Function readonly_parameter

dossier-ts/src/function.rs:332–360

()

    #[test]
    fn readonly_parameter() {
        let code = indoc! {r#"
        function foo(bar: readonly string) {}
        "#};

        let tree = init_parser().parse(code, None).unwrap();
        let mut cursor = tree.root_node().walk();
        walk_tree_to_function(&mut cursor);

        let symbol = parse(
            &cursor.node(),
            &mut ParserContext::new(Path::new("index.ts"), code),
        )
        .unwrap();

        let function = symbol.kind.as_function().unwrap();

        let params = function.parameters().collect::<Vec<_>>();
        assert_eq!(params.len(), 1);

        let bar = params[0].kind.as_parameter().unwrap();
        assert_eq!(bar.identifier, "bar");
        assert!(bar.readonly);
        assert!(!bar.optional);
        assert_eq!(
            bar.parameter_type().unwrap().kind.as_type().unwrap(),
            &Type::Predefined("string".to_owned())
        );
    }

    #[test]
    fn generics() {