remark-lint-definition-spacing

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remark-lintgithub-remark-lint rule to warn when consecutive whitespace is used in a definition label.

Contents

• What is this?
• When should I use this?
• Presets
• Install
• Use
• API

unified().use(remarkLintDefinitionSpacing)

• Recommendation
• Examples
• Compatibility
• Contribute
• License

What is this?

This package checks the whitepsace in definition labels.
GFM footnotes are not affected by this rule as footnote labels cannot contain whitespace.

When should I use this?

You can use this package to check that definition labels are consistent.

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-definition-spacing

In Deno with esm.shesm-sh:

import remarkLintDefinitionSpacing from 'https://esm.sh/remark-lint-definition-spacing@4'

In browsers with esm.shesm-sh:

<script type="module">
  import remarkLintDefinitionSpacing from 'https://esm.sh/remark-lint-definition-spacing@4?bundle'
</script>

Use

On the API:

import remarkLint from 'remark-lint'
import remarkLintDefinitionSpacing from 'remark-lint-definition-spacing'
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(remarkLintDefinitionSpacing)
  .use(remarkStringify)
  .process(file)

console.error(reporter(file))

On the CLI:

remark --frail --use remark-lint --use remark-lint-definition-spacing .

On the CLI in a config file (here a package.json):

…
"remarkConfig": {
  "plugins": [
    …
    "remark-lint",
+    "remark-lint-definition-spacing",
    …
  ]
}
…

API

This package exports no identifiers. It exports no additional TypeScripttypescript types. The default export is remarkLintDefinitionSpacingapi-remark-lint-definition-spacing.

unified().use(remarkLintDefinitionSpacing)

Warn when consecutive whitespace is used in a definition label.

Parameters

There are no options.

Returns

Transform (Transformer from unifiedgithub-unified-transformer).

Recommendation

Definitions and references are matched together by collapsing whitespace. Using more whitespace in labels might incorrectly indicate that they are of importance. Due to this, it’s recommended to use one space and turn this rule on.

Examples

ok.md

In

The first planet is [planet mercury][].

Out

No messages.

not-ok-consecutive.md

In

```markdown ```

Out

1:1-1:40: Unexpected `4` consecutive spaces in definition label, expected `1` space, remove `3` spaces

not-ok-non-space.md

In

```markdown ```

Out

1:1-3:20: Unexpected non-space whitespace character `\t` in definition label, expected `1` space, replace it
1:1-3:20: Unexpected non-space whitespace character `\n` in definition label, expected `1` space, replace it
1:1-3:20: Unexpected non-space whitespace character `\r` in definition label, expected `1` space, replace it

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-definition-spacing@4, compatible with Node.js 16.

Contribute

See contributing.mdgithub-dotfiles-contributing in remarkjs/.githubgithub-dotfiles-health for ways to get started. See support.mdgithub-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.

License

MITfile-license © Titus Wormerauthor