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hast-util-has-property
hast utility to check if an element has a property.
Install
This package is ESM only:
Node 12+ is needed to use it and it must be import
ed instead of require
d.
npm:
npm install hast-util-has-property
Use
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
API
This package exports the following identifiers: hasProperty
.
There is no default export.
hasProperty(node, name)
Check if node
is an element that has a name
property name.
Parameters
node
(Node
, optional) — Node to checkname
(string
) - Property name
Returns
boolean
— Whether node
is an element that has a name
property name.
Security
hast-util-has-property
does not change the syntax tree so there are no
openings for cross-site scripting (XSS) attacks.
Related
hast-util-is-element
— check if a node is a (certain) elementhast-util-is-body-ok-link
— check if a node is “Body OK” link elementhast-util-is-conditional-comment
— check if a node is a conditional commenthast-util-is-css-link
— check if a node is a CSS link elementhast-util-is-css-style
— check if a node is a CSS style elementhast-util-embedded
— check if a node is an embedded elementhast-util-heading
— check if a node is a heading elementhast-util-interactive
— check if a node is interactivehast-util-is-javascript
— check if a node is a JavaScript script elementhast-util-labelable
— check whether a node is labelablehast-util-phrasing
— check if a node is phrasing contenthast-util-script-supporting
— check if a node is a script-supporting elementhast-util-sectioning
— check if a node is a sectioning elementhast-util-transparent
— check if a node is a transparent elementhast-util-whitespace
— check if a node is inter-element whitespace
Contribute
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.