@jwevans/markdown-it-code-block-line-numbers

Usage

npm i --save @jwevans/markdown-it-code-block-line-numbers

import MarkdownIt from 'markdown-it';
import MarkdownItCodeBlockLineNumbers from '@jwevans/markdown-it-code-block-line-numbers';

const md = new MarkdownIt();

md.use(MarkdownItCodeBlockLineNumbers);

md.render(/* Markdown String to Render */)

Enable using the modifiers after the language name: showNumbers, showLineNumbers, show-numbers, show-line-numbers, lineNumbers, or line-numbers.

Add an ="5" after the modifier to set the starting line number to 5.

Enable highlighting of the lines using the highlight or h1 modifiers. With =RANGES after or add =!RANGES to specify the numbers starting at the given start index. Use =?RANGES to explicitly start the highlighting numbers at 1. RANGES are specified like 1-5,7,9,12-15. If the start of the range is less than the end of the range, an error is throw.

Examples

```js showNumbers
/* Some JavaScript Code */
```

--OR--

```js showLineNumbers
/* Some JavaScript Code */
```

--OR--

```js show-numbers
/* Some JavaScript Code */
```

--OR--

```js show-line-numbers
/* Some JavaScript Code */
```

--OR--

Starts Numbering at 5
```js show-line-numbers="5"
/* Some JavaScript Code */
```

--OR--

Starts Numbering at 5
```js show-line-numbers=5
/* Some JavaScript Code */
```

--OR--

Starts Numbering at 5 and highlights the first 3 lines and the last line
```js show-line-numbers="5" hl=?1-3,5
/* Five Lines of JavaScript Code */
```

--OR--

Starts Numbering at 5 and highlights the first 3 lines and the last line
```js show-line-numbers="5" hl=!5-7,9
/* Five Lines of JavaScript Code */
```