diff --git a/assets/javascripts/wizard-custom.js b/assets/javascripts/wizard-custom.js
index 5d18328f..8b30ad94 100644
--- a/assets/javascripts/wizard-custom.js
+++ b/assets/javascripts/wizard-custom.js
@@ -1,43 +1,4 @@
-//= require discourse/app/lib/autocomplete
-//= require discourse/app/lib/utilities
-//= require discourse/app/lib/offset-calculator
-//= require discourse/app/lib/lock-on
-//= require discourse/app/lib/text-direction
-//= require discourse/app/lib/to-markdown
-//= require discourse/app/lib/load-script
-//= require discourse/app/lib/url
-//= require discourse/app/lib/ajax
-//= require discourse/app/lib/ajax-error
-//= require discourse/app/lib/page-visible
-//= require discourse/app/lib/logout
-//= require discourse/app/lib/render-tag
-//= require discourse/app/lib/notification-levels
-//= require discourse/app/lib/computed
-//= require discourse/app/lib/user-search
-//= require discourse/app/lib/text
-//= require discourse/app/lib/formatter
-//= require discourse/app/lib/quote
-//= require discourse/app/lib/link-mentions
-//= require discourse/app/lib/link-hashtags
-//= require discourse/app/lib/category-hashtags
-//= require discourse/app/lib/tag-hashtags
-//= require discourse/app/lib/uploads
-//= require discourse/app/lib/category-tag-search
-//= require discourse/app/lib/intercept-click
-//= require discourse/app/lib/show-modal
-//= require discourse/app/lib/key-value-store
-//= require discourse/app/lib/settings
-//= require discourse/app/lib/user-presence
-//= require discourse/app/lib/hash
-//= require discourse/app/lib/bookmark
-//= require discourse/app/lib/put-cursor-at-end
-//= require discourse/app/lib/safari-hacks
-//= require discourse/app/lib/preload-store
-//= require discourse/app/lib/topic-fancy-title
-//= require discourse/app/lib/cookie
-//= require discourse/app/lib/public-js-versions
-//= require discourse/app/lib/load-oneboxes
-//= require discourse/app/lib/highlight-syntax
+//= require_tree_discourse discourse/app/lib
 
 //= require discourse/app/mixins/singleton
 //= require discourse/app/mixins/upload
@@ -46,35 +7,7 @@
 
 //= require message-bus
 
-//= require discourse/app/models/login-method
-//= require discourse/app/models/permission-type
-//= require discourse/app/models/archetype
-//= require discourse/app/models/rest
-//= require discourse/app/models/site
-//= require discourse/app/models/category
-//= require discourse/app/models/session
-//= require discourse/app/models/post-action-type
-//= require discourse/app/models/trust-level
-//= require discourse/app/models/store
-//= require discourse/app/models/result-set
-//= require discourse/app/models/bookmark
-//= require discourse/app/models/user
-//= require discourse/app/models/user-stream
-//= require discourse/app/models/user-action
-//= require discourse/app/models/user-action-group
-//= require discourse/app/models/user-posts-stream
-//= require discourse/app/models/badge
-//= require discourse/app/models/badge-grouping
-//= require discourse/app/models/user-badge
-//= require discourse/app/models/topic
-//= require discourse/app/models/action-summary
-//= require discourse/app/models/user-action-stat
-//= require discourse/app/models/user-drafts-stream
-//= require discourse/app/models/user-draft
-//= require discourse/app/models/composer
-//= require discourse/app/models/draft
-//= require discourse/app/models/group
-//= require discourse/app/models/group-history
+//= require_tree_discourse discourse/app/models
 
 //= require discourse/app/helpers/category-link
 //= require discourse/app/helpers/user-avatar
diff --git a/lib/custom_wizard/exceptions/exceptions.rb b/lib/custom_wizard/exceptions/exceptions.rb
new file mode 100644
index 00000000..b5014d27
--- /dev/null
+++ b/lib/custom_wizard/exceptions/exceptions.rb
@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+module CustomWizard
+  class SprocketsFileNotFound < StandardError; end
+  class SprocketsEmptyPath < StandardError; end
+end
diff --git a/plugin.rb b/plugin.rb
index a4278f65..e6287a44 100644
--- a/plugin.rb
+++ b/plugin.rb
@@ -35,6 +35,22 @@ if respond_to?(:register_svg_icon)
   register_svg_icon "save"
 end
 
