Atom is currently in the process of working on implementing a new source folding parser [0] based on something called 'tree-sitter' [1]. If you are interested i

Atom is currently in the process of working on implementing a new source folding parser [0] based on something called 'tree-sitter' [1]. If you are interested in following that development, feel free to watch that PR. [0] https://github.com/atom/atom/pull/16299 https://github.com/atom/atom/pull/16299 [1] https://github.com/tree-sitter/tree-sitter https://github.com/tree-sitter/tree-sitter