].results).then(function(b) {
            var c = Object.keys(b).length, d = j.boxes[a].engines.length, e = c + d;
            (2 > e && j.boxes[a].resultLimit < 3 || 3 > e && j.boxes[a].resultLimit < 2) && j.boxes[a].resultLimit++;
        });
    }
    var j = this;
    this.boxes = {}, this.boxMenu = [], this.engines = {};
    var k;
    this.getBoxes = function() {
        k = d.searchAll(a), angular.copy(e.types, j.boxes), angular.forEach(j.boxes, function(a, b) {
            h(b), j.boxes[b].results = {}, j.boxes[b].resourceLinks = {}, j.boxes[b].resourceLinkParams = {};
        }), angular.forEach(k, function(a, b) {
            a.response.then(function(c) {
                var h = a.getResults(c), i = a.getResourceLink(c);
                if (isEmpty(h)) g(b); else {
                    h = h.map(function(a, b) {
                        var c = a;
                        return c.position = b, c;
                    });
                    var k = e.groupBy(h, a.mediaTypes);
                    Object.keys(j.boxes).forEach(function(c) {
                        k.hasOwnProperty(c) && (j.boxes[c].results[b] = k[c].sort(function(a, b) {
                            return a.position > b.position ? 1 : a.position < b.position ? -1 : 0;
                        }), j.boxes[c].resourceLinks[b] = decodeURIComponent(i[a.id]), angular.isObject(a.mediaTypes) && (j.boxes[c].resourceLinkParams[b] = a.mediaTypes.types[c])), 
                        f(c, b);
                    }), j.engines[b] = {}, j.engines[b].tpl = d.getEngineTemplate(a), j.engines[b].controller = d.getEngineController(a);
                }
            }, function() {
                g(b);
            });
        });
    };
} ])

.service("Bento",["$routeParams","$rootScope","$q","oneSearch","mediaTypes",
function(a,b,c,d,e){function f(a,b){var c=j.boxes[a].engines.indexOf(b);-1!=
c&&(i(a),j.boxes[a].engines.splice(c,1))}function g(a){angular.forEach(j.boxes,
function(b,c){f(c,a)})}function h(a){var b=j.boxes[a].engines.length,
c=b>1?1:2>b?3:2;j.boxes[a].resultLimit=c}function i(a){c.when(j.boxes[a].results)
.then(function(b){var c=Object.keys(b).length,d=j.boxes[a].engines.length,e=c+d;(2>e&&j.boxes[a].resultLimit<3||3>e&&j.boxes[a].resultLimit<2)&&j.boxes[a]
.resultLimit++})}var j=this;this.boxes={},this.boxMenu=[],this.engines={};
var k;this.getBoxes=function(){k=d.searchAll(a),angular.copy(e.types,j.boxes)
,angular.forEach(j.boxes,function(a,b){h(b),j.boxes[b].results={},j.boxes[b]
.resourceLinks={},j.boxes[b].resourceLinkParams={}}),angular.forEach(k,
function(a,b){a.response.then(function(c){var h=a.getResults(c),i=a.getResourceLink(c);if(isEmpty(h))g(b);
else{h=h.map(function(a,b){var c=a;return c.position=b,c});var k=e.groupBy(h,a.mediaTypes);
Object.keys(j.boxes).forEach(function(c){k.hasOwnProperty(c)&&(j.boxes[c].results[b]=k[c]
.sort(function(a,b){return a.position>b.position?1:a.position<b.position?-1:0}),j.boxes[c].resourceLinks[b]=decodeURIComponent(i[a.id]),angular.isObject
(a.mediaTypes)&&(j.boxes[c].resourceLinkParams[b]=a.mediaTypes.types[c])),
f(c,b)}),j.engines[b]={},j.engines[b].tpl=d.getEngineTemplate(a),j.engines[b]
.controller=d.getEngineController(a)}},function(){g(b)})})}}])

actually one line - no whitespace

    concat: {
            app: {
                src: ['tmp/templates.js', 'src/app/**/*.js'],
                dest: 'dist/onesearch.js'
            },
            index: {
                src: 'src/index.html',
                dest: 'dist/index.html',
                options: {
                    process: true
                }
            }
        },
        uglify: {
            options: {
                mangle: true
            },
            app: {
                files: {
                    'dist/onesearch.min.js': ['dist/onesearch.js']
                }
            }
        }

/* Dev build task*/
grunt.registerTask('dev', ['concat']);

/* Live build task*/
grunt.registerTask('live', ['dev', 'uglify']);

# Run dev build task
$ grunt dev

# Run live build task
$ grunt live