hast utility to get the rank (also known as depth or level) of headings.
- What is this?
- When should I use this?
- Install
- Use
- API
- Types
- Compatibility
- Security
- Related
- Contribute
- License
This package is a utility that lets you get the rank (1
, 6
) of heading
elements (h1
, h6
).
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
.
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>
import {h} from 'hastscript'
import {headingRank} from 'hast-util-heading-rank'
headingRank(h('p', 'Alpha')) //=> undefined
headingRank(h('h5', 'Alpha')) //=> 5
This package exports the identifier headingRank
.
There is no default export.
Get the rank (1
to 6
) of headings (h1
to h6
).
node
(Node
) — node to check
Rank of the heading (number
) or undefined
if not a heading.
This package is fully typed with TypeScript. It exports no additional types.
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.
hast-util-heading-rank
does not mutate.
There are no openings for cross-site scripting (XSS) attacks.
hast-util-heading
— check if a node is heading contenthast-util-shift-heading
— change heading rank
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.