Fixed edge case involving files that are not index.html

Author: jaxoncreed

lib/resource-mapper.js

@@ -71,7 +71,11 @@ class ResourceMapper {
       // Find a file with the same name (minus the dollar extension)
       let match = searchIndex ? await this._getMatchingFile(folder, filename, isIndex) : ''
       // Do not match with html if the content type won't allow it
-      if (contentType && !(contentType.includes('text/html') || contentType.includes('*/*'))) {
+      if (
+        contentType &&
+        !(contentType.includes('text/html') || contentType.includes('*/*')) &&
+        match === 'index.html'
+      ) {
         match = ''
       }
       if (match === undefined) {