@aimee-blue/ab-service-kit/lib/start.js

Aimee Blue Service Template

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.start = start;

var _startCore = require("./startCore");

var _initializeLogger = require("./setup/initializeLogger");

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function start(config) {
  (0, _initializeLogger.initializeLoggerOrFallback)(config).then(logger => {
    startWithLoggerAndConfig(config, logger);
  }).catch(() => {
    // logger initialization cannot throw
    // this handler here is to supress warning
    return;
  });
}

let shutdownRequests = 0;

function startWithLoggerAndConfig(config, logger) {
  function handleError(exc) {
    logger.error('💥  ', exc);
    process.exit(1);
  }

  function finish() {
    process.exitCode = 0;
  }

  async function run() {
    process.setUncaughtExceptionCaptureCallback(handleError);
    process.on('SIGINT', () => {
      logger.log('\nShutting down due to SIGINT...\n');
      shutdown().then(finish).catch(handleError);
      shutdownRequests += 1;

      if (shutdownRequests > 1) {
        Promise.resolve().then(() => _interopRequireWildcard(require('wtfnode'))).then(mod => {
          console.log('== Open Handles ==');
          mod.dump();
          console.log(' ');
        }).catch(err => {
          console.log(err);
        });
      }

      if (shutdownRequests > 5) {
        process.exit(1);
      }
    });
    process.on('SIGTERM', () => {
      logger.log('\nShutting down due to SIGTERM...\n');
      shutdown().then(finish).catch(handleError);
    });
    const teardown = await (0, _startCore.startCore)(config, undefined, logger);
    let isShuttingDown = false;

    const shutdown = async () => {
      if (isShuttingDown) {
        return;
      }

      isShuttingDown = true;
      await teardown();
    };
  }

  run().catch(handleError);
}
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