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node_modules/@babel/runtime/helpers/wrapNativeSuper.js 1.1 KB
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  var getPrototypeOf = require("./getPrototypeOf");
  
  var setPrototypeOf = require("./setPrototypeOf");
  
  var isNativeFunction = require("./isNativeFunction");
  
  var construct = require("./construct");
  
  function _wrapNativeSuper(Class) {
    var _cache = typeof Map === "function" ? new Map() : undefined;
  
    module.exports = _wrapNativeSuper = function _wrapNativeSuper(Class) {
      if (Class === null || !isNativeFunction(Class)) return Class;
  
      if (typeof Class !== "function") {
        throw new TypeError("Super expression must either be null or a function");
      }
  
      if (typeof _cache !== "undefined") {
        if (_cache.has(Class)) return _cache.get(Class);
  
        _cache.set(Class, Wrapper);
      }
  
      function Wrapper() {
        return construct(Class, arguments, getPrototypeOf(this).constructor);
      }
  
      Wrapper.prototype = Object.create(Class.prototype, {
        constructor: {
          value: Wrapper,
          enumerable: false,
          writable: true,
          configurable: true
        }
      });
      return setPrototypeOf(Wrapper, Class);
    };
  
    return _wrapNativeSuper(Class);
  }
  
  module.exports = _wrapNativeSuper;