workers: refactor.

lib/bcoin/workers.js

@@ -306,9 +306,6 @@ Workers.prototype.scrypt = function scrypt(passwd, salt, N, r, p, len, callback)
  */
 
 function Worker(id) {
-  var self = this;
-  var penv, cp;
-
   if (!(this instanceof Worker))
     return new Worker();
 
@@ -319,6 +316,19 @@ function Worker(id) {
   this.setMaxListeners(utils.MAX_SAFE_INTEGER);
   this.uid = 0;
   this.id = id != null ? id : -1;
+  this.child = null;
+
+  this._init();
+}
+
+/**
+ * Initialize worker. Bind to events.
+ * @private
+ */
+
+Worker.prototype._init = function _init() {
+  var self = this;
+  var penv, cp;
 
   penv = {
     BCOIN_WORKER_NETWORK: bcoin.network.get().type
@@ -393,15 +403,15 @@ function Worker(id) {
     self.emit('packet', packet);
   });
 
-  this._init();
+  this._bind();
 }
 
 /**
- * Initialize worker.
+ * Initialize worker. Bind to more events.
  * @private
  */
 
-Worker.prototype._init = function _init() {
+Worker.prototype._bind = function _bind() {
   var self = this;
 
   this.on('worker error', function(err) {
@@ -569,8 +579,6 @@ utils.inherits(Worker, EventEmitter);
  */
 
 function Master(options) {
-  var self = this;
-
   if (!(this instanceof Master))
     return new Master();
 
@@ -580,6 +588,19 @@ function Master(options) {
   this.parser = new Parser();
   this.options = options || {};
 
+  this._init();
+}
+
+utils.inherits(Master, EventEmitter);
+
+/**
+ * Initialize master. Bind events.
+ * @private
+ */
+
+Master.prototype._init = function _init() {
+  var self = this;
+
   if (utils.isBrowser) {
     global.onerror = function onerror(err) {
       self.emit('error', err);
@@ -615,9 +636,7 @@ function Master(options) {
   this.parser.on('packet', function(packet) {
     self.emit('packet', packet);
   });
-}
+};
-
-utils.inherits(Master, EventEmitter);
 
 /**
  * Send data to worker.