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21 lines
651 B
21 lines
651 B
/*
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* Object.prototype.__lookupSetter__ polyfill
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*/
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(function () {
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if (typeof Object.prototype.__lookupSetter__ === 'undefined') {
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var DP = Object.defineProperty;
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var GPO = Object.getPrototypeOf;
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var GOPD = Object.getOwnPropertyDescriptor;
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DP(Object.prototype, '__lookupSetter__', {
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value: function (n, f) {
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for (var o = this; o; o = GPO(o)) {
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var p = GOPD(o, n);
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if (p) {
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return p.set;
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}
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}
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}, writable: true, enumerable: false, configurable: true
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});
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}
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})();
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