47 lines
884 B
JavaScript
47 lines
884 B
JavaScript
'use strict';
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var test = require('tape');
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var traverse = require('../');
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test('stop', function (t) {
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var visits = 0;
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traverse('abcdefghij'.split('')).forEach(function (node) {
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if (typeof node === 'string') {
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visits += 1;
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if (node === 'e') { this.stop(); }
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}
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});
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t.equal(visits, 5);
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t.end();
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});
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test('stopMap', function (t) {
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var s = traverse('abcdefghij'.split('')).map(function (node) {
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if (typeof node === 'string') {
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if (node === 'e') { this.stop(); }
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return node.toUpperCase();
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}
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return void undefined;
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}).join('');
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t.equal(s, 'ABCDEfghij');
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t.end();
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});
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test('stopReduce', function (t) {
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var obj = {
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a: [4, 5],
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b: [6, [7, 8, 9]],
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};
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var xs = traverse(obj).reduce(function (acc, node) {
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if (this.isLeaf) {
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if (node === 7) { this.stop(); } else { acc.push(node); }
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}
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return acc;
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}, []);
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t.same(xs, [4, 5, 6]);
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t.end();
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});
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