1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
| 'use strict';
|
| var traverse = require('../');
| var test = require('tape');
|
| test('subexpr', function (t) {
| var obj = ['a', 4, 'b', 5, 'c', 6];
| var r = traverse(obj).map(function (x) {
| if (typeof x === 'number') {
| this.update([x - 0.1, x, x + 0.1], true);
| }
| });
|
| t.same(obj, ['a', 4, 'b', 5, 'c', 6]);
| t.same(r, [
| 'a', [3.9, 4, 4.1],
| 'b', [4.9, 5, 5.1],
| 'c', [5.9, 6, 6.1],
| ]);
| t.end();
| });
|
| test('block', function (t) {
| var obj = [[1], [2], [3]];
| var r = traverse(obj).map(function (x) {
| if (Array.isArray(x) && !this.isRoot) {
| if (x[0] === 5) {
| this.block();
| } else {
| this.update([[x[0] + 1]]);
| }
| }
| });
|
| t.same(r, [
| [[[[[5]]]]],
| [[[[5]]]],
| [[[5]]],
| ]);
| t.end();
| });
|
|
