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- 'use strict';
- // TODO: Remove from `core-js@4`
- 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 ordinaryGetOwnMetadata = ReflectMetadataModule.get;
- var toMetadataKey = ReflectMetadataModule.toKey;
-
- var ordinaryGetMetadata = function (MetadataKey, O, P) {
- var hasOwn = ordinaryHasOwnMetadata(MetadataKey, O, P);
- if (hasOwn) return ordinaryGetOwnMetadata(MetadataKey, O, P);
- var parent = getPrototypeOf(O);
- return parent !== null ? ordinaryGetMetadata(MetadataKey, parent, P) : undefined;
- };
-
- // `Reflect.getMetadata` method
- // https://github.com/rbuckton/reflect-metadata
- $({ target: 'Reflect', stat: true }, {
- getMetadata: function getMetadata(metadataKey, target /* , targetKey */) {
- var targetKey = arguments.length < 3 ? undefined : toMetadataKey(arguments[2]);
- return ordinaryGetMetadata(metadataKey, anObject(target), targetKey);
- }
- });
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