@markuplint/ml-spec/lib/dom-traverse/get-non-presentational-ancestor.js

Types and schema that specs of the Markup languages for markuplint

import { isPresentational } from '../specs/is-presentational.js';
import { getComputedRole } from './get-computed-role.js';
export function getNonPresentationalAncestor(
// eslint-disable-next-line @typescript-eslint/prefer-readonly-parameter-types
el, specs, version) {
    let ancestor = el.parentElement;
    /**
     * In ARIA 1.1 and 1.2, the role of an element is not affected by the role of its ancestor elements.
     *
     * It is due to implementation considerations in Markuplint.
     */
    const assumeSingleNode = version !== '1.1' && version !== '1.2';
    while (ancestor) {
        const ancestorRole = getComputedRole(specs, ancestor, version, assumeSingleNode);
        if (!isPresentational(ancestorRole.role?.name)) {
            return ancestorRole;
        }
        ancestor = ancestor.parentElement;
    }
    return {
        el: ancestor,
        role: null,
    };
}