hast-util-heading-rank
hast utility to get the rank (also known as depth or level) of headings.
Contents
What is this?
This package is a utility that lets you get the rank (1
, 6
) of heading
elements (h1
, h6
).
When should I use this?
This utility is pretty niche, if you’re here you probably know what you’re
looking for!
To change heading ranks, use
hast-util-shift-heading
.
Install
This package is ESM only.
In Node.js (version 16+), install with npm:
npm install hast-util-heading-rank
In Deno with esm.sh
:
import {headingRank} from 'https://esm.sh/hast-util-heading-rank@3'
In browsers with esm.sh
:
<script type="module">
import {headingRank} from 'https://esm.sh/hast-util-heading-rank@3?bundle'
</script>
Use
import {h} from 'hastscript'
import {headingRank} from 'hast-util-heading-rank'
headingRank(h('p', 'Alpha'))
headingRank(h('h5', 'Alpha'))
API
This package exports the identifier headingRank
.
There is no default export.
headingRank(node)
Get the rank (1
to 6
) of headings (h1
to h6
).
Parameters
node
(Node
)
— node to check
Returns
Rank of the heading (number
) or undefined
if not a heading.
Types
This package is fully typed with TypeScript.
It exports no additional types.
Compatibility
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,
hast-util-heading-rank@^3
, compatible with Node.js 16.
Security
hast-util-heading-rank
does not mutate.
There are no openings for cross-site scripting (XSS) attacks.
Related
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