1 | var getPrototypeOf = require("./getPrototypeOf");
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2 |
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3 | var setPrototypeOf = require("./setPrototypeOf");
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4 |
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5 | var isNativeFunction = require("./isNativeFunction");
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6 |
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7 | var construct = require("./construct");
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8 |
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9 | function _wrapNativeSuper(Class) {
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10 | var _cache = typeof Map === "function" ? new Map() : undefined;
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11 |
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12 | module.exports = _wrapNativeSuper = function _wrapNativeSuper(Class) {
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13 | if (Class === null || !isNativeFunction(Class)) return Class;
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14 |
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15 | if (typeof Class !== "function") {
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16 | throw new TypeError("Super expression must either be null or a function");
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17 | }
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18 |
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19 | if (typeof _cache !== "undefined") {
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20 | if (_cache.has(Class)) return _cache.get(Class);
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21 |
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22 | _cache.set(Class, Wrapper);
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23 | }
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24 |
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25 | function Wrapper() {
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26 | return construct(Class, arguments, getPrototypeOf(this).constructor);
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27 | }
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28 |
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29 | Wrapper.prototype = Object.create(Class.prototype, {
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30 | constructor: {
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31 | value: Wrapper,
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32 | enumerable: false,
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33 | writable: true,
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34 | configurable: true
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35 | }
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36 | });
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37 | return setPrototypeOf(Wrapper, Class);
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38 | };
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39 |
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40 | return _wrapNativeSuper(Class);
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41 | }
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42 |
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43 | module.exports = _wrapNativeSuper; |
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