var $ = require('../internals/export'); var ReflectMetadataModule = require('../internals/reflect-metadata'); var anObject = require('../internals/an-object'); var ordinaryHasOwnMetadata = ReflectMetadataModule.has; var toMetadataKey = ReflectMetadataModule.toKey; // `Reflect.hasOwnMetadata` method // https://github.com/rbuckton/reflect-metadata $({ target: 'Reflect', stat: true }, { hasOwnMetadata: function hasOwnMetadata(metadataKey, target /* , targetKey */) { var targetKey = arguments.length < 3 ? undefined : toMetadataKey(arguments[2]); return ordinaryHasOwnMetadata(metadataKey, anObject(target), targetKey); } });