Generate stylesheet_link_tag on separate lines

seanpdoyle · seanpdoyle · commit 067e42b2b860 · 2021-08-29T18:23:22.000-04:00
Prior to this change, installing the engine via `bin/rails
tailwindcss:install` yielded the following diff:

```diff
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -6,7 +6,9 @@
     &lt;%= csp_meta_tag %&gt;

-    &lt;%= stylesheet_link_tag "application", "data-turbo-track": "reload" %&gt;
+
+    &lt;%= stylesheet_link_tag "inter-font", "data-turbo-track": "reload" %&gt;
+    &lt;%= stylesheet_link_tag "tailwind", "data-turbo-track": "reload" %&gt;    &lt;%= stylesheet_link_tag "application", "data-turbo-track": "reload" %&gt;
     &lt;%= javascript_importmap_tags %&gt;
   &lt;/head&gt;
```

After this change, the calls to `stylesheet_link_tag` with
`"inter-font"`, `"tailwind"`, and `"application"` all occur on their own
lines.
diff --git a/lib/install/tailwindcss.rb b/lib/install/tailwindcss.rb
@@ -2,7 +2,10 @@
 
 if APPLICATION_LAYOUT_PATH.exist?
   say "Add Tailwindcss include tags in application layout"
-  insert_into_file Rails.root.join("app/views/layouts/application.html.erb").to_s, %(\n    <%= stylesheet_link_tag "inter-font", "data-turbo-track": "reload" %>\n    <%= stylesheet_link_tag "tailwind", "data-turbo-track": "reload" %>), before: /^\s*<%= stylesheet_link_tag/
+  insert_into_file APPLICATION_LAYOUT_PATH.to_s, <<~ERB.indent(4), before: /^\s*<%= stylesheet_link_tag/
+    <%= stylesheet_link_tag "inter-font", "data-turbo-track": "reload" %>
+    <%= stylesheet_link_tag "tailwind", "data-turbo-track": "reload" %>
+  ERB
 else
   say "Default application.html.erb is missing!", :red
   say %(        Add <%= stylesheet_link_tag "inter-font", "data-turbo-track": "reload" %> and <%= stylesheet_link_tag "tailwind", "data-turbo-track": "reload" %> within the <head> tag in your custom layout.)
