var test = require('tape'); var traverse = require('../'); test('dateEach', function (t) { var obj = { x : new Date, y : 10, z : 5 }; var counts = {}; traverse(obj).forEach(function (node) { var t = (node instanceof Date && 'Date') || typeof node; counts[t] = (counts[t] || 0) + 1; }); t.same(counts, { object : 1, Date : 1, number : 2, }); t.end(); }); test('dateMap', function (t) { var obj = { x : new Date, y : 10, z : 5 }; var res = traverse(obj).map(function (node) { if (typeof node === 'number') this.update(node + 100); }); t.ok(obj.x !== res.x); t.same(res, { x : obj.x, y : 110, z : 105, }); t.end(); });