From 34cae5fec26813686023ee6271789bfaa3286923 Mon Sep 17 00:00:00 2001
From: Chris Gunther <chris@room118solutions.com>
Date: Tue, 12 May 2020 14:39:18 -0400
Subject: [PATCH] Add text/ejs to register_transformer_suffix for ERBProcessor

Processes .jst.ejs.erb files through ERBProcessor before continuing on
with EjsProcessor and JstProcessor.

A similar change was made in #491 to support .jst.eco.erb files.
---
 CHANGELOG.md              | 1 +
 lib/sprockets.rb          | 1 +
 test/test_transformers.rb | 1 +
 3 files changed, 3 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ef859ab9..6eb27b533 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ Get upgrade notes from Sprockets 3.x to 4.x at https://github.com/rails/sprocket
 ## Master
 
 - Fix for Ruby 2.7 keyword arguments warning in `base.rb`. [#660](https://github.com/rails/sprockets/pull/660)
+- Process `*.jst.ejs.erb` files with ERBProcessor [#674]
 
 ## 4.0.0
 
diff --git a/lib/sprockets.rb b/lib/sprockets.rb
index 91e05bc51..1cf305e3c 100644
--- a/lib/sprockets.rb
+++ b/lib/sprockets.rb
@@ -189,6 +189,7 @@ module Sprockets
     text/scss
     text/yaml
     text/eco
+    text/ejs
   ), 'application/\2+ruby', '.erb', ERBProcessor)
 
   register_mime_type 'application/html+ruby', extensions: ['.html.erb', '.erb', '.rhtml'], charset: :html
diff --git a/test/test_transformers.rb b/test/test_transformers.rb
index e021325d6..65b3575b5 100644
--- a/test/test_transformers.rb
+++ b/test/test_transformers.rb
@@ -121,6 +121,7 @@ def setup
       ['application/javascript+ruby', 0.8],
       ['application/coffeescript+ruby', 0.8],
       ["application/eco+ruby", 0.8],
+      ["application/ejs+ruby", 0.8],
       ['text/mustache', 0.8], # TODO: Extra step transform should be weighted down
       ['text/x-handlebars-template', 0.8], # TODO: Extra step transform should be weighted down
       ['application/dart', 0.8]