rehype-preset-minify
Advanced tools
rehype preset to minify HTML.
This package is a unified (rehype) preset to minify HTML.
You can use this preset when you want to improve the size of HTML documents.
This package is ESM only. In Node.js (version 16+), install with npm:
npm install rehype-preset-minify
In Deno with esm.sh:
import rehypePresetMinify from 'https://esm.sh/rehype-preset-minify@7'
In browsers with esm.sh:
<script type="module">
import rehypePresetMinify from 'https://esm.sh/rehype-preset-minify@7?bundle'
</script>
On the API:
import rehypeParse from 'rehype-parse'
import rehypePresetMinify from 'rehype-preset-minify'
import rehypeStringify from 'rehype-stringify'
import {read} from 'to-vfile'
import {unified} from 'unified'
const file = await unified()
.use(rehypeParse)
.use(rehypePresetMinify)
.use(rehypeStringify)
.process(await read('index.html'))
console.log(String(file))
On the CLI:
rehype input.html --use rehype-preset-minify --output output.html
On the CLI in a config file (here a package.json):
…
"rehype": {
"plugins": [
…
+ "rehype-preset-minify",
…
]
}
…
This package exports no identifiers.
The default export is rehypePresetMinify.
unified().use(rehypePresetMinify)Preset to minify HTML
(Preset).
You can reconfigure plugins in presets by using them afterwards with different options.
<!doctype html>
<html lang="en-GB">
<head>
<meta charset="utf-8">
<meta http-equiv="content-language" content="en-US">
<script src="index.js" type="text/javascript" language="javascript">
alert(true);
</script>
<link rel="stylesheet" href="index.css" type="text/css">
<title>Foo & bar</title>
</head>
<body>
<h1 class="foo foo">bar bar</h1>
<p id="alfred" id="alfred"> <strong>foo</strong> <em>bar</em> </p>
<button type="BUTTON" onclick="javascript:return false">Alpha</button>
</body>
</html>
<!doctypehtml><html lang=en><meta charset=utf8><script src=index.js></script><link href=index.css rel=stylesheet><title>Foo & bar</title><h1 class=foo>bar bar</h1><p id=alfred><strong>foo</strong> <em>bar</em></p><button onclick=return!1 type=button>Alpha</button>
HTML is parsed according to WHATWG HTML (the living standard), which is also followed by all browsers.
The syntax tree used is hast.
This package is fully typed with TypeScript.
Projects maintained by the unified collective are compatible with maintained versions of Node.js.
When we cut a new major release, we drop support for unmaintained versions of
Node.
This means we try to keep the current release line,
rehype-preset-minify@^7,
compatible with Node.js 16.
As rehype works on HTML and improper use of HTML can open you up to a
cross-site scripting (XSS) attack, use of rehype can also be unsafe.
Use rehype-sanitize to make the tree safe.
See contributing.md in rehypejs/.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.
FAQs
rehype preset to minify and mangle HTML
The npm package rehype-preset-minify receives a total of 6,502 weekly downloads. As such, rehype-preset-minify popularity was classified as popular.
We found that rehype-preset-minify demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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