tra-analysis/website/functions/node_modules/traverse/test/siblings.js
2019-01-06 13:14:45 -06:00

38 lines
1.2 KiB
JavaScript

var test = require('tape');
var traverse = require('../');
test('siblings', function (t) {
var obj = { a : 1, b : 2, c : [ 4, 5, 6 ] };
var res = traverse(obj).reduce(function (acc, x) {
var p = '/' + this.path.join('/');
if (this.parent) {
acc[p] = {
siblings : this.parent.keys,
key : this.key,
index : this.parent.keys.indexOf(this.key)
};
}
else {
acc[p] = {
siblings : [],
key : this.key,
index : -1
}
}
return acc;
}, {});
t.same(res, {
'/' : { siblings : [], key : undefined, index : -1 },
'/a' : { siblings : [ 'a', 'b', 'c' ], key : 'a', index : 0 },
'/b' : { siblings : [ 'a', 'b', 'c' ], key : 'b', index : 1 },
'/c' : { siblings : [ 'a', 'b', 'c' ], key : 'c', index : 2 },
'/c/0' : { siblings : [ '0', '1', '2' ], key : '0', index : 0 },
'/c/1' : { siblings : [ '0', '1', '2' ], key : '1', index : 1 },
'/c/2' : { siblings : [ '0', '1', '2' ], key : '2', index : 2 }
});
t.end();
});