{ "id": "empty-heading", "selector": "h1, h2, h3, h4, h5, h6, [role=\"heading\"]", "matches": "heading-matches.js", "tags": ["cat.name-role-value", "best-practice"], "metadata": { "description": "Ensures headings have discernible text", "help": "Headings must not be empty" }, "all": [], "any": ["has-visible-text"], "none": [] }