remark-lint-no-consecutive-blank-lines
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github-remark-lint rule to warn when multiple blank lines are used.Contents
unified().use(remarkLintNoConsecutiveBlankLines)
What is this?
This package checks the number of blank lines.When should I use this?
You can use this package to check that there are no unneeded blank lines.Presets
This plugin is included in the following presets:| Preset | Options | | - | - | |
remark-preset-lint-markdown-style-guide
| |Install
This package is ESM onlygithub-gist-esm. In Node.js (version 16+), install with npmnpm-install:npm install remark-lint-no-consecutive-blank-lines
In Deno with
esm.sh
esm-sh:import remarkLintNoConsecutiveBlankLines from 'https://esm.sh/remark-lint-no-consecutive-blank-lines@5'
In browsers with
esm.sh
esm-sh:<script type="module">
import remarkLintNoConsecutiveBlankLines from 'https://esm.sh/remark-lint-no-consecutive-blank-lines@5?bundle'
</script>
Use
On the API:import remarkLint from 'remark-lint'
import remarkLintNoConsecutiveBlankLines from 'remark-lint-no-consecutive-blank-lines'
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(remarkLintNoConsecutiveBlankLines)
.use(remarkStringify)
.process(file)
console.error(reporter(file))
On the CLI:
remark --frail --use remark-lint --use remark-lint-no-consecutive-blank-lines .
On the CLI in a config file (here a
package.json
):…
"remarkConfig": {
"plugins": [
…
"remark-lint",
+ "remark-lint-no-consecutive-blank-lines",
…
]
}
…
API
This package exports no identifiers. It exports no additional TypeScripttypescript types. The default export isremarkLintNoConsecutiveBlankLines
api-remark-lint-no-consecutive-blank-lines.unified().use(remarkLintNoConsecutiveBlankLines)
Warn when multiple blank lines are used.Parameters
There are no options.Returns
Transform (Transformer
from unified
github-unified-transformer).Recommendation
More than one blank line has no effect between blocks.Fix
remark-stringify
github-remark-stringify adds exactly one blank line
between any block.
It has a join
option to configure more complex cases.Examples
ok.md
In
# Planets
Mercury.
Venus.
Out
No messages.not-ok.md
In
# Planets
Mercury.
Venus.
Out
4:1: Unexpected `2` blank lines before node, expected up to `1` blank line, remove `1` blank line
8:1: Unexpected `3` blank lines before node, expected up to `1` blank line, remove `2` blank lines
initial.md
In
␊Mercury.
Out
2:1: Unexpected `1` blank line before node, expected `0` blank lines, remove `1` blank line
final-one.md
In
Mercury.␊
Out
No messages.final-more.md
In
Mercury.␊␊
Out
1:9: Unexpected `1` blank line after node, expected `0` blank lines, remove `1` blank line
empty-document.md
Out
No messages.block-quote.md
In
> Mercury.
Venus.
>
> Earth.
>
Out
6:3: Unexpected `1` blank line before node, expected `0` blank lines, remove `1` blank line
6:9: Unexpected `1` blank line after node, expected `0` blank lines, remove `1` blank line
directive.md
In
👉 Note: this example uses
directives (remark-directive
github-remark-directive).
:::mercury
Venus.
Earth.
:::
Out
5:1: Unexpected `2` blank lines before node, expected up to `1` blank line, remove `1` blank line
footnote.md
In
👉 Note: this example uses
GFM (remark-gfm
github-remark-gfm).
Venus.
Mars.
Out
8:5: Unexpected `1` blank line before node, expected `0` blank lines, remove `1` blank line
11:5: Unexpected `2` blank lines before node, expected up to `1` blank line, remove `1` blank line
jsx.md
In
👉 Note: this example uses
MDX (remark-mdx
github-remark-mdx).
<Mercury>
Venus.
Earth.
</Mercury>
Out
5:3: Unexpected `2` blank lines before node, expected up to `1` blank line, remove `1` blank line
list.md
In
* Mercury.
* Venus.
***
* Mercury.
* Venus.
***
* Mercury.
* Venus.
Out
15:1: Unexpected `2` blank lines before node, expected up to `1` blank line, remove `1` blank line
list-item.md
In
* Mercury.
Venus.
***
* Mercury.
Venus.
***
* Mercury.
Venus.
***
*
Mercury.
Out
15:3: Unexpected `2` blank lines before node, expected up to `1` blank line, remove `1` blank line
20:3: Unexpected `1` blank line before node, expected `0` blank lines, remove `1` blank line
deep-block-quote.md
In
* > * > # Venus␊␊
Out
1:16: Unexpected `1` blank line after node, expected `0` blank lines, remove `1` blank line
deep-list-item.md
In
> * > * # Venus␊␊
Out
1:16: Unexpected `1` blank line after node, expected `0` blank lines, remove `1` blank line
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-no-consecutive-blank-lines@5
,
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.