MZC/KnowMathBot/frontend/node_modules/mdast-util-to-hast/lib/index.d.ts

/**
 * Transform mdast to hast.
 *
 * ##### Notes
 *
 * ###### HTML
 *
 * Raw HTML is available in mdast as `html` nodes and can be embedded in hast
 * as semistandard `raw` nodes.
 * Most utilities ignore `raw` nodes but two notable ones don’t:
 *
 * *   `hast-util-to-html` also has an option `allowDangerousHtml` which will
 *     output the raw HTML.
 *     This is typically discouraged as noted by the option name but is useful
 *     if you completely trust authors
 * *   `hast-util-raw` can handle the raw embedded HTML strings by parsing them
 *     into standard hast nodes (`element`, `text`, etc).
 *     This is a heavy task as it needs a full HTML parser, but it is the only
 *     way to support untrusted content
 *
 * ###### Footnotes
 *
 * Many options supported here relate to footnotes.
 * Footnotes are not specified by CommonMark, which we follow by default.
 * They are supported by GitHub, so footnotes can be enabled in markdown with
 * `mdast-util-gfm`.
 *
 * The options `footnoteBackLabel` and `footnoteLabel` define natural language
 * that explains footnotes, which is hidden for sighted users but shown to
 * assistive technology.
 * When your page is not in English, you must define translated values.
 *
 * Back references use ARIA attributes, but the section label itself uses a
 * heading that is hidden with an `sr-only` class.
 * To show it to sighted users, define different attributes in
 * `footnoteLabelProperties`.
 *
 * ###### Clobbering
 *
 * Footnotes introduces a problem, as it links footnote calls to footnote
 * definitions on the page through `id` attributes generated from user content,
 * which results in DOM clobbering.
 *
 * DOM clobbering is this:
 *
 * ```html
 * <p id=x></p>
 * <script>alert(x) // `x` now refers to the DOM `p#x` element</script>
 * ```
 *
 * Elements by their ID are made available by browsers on the `window` object,
 * which is a security risk.
 * Using a prefix solves this problem.
 *
 * More information on how to handle clobbering and the prefix is explained in
 * Example: headings (DOM clobbering) in `rehype-sanitize`.
 *
 * ###### Unknown nodes
 *
 * Unknown nodes are nodes with a type that isn’t in `handlers` or `passThrough`.
 * The default behavior for unknown nodes is:
 *
 * *   when the node has a `value` (and doesn’t have `data.hName`,
 *     `data.hProperties`, or `data.hChildren`, see later), create a hast `text`
 *     node
 * *   otherwise, create a `<div>` element (which could be changed with
 *     `data.hName`), with its children mapped from mdast to hast as well
 *
 * This behavior can be changed by passing an `unknownHandler`.
 *
 * @param {MdastNodes} tree
 *   mdast tree.
 * @param {Options | null | undefined} [options]
 *   Configuration (optional).
 * @returns {HastNodes}
 *   hast tree.
 */
export function toHast(tree: MdastNodes, options?: Options | null | undefined): HastNodes;
import type { Nodes as MdastNodes } from 'mdast';
import type { Options } from './state.js';
import type { Nodes as HastNodes } from 'hast';
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