2af7a33c4e
* Revert "Move subclass inheritance to end (#7772)" This reverts commit f8ab9466d331871a90f458af40b14e8d831e0c29. * Only use getPrototypeOf if setPrototypeOf is implemented * Update fixtures * Helpers updates * Update fixtures * Fall back to getPrototypeOf * Update fixtures
23 lines
1.0 KiB
JavaScript
23 lines
1.0 KiB
JavaScript
"use strict";
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var _obj;
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function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
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function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
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function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
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const Base = {};
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const obj = _obj = {
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test: 2,
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get() {
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return _get(_getPrototypeOf(_obj), "test", this);
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}
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};
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Object.setPrototypeOf(obj, Base);
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expect(obj.test).toBe(2);
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expect(obj.get()).toBeUndefined();
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