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unist-util-visit-children
Advanced tools
unist utility to visit direct children of a parent.
This is a tiny utility that you can use to create a reusable function that only visits direct children.
Probably never!
Use unist-util-visit
.
This package is ESM only. In Node.js (version 14.14+ and 16.0+), install with npm:
npm install unist-util-visit-children
In Deno with esm.sh
:
import {visitChildren} from 'https://esm.sh/unist-util-visit-children@2'
In browsers with esm.sh
:
<script type="module">
import {visitChildren} from 'https://esm.sh/unist-util-visit-children@2?bundle'
</script>
import u from 'unist-builder'
import {visitChildren} from 'unist-util-visit-children'
const visit = visitChildren(function (node) {
console.log(node)
})
const tree = u('tree', [
u('leaf', 'leaf 1'),
u('node', [u('leaf', 'leaf 2'), u('leaf', 'leaf 3')]),
u('leaf', 'leaf 4'),
u('void')
])
visit(tree)
Yields:
{type: 'leaf', value: 'leaf 1'}
{
type: 'node',
children: [
{type: 'leaf', value: 'leaf 2'},
{type: 'leaf', value: 'leaf 3'}
]
}
{type: 'leaf', value: 'leaf 4'}
{type: 'void'}
This package exports the identifier visitChildren
.
There is no default export.
visitChildren(visitor)
Wrap visitor
to be called for each child in the nodes later given to visit
.
visitor
(Visitor
)
— callback called for each child
in parent
later given to visit
Function to call the bound visitor
for each child in parent
(Visit
).
Visitor
Callback called for each child
in parent
later given to visit
(TypeScript type).
child
(Node
)
— child of parentindex
(number
)
— position of child
in parentparent
(Node
)
— parent nodeNothing (void
).
Visit
Function to call the bound visitor
for each child in parent
(TypeScript type).
parent
(Node
)
— parent nodeNothing (void
).
This package is fully typed with TypeScript.
It exports the additional types Visit
and
Visitor
.
Projects maintained by the unified collective are compatible with all maintained versions of Node.js. As of now, that is Node.js 14.14+ and 16.0+. Our projects sometimes work with older versions, but this is not guaranteed.
unist-util-visit
— walk the treeunist-util-visit-parents
— walk the tree with a stack of parentsunist-util-filter
— create a new tree with all nodes that pass a testunist-util-map
— create a new tree with all nodes mapped by a given functionunist-util-flatmap
— create a new tree by mapping (to an array) with the given functionunist-util-find-all-after
— find nodes after another nodeunist-util-find-all-before
— find nodes before another nodeunist-util-find-after
— find a node after another nodeunist-util-find-before
— find a node before another nodeunist-util-find-all-between
— find all nodes between two nodesunist-util-remove
— remove nodes from a tree that pass a testunist-util-select
— select nodes with CSS-like selectorsSee 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, organisation, or community you agree to abide by its terms.
FAQs
unist utility to visit direct children of a parent
The npm package unist-util-visit-children receives a total of 361,389 weekly downloads. As such, unist-util-visit-children popularity was classified as popular.
We found that unist-util-visit-children demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
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