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remark-lint-no-undefined-references
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Readme
remark-lint
rule to warn when undefined definitions are referenced.
This package checks that referenced definitions are defined.
You can use this package to check for broken references.
This plugin is included in the following presets:
Preset | Options |
---|---|
remark-preset-lint-recommended |
This package is ESM only. In Node.js (version 16+), install with npm:
npm install remark-lint-no-undefined-references
In Deno with esm.sh
:
import remarkLintNoUndefinedReferences from 'https://esm.sh/remark-lint-no-undefined-references@5'
In browsers with esm.sh
:
<script type="module">
import remarkLintNoUndefinedReferences from 'https://esm.sh/remark-lint-no-undefined-references@5?bundle'
</script>
On the API:
import remarkLint from 'remark-lint'
import remarkLintNoUndefinedReferences from 'remark-lint-no-undefined-references'
import remarkParse from 'remark-parse'
import remarkStringify from 'remark-stringify'
import {read} from 'to-vfile'
import {unified} from 'unified'
import {reporter} from 'vfile-reporter'
const file = await read('example.md')
await unified()
.use(remarkParse)
.use(remarkLint)
.use(remarkLintNoUndefinedReferences)
.use(remarkStringify)
.process(file)
console.error(reporter(file))
On the CLI:
remark --frail --use remark-lint --use remark-lint-no-undefined-references .
On the CLI in a config file (here a package.json
):
…
"remarkConfig": {
"plugins": [
…
"remark-lint",
+ "remark-lint-no-undefined-references",
…
]
}
…
This package exports no identifiers.
It exports the TypeScript type
Options
.
The default export is
remarkLintNoUndefinedReferences
.
unified().use(remarkLintNoUndefinedReferences[, options])
Warn when undefined definitions are referenced.
options
(Options
, optional)
— configurationTransform (Transformer
from unified
).
Options
Configuration (TypeScript type).
allow
(Array<RegExp | string>
, optional)
— list of values to allow between [
and ]
allowShortcutLink
(boolean
, default: false
)
— allow shortcut references, which are just brackets such as [text]
Shortcut references use an implicit syntax that could also occur as plain
text.
To illustrate,
it is reasonable to expect an author adding […]
to abbreviate some text
somewhere in a document:
> Some […] quote.
This isn’t a problem, but it might become one when an author later adds a definition:
Some new text […][].
[…]: #read-more
The second author might expect only their newly added text to form a link, but their changes also result in a link for the text by the first author.
ok.md
[Mercury][] is the first planet from the Sun and the smallest in the Solar
System.
Venus is the second planet from the [Sun.
Earth is the third planet from the \[Sun] and the only astronomical object
known to harbor life\.
Mars is the fourth planet from the Sun: [].
[mercury]: https://example.com/mercury/
No messages.
not-ok.md
[Mercury] is the first planet from the Sun and the smallest in the Solar
System.
[Venus][] is the second planet from the Sun.
[Earth][earth] is the third planet from the Sun and the only astronomical
object known to harbor life.
![Mars] is the fourth planet from the Sun in the [Solar
System].
> Jupiter is the fifth planet from the Sun and the largest in the [Solar
> System][].
[Saturn][ is the sixth planet from the Sun and the second-largest
in the Solar System, after Jupiter.
[*Uranus*][] is the seventh planet from the Sun.
[Neptune][neptune][more] is the eighth and farthest planet from the Sun.
1:1-1:10: Unexpected reference to undefined definition, expected corresponding definition (`mercury`) for a link or escaped opening bracket (`\[`) for regular text
4:1-4:10: Unexpected reference to undefined definition, expected corresponding definition (`venus`) for a link or escaped opening bracket (`\[`) for regular text
6:1-6:15: Unexpected reference to undefined definition, expected corresponding definition (`earth`) for a link or escaped opening bracket (`\[`) for regular text
9:2-9:8: Unexpected reference to undefined definition, expected corresponding definition (`mars`) for an image or escaped opening bracket (`\[`) for regular text
9:50-10:8: Unexpected reference to undefined definition, expected corresponding definition (`solar system`) for a link or escaped opening bracket (`\[`) for regular text
12:67-13:12: Unexpected reference to undefined definition, expected corresponding definition (`solar > system`) for a link or escaped opening bracket (`\[`) for regular text
15:1-15:9: Unexpected reference to undefined definition, expected corresponding definition (`saturn`) for a link or escaped opening bracket (`\[`) for regular text
18:1-18:13: Unexpected reference to undefined definition, expected corresponding definition (`*uranus*`) for a link or escaped opening bracket (`\[`) for regular text
20:1-20:19: Unexpected reference to undefined definition, expected corresponding definition (`neptune`) for a link or escaped opening bracket (`\[`) for regular text
20:19-20:25: Unexpected reference to undefined definition, expected corresponding definition (`more`) for a link or escaped opening bracket (`\[`) for regular text
ok-allow.md
When configured with { allow: [ '…' ] }
.
Mercury is the first planet from the Sun and the smallest in the Solar
System. […]
No messages.
source.md
When configured with { allow: [ { source: '^mer' }, 'venus' ] }
.
[Mercury][] is the first planet from the Sun and the smallest in the Solar
System.
[Venus][] is the second planet from the Sun.
No messages.
gfm.md
👉 Note: this example uses GFM (
remark-gfm
).
Mercury[^mercury] is the first planet from the Sun and the smallest in the
Solar System.
[^venus]:
**Venus** is the second planet from the Sun.
1:8-1:18: Unexpected reference to undefined definition, expected corresponding definition (`mercury`) for a footnote or escaped opening bracket (`\[`) for regular text
allow-shortcut-link.md
When configured with { allowShortcutLink: true }
.
[Mercury] is the first planet from the Sun and the smallest in the Solar
System.
[Venus][] is the second planet from the Sun.
[Earth][earth] is the third planet from the Sun and the only astronomical object
known to harbor life.
4:1-4:10: Unexpected reference to undefined definition, expected corresponding definition (`venus`) for a link or escaped opening bracket (`\[`) for regular text
6:1-6:15: Unexpected reference to undefined definition, expected corresponding definition (`earth`) for a link or escaped opening bracket (`\[`) for regular text
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,
remark-lint-no-undefined-references@5
,
compatible with Node.js 16.
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 when references to undefined definitions are found
The npm package remark-lint-no-undefined-references receives a total of 113,145 weekly downloads. As such, remark-lint-no-undefined-references popularity was classified as popular.
We found that remark-lint-no-undefined-references 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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Streamline your login process and enhance security by enabling Single Sign-On (SSO) on the Socket platform, now available for all customers on the Enterprise plan, supporting 20+ identity providers.
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