lib/synvert/cli.rb in synvert-0.14.0 vs lib/synvert/cli.rb in synvert-0.14.1

@@ -92,13 +92,11 @@
             @options[:snippet_name] = snippet_name
           end
           opts.on '--sync', 'sync snippets' do
             @options[:command] = 'sync'
           end
-          opts.on '-r',
-                  '--run SNIPPET_NAME',
-                  'run specified snippet, e.g. ruby/new_hash_syntax' do |snippet_name|
+          opts.on '-r', '--run SNIPPET_NAME', 'run specified snippet, e.g. ruby/new_hash_syntax' do |snippet_name|
             @options[:snippet_name] = snippet_name
           end
           opts.on '-g', '--generate NEW_SNIPPET_NAME', 'generate a new snippet' do |name|
             @options[:command] = 'generate'
             @options[:snippet_name] = name
@@ -237,14 +235,15 @@
         puts rewriter.todo if rewriter.todo
         puts "===== #{snippet_name} done ====="
       elsif json_output?
         group, name = snippet_name.split('/')
         rewriter = Core::Rewriter.call group, name
-        puts JSON.generate({
-          affected_files: rewriter.affected_files.union(rewriter.sub_snippets.map(&:affected_files).reduce(:+)).to_a,
-          warnings: rewriter.warnings.union(rewriter.sub_snippets.map(&:warnings).reduce(:+)),
+        output = {
+          affected_files: rewriter.affected_files.union(rewriter.sub_snippets.map(&:affected_files).reduce([], :+)).to_a,
+          warnings: rewriter.warnings.union(rewriter.sub_snippets.map(&:warnings).reduce([], :+)),
           todo: rewriter.todo
-        })
+        }
+        puts JSON.generate(output)
       end
     end
 
     # generate a new snippet
     def generate_snippet