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remark-parse

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remark-parse - npm Package Compare versions

Comparing version 10.0.0 to 10.0.1

4

package.json
{
"name": "remark-parse",
"version": "10.0.0",
"description": "remark plugin to parse markdown",
"version": "10.0.1",
"description": "remark plugin to add support for parsing markdown input",
"license": "MIT",

@@ -6,0 +6,0 @@ "keywords": [

320

readme.md

@@ -11,16 +11,67 @@ # remark-parse

[Parser][] for [**unified**][unified].
Parses markdown to [**mdast**][mdast] syntax trees.
Built on [`micromark`][micromark] and
[`mdast-util-from-markdown`][from-markdown].
Used in the [**remark** processor][remark] but can be used on its own as well.
Can be [extended][extend] to change how markdown is parsed.
**[remark][]** plugin to add support for parsing markdown input.
## Contents
* [What is this?](#what-is-this)
* [When should I use this?](#when-should-i-use-this)
* [Install](#install)
* [Use](#use)
* [API](#api)
* [`unified().use(remarkParse)`](#unifieduseremarkparse)
* [Examples](#examples)
* [Example: support GFM and frontmatter](#example-support-gfm-and-frontmatter)
* [Example: turning markdown into a man page](#example-turning-markdown-into-a-man-page)
* [Syntax](#syntax)
* [Syntax tree](#syntax-tree)
* [Types](#types)
* [Compatibility](#compatibility)
* [Security](#security)
* [Contribute](#contribute)
* [Sponsor](#sponsor)
* [License](#license)
## What is this?
This package is a [unified][] ([remark][]) plugin that defines how to take
markdown as input and turn it into a syntax tree.
This plugin is built on [`mdast-util-from-markdown`][mdast-util-from-markdown],
which in turn uses [`micromark`][micromark] for parsing markdown into tokens and
turns those into [mdast][] syntax trees.
remark focusses on making it easier to transform content by abstracting such
internals away.
**unified** is a project that transforms content with abstract syntax trees
(ASTs).
**remark** adds support for markdown to unified.
**mdast** is the markdown AST that remark uses.
**micromark** is the markdown parser we use.
This is a remark plugin that defines how input markdown is turned into mdast.
## When should I use this?
This plugin adds support to unified for parsing markdown.
You can alternatively use [`remark`][remark-core] instead, which combines
unified, this plugin, and [`remark-stringify`][remark-stringify].
You can combine this plugin with other plugins to add syntax extensions.
Notable examples that deeply integrate with it are
[`remark-gfm`][remark-gfm],
[`remark-mdx`][remark-mdx],
[`remark-frontmatter`][remark-frontmatter],
[`remark-math`][remark-math], and
[`remark-directive`][remark-directive].
You can also use any other [remark plugin][plugin] after `remark-parse`.
If you *just* want to turn markdown into HTML (with maybe a few extensions),
we recommend [`micromark`][micromark] instead.
If you want to handle syntax trees manually, you can use
[`mdast-util-from-markdown`][mdast-util-from-markdown].
## Install
This package is [ESM only](https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c):
Node 12+ is needed to use it and it must be `import`ed instead of `require`d.
This package is [ESM only](https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c).
In Node.js (version 12.20+, 14.14+, or 16.0+), install with [npm][]:
[npm][]:
```sh

@@ -30,4 +81,20 @@ npm install remark-parse

In Deno with [Skypack][]:
```js
import remarkParse from 'https://cdn.skypack.dev/remark-parse@10?dts'
```
In browsers with [Skypack][]:
```html
<script type="module">
import remarkParse from 'https://cdn.skypack.dev/remark-parse@10?min'
</script>
```
## Use
Say we have the following module `example.js`:
```js

@@ -40,14 +107,17 @@ import {unified} from 'unified'

