unist-util-size

Calculate the number of nodes in a Unist tree.

Installation

npm:

npm install unist-util-size

Usage

var h = require('hastscript')
var size = require('unist-util-size')

var tree = h('div', [
  h('p', [
    'Some ',
    h('strong', 'importance'),
    ' and ',
    h('em', 'emphasis'),
    '.'
  ]),
  h('pre', h('code', 'bar()'))
])

console.log(size(tree)) // => 11
console.log(size(tree.children[0])) // => 7
console.log(size(tree.children[0].children[0])) // => 0

API

size(tree)

Calculate the number of nodes in node. The result is excluding the given node itself.

Contribute

See contributing.md in syntax-tree/unist for ways to get started.

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License

MIT © Titus Wormer