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| Current File : //proc/self/root/home/saurabh/.npm/_npx/249ca9fcd30c476a/node_modules/traverse/test/subexpr.js |
'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();
});
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