### Install satteri with bun

Source: https://satteri.bruits.org/docs/quick-start

Install the satteri package using bun.

```bash
bun add satteri

```

--------------------------------

### Install satteri with npm

Source: https://satteri.bruits.org/docs/quick-start

Install the satteri package using npm.

```bash
npm install satteri

```

--------------------------------

### Install satteri-expressive-code and satteri

Source: https://satteri.bruits.org/docs/expressive-code

Install the plugin and its peer dependency satteri together.

```bash
npm install satteri-expressive-code satteri
```

--------------------------------

### Install satteri with yarn

Source: https://satteri.bruits.org/docs/quick-start

Install the satteri package using yarn.

```bash
yarn add satteri

```

--------------------------------

### Install satteri with pnpm

Source: https://satteri.bruits.org/docs/quick-start

Install the satteri package using pnpm.

```bash
pnpm add satteri

```

--------------------------------

### Install vite-plugin-satteri with pnpm, npm, yarn, or bun

Source: https://satteri.bruits.org/docs/vite

Install the plugin and its peer dependency `satteri` using your preferred package manager. The `satteri` package is a peer dependency, so it must be installed alongside the plugin.

```bash
pnpm add -D vite-plugin-satteri satteri

```

```bash
npm install --save-dev vite-plugin-satteri satteri

```

```bash
yarn add -D vite-plugin-satteri satteri

```

```bash
bun add --dev vite-plugin-satteri satteri

```

--------------------------------

### Install satteri-expressive-code with pnpm, npm, yarn, or bun

Source: https://satteri.bruits.org/docs/expressive-code

Install the plugin and its peer dependency `satteri` using your preferred package manager. The `satteri` package is a peer dependency, so it must be installed alongside the plugin.

```bash
pnpm add satteri-expressive-code satteri
```

```bash
npm install satteri-expressive-code satteri
```

```bash
yarn add satteri-expressive-code satteri
```

```bash
bun add satteri-expressive-code satteri
```

--------------------------------

### Paragraph start in a task list item: markdown example

Source: https://satteri.bruits.org/docs/divergences

Shows a task list item with an emphasized first child. Sätteri always starts the paragraph after the checkbox, while remark-gfm pulls the start back over the checkbox only when the first child is text.

```markdown
- [ ] _e_

```

--------------------------------

### Definition list syntax example

Source: https://satteri.bruits.org/docs/features

Example of the definition list syntax: a term line followed by colon-marked definitions.

```markdown
Apple
:   Pomaceous fruit.
:   A tech company.
```

--------------------------------

### markdownToHtml usage example

Source: https://satteri.bruits.org/docs/entry-points

Imports markdownToHtml from satteri and parses a Markdown string, destructuring the result to get html, frontmatter, and data.

```typescript
import { markdownToHtml } from "satteri";

const { html, frontmatter, data } = markdownToHtml("# Hello, *world*");
// html === "<h1>Hello, <em>world</em></h1>"

```

--------------------------------

### Smart punctuation configuration example

Source: https://satteri.bruits.org/docs/features

Example of enabling only curly quotes while leaving dashes and ellipses alone. Omitted keys default to true.

```js
// Curly quotes only; leave -- and ... alone.
markdownToHtml(source, {
  features: {
    smartPunctuation: {
      quotes: true,
      dashes: false,
      ellipses: false
    }
  },
});
```

--------------------------------

### Full features configuration example

Source: https://satteri.bruits.org/docs/features

Shows the complete features object with all options, as used with markdownToHtml. By default, gfm and frontmatter are enabled.

```js
import { markdownToHtml } from "satteri";

markdownToHtml(source, {
  features: {
    gfm: true,
    frontmatter: true,
    math: false,
    headingAttributes: false,
    directive: false,
    superscript: false,
    subscript: false,
    wikilinks: false,
    definitionList: false,
    smartPunctuation: false,
    rawHtml: false,
  },
});
```

--------------------------------

### Unknown directive example (tip)

Source: https://satteri.bruits.org/docs/divergences

Displays a generic directive with a title and content. Sätteri drops such nodes unless a plugin sets data.hName, while remark-directive wraps them in a div. This example is used to show the difference in handling unknown directives.

```text
:::tip[Title] content :::

