Breadth-first search traversal of an acorn-generated AST.
npm install acorn-bfs`` javascript`
/**
* Returns an array of nodes in the passed AST, traversed using BFS. Accepts an
* optional maximum number, n, of nodes to return. The returned array always
* begins with the root node.
*
* @param {Node} node The root node of the AST to traverse
* @param {int} [n] Optional max number of nodes to return
*/

#### Installation
``
npm install --save acorn-bfs
#### Example
` javascript
var acorn = require('acorn');
var bfs = require('acorn-bfs');
var ast = acorn.parse('function test() {\n' +
' return true;\n' +
'}\n');
bfs(ast).map(function(node) {
return node.type;
});
// =>
// ['Program', 'FunctionDeclaration', 'BlockStatement',
// 'ReturnStatement', 'Literal']
``