Rails 4 + ReactJS：“ SyntaxError：在隐式对象中不能有隐式值”

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问题描述

我正在关注Fernando Villalobos的

但是，当我访问 localhost：3000 / records ，出现以下错误：
Records＃index 中的ExecJS :: RuntimeError语法错误：[stdin]：7：10：隐式对象中的隐式值不能为 < title> Expenses< / title> <％= stylesheet_link_tag应用程序，媒体：全部，数据-turbolinks-track =>真实％> <％= javascript_include_tag应用程序， data-turbolinks-track =>真实％> <％= csrf_meta_tags％> < / head> < body>
特别是，引起问题的行似乎是：
<％= javascript_include_tag'application'，'data-turbolinks-track'=>真实％>
任何关于探针是什么以及如何使事情起作用的想法？
解决方案
尝试使用以下脚本而不是当前的脚本（只需从该脚本中删除 React.DOM ）：
@Records = React.createClass 呈现：-> div className：'records' h2 className：'title' 'Records'

I am following Fernando Villalobos' React.js - A guide for Rails developers AirPair tutorial.
The goal here is to build a simple expense tracking app, using Rails and React JS.
In the Nesting Components: Listing Records section, the author recommends to create a app/views/records/index.html.erb file as follows:
<%# app/views/records/index.html.erb %> <%= react_component 'Records', { data: @records } %>
AND a javascripts/components/records.js.coffee file as follows:
# app/assets/javascripts/components/records.js.coffee @Records = React.createClass render: -> React.DOM.div className: 'records' React.DOM.h2 className: 'title' 'Records'
Then, when we visit localhost:3000/records, we are supposed to see the following:
However, when I visit localhost:3000/records, I get the following error:
ExecJS::RuntimeError in Records#index SyntaxError: [stdin]:7:10: cannot have an implicit value in an implicit object <title>Expenses</title> <%= stylesheet_link_tag 'application', media: 'all', 'data-turbolinks-track' => true %> <%= javascript_include_tag 'application', 'data-turbolinks-track' => true %> <%= csrf_meta_tags %> </head> <body>
In particular, the line causing the issue seems to be:
<%= javascript_include_tag 'application', 'data-turbolinks-track' => true %>
Any idea of what the probelm is and how I can make things work?
解决方案
Try the following coffescript instead of your current coffescript(Just removing React.DOM from the coffescript):
@Records = React.createClass render: -> div className: 'records' h2 className: 'title' 'Records'

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