```

--------------------------------

### Raw HTML reparse example

Source: https://satteri.bruits.org/docs/features

Shows how raw HTML is reparsed into real HAST elements when rawHtml is enabled. The example converts a div with a paragraph inside.

```js
import { markdownToHast } from "satteri";

const tree = markdownToHast(`<div class="note">\n\n**hi**\n\n</div>`, {
  features: {
    rawHtml: true,
  },
});
// <div> is now a real element wrapping the parsed <p><strong>hi</strong></p>
```

--------------------------------

### Heading attributes with arbitrary key=value and bare key

Source: https://satteri.bruits.org/docs/features

Example of writing arbitrary attributes as `key=value` or bare `key` (rendered as `key=""`).

```markdown
### Note {#intro data-level=2 hidden}
```

```html
<h3 id="intro" data-level="2" hidden="">Note</h3>
```

--------------------------------

### Smart punctuation example

Source: https://satteri.bruits.org/docs/divergences

A phrase with quoted text. Sätteri converts straight quotes to curly quotes across inline nodes, while remark-smartypants leaves them straight. This example is used to show the difference in smart punctuation handling.

```text
a "_quoted_" word

```

--------------------------------

### Definition list syntax example

Source: https://satteri.bruits.org/docs/features

Shows the pandoc / PHP Markdown Extra definition list syntax: a term line followed by colon-marked definitions.

```text
Apple
: Pomaceous fruit.
: A tech company.
```

--------------------------------

### Smart punctuation usage example

Source: https://satteri.bruits.org/docs/features

Example enabling only curly quotes, leaving dashes and ellipses alone. Omitted keys default to `true`.

```javascript
// Curly quotes only; leave -- and ... alone.
markdownToHtml(source, {
  features: { smartPunctuation: { quotes: true, dashes: false, ellipses: false } },
});
```

--------------------------------

### Heading with arbitrary attributes

Source: https://satteri.bruits.org/docs/features

Example of heading attributes with arbitrary key=value and bare key attributes.

```markdown
### Note {#intro data-level=2 hidden}
```

--------------------------------

### Heading attributes example

Source: https://satteri.bruits.org/docs/features

Shows how trailing {...} is treated as attributes when not a valid expression, and as an expression when valid. The example includes a heading with an id and a heading with an expression.

```mdx
# My heading {#my-id}
# Welcome {name}
```

--------------------------------

### Heading with id and class attributes

Source: https://satteri.bruits.org/docs/features

Example of heading attribute syntax using # for id and . for class.

```markdown
## My heading {#my-id .my-class}
```

--------------------------------

### Configure optimizeStatic for mdxToJs (Astro and React styles)

Source: https://satteri.bruits.org/docs/options

Use these examples to configure the `optimizeStatic` option for `mdxToJs`. The first example uses Astro-style wrapping with a `Fragment` component and `set:html` prop. The second uses React-style wrapping with a `div` and `dangerouslySetInnerHTML`, requiring `wrapPropValue: true` to wrap the value as `{{ __html: "…" }}`.

```javascript
// Astro-style: wraps static HTML in <Fragment set:html="…">
mdxToJs(source, { optimizeStatic: { component: "Fragment", prop: "set:html" } });

// React-style: wraps in <div dangerouslySetInnerHTML={{ __html: "…" }}>
mdxToJs(source, { optimizeStatic: { component: "div", prop: "dangerouslySetInnerHTML", wrapPropValue: true } });
```

--------------------------------

### Define and use a plugin with defineMdastPlugin

Source: https://satteri.bruits.org/docs/quick-start

Create a plugin object with a name and visitor functions. The visitor receives a read-only node view and a ctx object for mutations. This example strips inline code by replacing nodes.

```javascript
import { markdownToHtml, defineMdastPlugin } from "satteri";

const stripInlineCode = defineMdastPlugin({
  name: "strip-inline-code",
  inlineCode(node, ctx) {
    ctx.replaceNode(node, { type: "text", value: node.value });
  },
});

const { html } = markdownToHtml("Use `let` instead of `var`.", {
  mdastPlugins: [stripInlineCode],
});
// <p>Use let instead of var.</p>

