如何将环境变量嵌入到 Rails 中的 .coffee 文件中？

Question

我看到了这个问题，但是没用：How to access environment variable from rails on your javascript?

我有这个代码

subscriptions.coffee.erb

$ ->
  # Create a Stripe client
  stripe = Stripe( "<% ENV['STRIPE_PUBLIC'] %>" )

我已经设置了这个环境

C:\Users\Chloe\workspace\>echo %STRIPE_PUBLIC%
pk_test_7aMtxxxxxxxxxxxxx4p3M

C:\Users\Chloe\workspace\>rails server --bind 0.0.0.0
=> Booting Puma

然而它正在生成这个 JS:

http://localhost:3000/assets/subscriptions.self-dfceb50c7f2eec8201fd3f59a7660a6763333b1e27f564e812f93c8ce9019188.js?body=1

(function() {
  $(function() {
    var card, elements, form, stripe, stripeTokenHandler, style;
    stripe = Stripe("");

Answer 1

没有人给我答案，我等不及一整天，所以我换了一种方式。

_form.haml

=javascript_include_tag 'https://js.stripe.com/v3/'
:javascript
  window.stripe_public = "#{ENV['STRIPE_PUBLIC']}";

subscriptions.coffee

$ ->
  # Create a Stripe client
  stripe = Stripe( window.stripe_public )

产量

view-source:http://localhost:3000/users/1/subscriptions/new

  <script src="https://js.stripe.com/v3/"></script>
  <script>
    window.stripe_public = "pk_test_7xxxxxxxxxxxx4p3M";
  </script>

http://localhost:3000/assets/subscriptions.self-dfceb50c7f2eec8201fd3f59a7660a6763333b1e27f564e812f93c8ce9019188.js?body=1

(function() {
  $(function() {
    var card, elements, form, stripe, stripeTokenHandler, style;
    stripe = Stripe(window.stripe_public);

Answer 2

在您的模板中，您缺少 = 来实际呈现 ERB 表达式的输出。以下应该有效：

stripe = Stripe("<%= ENV['STRIPE_PUBLIC'] %>")

有关更多信息，请参阅 the docs。

如何将环境变量嵌入到 Rails 中的 .coffee 文件中？

How do I embed an environment variable into a .coffee file in Rails?

javascript

ruby-on-rails

coffeescript