hast utility to get the state of a <menu> element.

npm:

npm install hast-util-menu-state

var menuState = require('hast-util-menu-state') // If there’s no last element or that node is not a `menu`: menuState([{type: 'element', tagName: 'a'}]) // => null // If the last node is a `menu` without `type`: menuState([{type: 'element', tagName: 'menu'}]) // => 'toolbar' // If the last node is a `menu` with a `type`, or that node has // a parent `menu` with a type: menuState([ {type: 'element', tagName: 'menu', properties: {type: 'context'}}, {type: 'element', tagName: 'li'}, {type: 'element', tagName: 'menu'} ]) // => 'context'

Get the state of a <menu> element. The state is calculated from the lowest <menu> with a valid type property. If no <menu> has a type, it defaults to 'toolbar'.

The algorithm stops looking for higher <menu>s if a template element, or non-element, is found.

• nodes (Array.<Node>, optional) — Nodes to check, where the last node is a <menu> element. The first node is its root. All nodes are therefore inclusive ancestors.

string? — either 'context' or 'toolbar' (the state the menu is in), or null, if the last node is not a menu element.

hast-util-menu-state does not change the syntax tree so there are no openings for cross-site scripting (XSS) attacks.

• unist-util-visit-parents — recursively walk over unist nodes, with ancestral information

See contributing.md in syntax-tree/.github for ways to get started. See support.md for ways to get help.

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MIT © Titus Wormer