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

syntax-tree/hast-util-has-property: utility to check if a node has a property

hast utility to check if an element has a certain property.

• What is this?
• When should I use this?
• Install
• Use
• API
  • hasProperty(node, field)
• Types
• Compatibility
• Security
• Related
• Contribute
• License

This package is a small utility that checks if a node is an element that has a given property.

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-has-property

In Deno with esm.sh:

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

In browsers with esm.sh:

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

import {hasProperty} from 'hast-util-has-property'

hasProperty({type: 'text', value: 'alpha'}, 'bravo') // => false

hasProperty(
  {
    type: 'element',
    tagName: 'div',
    properties: {id: 'bravo'},
    children: []
  },
  'className'
) // => false

hasProperty(
  {
    type: 'element',
    tagName: 'div',
    properties: {id: 'charlie'},
    children: []
  },
  'id'
) // => true

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

Check if nodeis an element and has a name property.

• node (Node) — node to check (typically Element)
• name (string) - property name to check

Whether node is an element that has a name property (boolean).

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-has-property@^3, compatible with Node.js 16.

hast-util-has-property 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-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-embedded — check if a node is an embedded element
• hast-util-heading — check if a node is a heading element
• hast-util-interactive — check if a node is interactive
• hast-util-is-javascript — check if a node is a JavaScript script element
• hast-util-labelable — check whether a node is labelable
• hast-util-phrasing — check if a node is phrasing content
• hast-util-script-supporting — check if a node is a script-supporting element
• hast-util-sectioning — check if a node is a sectioning element
• hast-util-transparent — check if a node is a transparent element
• hast-util-whitespace — check if a node is inter-element whitespace

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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