blob: a88c1579d1aa91025985f0f558a19aa03ea1ef67 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
namespace runtime {
extern runtime ArrayIsArray(implicit context: Context)(JSAny): JSAny;
} // namespace runtime
namespace array {
// ES #sec-array.isarray
javascript builtin ArrayIsArray(js-implicit context: NativeContext)(arg: JSAny):
JSAny {
// 1. Return ? IsArray(arg).
typeswitch (arg) {
case (JSArray): {
return True;
}
case (JSProxy): {
// TODO(verwaest): Handle proxies in-place
return runtime::ArrayIsArray(arg);
}
case (JSAny): {
return False;
}
}
}
} // namespace array
|
