if (typeof window !== "undefined") {
  if(! window.error_handler_installed) {
    window.error_handler_logs = [];

    const handler = ((old) => ({
      get: (_, name) => {
        function passf() {
          old[name].apply(null, arguments);
        }

        function logf() {
          window.error_handler_logs.push({
            type: name,
            ts: +new Date,
            arguments,
          });
          passf.apply(null, arguments);
        }

        switch (name) {
          case 'log':
          case 'debug':
          case 'info':
          case 'warn':
          case 'error':
            return logf;
          default:
            return passf;
        }
      }
    }))(window.console);
    window.console = new Proxy({}, handler);

    window.addEventListener("error", (e) => {
      console.error(`Error occurred: ${e.error.message} ${e.error.stack}`);
      return false;
    });

    window.addEventListener("unhandledrejection", (e) => {
      console.error(`Unhandled rejection: ${e.message}`);
      return false;
    });

    window.error_handler_installed = true;
  }
}