blob: 488035f4654347339041d9f2b65a80fa7e3a674e [file] [log] [blame]
// Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-json.stringify
description: >
Array proxy replacer serves as whitelist of object keys.
info: |
JSON.stringify ( value [ , replacer [ , space ] ] )
[...]
4. If Type(replacer) is Object, then
a. If IsCallable(replacer) is true, then
i. Let ReplacerFunction be replacer.
b. Else,
i. Let isArray be ? IsArray(replacer).
IsArray ( argument )
[...]
3. If argument is a Proxy exotic object, then
a. If argument.[[ProxyHandler]] is null, throw a TypeError exception.
b. Let target be argument.[[ProxyTarget]].
c. Return ? IsArray(target).
features: [Proxy]
---*/
var replacer = new Proxy(['b'], {});
assert.sameValue(JSON.stringify({a: 1, b: 2}, replacer), '{"b":2}');
assert.sameValue(JSON.stringify({b: {a: 3, b: 4}}, replacer), '{"b":{"b":4}}');