lib/img_props.rb in jekyll_img-0.2.4 vs lib/img_props.rb in jekyll_img-0.2.5

@@ -65,12 +65,10 @@
     @alt   ||= @caption || @title
     @title ||= @caption || @alt
   end
 
   def src_any(filetype)
-    raise Jekyll::ImgError, "The 'src' parameter was not specified" if @src.to_s.empty?
-
     @src.gsub('.webp', ".#{filetype}")
   end
 
   def src_png
     raise Jekyll::ImgError, "The 'src' parameter was not specified" if @src.to_s.empty?
@@ -84,11 +82,15 @@
   end
 
   private
 
   def setup_src
+    raise Jekyll::ImgError, "The 'src' parameter was not specified" if @src.nil?
+
+    raise Jekyll::ImgError, "The 'src' parameter was empty" if @src.empty?
+
     @src = @src.to_s.strip
-    raise Jekyll::ImgError, "The 'src' parameter was not specified" if @src.empty?
+    raise Jekyll::ImgError, "The 'src' parameter only contained whitespace" if @src.empty?
 
     filetype = File.extname(URI(@src).path)
     @src += '.webp' if filetype.empty?
 
     @src = "/assets/images/#{@src}" unless ImgProperties.local_path?(@src) || url?(@src)