remark-lint-maximum-line-length
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github-remark-lint rule to warn when lines are too long.Contents
unified().use(remarkLintMaximumLineLength[, options])
What is this?
This package checks the length of lines.When should I use this?
You can use this package to check that lines are within reason.Presets
This plugin is included in the following presets:| Preset | Options | | - | - | |
remark-preset-lint-markdown-style-guide
| 80
|Install
This package is ESM onlygithub-gist-esm. In Node.js (version 16+), install with npmnpm-install:npm install remark-lint-maximum-line-length
In Deno with
esm.sh
esm-sh:import remarkLintMaximumLineLength from 'https://esm.sh/remark-lint-maximum-line-length@4'
In browsers with
esm.sh
esm-sh:<script type="module">
import remarkLintMaximumLineLength from 'https://esm.sh/remark-lint-maximum-line-length@4?bundle'
</script>
Use
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",
…
]
}
…
API
This package exports no identifiers. It exports no additional TypeScripttypescript types. The default export isremarkLintMaximumLineLength
api-remark-lint-maximum-line-length.unified().use(remarkLintMaximumLineLength[, options])
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.
Parameters
options
(number
, default:80
)
Returns
Transform (Transformer
from unified
github-unified-transformer).Recommendation
Whether to wrap prose or not is a stylistic choice.Examples
ok.md
In
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>
Out
No messages.not-ok.md
When configured with 20
.In
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.
Out
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
long-autolinks-ok.md
When configured with 20
.In
<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.
Out
No messages.long-autolinks-nok.md
When configured with 20
.In
<http://localhost/mercury/> mercury.
Mercury <http://localhost/mercury/>.
Mercury
<http://localhost/mercury/> mercury.
Mercury <http://localhost/mercury/>
mercury.
Out
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
ok.md
When configured with 20
.In
👉 Note: this example uses
frontmatter (remark-frontmatter
github-remark-frontmatter).
```markdown
description: Mercury mercury mercury mercury.
###### Out
No messages.
##### `ok.md`
When configured with `20`.
###### In
> 👉 **Note**: this example uses
> GFM ([`remark-gfm`][github-remark-gfm]).
```markdown
| Mercury | Mercury | Mercury |
| ------- | ------- | ------- |
Out
No messages.ok.md
When configured with 20
.In
👉 Note: this example uses
math (remark-math
github-remark-math).
$$
L = \frac{1}{2} \rho v^2 S C_L
$$
Out
No messages.ok.md
When configured with 20
.In
👉 Note: this example uses
MDX (remark-mdx
github-remark-mdx).
export const description = 'Mercury mercury mercury mercury.'
{description}
Out
No messages.ok-mixed-line-endings.md
When configured with 10
.In
0123456789␍␊0123456789␊01234␍␊01234␊
Out
No messages.not-ok-mixed-line-endings.md
When configured with 10
.In
012345678901␍␊012345678901␊01234567890␍␊01234567890␊
Out
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
not-ok.md
When configured with '🌍'
.Out
1:1: Unexpected value `🌍` for `options`, expected `number`
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,
remark-lint-maximum-line-length@4
,
compatible with Node.js 16.Contribute
Seecontributing.md
github-dotfiles-contributing in remarkjs/.github
github-dotfiles-health for ways
to get started.
See support.md
github-dotfiles-support for ways to get help.This project has a code of conductgithub-dotfiles-coc. By interacting with this repository, organization, or community you agree to abide by its terms.