unified()
.use(remarkParse)
.use(remarkGfm)
.use(remarkRehype)
.use(rehypeStringify)
.process('# Hi\n\n*Hello*, world!')
.then((file) => {
console.log(String(file))
})
main()
async function main() {
const file = await unified()
.use(remarkParse)
.use(remarkGfm)
.use(remarkRehype)
.use(rehypeStringify)
.process('# Hi\n\n*Hello*, world!')
console.log(String(file))
}
```
Yields:
Running that with `node example.js` yields:

@@ -59,8 +129,4 @@ ```html

[See **unified** for more examples »][unified]
## API
[See **unified** for API docs »][unified]
This package exports no identifiers.

@@ -71,16 +137,108 @@ The default export is `remarkParse`.

Configure the `processor` to read markdown as input and process
[**mdast**][mdast] syntax trees.
Add support for parsing markdown input.
There are no options.
## Extending the parser
## Examples
See [`micromark`][micromark] and [`mdast-util-from-markdown`][from-markdown].
Then create a wrapper plugin such as [`remark-gfm`][gfm].
### Example: support GFM and frontmatter
We support CommonMark by default.
Non-standard markdown extensions can be enabled with plugins.
The following example adds support for GFM features (autolink literals,
footnotes, strikethrough, tables, tasklists) and frontmatter (YAML):
```js
import {unified} from 'unified'
import remarkParse from 'remark-parse'
import remarkFrontmatter from 'remark-frontmatter'
import remarkGfm from 'remark-gfm'
import remarkRehype from 'remark-rehype'
import rehypeStringify from 'rehype-stringify'
main()
async function main() {
const file = await unified()
.use(remarkParse)
.use(remarkFrontmatter)
.use(remarkGfm)
.use(remarkRehype)
.use(rehypeStringify)
.process('---\nlayout: home\n---\n\n# Hi ~~Mars~~Venus!')
console.log(String(file))
}
```
Yields:
```html
<h1>Hi <del>Mars</del>Venus!</h1>
```
### Example: turning markdown into a man page
Man pages (short for manual pages) are a way to document CLIs (example: type
`man git-log` in your terminal).
They use an old markup format called roff.
There’s a remark plugin, [`remark-man`][remark-man], that can serialize as roff.
The following example turns markdown into man pages by using unified with
`remark-parse` and `remark-man`:
```js
import {unified} from 'unified'
import remarkParse from 'remark-parse'
import remarkMan from 'remark-man'
main()
async function main() {
const file = await unified()
.use(remarkParse)
.use(remarkMan)
.process('# titan(7) -- largest moon of saturn\n\nTitan is the largest moon…')
console.log(String(file))
}
```
Yields:
```roff
.TH "TITAN" "7" "November 2021" "" ""
.SH "NAME"
\fBtitan\fR - largest moon of saturn
.P
Titan is the largest moon…
```
## Syntax
Markdown is parsed according to CommonMark.
Other plugins can add support for syntax extensions.
If you’re interested in extending markdown,
[more information is available in micromark’s readme][micromark-extend].
## Syntax tree
The syntax tree format used in remark is [mdast][].
## Types
This package is fully typed with [TypeScript][].
There are no extra exported types.
## Compatibility
Projects maintained by the unified collective are compatible with all maintained
versions of Node.js.
As of now, that is Node.js 12.20+, 14.14+, and 16.0+.
Our projects sometimes work with older versions, but this is not guaranteed.
## Security
As markdown is sometimes used for HTML, and improper use of HTML can open you up
to a [cross-site scripting (XSS)][xss] attack, use of remark can also be unsafe.
When going to HTML, use remark in combination with the [**rehype**][rehype]
ecosystem, and use [`rehype-sanitize`][sanitize] to make the tree safe.
As markdown can be turned into HTML and improper use of HTML can open you up to
[cross-site scripting (XSS)][xss] attacks, use of remark can be unsafe.
When going to HTML, you will likely combine remark with **[rehype][]**, in which
case you should use [`rehype-sanitize`][rehype-sanitize].

@@ -90,2 +248,4 @@ Use of remark plugins could also open you up to other attacks.

For info on how to submit a report, see our [security policy][security].
## Contribute

@@ -96,7 +256,4 @@

See [`support.md`][support] for ways to get help.
Ideas for new plugins and tools can be posted in [`remarkjs/ideas`][ideas].
Join us in [Discussions][chat] to chat with the community and contributors.
A curated list of awesome remark resources can be found in [**awesome
remark**][awesome].
This project has a [code of conduct][coc].

@@ -114,11 +271,19 @@ By interacting with this repository, organization, or community you agree to

<tr valign="middle">
<td width="20%" align="center" colspan="2">
<a href="https://www.gatsbyjs.org">Gatsby</a> 🥇<br><br>
<td width="20%" align="center" rowspan="2" colspan="2">
<a href="https://vercel.com">Vercel</a><br><br>
<a href="https://vercel.com"><img src="https://avatars1.githubusercontent.com/u/14985020?s=256&v=4" width="128"></a>
