highlight: https://tree-sitter.github.io/tree-sitter/syntax-highlighting https://github.com/tree-sitter/tree-sitter-json/blob/master/queries/highlights.scm
tree-sitter: https://gothub.frontendfriendly.xyz/tree-sitter/tree-sitter-json/blob/master/grammar.js https://tree-sitter.github.io/tree-sitter/creating-parsers
$ git clone https://git.apiote.xyz/git/tree-sitter-dirty.git