wkr-util/cjs/unhandled-handlers.js

Utility library for wkr project.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.attachLoggingOnUnhandledRejection = exports.attachLoggingOnUncaughtException = exports.fallbackOnUnhandledRejection = exports.fallbackOnUncaughtException = void 0;

var _log = require("./log");

/*
 * Some useful functions for handling unhandledRejection and uncaughtException
 */
// a simple handler to use if no other is available
const fallbackOnUncaughtException = err => {
  console.error('Uncaught exception. Exiting. Got error: ', err);
  process.exit(11);
}; // a simple handler to use if no other is available


exports.fallbackOnUncaughtException = fallbackOnUncaughtException;

const fallbackOnUnhandledRejection = err => {
  console.error('Unhandled promise rejection. Exiting. Got error: ', err);
  process.exit(22);
};

exports.fallbackOnUnhandledRejection = fallbackOnUnhandledRejection;

const attachLoggingOnUncaughtException = logRepo => {
  // need to remove the fallback handler or else it will exit before our better handler is called
  process.off('uncaughtException', fallbackOnUncaughtException);
  process.on('uncaughtException', async err => {
    await logRepo.add('unhandled-exception', _log.logLevels.FATAL, 'Got an unhandled exception.', {}, undefined, err);
    console.error('Unhandled exception. Exiting. Got error:', err);
    process.exit(11);
  });
};

exports.attachLoggingOnUncaughtException = attachLoggingOnUncaughtException;

const attachLoggingOnUnhandledRejection = logRepo => {
  // need to remove the fallback handler or else it will exit before our better handler is called
  process.off('unhandledRejection', fallbackOnUnhandledRejection);
  process.on('unhandledRejection', async err => {
    await logRepo.add('unhandled-promise-rejection', _log.logLevels.FATAL, 'Got an unhandled promise rejection.', {}, undefined, err);
    console.error('Unhandled promise rejection. Exiting. Got error:', err);
    process.exit(22);
  });
};

exports.attachLoggingOnUnhandledRejection = attachLoggingOnUnhandledRejection;