text: "use strict";
  
  const conversions = require("webidl-conversions");
  const utils = require("./utils.js");
  
  exports._convertInherit = (globalObject, obj, ret, { context = "The provided value" } = {}) => {
    {
      const key = "extends";
      let value = obj === undefined || obj === null ? undefined : obj[key];
      if (value !== undefined) {
        value = conversions["DOMString"](value, {
          context: context + " has member 'extends' that",
          globals: globalObject
        });
  
        ret[key] = value;
      }
    }
  };
  
  exports.convert = (globalObject, obj, { context = "The provided value" } = {}) => {
    if (obj !== undefined && typeof obj !== "object" && typeof obj !== "function") {
      throw new globalObject.TypeError(`${context} is not an object.`);
    }
  
    const ret = Object.create(null);
    exports._convertInherit(globalObject, obj, ret, { context });
    return ret;
  };
  