remark-lint
rule to warn when lines are too long.
- What is this?
- When should I use this?
- Presets
- Install
- Use
- API
- Recommendation
- Examples
- Compatibility
- Contribute
- License
This package checks the length of lines.
You can use this package to check that lines are within reason.
This plugin is included in the following presets:
Preset | Options |
---|---|
remark-preset-lint-markdown-style-guide |
80 |
This package is ESM only. In Node.js (version 16+), install with npm:
npm install remark-lint-maximum-line-length
In Deno with esm.sh
:
import remarkLintMaximumLineLength from 'https://esm.sh/remark-lint-maximum-line-length@4'
In browsers with esm.sh
:
<script type="module">
import remarkLintMaximumLineLength from 'https://esm.sh/remark-lint-maximum-line-length@4?bundle'
</script>
On the API:
import remarkLint from 'remark-lint'
import remarkLintMaximumLineLength from 'remark-lint-maximum-line-length'
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(remarkLintMaximumLineLength)
.use(remarkStringify)
.process(file)
console.error(reporter(file))
On the CLI:
remark --frail --use remark-lint --use remark-lint-maximum-line-length .
On the CLI in a config file (here a package.json
):
…
"remarkConfig": {
"plugins": [
…
"remark-lint",
+ "remark-lint-maximum-line-length",
…
]
}
…
This package exports no identifiers.
It exports no additional TypeScript types.
The default export is
remarkLintMaximumLineLength
.
Warn when lines are too long.
Nodes that cannot be wrapped are ignored, such as JSX, HTML, code (flow), definitions, headings, and tables.
When code (phrasing), images, and links start before the wrap, end after the wrap, and contain no whitespace, they are also ignored.
options
(number
, default:80
) — preferred max size
Transform (Transformer
from unified
).
Whether to wrap prose or not is a stylistic choice.
Mercury mercury mercury mercury mercury mercury mercury mercury mercury mercury
mercury.
Mercury mercury mercury mercury mercury mercury mercury mercury mercury `mercury()`.
Mercury mercury mercury mercury mercury mercury mercury mercury mercury <http://localhost>.
Mercury mercury mercury mercury mercury mercury mercury mercury mercury [mercury](http://localhost).
Mercury mercury mercury mercury mercury mercury mercury mercury mercury ![mercury](http://localhost).
<div>Mercury mercury mercury mercury mercury mercury mercury mercury mercury</div>
[foo]: http://localhost/mercury/mercury/mercury/mercury/mercury/mercury/mercury/mercury
No messages.
When configured with 20
.
Mercury mercury mercury
mercury.
Mercury mercury mercury `mercury()`.
Mercury mercury mercury <http://localhost>.
Mercury mercury mercury [m](example.com).
Mercury mercury mercury ![m](example.com).
`mercury()` mercury mercury mercury.
<http://localhost> mercury.
[m](example.com) mercury.
![m](example.com) mercury.
Mercury mercury ![m](example.com) mercury.
1:24: Unexpected `23` character line, expected at most `20` characters, remove `3` characters
4:37: Unexpected `36` character line, expected at most `20` characters, remove `16` characters
6:44: Unexpected `43` character line, expected at most `20` characters, remove `23` characters
8:42: Unexpected `41` character line, expected at most `20` characters, remove `21` characters
10:43: Unexpected `42` character line, expected at most `20` characters, remove `22` characters
12:37: Unexpected `36` character line, expected at most `20` characters, remove `16` characters
14:28: Unexpected `27` character line, expected at most `20` characters, remove `7` characters
16:26: Unexpected `25` character line, expected at most `20` characters, remove `5` characters
18:27: Unexpected `26` character line, expected at most `20` characters, remove `6` characters
20:43: Unexpected `42` character line, expected at most `20` characters, remove `22` characters
When configured with 20
.
<http://localhost/mercury/>
<http://localhost/mercury/>
mercury.
Mercury
<http://localhost/mercury/>.
Mercury
<http://localhost/mercury/>
mercury.
Mercury
<http://localhost/mercury/>
mercury mercury.
Mercury mercury
<http://localhost/mercury/>
mercury mercury.
No messages.
When configured with 20
.
<http://localhost/mercury/> mercury.
Mercury <http://localhost/mercury/>.
Mercury
<http://localhost/mercury/> mercury.
Mercury <http://localhost/mercury/>
mercury.
1:37: Unexpected `36` character line, expected at most `20` characters, remove `16` characters
6:37: Unexpected `36` character line, expected at most `20` characters, remove `16` characters
When configured with 20
.
👉 Note: this example uses frontmatter (
remark-frontmatter
).
---
description: Mercury mercury mercury mercury.
---
No messages.
When configured with 20
.
👉 Note: this example uses GFM (
remark-gfm
).
| Mercury | Mercury | Mercury |
| ------- | ------- | ------- |
No messages.
When configured with 20
.
👉 Note: this example uses math (
remark-math
).
$$
L = \frac{1}{2} \rho v^2 S C_L
$$
No messages.
When configured with 20
.
👉 Note: this example uses MDX (
remark-mdx
).
export const description = 'Mercury mercury mercury mercury.'
{description}
No messages.
When configured with 10
.
0123456789␍␊0123456789␊01234␍␊01234␊
No messages.
When configured with 10
.
012345678901␍␊012345678901␊01234567890␍␊01234567890␊
1:13: Unexpected `12` character line, expected at most `10` characters, remove `2` characters
2:13: Unexpected `12` character line, expected at most `10` characters, remove `2` characters
3:12: Unexpected `11` character line, expected at most `10` characters, remove `1` character
4:12: Unexpected `11` character line, expected at most `10` characters, remove `1` character
When configured with '🌍'
.
1:1: Unexpected value `🌍` for `options`, expected `number`
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-maximum-line-length@4
,
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.