unified

Project: syntax-tree/hast-util-heading-rank

Package: hast-util-heading-rank@2.1.1

  1. hast utility to get the rank (or depth, level) of headings
  1. 72%
  3. MIT
  4. 7
  1. 255 B
  2. 8.7m
  1. util 145
  2. utility 141
  3. unist 132
  4. html 123
  5. hast 75
  6. hast-util 46
  7. heading 26
  8. depth 5
  9. level 5
  10. rank 2

hast-util-heading-rank

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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')) //=> undefined
headingRank(h('h5', 'Alpha')) //=> 5

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
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.

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