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use lsp_types::MarkupKind;
use rowan::ast::AstNode;
use crate::{
syntax::bibtex,
util::{cursor::CursorContext, lang_data::LANGUAGE_DATA},
};
use super::HoverResult;
pub(super) fn find_hover(context: &CursorContext) -> Option<HoverResult> {
let name = context
.cursor
.as_bib()
.filter(|token| token.kind() == bibtex::NAME)?;
bibtex::Field::cast(name.parent()?)?;
let docs = LANGUAGE_DATA.field_documentation(name.text())?;
Some(HoverResult {
range: name.text_range(),
value: docs.to_string(),
value_kind: MarkupKind::Markdown,
})
}
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