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| 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();
| });
|
|
