metallic-launcher/lib/launcher-unhandled-rejection-listener-mixin.js

Service launcher for metallic

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
class LauncherUnhandledRejectionListenerMixin {
  static mix(superclass) {
    return class extends superclass {
      constructor({ unhandledRejectionListeners }) {
        super(...arguments);
        this.unhandledRejectionListeners = unhandledRejectionListeners;
      }

      async run() {
        this.unhandledRejectionListeners.listen((reason, promise) => {
          promise.catch(err => {
            if (this.logger) {
              this.logger.error('Unhandled promise rejection:', err);
            }
            this.exit(1);
          });
        });
        const httpServer = await super.run();
        return httpServer;
      }

      async close() {
        this.unhandledRejectionListeners.remove();
        await super.close();
      }

      async exit(failure = 0) {
        this.unhandledRejectionListeners.remove();
        await super.exit(failure);
      }
    };
  }
}
exports.default = LauncherUnhandledRejectionListenerMixin;
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