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traverse and transform objects by visiting every node on a recursive walk

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'use strict';

var test = require('tape');
var traverse = require('../');
var EventEmitter = require('events').EventEmitter;

test('check instanceof on node elems', function (t) {
	var counts = { emitter: 0 };

	traverse([new EventEmitter(), 3, 4, { ev: new EventEmitter() }])
		.forEach(function (node) {
			if (node instanceof EventEmitter) { counts.emitter += 1; }
		});
	t.equal(counts.emitter, 2);

	t.end();
});