Function ariaGuide

docs/app/js/sanddance-app.js:123965–123972

(mark, opt)

    return bundle(recurse1 ? GRAPHICS_OBJECT : GRAPHICS_SYMBOL, `${type21} mark container`, mark.description);
}
function ariaGuide(mark, opt) {
    try {
        const item = mark.items[0], caption = opt.caption || (()=>"");
        return bundle(opt.role || GRAPHICS_SYMBOL, opt.desc, item.description || caption(item));
    } catch (err) {
        return null;
    }
}
function titleCaption(item) {
    return (0, _vegaUtil.array)(item.text).join(" ");
}