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add support for Object.hasOwn(obj, key)

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Erik Krogh Kristensen
2022-05-24 13:47:41 +02:00
parent 1717d17fb3
commit 2a97dd9f6f
11 changed files with 171 additions and 10 deletions
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2
javascript/ql/src/Declarations/UnusedProperty.ql
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@@ -27,6 +27,8 @@ predicate hasUnknownPropertyRead(LocalObject obj) {
or
exists(obj.getAPropertyRead("hasOwnProperty"))
or
obj.flowsTo(DataFlow::globalVarRef("Object").getAMemberCall("hasOwn").getArgument(0))
or
exists(obj.getAPropertyRead("propertyIsEnumerable"))
}