list all changeable built-in names

listChangeableBuiltinNames.js

const changeableBuiltInNames = [];
getChangeableBuiltInNamesRecursively(globalThis, "globalThis");

function getChangeableBuiltInNamesRecursively(obj, accessors) {
  if (
    obj === undefined ||
    obj === null ||
    obj instanceof String ||
    obj.__proto__ === String.prototype ||
    (accessors !== "globalThis" && obj === globalThis)
  ) {
    return;
  }

  const keys = Reflect.ownKeys(Object.getOwnPropertyDescriptors(obj));
  for (let i = 0; i < keys.length; i++) {
    const descName = keys[i];

    // Skip to avoid infinite loop.
    if (
      isGettingConstructorOfPrototype(accessors, descName) ||
      isGettingNameOrLengthOfFunction(obj, descName)
    ) {
      continue;
    }

    const desc = Object.getOwnPropertyDescriptor(obj, descName);
    console.log(`${accessors}.${descName.toString()}`);

    if (!desc || (!desc.value && !desc.get)) {
      continue;
    }

    // If the property is either configurable or writable,
    // add it to changeableBuiltInNames
    if (desc.configurable || desc.writable) {
      changeableBuiltInNames.push(`${accessors}.${descName.toString()}`);
      console.log(`${accessors}.${descName.toString()} pushed`);
    }

    if (descName.toString().startsWith("Symbol(")) {
      continue;
    }

    getChangeableBuiltInNamesRecursively(
      desc.value,
      `${accessors}.${descName.toString()}`
    );
  }
};

function isGettingConstructorOfPrototype(accessors, descName) {
  return (
    accessors.split(".").at(-1) === "prototype" && descName === "constructor"
  );
};

function isGettingNameOrLengthOfFunction(obj, descName) {
  return (
    obj instanceof Function && (descName === "name" || descName === "length")
  );
};

//// Node: output the result to result.txt
// const fs = require("fs");
// const path = require("path");
// fs.writeFileSync(
//   path.join(__dirname, "result.txt"),
//   changeableBuiltInNames.join("\n")
// );

//// Browser: output the result to console
// console.log(changeableBuiltInNames.join("\n"));