remark-lint-final-newline

remark-lint rule to warn when a final line ending is missing.

• What is this?
• When should I use this?
• Presets
• Install
• Use
• API
  • unified().use(remarkLintFinalNewline)
• Recommendation
• Fix
• Examples
• Compatibility
• Contribute
• License

This package checks the final line ending.

You can use this package to check final line endings.

This plugin is included in the following presets:

This package is ESM only. In Node.js (version 16+), install with npm:

npm install remark-lint-final-newline

In Deno with esm.sh:

import remarkLintFinalNewline from 'https://esm.sh/remark-lint-final-newline@3'

In browsers with esm.sh:

<script type="module">
  import remarkLintFinalNewline from 'https://esm.sh/remark-lint-final-newline@3?bundle'
</script>

On the API:

import remarkLint from 'remark-lint'
import remarkLintFinalNewline from 'remark-lint-final-newline'
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(remarkLintFinalNewline)
  .use(remarkStringify)
  .process(file)

console.error(reporter(file))

On the CLI:

remark --frail --use remark-lint --use remark-lint-final-newline .

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

 …
 "remarkConfig": {
   "plugins": [
     …
     "remark-lint",
+    "remark-lint-final-newline",
     …
   ]
 }
 …

This package exports no identifiers. It exports no additional TypeScript types. The default export is remarkLintFinalNewline.

Warn when a final line ending is missing.

There are no options.

Transform (Transformer from unified).

Turn this rule on. See StackExchange for more info.

remark-stringify always adds final line endings.

Mercury␊

No messages.

Mercury␀

1:8: Unexpected missing final newline character, expected line feed (`\n`) at end of file

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-final-newline@3, 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.

MIT © Titus Wormer