nl_tokens: 3 . 1 . 1 . 1 OrdinaryHasMetadata ( MetadataKey O P ) https : // rbuckton . github . io / reflect - metadata / #ordinaryhasmetadata
pl_tokens: function OrdinaryHasMetadata ( MetadataKey , O , P ) { var hasOwn = OrdinaryHasOwnMetadata ( MetadataKey , O , P ) ; if ( hasOwn ) return true ; var <mask> = OrdinaryGetPrototypeOf ( O ) ; if ( ! IsNull ( parent ) ) return OrdinaryHasMetadata ( MetadataKey , parent , P ) ; return false ; }