feat(lang-ts): add API for creating custom Spans in tree sitter languages #484
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This PR adds a new API that allows
TsAnalyzeManagerimplementations to create customSpans and styles for the captures.API
TsAnalyzeManagerimplementations can provide aTsSpanFactoryinstance which is used to create the spans (and styles for the capture). The span factory is provided with theTSQueryCaptureobject representing the query capture along with the column index and styles for theSpan.The default implementation of the factory (
DefaultTsSpanFactory) simply creates the spans usingSpan.obtain.Example
As an example, the tree-sitter based Java language in the sample application uses a custom span factory to add a
LineGutterBackgroundanchor style to lines which contain a HEX color string.