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| Current File : //proc/thread-self/root/home/saurabh/.npm/_npx/249ca9fcd30c476a/node_modules/traverse/test/stop.js |
'use strict';
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 += 1;
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();
}
return void undefined;
}).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();
});
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