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Showing content from https://github.com/syntax-tree/hast-util-whitespace below:

syntax-tree/hast-util-whitespace: utility to check if a node is inter-element whitespace

hast utility to check if a node is inter-element whitespace.

• What is this?
• When should I use this?
• Install
• Use
• API
  • whitespace(thing)
• Types
• Compatibility
• Security
• Related
• Contribute
• License

This package is a small utility that checks if a node is whitespace according to HTML.

This utility is super niche, if you’re here you probably know what you’re looking for!

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

npm install hast-util-whitespace

In Deno with esm.sh:

import {whitespace} from 'https://esm.sh/hast-util-whitespace@3'

In browsers with esm.sh:

<script type="module">
  import {whitespace} from 'https://esm.sh/hast-util-whitespace@3?bundle'
</script>

import {whitespace} from 'hast-util-whitespace'

whitespace({
  type: 'element',
  tagName: 'div',
  properties: {},
  children: []
}) // => false

whitespace({
  type: 'text',
  value: '\t  \n'
}) // => true

whitespace({
  type: 'text',
  value: '  text\f'
}) // => false

This package exports the identifier whitespace. There is no default export.

Check if the given value is inter-element whitespace.

• thing (Node or string, optional) — thing to check

Whether the value is inter-element whitespace (boolean): consisting of zero or more of space, tab (\t), line feed (\n), carriage return (\r), or form feed (\f). If a node is passed it must be a Text node, whose value field is checked.

This package is fully typed with TypeScript. It exports no additional types.

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, hast-util-whitespace@^3, compatible with Node.js 16.

hast-util-whitespace does not change the syntax tree so there are no openings for cross-site scripting (XSS) attacks.

• hast-util-is-element — check if a node is a (certain) element
• hast-util-has-property — check if a node has a property
• hast-util-transparent — check if a node is a transparent element
• hast-util-heading — check if a node is a heading element
• hast-util-labelable — check whether a node is labelable
• hast-util-phrasing — check if a node is phrasing content
• hast-util-embedded — check if a node is an embedded element
• hast-util-sectioning — check if a node is a sectioning element
• hast-util-interactive — check if a node is interactive
• hast-util-script-supporting — check if a node is a script-supporting element
• hast-util-is-body-ok-link — check if a node is “Body OK” link element
• hast-util-is-conditional-comment — check if a node is a conditional comment
• hast-util-is-css-link — check if a node is a CSS link element
• hast-util-is-css-style — check if a node is a CSS style element
• hast-util-is-javascript — check if a node is a JavaScript script element

See contributing.md in syntax-tree/.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

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