Make unhandledRejection listener optional via .install param

Author: LewisJEllis

lib/client.js

@@ -69,8 +69,15 @@ extend(Raven.prototype, {
     return this;
   },
 
-  install: function install(cb) {
-    registerGlobalHandlers(this, cb);
+  install: function install(opts, cb) {
+    if (typeof opts === 'function') {
+      cb = opts;
+    }
+
+    registerExceptionHandler(this, cb);
+    if (opts && opts.unhandledRejection) {
+      registerRejectionHandler(this, cb);
+    }
     return this;
   },
 
@@ -368,7 +375,8 @@ extend(Raven.prototype, {
   },
   patchGlobal: function (cb) {
     utils.consoleAlert('patchGlobal has been deprecated and will be removed in v2.0');
-    return this.install(cb);
+    registerExceptionHandler(this, cb);
+    return this;
   }
 });
 Raven.prototype.get_ident = Raven.prototype.getIdent;
@@ -390,7 +398,7 @@ defaultInstance.disableConsoleAlerts = utils.disableConsoleAlerts;
 
 module.exports = defaultInstance;
 
-function registerGlobalHandlers(client, cb) {
+function registerExceptionHandler(client, cb) {
   var called = false;
   process.on('uncaughtException', function (err) {
     if (cb) { // bind event listeners only if a callback was supplied
@@ -419,7 +427,9 @@ function registerGlobalHandlers(client, cb) {
     var eventId = client.captureException(err);
     return utils.consoleAlert('uncaughtException: ' + eventId);
   });
+}
 
+function registerRejectionHandler(client, cb) {
   process.on('unhandledRejection', function (reason) {
     var eventId = client.captureException(reason, function (sendErr) {
       cb && cb(!sendErr, reason);
@@ -440,5 +450,5 @@ function patchGlobal(client, cb) {
   // at the end, if we still don't have a Client, let's make one!
   !(client instanceof Raven) && (client = new Client());
 
-  registerGlobalHandlers(client, cb);
+  registerExceptionHandler(client, cb);
 }