FEATURE: theme settings in RAW hbs templates

app/assets/javascripts/discourse/helpers/theme-setting-injector.es6

@@ -9,12 +9,28 @@ function inject(context, key, value) {
     value = value.replace(/\\u0022/g, '"');
   }
 
+  if (!(context instanceof Ember.Object)) {
+    injectPlainObject(context, key, value);
+    return;
+  }
+
   if (!context.get("themeSettings")) {
     context.set("themeSettings", {});
   }
   context.set(`themeSettings.${key}`, value);
 }
 
+function injectPlainObject(context, key, value) {
+  if (!context.themeSettings) {
+    Object.assign(context, { themeSettings: {} });
+  }
+  Object.assign(context.themeSettings, { [key]: value });
+}
+
 registerHelper('theme-setting-injector', function(arr, hash) {
   inject(hash.context, hash.key, hash.value);
 });
+
+Handlebars.registerHelper('theme-setting-injector', function(hash) {
+  inject(this, hash.hash.key, hash.hash.value);
+});

app/models/theme_field.rb

@@ -60,16 +60,16 @@ PLUGIN_API_JS
     doc.css('script[type="text/x-handlebars"]').each do |node|
       name = node["name"] || node["data-template-name"] || "broken"
 
+      is_raw = name =~ /\.raw$/
       setting_helpers = ''
       theme.cached_settings.each do |k, v|
         val = v.is_a?(String) ? "\"#{v.gsub('"', "\\u0022")}\"" : v
-        setting_helpers += "{{theme-setting-injector context=this key=\"#{k}\" value=#{val}}}\n"
+        setting_helpers += "{{theme-setting-injector #{is_raw ? "" : "context=this"} key=\"#{k}\" value=#{val}}}\n"
       end
       hbs_template = setting_helpers + node.inner_html
 
-      is_raw = name =~ /\.raw$/
       if is_raw
-        template = "requirejs('discourse-common/lib/raw-handlebars').template(#{Barber::Precompiler.compile(node.inner_html)})"
+        template = "requirejs('discourse-common/lib/raw-handlebars').template(#{Barber::Precompiler.compile(hbs_template)})"
         node.replace <<COMPILED
           <script>
             (function() {