import { Plugin } from 'unified';
import * as unified from 'unified';
export { unified as Unified };
export { Plugin } from 'unified';
import * as vfile from 'vfile';
export { vfile as VFile };
import { Root } from 'mdast';
import * as mdast from 'mdast';
export { mdast as Mdast };
import { Root as Root$1 } from 'hast';
import * as hast from 'hast';
export { hast as Hast };
import { CodeOptionsSingleTheme, CodeOptionsMultipleThemes, createHighlighter, CodeToHastOptions } from 'shiki';
import { HighlightOptions } from '@sveltek/markdown';

interface TocOptions {
    /**
     * Specifies the maximum headings depth to be included in the table of content.
     *
     * @default 3
     */
    depth?: number;
    /**
     * Specifies whether headings include link tags.
     *
     * @default true
     */
    links?: boolean;
}
interface TocItem {
    id: string;
    depth: number;
    value: string;
}
type TocItems = TocItem[];

/**
 * A custom `Remark` plugin that creates `Table of Content` (Toc).
 *
 * Automatically adds a link with the appropriate attributes to the headings.
 *
 * It also stores Toc items to `frontmatter` for easy access.
 *
 * @example
 *
 * ```ts
 * import { svelteMarkdown } from '@sveltek/markdown'
 * import { remarkToc } from '@sveltek/unplugins'
 *
 * svelteMarkdown({
 *   plugins: {
 *     remark: [remarkToc]
 *   }
 * })
 * ```
 *
 * Or with options:
 *
 * ```js
 * svelteMarkdown({
 *   plugins: {
 *     remark: [[remarkToc, { depth: 3 }]]
 *   }
 * })
 * ```
 */
declare const remarkToc: Plugin<[TocOptions?], Root>;

type HighlighterOptions = Parameters<typeof createHighlighter>[0];
interface ShikiOptions {
    /**
     * Specifies a custom theme.
     *
     * @example
     *
     * ```ts
     * {
     *   theme: 'github-light-default',
     * }
     * ```
     *
     * @default 'github-dark-default'
     */
    theme?: CodeOptionsSingleTheme['theme'];
    /**
     * Specifies a map of color names to themes.
     *
     * Allows multiple themes for the generated code.
     *
     * @example
     *
     * ```ts
     * {
     *   themes: {
     *     light: 'github-light-default',
     *     dark: 'github-dark-default',
     *   }
     * }
     * ```
     *
     * @default undefined
     */
    themes?: CodeOptionsMultipleThemes['themes'];
    /**
     * Specifies a custom Shiki language registration.
     *
     * @example
     *
     * ```ts
     * {
     *   langs: ['javascript', 'typescript', 'svelte']
     * }
     * ```
     *
     * @default ['javascript', 'typescript', 'svelte']
     */
    langs?: HighlighterOptions['langs'];
    /**
     * Specifies custom Shiki `highlighter` options.
     *
     * @default undefined
     */
    highlighter?: HighlighterOptions;
    /**
     * Specifies custom Shiki `codeToHtml` options.
     *
     * @default undefined
     */
    codeToHtml?: CodeToHastOptions & CodeOptionsSingleTheme & CodeOptionsMultipleThemes;
    /**
     * Parses `meta` string from the code block.
     *
     * @default undefined
     */
    parseMeta?: (meta: string | undefined) => void;
    /**
     * Specifies custom options for the `root` node (usually the `<pre>` tag).
     *
     * @example
     *
     * ```ts
     * {
     *   root: (node) => {
     *     node.tagName = 'div'
     *     node.properties.id = 'code-highlight'
     *     // ...
     *   }
     * }
     * ```
     *
     * @default undefined
     */
    root?: HighlightOptions['root'];
}

/**
 * A custom `Rehype` plugin for `Shiki`.
 *
 * @example
 *
 * ```js
 * import { svelteMarkdown } from '@sveltek/markdown'
 * import { rehypeShiki } from '@sveltek/unplugins'
 *
 * svelteMarkdown({
 *   plugins: {
 *     rehype: [rehypeShiki]
 *   }
 * })
 * ```
 *
 * Or with options:
 *
 * ```js
 * svelteMarkdown({
 *   plugins: {
 *     rehype: [[rehypeShiki, { theme: 'github-light-default' }]]
 *   }
 * })
 * ```
 */
declare const rehypeShiki: Plugin<[ShikiOptions?], Root$1>;

export { rehypeShiki, remarkToc };
export type { ShikiOptions, TocItem, TocItems, TocOptions };