1 var $ = require('../internals/export');
2 var ReflectMetadataModule = require('../internals/reflect-metadata');
3 var anObject = require('../internals/an-object');
5 var toMetadataKey = ReflectMetadataModule.toKey;
6 var ordinaryDefineOwnMetadata = ReflectMetadataModule.set;
8 // `Reflect.defineMetadata` method
9 // https://github.com/rbuckton/reflect-metadata
10 $({ target: 'Reflect', stat: true }, {
11 defineMetadata: function defineMetadata(metadataKey, metadataValue, target /* , targetKey */) {
12 var targetKey = arguments.length < 4 ? undefined : toMetadataKey(arguments[3]);
13 ordinaryDefineOwnMetadata(metadataKey, metadataValue, anObject(target), targetKey);