unist-util-find-all-between
Utility to find nodes between two nodes
Last updated 2 years ago by mrzmmr .
MIT · Repository · Bugs · Original npm · Tarball · package.json
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unist-util-find-all-between

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unist utility to find nodes between two nodes.

Install

npm i -S unist-util-find-all-between

Usage

const between = require('unist-util-find-all-between')
const u = require('unist-builder')

const parent = u('tree', [
  u('leaf', 'leaf 1'),
  u('node', [u('leaf', 'leaf 2'), u('leaf', 'leaf 3')]),
  u('leaf', 'leaf 4'),
  u('node', [u('leaf', 'leaf 5')]),
  u('leaf', 'leaf 6'),
  u('void'),
  u('leaf', 'leaf 7')
])

const result = between(parent, 0, 4, 'leaf')

console.log(result)

Yields:

[ { type: 'leaf', value: 'leaf 4' } ]

You can also pass a node in as start and/or end. For example given the tree above,

// ...

const start = {
  type: 'leaf',
  value: 'leaf 4'
}

const end = {
  type: 'leaf',
  value: 'leaf 6'
}

const result = between(parent, start, end, 'node')

console.dir(result, {depth: null})

Yields:

[ { type: 'node',
    children: [ { type: 'leaf', value: 'leaf 5' } ] } ]

API

between(parent, start, end[, test])

Find all child nodes of parent, that pass test between but not including start and end.

parent

Type: Node

Parent node to search through.

start

Type: Node | index

Child of parent node. Can be an actual node or the index of a child node. If a node is given, unist-util-find is used to find the node.

end

Type: Node | index

Child of parent node. Can be an actual node or the index of a child node. If a node is given, unist-util-find is used to find the node.

test?

Type: Function | String | Object | Array

Test to find nodes. Uses unist-util-is to check.

Related

Contribute

PRs accepted and greatly appreciated.

License

MIT © Paul Zimmer

Current Tags

  • 2.1.0                                ...           latest (2 months ago)

8 Versions

  • 2.1.0                                ...           2 months ago
  • 2.0.0                                ...           a year ago
  • 1.0.6                                ...           a year ago
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  • 1.0.2                                ...           2 years ago
  • 1.0.1                                ...           4 years ago
  • 1.0.0                                ...           4 years ago
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