Express JS发送文件数组和json作为响应

I am trying to send back to the client an array of files, and a few more properties which are in json format as one response when a route is hit. I am relatively new to Node and Express but I have not found anyway to handle this. I know (and have successfully tried) sending one file back to the client. The kind of response I want to send back should look like thisI am trying to send back to the client an array