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  • License MIT

mdast extension to parse and serialize GFM (GitHub Flavored Markdown)

Package Exports

  • mdast-util-gfm
  • mdast-util-gfm/from-markdown
  • mdast-util-gfm/to-markdown

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (mdast-util-gfm) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

mdast-util-gfm

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Extension for mdast-util-from-markdown and/or mdast-util-to-markdown to support GitHub flavored markdown in mdast. When parsing (from-markdown), must be combined with micromark-extension-gfm.

You probably shouldn’t use this package directly, but instead use remark-gfm with remark.

Alternatively, the extensions can be used separately:

Install

npm:

npm install mdast-util-gfm

Use

Say we have the following file, example.md:

# GFM

## Autolink literals

www.example.com, https://example.com, and contact@example.com.

## Strikethrough

~one~ or ~~two~~ tildes.

## Table

| a | b  |  c |  d  |
| - | :- | -: | :-: |

## Tasklist

* [ ] to do
* [x] done

And our script, example.js, looks as follows:

var fs = require('fs')
var fromMarkdown = require('mdast-util-from-markdown')
var toMarkdown = require('mdast-util-to-markdown')
var syntax = require('micromark-extension-gfm')
var gfm = require('mdast-util-gfm')

var doc = fs.readFileSync('example.md')

var tree = fromMarkdown(doc, {
  extensions: [syntax()],
  mdastExtensions: [gfm.fromMarkdown]
})

console.log(tree)

var out = toMarkdown(tree, {extensions: [gfm.toMarkdown()]})

console.log(out)

Now, running node example yields:

{
  type: 'root',
  children: [
    {type: 'heading', depth: 1, children: [{type: 'text', value: 'GFM'}]},
    {
      type: 'heading',
      depth: 2,
      children: [{type: 'text', value: 'Autolink literals'}]
    },
    {
      type: 'paragraph',
      children: [
        {
          type: 'link',
          title: null,
          url: 'http://www.example.com',
          children: [{type: 'text', value: 'www.example.com'}]
        },
        {type: 'text', value: ', '},
        {
          type: 'link',
          title: null,
          url: 'https://example.com',
          children: [{type: 'text', value: 'https://example.com'}]
        },
        {type: 'text', value: ', and '},
        {
          type: 'link',
          title: null,
          url: 'mailto:contact@example.com',
          children: [{type: 'text', value: 'contact@example.com'}]
        },
        {type: 'text', value: '.'}
      ]
    },
    {
      type: 'heading',
      depth: 2,
      children: [{type: 'text', value: 'Strikethrough'}]
    },
    {
      type: 'paragraph',
      children: [
        {
          type: 'delete',
          children: [{type: 'text', value: 'one'}]
        },
        {type: 'text', value: ' or '},
        {
          type: 'delete',
          children: [{type: 'text', value: 'two'}]
        },
        {type: 'text', value: ' tildes.'}
      ]
    },
    {type: 'heading', depth: 2, children: [{type: 'text', value: 'Table'}]},
    {
      type: 'table',
      align: [null, 'left', 'right', 'center'],
      children: [
        {
          type: 'tableRow',
          children: [
            {type: 'tableCell', children: [{type: 'text', value: 'a'}]},
            {type: 'tableCell', children: [{type: 'text', value: 'b'}]},
            {type: 'tableCell', children: [{type: 'text', value: 'c'}]},
            {type: 'tableCell', children: [{type: 'text', value: 'd'}]}
          ]
        }
      ]
    },
    {type: 'heading', depth: 2, children: [{type: 'text', value: 'Tasklist'}]},
    {
      type: 'list',
      ordered: false,
      start: null,
      spread: false,
      children: [
        {
          type: 'listItem',
          spread: false,
          checked: false,
          children: [
            {type: 'paragraph', children: [{type: 'text', value: 'to do'}]}
          ]
        },
        {
          type: 'listItem',
          spread: false,
          checked: true,
          children: [
            {type: 'paragraph', children: [{type: 'text', value: 'done'}]}
          ]
        }
      ]
    }
  ]
}
# GFM

## Autolink literals

[www.example.com](http://www.example.com), <https://example.com>, and <contact@example.com>.

## Strikethrough

~~one~~ or ~~two~~ tildes.

## Table

| a | b  |  c |  d  |
| - | :- | -: | :-: |

## Tasklist

*   [ ] to do
*   [x] done

API

gfm.fromMarkdown

gfm.toMarkdown(options?)

Note: the separate extensions are also available at mdast-util-gfm/from-markdown and mdast-util-gfm/to-markdown.

Support GFM. The exports of fromMarkdown is an extension for mdast-util-from-markdown. The export of toMarkdown is a function that can be called with options and returns an extension for mdast-util-to-markdown.

options

Passed as options to mdast-util-gfm-table.

The exports are extensions, respectively for mdast-util-from-markdown and mdast-util-to-markdown.

Contribute

See contributing.md in syntax-tree/.github for ways to get started. See support.md for ways to get help.

This project has a code of conduct. By interacting with this repository, organization, or community you agree to abide by its terms.

License

MIT © Titus Wormer