根据Rails环境动态设置Rails javascript资产的价值
[英]Dynamically set value in Rails javascript asset based on Rails environment
问题描述
I have a js file used for Recurly: 
我有一个用于递归的js文件：
(function() {
// Required
Recurly.config({
subdomain: 'MYSUBDOMAIN',
currency: 'USD'
});
})();
I'd like to be able to switch the subdomain attribute based on my Rails environment but keep this javascript available to the asset pipeline. 我希望能够根据我的Rails环境切换subdomain属性，但保持此javascript可用于资产管道。 Is this possible within asset pipeline or what is the best way to achieve the equivalent functionality? 在资产流水线内这是否可能，或者实现等效功能的最佳方法是什么？
1 个解决方案
解决方案1
0 已采纳 2012-10-17 20:16:51
It's a disappointingly hacky solution but you could set a global variable in the <head> of your document before your asset pipelined JS is included and then use that variable later, eg: 这是一个令人失望的解决方案，但是您可以在包含资产管道JS之前在文档的<head>中设置全局变量，然后在以后使用该变量，例如：
In your application.html.erb : 在您的application.html.erb ：
<head>
...
<%= javascript_tag "var subdomain = '#{request.subdomains.join(".")}';" %>
<%= javascript_include_tag "application" %>
...
</head>
And in your JS: 在您的JS中：
(function() {
// Required
Recurly.config({
subdomain: subdomain,
currency: 'USD'
});
})();
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