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// Copyright 2019 Google, Inc. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: prod-OptionalExpression
description: >
optional chain on recursive optional expression
info: |
Left-Hand-Side Expressions
OptionalExpression:
OptionalExpression OptionalChain
features: [optional-chaining]
---*/
const obj = {
a: {
b: 22
}
};
function fn () {
return {};
}
// OptionalExpression (MemberExpression OptionalChain) OptionalChain
assert.sameValue(22, obj?.a?.b);
// OptionalExpression (CallExpression OptionalChain) OptionalChain
assert.sameValue(undefined, fn()?.a?.b);
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