Add promise to Core#listen

Author: andersevenrud

src/core.js

@@ -157,7 +157,7 @@ class Core extends CoreBase {
 
  logger.success('Initialized!');
 
- this.listen();
+ await this.listen();
  }
 
  return true;
@@ -199,7 +199,7 @@ class Core extends CoreBase {
  /**
  * Opens HTTP server
  */
- listen() {
+ async listen() {
  const httpPort = this.config('port');
  const httpHost = this.config('bind');
  const wsPort = this.config('ws.port') || httpPort;
@@ -217,11 +217,18 @@ class Core extends CoreBase {
  logger.warn('Missing files in "dist/" directory. Did you forget to run "npm run build" ?');
  }
 
- this.httpServer.listen(httpPort, httpHost, () => {
- logger.success(`Using '${session}' sessions`);
- logger.success(`Serving '${dist}'`);
- logger.success(`WebSocket listening on ${proto('ws')}${host(wsPort)}`);
- logger.success(`Server listening on ${proto('http')}${host(httpPort)}`);
+ return new Promise((resolve, reject) => {
+ try {
+ this.httpServer.listen(httpPort, httpHost, () => {
+ logger.success(`Using '${session}' sessions`);
+ logger.success(`Serving '${dist}'`);
+ logger.success(`WebSocket listening on ${proto('ws')}${host(wsPort)}`);
+ logger.success(`Server listening on ${proto('http')}${host(httpPort)}`);
+ resolve();
+ });
+ } catch (e) {
+ reject(e);
+ }
  });
  }