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remark-lint-no-duplicate-headings-in-section
Advanced tools
remark-lint rule to warn on duplicate headings in a section
remark-lint
rule to warn when headings with the same text are used
multiple times per section.
This package is a unified (remark) plugin, specifically a remark-lint
rule.
Lint rules check markdown code style.
You can use this package to check that headings with the same text are used once per section.
This rule is not included in a preset maintained here.
This package is ESM only. In Node.js (version 12.20+, 14.14+, or 16.0+), install with npm:
npm install remark-lint-no-duplicate-headings-in-section
In Deno with esm.sh
:
import remarkLintNoDuplicateHeadingsInSection from 'https://esm.sh/remark-lint-no-duplicate-headings-in-section@3'
In browsers with esm.sh
:
<script type="module">
import remarkLintNoDuplicateHeadingsInSection from 'https://esm.sh/remark-lint-no-duplicate-headings-in-section@3?bundle'
</script>
On the API:
import {read} from 'to-vfile'
import {reporter} from 'vfile-reporter'
import {remark} from 'remark'
import remarkLint from 'remark-lint'
import remarkLintNoDuplicateHeadingsInSection from 'remark-lint-no-duplicate-headings-in-section'
main()
async function main() {
const file = await remark()
.use(remarkLint)
.use(remarkLintNoDuplicateHeadingsInSection)
.process(await read('example.md'))
console.error(reporter(file))
}
On the CLI:
remark --use remark-lint --use remark-lint-no-duplicate-headings-in-section example.md
On the CLI in a config file (here a package.json
):
…
"remarkConfig": {
"plugins": [
…
"remark-lint",
+ "remark-lint-no-duplicate-headings-in-section",
…
]
}
…
This package exports no identifiers.
The default export is remarkLintNoDuplicateHeadingsInSection
.
unified().use(remarkLintNoDuplicateHeadingsInSection[, config])
This rule supports standard configuration that all remark lint rules accept
(such as false
to turn it off or [1, options]
to configure it).
There are no options.
It’s likely a mistake that the same heading text is used in the same section.
ok.md
## Alpha
### Bravo
## Charlie
### Bravo
### Delta
#### Bravo
#### Echo
##### Bravo
No messages.
not-ok.md
## Foxtrot
### Golf
### Golf
5:1-5:9: Do not use headings with similar content per section (3:1)
not-ok-tolerant-heading-increment.md
# Alpha
#### Bravo
###### Charlie
#### Bravo
###### Delta
7:1-7:11: Do not use headings with similar content per section (3:1)
Projects maintained by the unified collective are compatible with all maintained versions of Node.js. As of now, that is Node.js 12.20+, 14.14+, and 16.0+. Our projects sometimes work with older versions, but this is not guaranteed.
See contributing.md
in remarkjs/.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
remark-lint rule to warn on duplicate headings in a section
The npm package remark-lint-no-duplicate-headings-in-section receives a total of 34,656 weekly downloads. As such, remark-lint-no-duplicate-headings-in-section popularity was classified as popular.
We found that remark-lint-no-duplicate-headings-in-section 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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