Function walk

lib/api.js:38–40

* Walks the tree and passes all nodes via a callback * * @memberof tree * * @param {Function} cb Callback * @return {Function} Callback(node) * *@example * ```js * export const walk = (tree) => { * tree.walk((node) => { * let classes = node.attrs && node.attrs.class.split(' ')

(cb)

 * ```
 */
function walk (cb) {
  return traverse(this, cb)
}

/**
 * Matches an expression to search for nodes in the tree