remark-rehype
Advanced tools
The remark-rehype npm package is a plugin that transforms Markdown (.md) files into HTML. It is part of the unified ecosystem and is commonly used to integrate with other unified plugins to process and manipulate content.
Markdown to HTML conversion
This feature allows you to convert Markdown content into HTML. The code sample demonstrates how to set up a unified processor that parses Markdown, converts it to HTML using remark-rehype, and then serializes it to a string.
const unified = require('unified');
const markdown = require('remark-parse');
const remark2rehype = require('remark-rehype');
const html = require('rehype-stringify');
unified()
.use(markdown)
.use(remark2rehype)
.use(html)
.process('# Hello world!', function (err, file) {
if (err) throw err;
console.log(String(file));
});Integration with unified ecosystem
remark-rehype can be used in conjunction with other plugins in the unified ecosystem, such as rehype-format for formatting the resulting HTML. The code sample shows how to include the rehype-format plugin in the processing pipeline.
const unified = require('unified');
const markdown = require('remark-parse');
const remark2rehype = require('remark-rehype');
const rehypeFormat = require('rehype-format');
const html = require('rehype-stringify');
unified()
.use(markdown)
.use(remark2rehype)
.use(rehypeFormat)
.use(html)
.process('# Hello world!', function (err, file) {
if (err) throw err;
console.log(String(file));
});remark-html is a remark plugin to compile Markdown to HTML. It is similar to remark-rehype but does not use the rehype ecosystem, which means it has less flexibility in terms of further HTML manipulations.
Showdown is a JavaScript Markdown to HTML converter, which can be used on both the server and in the browser. Unlike remark-rehype, it is not part of the unified ecosystem and operates as a standalone converter.
Bridge / mutate from remark to rehype.
Note that
remark-rehypedoesn’t deal with HTML inside the markdown. You’ll needrehype-rawif you’re planning on doing that.
npm:
npm install remark-rehype
Say we have the following file, example.md:
# Hello world
> Block quote.
Some _emphasis_, **importance**, and `code`.
And our script, example.js, looks as follows:
var vfile = require('to-vfile');
var report = require('vfile-reporter');
var unified = require('unified');
var markdown = require('remark-parse');
var remark2rehype = require('remark-rehype');
var doc = require('rehype-document');
var format = require('rehype-format');
var html = require('rehype-stringify');
unified()
.use(markdown)
.use(remark2rehype)
.use(doc)
.use(format)
.use(html)
.process(vfile.readSync('example.md'), function (err, file) {
console.error(report(err || file));
console.log(String(file));
});
Now, running node example yields:
example.md: no issues found
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>example</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<h1>Hello world</h1>
<blockquote>
<p>Block quote.</p>
</blockquote>
<p>Some <em>emphasis</em>, <strong>importance</strong>, and <code>code</code>.</p>
</body>
</html>
origin.use(remark2rehype[, destination][, options])Either bridge or mutate from remark (MDAST) to rehype (HAST).
destinationIf given (Unified), runs the destination processor
with the new HAST tree, then, after running discards that tree and
continues on running the origin processor with the original tree
(bridge-mode). Otherwise, passes the tree to further
plug-ins (mutate-mode).
optionsoptions are passed through to mdast-util-to-hast, if given.
rehype-raw
— Properly deal with HTML in markdown (used after remark-rehype)rehype-remark
— Transform HTML to markdownrehype-retext
— Transform HTML to NLCSTremark-retext
— Transform markdown to NLCSTFAQs
remark plugin that turns markdown into HTML to support rehype
The npm package remark-rehype receives a total of 3,602,572 weekly downloads. As such, remark-rehype popularity was classified as popular.
We found that remark-rehype demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 3 open source maintainers collaborating on the project.
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