Strict mode Failing
Expected no error, got SyntaxError: warning: the variable "Promise" was not declared in function "global"
Features:
- optional-chaining
Expected no error, got SyntaxError: warning: the variable "Promise" was not declared in function "global"
// 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 member expression in async context
info: |
Left-Hand-Side Expressions
OptionalExpression:
MemberExpression [PrimaryExpression this] OptionalChain
features: [optional-chaining]
flags: [async]
---*/
async function thisFn() {
return await this?.a
}
thisFn.call({a: Promise.resolve(33)}).then(function(arg) {
assert.sameValue(33, arg);
}).then($DONE, $DONE);