shift73k/assets_old/node_modules/traverse/test/stringify.js

36 lines
1 KiB
JavaScript

var test = require('tape');
var traverse = require('../');
test('stringify', function (t) {
var obj = [ 5, 6, -3, [ 7, 8, -2, 1 ], { f : 10, g : -13 } ];
var s = '';
traverse(obj).forEach(function (node) {
if (Array.isArray(node)) {
this.before(function () { s += '[' });
this.post(function (child) {
if (!child.isLast) s += ',';
});
this.after(function () { s += ']' });
}
else if (typeof node == 'object') {
this.before(function () { s += '{' });
this.pre(function (x, key) {
s += '"' + key + '"' + ':';
});
this.post(function (child) {
if (!child.isLast) s += ',';
});
this.after(function () { s += '}' });
}
else if (typeof node == 'function') {
s += 'null';
}
else {
s += node.toString();
}
});
t.equal(s, JSON.stringify(obj));
t.end();
});