```

--------------------------------

### Configure vite-plugin-satteri in vite.config.ts

Source: https://satteri.bruits.org/docs/vite

Add the plugin to `vite.config.ts` with the `features` option enabling GFM and frontmatter parsing. After this setup, any `.md` or `.mdx` file in the project becomes importable.

```typescript
import { defineConfig } from "vite";
import satteri from "vite-plugin-satteri";

export default defineConfig({
  plugins: [
    satteri({
      features: {
        gfm: true,
        frontmatter: true,
      },
    }),
  ],
});

```

--------------------------------

### Heading with merged id and class attributes

Source: https://satteri.bruits.org/docs/features

Example showing how explicit id= and class= merge with # and . shorthands. The last id wins, classes accumulate.

```markdown
## Heading {.intro #x class=lead id=main}
```

--------------------------------

### Plugin entry: factory and conditional inclusion

Source: https://satteri.bruits.org/docs/plugins

Shows that plugin entries can be factories or false/null. The factory runs once per compile and receives context about the document. This example conditionally includes plugins based on isDev and sourceFormat.

```javascript
markdownToHtml(source, {
  mdastPlugins: [
    isDev && debugPlugin,
    (ctx) => (ctx.sourceFormat === "mdx" ? mdxOnly : null),
  ],
});
```

--------------------------------

### mdxToJs usage example

Source: https://satteri.bruits.org/docs/entry-points

Imports mdxToJs from satteri and compiles an MDX string to JavaScript, extracting the compiled code from the result.

```typescript
import { mdxToJs } from "satteri";

const { code } = mdxToJs("# Hello\n\n<MyComponent />");

```

--------------------------------

### markdownToJs usage example

Source: https://satteri.bruits.org/docs/entry-points

Imports markdownToJs from satteri and compiles a Markdown string to JavaScript, extracting the compiled code from the result.

```typescript
import { markdownToJs } from "satteri";

const { code } = markdownToJs("# Hello\n\n{not an expression}");

```

--------------------------------

### Heading attributes basic usage and HTML output

Source: https://satteri.bruits.org/docs/features

Example of using heading attributes with `#` for id and `.` for class. The id and classes appear on the rendered heading.

```markdown
## My heading {#my-id .my-class}
```

```html
<h2 id="my-id" class="my-class">My heading</h2>
```

--------------------------------

### Import Markdown with frontmatter

Source: https://satteri.bruits.org/docs/vite

Import a Markdown file to get the rendered HTML as a string and parsed frontmatter. The default export and the named `html` export point to the same string, so either can be used.

```typescript
import postHtml, { frontmatter } from "./post.md";

document.getElementById("post").innerHTML = postHtml;
console.log(frontmatter.title);

```

--------------------------------

### Source positions (options: { position: true })

Source: https://satteri.bruits.org/docs/plugin-api

Visitors can read node.position (the { start, end } source range) only when the plugin opts in with options: { position: true }. Position tracking is off by default due to parsing cost.

```APIDOC
## Source positions

### Description
Visitors read `node.position` (the `{ start, end }` source range) only when the plugin opts in with `options: { position: true }`. Tracking positions adds a measurable parsing cost (~15% of parse), so it is off by default. `node.position` is `undefined` unless some plugin in the pipeline requests it.

### Usage
```js
const plugin = defineMdastPlugin({
  name: "needs-source-range",
  options: { position: true },
  heading(node) {
    console.log(node.position); // { start, end } instead of undefined
  },
});
```

### Notes
A single opted-in plugin enables positions for the whole pipeline, so a later plugin sees them too.
```

--------------------------------

### Register multiple filtered visitors with defineHastPlugin

Source: https://satteri.bruits.org/docs/plugin-api

Shows how to register multiple filtered visitors for the same node type by passing an array. The example registers visitors for h1-h3 headings and for links.

```typescript
const plugin = defineHastPlugin({
  name: "headings-and-links",
  element: [
    {
      filter: ["h1", "h2", "h3"],
      visit(node, ctx) {
        /* headings */
      },
    },
    {
      filter: ["a"],
      visit(node, ctx) {
        /* links */
      },
    },
  ],
});

```

--------------------------------

### Code block data.lang: markdown example

Source: https://satteri.bruits.org/docs/divergences

Shows a fenced code block with a language and meta string. Sätteri keeps the language as data.lang on the HAST element, while remark-rehype drops it.

```markdown
```rust title=foo.rs
fn main() {}
```

