error on import of 3rd party module

register_require_builtin_only.js

const mod = require('module');
const os = require('os');

const colors = {
  red: '\033[0;31m',
  none: '\033[0m',
};

const logErr = (msg) => process.stderr.write(`${colors.red}ERROR: ${msg}${os.EOL}${colors.none}`);

mod.prototype.require = new Proxy(mod.prototype.require, {
  apply(target, self, args){
    const [name] = args;
    if (!mod.builtinModules.includes(name)){
      logErr(
          'cannot require a third-party module from inside this script. ' +
              'it is run before `yarn install` so can only depend on builtin modules',
      );
      process.exit(1);
    }

    return Reflect.apply(target, self, args);
  }
});