From b477d1699280a21656c324e3298fc3c69cbfb5f6 Mon Sep 17 00:00:00 2001
From: Nikita Lutsenko <nlutsenko@me.com>
Date: Wed, 24 Feb 2016 00:05:03 -0800
Subject: [PATCH] Do not do any setup for beforeSave trigger if none is set for
 this className.

---
 src/RestWrite.js | 5 +++++
 src/triggers.js  | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/src/RestWrite.js b/src/RestWrite.js
index bc2b91ba..ff9ffa17 100644
--- a/src/RestWrite.js
+++ b/src/RestWrite.js
@@ -111,6 +111,11 @@ RestWrite.prototype.validateSchema = function() {
 // Runs any beforeSave triggers against this operation.
 // Any change leads to our data being mutated.
 RestWrite.prototype.runBeforeTrigger = function() {
+  // Avoid doing any setup for triggers if there is no 'beforeSave' trigger for this class.
+  if (!triggers.triggerExists(this.className, triggers.Types.beforeSave)) {
+    return Promise.resolve();
+  }
+
   // Cloud code gets a bit of extra data for its objects
   var extraData = {className: this.className};
   if (this.query && this.query.objectId) {
diff --git a/src/triggers.js b/src/triggers.js
index fadb03f0..8c9d068d 100644
--- a/src/triggers.js
+++ b/src/triggers.js
@@ -18,6 +18,10 @@ var getTrigger = function(className, triggerType) {
   return undefined;
 };
 
+function triggerExists(className: string, type: string): boolean {
+  return (getTrigger(className, type) != undefined);
+}
+
 var getRequestObject = function(triggerType, auth, parseObject, originalParseObject) {
   var request = {
     triggerName: triggerType,
@@ -96,5 +100,6 @@ module.exports = {
   getRequestObject: getRequestObject,
   inflate: inflate,
   maybeRunTrigger: maybeRunTrigger,
+  triggerExists: triggerExists,
   Types: Types
 };