123 lines
3.0 KiB
Markdown
123 lines
3.0 KiB
Markdown
# hast-util-whitespace
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[![Build][build-badge]][build]
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[![Coverage][coverage-badge]][coverage]
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[![Downloads][downloads-badge]][downloads]
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[![Size][size-badge]][size]
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[![Sponsors][sponsors-badge]][collective]
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[![Backers][backers-badge]][collective]
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[![Chat][chat-badge]][chat]
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[**hast**][hast] utility to check if a `node` is [*inter-element
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whitespace*][spec].
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## Install
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[npm][]:
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```sh
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npm install hast-util-whitespace
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```
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## Usage
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```js
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var whitespace = require('hast-util-whitespace')
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whitespace({
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type: 'element',
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tagName: 'div',
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children: []
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}) // => false
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whitespace({
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type: 'text',
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value: '\t \n'
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}) // => true
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whitespace({
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type: 'text',
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value: ' text\f'
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}) // => false
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```
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## API
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### `whitespace(node|value)`
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Check if the given value is [*inter-element whitespace*][spec].
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###### Parameters
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* `node` ([`Node`][node], optional) — Node to check
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* `value` (`string`, optional) — Value to check
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###### Returns
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`boolean` — Whether the `value` is inter-element white-space: consisting of zero
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or more of space, tab (`\t`), line feed (`\n`), carriage return (`\r`), or form
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feed (`\f`).
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If `node` is passed it must be a [*text*][text] node.
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## Contribute
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See [`contributing.md` in `syntax-tree/.github`][contributing] for ways to get
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started.
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See [`support.md`][support] for ways to get help.
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This project has a [Code of Conduct][coc].
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By interacting with this repository, organisation, or community you agree to
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abide by its terms.
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## License
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[MIT][license] © [Titus Wormer][author]
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<!-- Definition -->
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[build-badge]: https://img.shields.io/travis/syntax-tree/hast-util-whitespace.svg
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[build]: https://travis-ci.org/syntax-tree/hast-util-whitespace
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[coverage-badge]: https://img.shields.io/codecov/c/github/syntax-tree/hast-util-whitespace.svg
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[coverage]: https://codecov.io/github/syntax-tree/hast-util-whitespace
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[downloads-badge]: https://img.shields.io/npm/dm/hast-util-whitespace.svg
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[downloads]: https://www.npmjs.com/package/hast-util-whitespace
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[size-badge]: https://img.shields.io/bundlephobia/minzip/hast-util-whitespace.svg
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[size]: https://bundlephobia.com/result?p=hast-util-whitespace
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[sponsors-badge]: https://opencollective.com/unified/sponsors/badge.svg
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[backers-badge]: https://opencollective.com/unified/backers/badge.svg
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[collective]: https://opencollective.com/unified
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[chat-badge]: https://img.shields.io/badge/join%20the%20community-on%20spectrum-7b16ff.svg
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[chat]: https://spectrum.chat/unified/syntax-tree
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[npm]: https://docs.npmjs.com/cli/install
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[license]: license
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[author]: https://wooorm.com
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[contributing]: https://github.com/syntax-tree/.github/blob/master/contributing.md
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[support]: https://github.com/syntax-tree/.github/blob/master/support.md
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[coc]: https://github.com/syntax-tree/.github/blob/master/code-of-conduct.md
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[hast]: https://github.com/syntax-tree/hast
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[spec]: https://html.spec.whatwg.org/#inter-element-whitespace
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[node]: https://github.com/syntax-tree/hast#nodes
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[text]: https://github.com/syntax-tree/hast#text
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