qlue-ls 2.6.1

A language server for SPARQL
Documentation 
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use std::sync::LazyLock;

use crate::server::{
    Server,
    lsp::{
        diagnostic::{Diagnostic, DiagnosticCode, DiagnosticSeverity},
        textdocument::{Range, TextDocumentItem},
    },
};
use ll_sparql_parser::{ast::QueryUnit, parse};

pub static CODE: LazyLock<DiagnosticCode> =
    LazyLock::new(|| DiagnosticCode::String("syntax-error".to_string()));

pub(super) fn diagnostics(
    document: &TextDocumentItem,
    _query_unit: &QueryUnit,
    _server: &Server,
) -> Option<Vec<Diagnostic>> {
    let (_, errors) = parse(&document.text);
    (!errors.is_empty()).then_some(
        errors
            .into_iter()
            .take(1)
            .map(|error| Diagnostic {
                range: Range::from_byte_offset_range(error.span, &document.text)
                    .expect("Parse error spans should be within the document"),
                severity: DiagnosticSeverity::Error,
                code: Some((*CODE).clone()),
                source: Some("Qlue-ls".to_string()),
                message: error.message,
                data: None,
            })
            .collect(),
    )
}