I can't seem to find the Angularjs minify error. The error message says "$injector

Dealing with the frustrating Angular minify issue (fingers crossed it's resolved in Angular 2)

I've gone through and commented out all my app module injections one by one to pinpoint where the problem lies, and it seems like the culprit might be my searchPopoverDirectives:

Can anyone spot what I'm doing incorrectly?

The original code is generating this error:

Unknown provider: eProvider <- e

(function() { "use strict";

    var app = angular.module('searchPopoverDirectives', [])

    .directive('searchPopover', function() {
        return {
            templateUrl : "popovers/searchPopover/searchPopover.html",
            restrict    : "E",
            scope       : false,
            controller  : function($scope) {

                // Initializing SearchPopover scope:
                // -------------------------
              var vs = $scope;
                vs.searchPopoverDisplay = false;

            }
        }
    })

})();

I attempted using the [] syntax to resolve the minify issue and encountered this error instead: this error:

Unknown provider: $scopeProvider <- $scope <- searchPopoverDirective

(function() { "use strict";

    var app = angular.module('searchPopoverDirectives', [])

    .directive('searchPopover', ['$scope', function($scope) {
        return {
            templateUrl : "popovers/searchPopover/searchPopover.html",
            restrict    : "E",
            scope       : false,
            controller  : function($scope) {

                // Initializing SearchPopover scope:
                // -------------------------
                var vs = $scope;
                vs.searchPopoverDisplay = false;

            }
        }
    }])

})();

UPDATE: Discovered another problematic area with this directive:

.directive('focusMe', function($timeout, $parse) {
    return {
        link: function(scope, element, attrs) {
            var model = $parse(attrs.focusMe);
          scope.$watch(model, function(value) {
                if (value === true) { 
                    $timeout(function() {
                        element[0].focus(); 
                    });
                }
            });
            element.bind('blur', function() {
                scope.$apply(model.assign(scope, false));
            })
        }
    }
})

Answer №1

When code is minified, it compresses all the code including your

controller  : function($scope) {

which gets minified to something like

controller  : function(e) {

so, one way to handle this is by using

controller  : ["$scope", function($scope) { ... }]

Answer №2

When compressing javascript, parameter names are altered while strings remain unchanged. There are 2 methods available for specifying which services need to be injected:

  1. Inline Annotation:

    phonecatApp.controller('PhoneListCtrl', ['$scope', '$http', function($scope, $http){
        ...
    }]);
    
  2. Usage of the $inject property:

    phonecatApp.controller('PhoneListCtrl', PhoneListCtrl);
    
    PhoneListCtrl.$inject = ['$scope', '$http'];
    
    function PhoneListCtrl($scope, $http){
        ...
    }
    

The use of $inject is preferred over inline annotations for clarity. It is recommended to have one line for declaring the controller, service, or directive, one line for defining the injection values, and then the implementation method. The method might be defined last due to the hoisting feature of javascript.

Note: The order of your annotation (strings) and your function parameters must match!

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