core-js/modules/esnext.reflect.has-own-metadata.js

Standard library

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
require('../internals/export')({ 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);
  }
});