```

--------------------------------

### Factory that skips based on file URL

Source: https://satteri.bruits.org/docs/plugin-api

A factory can return a skip value (null) to drop the plugin for certain documents. This example only rewrites versions for CHANGELOG.md files.

```typescript
const onlyChangelogs = (ctx) => (ctx.fileURL?.pathname.endsWith("/CHANGELOG.md") ? rewriteVersions : null);

markdownToHtml(source, { mdastPlugins: [onlyChangelogs, myPlugin] });
```

--------------------------------

### Using a skip value in a plugin list

Source: https://satteri.bruits.org/docs/plugin-api

A skip value (null, undefined, or false) leaves that entry out. This example conditionally includes a plugin based on a boolean.

```typescript
markdownToHtml(source, { mdastPlugins: [isDev && debugPlugin, myPlugin] });
```

--------------------------------

### htmlToHast and hastToHtml usage

Source: https://satteri.bruits.org/docs/entry-points

Shows converting an HTML string to a HAST tree with htmlToHast, then serializing a HAST element back to HTML with hastToHtml. The second example demonstrates round-tripping a full document.

```javascript
import { hastToHtml, htmlToHast } from "satteri";

hastToHtml({ type: "element", tagName: "p", properties: {}, children: [{ type: "text", value: "hi" }] });
// '<p>hi</p>'

hastToHtml(htmlToHast("<!doctype html><p>hi</p>"));
// '<!doctype html><html><head></head><body><p>hi</p></body></html>'
```

--------------------------------

### Heading attributes merging id and class

Source: https://satteri.bruits.org/docs/features

Example showing that explicit `id=` and `class=` merge with `#`/`.` shorthands. The last id wins, classes accumulate in source order.

```markdown
## Heading {.intro #x class=lead id=main}
```

```html
<h2 id="main" class="intro lead">Heading</h2>
```

--------------------------------

### Missing positions on GFM autolinks: markdown example

Source: https://satteri.bruits.org/docs/divergences

Shows a GFM autolink preceded by an opening bracket. Sätteri reports a position for the autolink, while remark-gfm emits it with no position.

```markdown
[www.example.com

```

--------------------------------

### Get plain JS tree with markdownToMdast

Source: https://satteri.bruits.org/docs/plugin-api

Converts markdown source to a plain JavaScript MDAST tree that you own. Use markdownToMdast or markdownToHast from the entry points.

```js
import { markdownToMdast } from "satteri";
const tree = markdownToMdast(source); // plain objects, yours to keep
```

--------------------------------

### Convert markdown to a plain JavaScript tree with markdownToMdast

Source: https://satteri.bruits.org/docs/plugin-api

Use markdownToMdast to get a plain JavaScript object tree of the whole document. The returned tree is independent of Sätteri's internal Rust state and can be kept freely.

```javascript
import { markdownToMdast } from "satteri";

const tree = markdownToMdast(source); // plain objects, yours to keep

```

--------------------------------

### evaluate

Source: https://satteri.bruits.org/docs/entry-points

Compile and run MDX in one step, returning the module's exports including the default component.

```APIDOC
## evaluate

### Description
Compile and run MDX in one step, returning the module's exports (including `default`, the component). Requires a JSX runtime.

### Signature
`evaluate(source: string, options: { jsx: Function, jsxs: Function, Fragment: ComponentType }) => Promise<{ default: ComponentType, [key: string]: any }>`

### Parameters
- **source** (string) - Required - The MDX source string to compile and evaluate.
- **options** (object) - Required - Must include a JSX runtime (e.g., `react/jsx-runtime`).

### Example
```js
import { evaluate } from "satteri";
import * as runtime from "react/jsx-runtime";

const { default: Content } = evaluate("# Hello\n\n<Sparkle />", { ...runtime });
```
```

--------------------------------

### Plugin order: mdastPlugins and hastPlugins

Source: https://satteri.bruits.org/docs/plugins

Shows how to pass multiple plugins to markdownToHtml. Plugins run in array order, MDAST stage first, then HAST.

```javascript
markdownToHtml(source, {
  mdastPlugins: [emojis, unwrapImages],
  hastPlugins: [externalLinks, headingIds],
});
```

--------------------------------

### evaluate: Compile and run MDX

Source: https://satteri.bruits.org/docs/entry-points

Usage of the evaluate entry point. It compiles and runs MDX in one step, returning the module's exports (including `default`, the component). Pass a JSX runtime as the second argument.

```js
import { evaluate } from "satteri";
import * as runtime from "react/jsx-runtime";
const { default: Content } = evaluate("# Hello\n\n<Sparkle />", { ...runtime });
```