</td>
<td width="20%" align="center" rowspan="2" colspan="2">
<a href="https://motif.land">Motif</a><br><br>
<a href="https://motif.land"><img src="https://avatars1.githubusercontent.com/u/74457950?s=256&v=4" width="128"></a>
</td>
<td width="20%" align="center" rowspan="2" colspan="2">
<a href="https://www.hashicorp.com">HashiCorp</a><br><br>
<a href="https://www.hashicorp.com"><img src="https://avatars1.githubusercontent.com/u/761456?s=256&v=4" width="128"></a>
</td>
<td width="20%" align="center" rowspan="2" colspan="2">
<a href="https://www.gatsbyjs.org">Gatsby</a><br><br>
<a href="https://www.gatsbyjs.org"><img src="https://avatars1.githubusercontent.com/u/12551863?s=256&v=4" width="128"></a>
</td>
<td width="20%" align="center" colspan="2">
<a href="https://vercel.com">Vercel</a> 🥇<br><br>
<a href="https://vercel.com"><img src="https://avatars1.githubusercontent.com/u/14985020?s=256&v=4" width="128"></a>
</td>
<td width="20%" align="center" colspan="2">
<td width="20%" align="center" rowspan="2" colspan="2">
<a href="https://www.netlify.com">Netlify</a><br><br>

@@ -128,5 +293,9 @@ <!--OC has a sharper image-->

</td>
</tr>
<tr valign="middle">
</tr>
<tr valign="middle">
<td width="10%" align="center">
<a href="https://www.holloway.com">Holloway</a><br><br>
<a href="https://www.holloway.com"><img src="https://avatars1.githubusercontent.com/u/35904294?s=128&v=4" width="64"></a>
<a href="https://www.coinbase.com">Coinbase</a><br><br>
<a href="https://www.coinbase.com"><img src="https://avatars1.githubusercontent.com/u/1885080?s=256&v=4" width="64"></a>
</td>

@@ -138,2 +307,6 @@ <td width="10%" align="center">

<td width="10%" align="center">
<a href="https://expo.io">Expo</a><br><br>
<a href="https://expo.io"><img src="https://avatars1.githubusercontent.com/u/12504344?s=128&v=4" width="64"></a>
</td>
<td width="10%" align="center">
<a href="https://boosthub.io">Boost Hub</a><br><br>

@@ -143,5 +316,10 @@ <a href="https://boosthub.io"><img src="https://images.opencollective.com/boosthub/6318083/logo/128.png" width="64"></a>

<td width="10%" align="center">
<a href="https://expo.io">Expo</a><br><br>
<a href="https://expo.io"><img src="https://avatars1.githubusercontent.com/u/12504344?s=128&v=4" width="64"></a>
<a href="https://www.holloway.com">Holloway</a><br><br>
<a href="https://www.holloway.com"><img src="https://avatars1.githubusercontent.com/u/35904294?s=128&v=4" width="64"></a>
</td>
<td width="10%"></td>
<td width="10%"></td>
<td width="10%"></td>
<td width="10%"></td>
<td width="10%"></td>
</tr>

@@ -189,14 +367,12 @@ <tr valign="middle">

[security]: https://github.com/remarkjs/.github/blob/main/security.md
[health]: https://github.com/remarkjs/.github
[contributing]: https://github.com/remarkjs/.github/blob/HEAD/contributing.md
[contributing]: https://github.com/remarkjs/.github/blob/main/contributing.md
[support]: https://github.com/remarkjs/.github/blob/HEAD/support.md
[support]: https://github.com/remarkjs/.github/blob/main/support.md
[coc]: https://github.com/remarkjs/.github/blob/HEAD/code-of-conduct.md
[coc]: https://github.com/remarkjs/.github/blob/main/code-of-conduct.md
[ideas]: https://github.com/remarkjs/ideas
[awesome]: https://github.com/remarkjs/awesome-remark
[license]: https://github.com/remarkjs/remark/blob/main/license

@@ -208,22 +384,40 @@

[skypack]: https://www.skypack.dev
[unified]: https://github.com/unifiedjs/unified
[remark]: https://github.com/remarkjs/remark/tree/main/packages/remark
[remark]: https://github.com/remarkjs/remark
[mdast]: https://github.com/syntax-tree/mdast
[parser]: https://github.com/unifiedjs/unified#processorparser
[xss]: https://en.wikipedia.org/wiki/Cross-site_scripting
[extend]: #extending-the-parser
[typescript]: https://www.typescriptlang.org
[xss]: https://en.wikipedia.org/wiki/Cross-site_scripting
[rehype]: https://github.com/rehypejs/rehype
[sanitize]: https://github.com/rehypejs/rehype-sanitize
[rehype-sanitize]: https://github.com/rehypejs/rehype-sanitize
[mdast-util-from-markdown]: https://github.com/syntax-tree/mdast-util-from-markdown
[micromark]: https://github.com/micromark/micromark
[from-markdown]: https://github.com/syntax-tree/mdast-util-from-markdown
[micromark-extend]: https://github.com/micromark/micromark#extensions
[gfm]: https://github.com/remarkjs/remark-gfm
[remark-gfm]: https://github.com/remarkjs/remark-gfm
[remark-mdx]: https://github.com/mdx-js/mdx/tree/main/packages/remark-mdx
[remark-frontmatter]: https://github.com/remarkjs/remark-frontmatter
[remark-math]: https://github.com/remarkjs/remark-math
[remark-man]: https://github.com/remarkjs/remark-man
[remark-directive]: https://github.com/remarkjs/remark-directive
[remark-stringify]: ../remark-stringify/
[remark-core]: ../remark/
[plugin]: https://github.com/remarkjs/remark#plugin
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