source: node_modules/traverse/test/date.js

'use strict';

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 type = (node instanceof Date && 'Date') || typeof node;
                counts[type] = (counts[type] || 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();
});