source: node_modules/traverse/test/interface.js

'use strict';

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

test('interface map', function (t) {
        var obj = { a: [5, 6, 7], b: { c: [8] } };

        t.same(
                traverse.paths(obj)
                        .sort()
                        .map(function (path) { return path.join('/'); })
                        .slice(1)
                        .join(' ')
                ,
                'a a/0 a/1 a/2 b b/c b/c/0'
        );

        t.same(
                traverse.nodes(obj),
                [
                        { a: [5, 6, 7], b: { c: [8] } },
                        [5, 6, 7], 5, 6, 7,
                        { c: [8] }, [8], 8,
                ]
        );

        t.same(
                traverse.map(obj, function (node) {
                        if (typeof node === 'number') {
                                return node + 1000;
                        }
                        if (Array.isArray(node)) {
                                return node.join(' ');
                        }
                        return void undefined;
                }),
                { a: '5 6 7', b: { c: '8' } }
        );

        var nodes = 0;
        traverse.forEach(obj, function () { nodes += 1; });
        t.equal(nodes, 8);

        t.end();
});