Backbone.Layoutmanager错误尝试初始化视图

时间:2013-09-12 16:42:46

标签: javascript backbone.js backbone-views backbone-layout-manager

我正在尝试使用Backbone.Layoutmanager创建一个骨干应用程序。

我收到了这个相当无益的错误

Uncaught TypeError: Object.keys called on non-object

我从一个空的html文件开始,我想将'appChrome'布局渲染成。

<!doctype html>
    <!--[if lt IE 7]>      <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
    <!--[if IE 7]>         <html class="no-js lt-ie9 lt-ie8"> <![endif]-->
    <!--[if IE 8]>         <html class="no-js lt-ie9"> <![endif]-->
    <!--[if gt IE 8]><!--> <html class="no-js"> <!--<![endif]-->

    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
        <title>Enrollment Processing</title>
        <meta name="description" content="">
        <meta name="viewport" content="width=device-width">
        <link rel="stylesheet" href="styles/main.css">

        <!-- build:js scripts/vendor/modernizr.js -->
        <script src="bower_components/modernizr/modernizr.js"></script>
        <!-- endbuild -->
    </head>

    <body>

        <!-- build:js scripts/vendor.js -->
        <script src="bower_components/jquery/jquery.js"></script>
        <script src="bower_components/underscore/underscore.js"></script>
        <script src="bower_components/backbone/backbone.js"></script>
        <script src="bower_components/layoutmanager/backbone.layoutmanager.js"></script>
        <!-- endbuild -->

        <!-- build:js scripts/app.js -->
        <script src="scripts/app.js"></script>
        <script src="scripts/router.js"></script>
        <script src="scripts/templates.js"></script>
        <script src="scripts/views/appChrome.js"></script>
        <!-- endbuild -->
    </body>
</html>

那里没什么特别的。

我的app.js也很简单,

/* global enrollmentProcessingApp, $ */

window.enrollmentProcessingApp = {
    Models: {},
    Collections: {},
    Views: {},
    Routers: {},
    init: function () {
        'use strict';

        Backbone.Layout.configure({
            manage: true
        });


        var app = new enrollmentProcessingApp.Routers.AppRouter();

        Backbone.history.start({pushState: true});

    }
};

$(document).ready(function () {
    'use strict';
    enrollmentProcessingApp.init();
});

一些魔法开始在路由器中发生

/*global enrollmentProcessingApp, Backbone*/

enrollmentProcessingApp.Routers = enrollmentProcessingApp.Routers || {};

(function () {
    'use strict';

    enrollmentProcessingApp.Routers.AppRouter = Backbone.Router.extend({
        routes: {
          ''            : 'default_route'
        },

        initialize: function(){
            appChrome = new enrollmentProcessingApp.Views.AppChromeView();

        },

        default_route: function(){
            console.log("default route called");
        }
    });

})();

初始化函数中的那行是抛出错误的。

appChrome = new enrollmentProcessingApp.Views.AppChromeView();

这是AppChromeView视图。再次非常简单。

/*global enrollmentProcessingApp, Backbone, JST*/

enrollmentProcessingApp.Views = enrollmentProcessingApp.Views || {};

(function () {
    'use strict';

    enrollmentProcessingApp.Views.AppChromeView = Backbone.View.extend({

        template: JST['app/scripts/templates/appChrome.ejs']

    });

})();

如你所见,我正在使用JST。该模板也非常简单。

<p>Hello World</p>

我到底做错了什么?

1 个答案:

答案 0 :(得分:0)

这是由Underscore引起的错误。最近他们一直在打破落后的兼容性而没有真正关心用户......所以这样的错误开始发生。

解决方案? - 您可以将Underscore恢复为1.4.3(或更早) - 您可以使用master分支中的最新LayoutManager或等待版本0.9.3(即将推出)。 (相关问题:https://github.com/tbranyen/backbone.layoutmanager/issues/383