There's no 'star_added' or 'star_removed' event in ws, but there is in a 'message' ws event. This passes on the 'message' object, which is the more abstract ws message, not Slacks 'Message' object. This was tested on starring Slack messages, channels, and uploaded files. It's up to the app to look at the item.type property to determine what to do with the starring/unstarring.
There's no 'star_added' or 'star_removed' event in ws, but there is in a 'message' ws event. This passes on the 'message' object, which is the more abstract ws message, not Slacks 'Message' object. This was tested on starring Slack messages, channels, and uploaded files. It's up to the app to look at the item.type property to determine what to do with the starring/unstarring.

slackapi/node-slack-sdk,slackapi/node-slack-sdk,cpww/dale,slackapi/node-slack-sdk,peernohell/node-slack-client,slackapi/node-slack-sdk,peernohell/node-slack-client,DLavin23/dale,slackhq/node-slack-sdk,dshahin/node-slack-client,Shiggiddie/dale,slackhq/node-slack-client