(function (tree) { tree.find = function (obj, fun) { for (var i = 0, r; i < obj.length; i++) { if (r = fun.call(obj, obj[i])) { return r } } return null; }; tree.jsify = function (obj) { if (Array.isArray(obj.value) && (obj.value.length > 1)) { return '[' + obj.value.map(function (v) { return v.toCSS(false) }).join(', ') + ']'; } else { return obj.toCSS(false); } }; })(require('./tree'));