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docs: another injection query example (#13312)

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Niklas Gruhn 2025-04-09 14:30:11 +02:00 committed by GitHub
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book/src/guides/injection.md
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@ -4,11 +4,16 @@ Writing language injection queries allows one to highlight a specific node as a
In addition to the [standard][upstream-docs] language injection options used by tree-sitter, there In addition to the [standard][upstream-docs] language injection options used by tree-sitter, there
are a few Helix specific extensions that allow for more control. are a few Helix specific extensions that allow for more control.
And example of a simple query that would highlight all strings as bash in Nix: An example of a simple query that would highlight all strings as bash in Nix:
```scm ```scm
((string_expression (string_fragment) @injection.content) ((string_expression (string_fragment) @injection.content)
(#set! injection.language "bash")) (#set! injection.language "bash"))
``` ```
Another example is this query, which highlights links in comments and keywords like "TODO", by reusing the dedicated "comment" language:
```
((comment) @injection.content
(#set! injection.language "comment"))
```
## Capture Types ## Capture Types