--------------------------------

### markdownToMdast usage example

Source: https://satteri.bruits.org/docs/entry-points

Parses a Markdown string into an Mdast tree. The example shows accessing the tree's children to inspect the heading type and depth.

```javascript
import { markdownToMdast } from "satteri";

const tree = markdownToMdast("# Hello");
tree.children[0].type; // "heading"
tree.children[0].depth; // 1
```

--------------------------------

### MDAST node example

Source: https://satteri.bruits.org/docs/asts

Example of an MDAST node representing a heading with depth and text children. Use this shape when operating on Markdown-level structures like headings, lists, and images.

```js
{
  type: "heading",
  depth: 2,
  children: [{ type: "text", value: "Hello" }],
}
```

--------------------------------

### HAST node example

Source: https://satteri.bruits.org/docs/asts

Example of a HAST node representing an HTML element with tagName, properties, and children. Use this shape when operating on HTML-level structures like adding attributes or wrapping elements.

```js
{
  type: "element",
  tagName: "h2",
  properties: { id: "hello" },
  children: [{ type: "text", value: "Hello" }],
}
```

--------------------------------

### Heading with quoted attribute value

Source: https://satteri.bruits.org/docs/features

Example of quoting an attribute value that contains spaces.

```markdown
# Title {data-label="hello world"}
```

--------------------------------

### evaluate

Source: https://satteri.bruits.org/docs/entry-points

Compiles and runs MDX in one step, returning the module's exports (including default, the component). Requires a JSX runtime.

```APIDOC
## evaluate

### Description
Compile and run MDX in one step, returning the module's exports (including `default`, the component). Pass a JSX runtime.

### Method
Function

### Signature
```ts
evaluate(source: string, options?: EvaluateOptions): Promise<EvaluateResult>;
```

### Parameters
- **source** (string) - Required - The MDX source string.
- **options** (object) - Required - Options object, must include a JSX runtime (e.g., `...runtime` from `react/jsx-runtime`).

### Return Value
Returns a `Promise` resolving to an object containing the module's exports, including `default` (the component).

### Example
```js
import { evaluate } from "satteri";
import * as runtime from "react/jsx-runtime";
const { default: Content } = evaluate("# Hello\n\n<Sparkle />", { ...runtime });
```
```

--------------------------------

### Passing a bundle of plugins

Source: https://satteri.bruits.org/docs/plugin-api

A bundle is an array of entries, nested as deeply as you like. The bundle's plugins run in their own order at the bundle's position.

```javascript
import { typography } from "some-package"; // an array of plugins

markdownToHtml(source, { mdastPlugins: [typography, myPlugin] });
```

--------------------------------

### Heading attributes with quoted values

Source: https://satteri.bruits.org/docs/features

Example of wrapping a value in `"` or `'` quotes when it needs to contain spaces.

```markdown
# Title {data-label="hello world"}
```

```html
<h1 data-label="hello world">Title</h1>
```

--------------------------------

### mdastPlugins / hastPlugins

Source: https://satteri.bruits.org/docs/plugin-api

Options that take a list of plugin entries. An entry can be a definition, a factory returning one, a bundle of entries, or a skip value. The shapes compose: a factory may return a bundle, a bundle may contain factories, and a skip value is accepted wherever an entry is.

```APIDOC
## mdastPlugins / hastPlugins

### Description
Options that accept a list of plugin entries. Each entry can be a plugin definition, a factory returning an entry, a bundle (array) of entries, or a skip value (`null`, `undefined`, `false`). The shapes compose recursively.

### Type Definitions
```ts
type MdastPluginEntry = MdastPluginDefinition | ((ctx: PluginFactoryContext) => MdastPluginEntry) | readonly MdastPluginEntry[] | null | undefined | false;
type MdastPluginList = readonly MdastPluginEntry[];
```
`HastPluginEntry` and `HastPluginList` are the HAST-side equivalents.

### Entry Types
- **Definition** - Used as-is for every document. Use when the plugin keeps no state between compiles.
- **Factory** - Called once per compile; anything it closes over resets for each document. May return a bundle or a single plugin.
- **Bundle** - An array of entries, nested as deeply as needed. Plugins in a bundle run in their own order at the bundle's position.
- **Skip value** (`null`, `undefined`, `false`) - Leaves that entry out. Any other invalid value is rejected with an error.

### Example
```js
const headingAnchors = () => {
  const slugs = new Set();
  return [collectSlugs(slugs), linkSlugs(slugs)];
};
markdownToHtml(source, { mdastPlugins: [headingAnchors] });
```
```

