Yaml language injections based on comments in block

[kjuulh]

Hey, sometimes you've got blocks of stuff in yaml, I've got some injections enabled, and thought it might be useful for others. Though it might not be general enough to add as standard to helix injections upstream.

# file: something.yaml
my:
  item: |
     fn main() {
        // Not saying you should have rust in yaml, just an example
     }

However, that string can be hard to read, as it has no highlighting.

So I've added an injection to my own $HELIX_RUNTIME/queries/yaml/injections.scm

(block_node
  (block_scalar
    (comment) @injection.language) @injection.content);

# file: something.yaml
my:
  item: | # rust <--- set language to whatever you want
     fn main() {
        // Not saying you should have rust in yaml, just an example
     }

should now highlight the item as having a rust code block.

Enjoy!