build-logger: log only errors in quiet mode

lib/build-logger.js

@@ -5,15 +5,16 @@ import EventEmitter from 'events';
 
 export default class Logger extends EventEmitter {
 
-  constructor (host) {
+  constructor (host, { debug = false, quiet = false } = {}) {
     super();
     this.host = host;
+    this.quiet = quiet;
 
     // readyState
     this.building = false;
 
     this.socket = io(`https://io.now.sh?host=${host}`);
-    this.socket.once('error', this.onError.bind(this));
+    this.socket.once('error', this.onSocketError.bind(this));
     this.socket.on('state', this.onState.bind(this));
     this.socket.on('logs', this.onLog.bind(this));
     this.socket.on('backend', this.onComplete.bind(this));
@@ -25,6 +26,13 @@ export default class Logger extends EventEmitter {
     if (!state.id) {
       console.error('> Deployment not found');
       this.emit('error');
+      return;
+    }
+
+    if (state.error) {
+      console.error('> Deployment error');
+      this.emit('error');
+      return;
     }
 
     if (state.backend) {
@@ -43,6 +51,8 @@ export default class Logger extends EventEmitter {
       this.building = true;
     }
 
+    if (this.quiet) return;
+
     if ('command' === log.type) {
       console.log(`${chalk.gray('>')} ▲ ${log.data}`);
       this.lines.reset();
@@ -72,7 +82,9 @@ export default class Logger extends EventEmitter {
     this.emit('close');
   }
 
-  onError () {
+  onSocketError () {
+    this.removeAllListeners();
+    console.error('> Connection error');
     this.emit('error');
   }