apollo_parser/parser/grammar/
description.rs

1use crate::Parser;
2use crate::SyntaxKind;
3
4/// See: https://spec.graphql.org/October2021/#Description
5///
6/// *Description*:
7///     StringValue
8pub(crate) fn description(p: &mut Parser) {
9    let _g = p.start_node(SyntaxKind::DESCRIPTION);
10    let _g_string = p.start_node(SyntaxKind::STRING_VALUE);
11    p.bump(SyntaxKind::STRING)
12}
13
14#[cfg(test)]
15mod tests {
16    use super::*;
17    use crate::cst;
18    #[test]
19    fn it_can_access_definition_description() {
20        let schema = r#"
21"""
22description for Query object type
23"""
24type Query {
25  bestSellers(category: ProductCategory = ALL): [Product] @join__field(graph: PRODUCTS)
26}
27        "#;
28        let parser = Parser::new(schema);
29        let cst = parser.parse();
30
31        assert!(cst.errors.is_empty());
32
33        let document = cst.document();
34        for definition in document.definitions() {
35            if let cst::Definition::ObjectTypeDefinition(obj_def) = definition {
36                let desc: String = obj_def
37                    .description()
38                    .unwrap()
39                    .string_value()
40                    .unwrap()
41                    .into();
42                assert_eq!(desc, "description for Query object type");
43                return;
44            }
45        }
46        panic!("object type definition has not been catched");
47    }
48}
apollo_parser/parser/grammar/description.rs

apollo_parser/parser/grammar/
description.rs
