--- /dev/null
+var $ = require('../internals/export');
+var ReflectMetadataModule = require('../internals/reflect-metadata');
+var anObject = require('../internals/an-object');
+var getPrototypeOf = require('../internals/object-get-prototype-of');
+
+var ordinaryHasOwnMetadata = ReflectMetadataModule.has;
+var toMetadataKey = ReflectMetadataModule.toKey;
+
+var ordinaryHasMetadata = function (MetadataKey, O, P) {
+ var hasOwn = ordinaryHasOwnMetadata(MetadataKey, O, P);
+ if (hasOwn) return true;
+ var parent = getPrototypeOf(O);
+ return parent !== null ? ordinaryHasMetadata(MetadataKey, parent, P) : false;
+};
+
+// `Reflect.hasMetadata` method
+// https://github.com/rbuckton/reflect-metadata
+$({ target: 'Reflect', stat: true }, {
+ hasMetadata: function hasMetadata(metadataKey, target /* , targetKey */) {
+ var targetKey = arguments.length < 3 ? undefined : toMetadataKey(arguments[2]);
+ return ordinaryHasMetadata(metadataKey, anObject(target), targetKey);
+ }
+});