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| var test = require('tape');
| var traverse = require('../');
|
| test('stop', function (t) {
| var visits = 0;
| traverse('abcdefghij'.split('')).forEach(function (node) {
| if (typeof node === 'string') {
| visits ++;
| if (node === 'e') this.stop()
| }
| });
|
| t.equal(visits, 5);
| t.end();
| });
|
| test('stopMap', function (t) {
| var s = traverse('abcdefghij'.split('')).map(function (node) {
| if (typeof node === 'string') {
| if (node === 'e') this.stop()
| return node.toUpperCase();
| }
| }).join('');
|
| t.equal(s, 'ABCDEfghij');
| t.end();
| });
|
| test('stopReduce', function (t) {
| var obj = {
| a : [ 4, 5 ],
| b : [ 6, [ 7, 8, 9 ] ]
| };
| var xs = traverse(obj).reduce(function (acc, node) {
| if (this.isLeaf) {
| if (node === 7) this.stop();
| else acc.push(node)
| }
| return acc;
| }, []);
|
| t.same(xs, [ 4, 5, 6 ]);
| t.end();
| });
|
|
