| var $ = require('../internals/export'); |
| // TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env` |
| var Set = require('../modules/es.set'); |
| var ReflectMetadataModule = require('../internals/reflect-metadata'); |
| var anObject = require('../internals/an-object'); |
| var getPrototypeOf = require('../internals/object-get-prototype-of'); |
| var iterate = require('../internals/iterate'); |
| |
| var ordinaryOwnMetadataKeys = ReflectMetadataModule.keys; |
| var toMetadataKey = ReflectMetadataModule.toKey; |
| |
| var from = function (iter) { |
| var result = []; |
| iterate(iter, result.push, result); |
| return result; |
| }; |
| |
| var ordinaryMetadataKeys = function (O, P) { |
| var oKeys = ordinaryOwnMetadataKeys(O, P); |
| var parent = getPrototypeOf(O); |
| if (parent === null) return oKeys; |
| var pKeys = ordinaryMetadataKeys(parent, P); |
| return pKeys.length ? oKeys.length ? from(new Set(oKeys.concat(pKeys))) : pKeys : oKeys; |
| }; |
| |
| // `Reflect.getMetadataKeys` method |
| // https://github.com/rbuckton/reflect-metadata |
| $({ target: 'Reflect', stat: true }, { |
| getMetadataKeys: function getMetadataKeys(target /* , targetKey */) { |
| var targetKey = arguments.length < 2 ? undefined : toMetadataKey(arguments[1]); |
| return ordinaryMetadataKeys(anObject(target), targetKey); |
| } |
| }); |