+class ::Sprockets::DirectiveProcessor
+  def process_require_tree_discourse_directive(path = ".")
+    raise CustomWizard::SprocketsEmptyPath, "path cannot be empty" if path == "."
+
+    discourse_asset_path = "#{Rails.root}/app/assets/javascripts/"
+    path = File.expand_path(path, discourse_asset_path)
+    stat = @environment.stat(path)
+
+    if stat && stat.directory?
+      require_paths(*@environment.stat_sorted_tree_with_dependencies(path))
+    else
+      raise CustomWizard::SprocketsFileNotFound, "#{path} not found in discourse core"
+    end
+  end
+end
+
 after_initialize do
   %w[
     ../lib/custom_wizard/engine.rb
@@ -73,6 +89,7 @@ after_initialize do
     ../lib/custom_wizard/api/endpoint.rb
     ../lib/custom_wizard/api/log_entry.rb
     ../lib/custom_wizard/liquid_extensions/first_non_empty.rb
+    ../lib/custom_wizard/exceptions/exceptions.rb
     ../serializers/custom_wizard/api/authorization_serializer.rb
     ../serializers/custom_wizard/api/basic_endpoint_serializer.rb
     ../serializers/custom_wizard/api/endpoint_serializer.rb
diff --git a/spec/extensions/sprockets_directive_spec.rb b/spec/extensions/sprockets_directive_spec.rb
new file mode 100644
index 00000000..5a074040
--- /dev/null
+++ b/spec/extensions/sprockets_directive_spec.rb
@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+require_relative '../plugin_helper'
+
+describe "Sprockets: require_tree_discourse directive" do
+  let(:discourse_asset_path) {
+    "#{Rails.root}/app/assets/javascripts/"
+  }
+  let(:fixture_asset_path) {
+    "#{Rails.root}/plugins/discourse-custom-wizard/spec/fixtures/sprockets/"
+  }
+  let(:test_file_contents) {
+    "console.log('hello')"
+  }
+  let(:resolved_file_contents) {
+    File.read(
+     "#{Rails.root}/plugins/discourse-custom-wizard/spec/fixtures/sprockets/resolved_js_file_contents.txt"
+    )
+  }
+
+  before do
+    @env ||= Sprockets::Environment.new
+    discourse_asset_path = "#{Rails.root}/app/assets/javascripts/"
+    fixture_asset_path = "#{Rails.root}/plugins/discourse-custom-wizard/spec/fixtures/sprockets/"
+    @env.append_path(discourse_asset_path)
+    @env.append_path(fixture_asset_path)
+    @env.cache = {}
+  end
+
+  def create_tmp_folder_and_run(path, file_contents, &block)
+    dir = File.dirname(path)
+    unless File.directory?(dir)
+      FileUtils.mkdir_p(dir)
+    end
+
+    File.new(path, 'w')
+    File.write(path, file_contents)
+    yield block if block_given?
+    FileUtils.rm_r(dir)
+  end
+
+  it "includes assets from the discourse core" do
+    create_tmp_folder_and_run("#{discourse_asset_path}/sptest/test.js", test_file_contents) do
+      expect(@env.find_asset("require_tree_discourse_test.js").to_s).to eq(resolved_file_contents)
+    end
+  end
+
+  it "throws ArgumentError if path is empty" do
+    expect { @env.find_asset("require_tree_discourse_empty.js") }.to raise_error(CustomWizard::SprocketsEmptyPath).with_message("path cannot be empty")
+  end
+
+  it "throws ArgumentError if path is non non-existent" do
+    expect { @env.find_asset("require_tree_discourse_non_existant.js") }.to raise_error(CustomWizard::SprocketsFileNotFound)
+  end
+end
diff --git a/spec/fixtures/sprockets/require_tree_discourse_empty.js b/spec/fixtures/sprockets/require_tree_discourse_empty.js
new file mode 100644
index 00000000..df264ec5
--- /dev/null
+++ b/spec/fixtures/sprockets/require_tree_discourse_empty.js
@@ -0,0 +1 @@
+//= require_tree_discourse 
\ No newline at end of file
diff --git a/spec/fixtures/sprockets/require_tree_discourse_non_existant.js b/spec/fixtures/sprockets/require_tree_discourse_non_existant.js
new file mode 100644
index 00000000..d9b2be76
--- /dev/null
+++ b/spec/fixtures/sprockets/require_tree_discourse_non_existant.js
@@ -0,0 +1 @@
+//= require_tree_discourse dummy_path
\ No newline at end of file
diff --git a/spec/fixtures/sprockets/require_tree_discourse_test.js b/spec/fixtures/sprockets/require_tree_discourse_test.js
new file mode 100644
index 00000000..a86aa0d7
--- /dev/null
+++ b/spec/fixtures/sprockets/require_tree_discourse_test.js
@@ -0,0 +1 @@
+//= require_tree_discourse sptest
\ No newline at end of file
diff --git a/spec/fixtures/sprockets/resolved_js_file_contents.txt b/spec/fixtures/sprockets/resolved_js_file_contents.txt
new file mode 100644
index 00000000..53e2cfa2
--- /dev/null
+++ b/spec/fixtures/sprockets/resolved_js_file_contents.txt
@@ -0,0 +1,3 @@
+eval("define(\"sptest/test\", [], function () {\n  \"use strict\";\n\n  console.log('hello');\n});" + "\n//# sourceURL=sptest/test");
+;
+eval("" + "\n//# sourceURL=require_tree_discourse_test");