Adds vertical bars to the left of the comments, enabling you to easily collapse the parent comments. It also can leave only a specified number of comments expanded and auto-collapse the rest.
This userscript adds vertical bars to the left of the comments, respective to the depth level of a comment, which when clicked, it toggles the parent comment of the respective depth level. But pictures worth more than a thousand words:
It can also leave only a specified number of comments expanded and auto-collapse the rest. If you are like me, reading HackerNews comments is very time consuming, and this is a way I found to lower the amount of time I waste reading it. The demonstration below show the default setting, which is 3 root comments, 2 replies to the root comment and 1 reply to the reply:
You can freely change these settings or add more depth levels if you want. These are the ones that works best for me.