# markdown-it-custom-block

> Handle custom blocks transformations

## Usage

```js
import customBlock from 'markdown-it-custom-block'

markdownit().use(customBlock, {
  example(arg) {
    return `<example-${arg}/>`
  },
  video(url) {
    return `<video controls>
        <source src="${url}" type="video/mp4">
      </video>`
  },
})
```

```md
@[example](hello)

@[video](video.mp4)
```

becomes

```html
<example-hello />
<video controls>
  <source src="video.mp4" type="video/mp4" />
</video>
```

## License

[MIT](http://opensource.org/licenses/MIT)