--------------------------------

### Plugin entry as nested array (bundle)

Source: https://satteri.bruits.org/docs/plugins

Shows a plugin entry that is an array of plugins, imported from a package. The bundle's plugins keep their own order and run at the bundle's position, equivalent to spreading the array.

```javascript
import { typography } from "some-package"; // an array of plugins

markdownToHtml(source, {
  mdastPlugins: [typography, unwrapImages],
});
```

--------------------------------

### Configure and import MDX with Preact

Source: https://satteri.bruits.org/docs/vite

Configure the MDX JSX runtime to use Preact and then import an MDX file as a component. The plugin compiles MDX with `development: true` in `serve` and production runtime in `build` by default; override with `mdx: { development: false }`.

```typescript
import { defineConfig } from "vite";
import satteri from "vite-plugin-satteri";

export default defineConfig({
  plugins: [
    satteri({
      mdx: {
        jsxImportSource: "preact",
      },
    }),
  ],
});

```

```typescript
import { render } from "preact";
import Intro, { frontmatter } from "./intro.mdx";

render(<Intro />, document.getElementById("root"));

```

--------------------------------

### Configure pnpm workspace for wasm32

Source: https://satteri.bruits.org/docs/installation

Add the wasm32 architecture to pnpm-workspace.yaml to opt in to the WASI build for browser usage.

```yaml
supportedArchitectures:
  cpu:
    - current
    - wasm32
```

--------------------------------

### Tree functions

Source: https://satteri.bruits.org/docs/entry-points

Functions to get plain JavaScript ASTs without running plugins or rendering. Includes markdownToMdast, mdxToMdast, markdownToHast, mdxToHast, htmlToHast, and hastToHtml.

```APIDOC
## Tree functions

### Description
To get a plain JavaScript AST without running plugins or rendering, use the tree functions. Each parses the source and returns a materialized tree directly (not a result object), and accepts a `TreeOptions` object with a `features` and a `position` option.

### Functions

#### markdownToMdast
```ts
markdownToMdast(source: string, options?: TreeOptions): MdastNode;
```
Parses Markdown and returns an MDAST tree.

#### mdxToMdast
```ts
mdxToMdast(source: string, options?: TreeOptions): MdastNode;
```
Parses MDX and returns an MDAST tree.

#### markdownToHast
```ts
markdownToHast(source: string, options?: TreeOptions): HastNode;
```
Parses Markdown and returns a HAST tree.

#### mdxToHast
```ts
mdxToHast(source: string, options?: TreeOptions): HastNode;
```
Parses MDX and returns a HAST tree.

#### htmlToHast
```ts
htmlToHast(html: string): HastNode;
```
Parses HTML and returns a HAST tree.

#### hastToHtml
```ts
hastToHtml(tree: HastNode | HastNode[]): string;
```
Serializes a HAST tree to an HTML string.

### TreeOptions
```ts
interface TreeOptions {
  features?: Features;
  position?: boolean;
}
```
- **features** (Features) - Optional - Feature flags.
- **position** (boolean) - Optional - Whether to record node positions. Defaults to true. Pass `false` to skip recording `node.position` for better performance.

### Example
```js
import { markdownToMdast } from "satteri";
const tree = markdownToMdast("# Hello");
tree.children[0].type; // "heading"
tree.children[0].depth; // 1
```

### Notes
Pass `position: false` to skip recording `node.position`. Disabling positions can greatly increase performance and lower memory usage. The returned tree is plain objects, yours to keep.
```

--------------------------------

### Plugin entry as array bundle

Source: https://satteri.bruits.org/docs/plugins

Shows that a plugin list entry can be an array of plugins, allowing a package to export a bundle without spreading. The bundle's plugins keep their own order and run at the bundle's position.

```javascript
import { typography } from "some-package"; // an array of plugins
markdownToHtml(source, {
  mdastPlugins: [typography, unwrapImages],
});
```