2019-09-21 16:11:55 +02:00

43 lines
1.0 KiB
JavaScript

var assert = require('assert');
var Traverse = require('traverse');
exports['interface map'] = function () {
var obj = { a : [ 5,6,7 ], b : { c : [8] } };
assert.deepEqual(
Traverse.paths(obj)
.sort()
.map(function (path) { return path.join('/') })
.slice(1)
.join(' ')
,
'a a/0 a/1 a/2 b b/c b/c/0'
);
assert.deepEqual(
Traverse.nodes(obj),
[
{ a: [ 5, 6, 7 ], b: { c: [ 8 ] } },
[ 5, 6, 7 ], 5, 6, 7,
{ c: [ 8 ] }, [ 8 ], 8
]
);
assert.deepEqual(
Traverse.map(obj, function (node) {
if (typeof node == 'number') {
return node + 1000;
}
else if (Array.isArray(node)) {
return node.join(' ');
}
}),
{ a: '5 6 7', b: { c: '8' } }
);
var nodes = 0;
Traverse.forEach(obj, function (node) { nodes ++ });
assert.deepEqual(nodes, 8);
};