From 21303cecb5798405d63957608d89bc7113464459 Mon Sep 17 00:00:00 2001
From: Ben Gotow <bengotow@gmail.com>
Date: Tue, 17 May 2016 18:37:20 -0700
Subject: [PATCH] fix(nylas-exports): Avoid repeatedly calling require inside
 lazyLoad

---
 src/global/nylas-exports.coffee | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/global/nylas-exports.coffee b/src/global/nylas-exports.coffee
index cc47b7e34..ed25c6979 100644
--- a/src/global/nylas-exports.coffee
+++ b/src/global/nylas-exports.coffee
@@ -2,6 +2,11 @@ TaskRegistry = require('../task-registry').default
 StoreRegistry = require('../store-registry').default
 DatabaseObjectRegistry = require('../database-object-registry').default
 
+# Calling require() repeatedly isn't free! Even though it has it's own cache,
+# it still needs to resolve the path to a file based on the current __dirname,
+# match it against it's cache, etc. We can shortcut all this work.
+RequireCache = {}
+
 class NylasExports
 
   @default = (requireValue) -> requireValue.default ? requireValue
@@ -10,7 +15,9 @@ class NylasExports
   @lazyLoad = (prop, path) ->
     Object.defineProperty @, prop,
       get: ->
-        NylasExports.default(require("../#{path}"))
+        key = "#{prop}#{path}"
+        RequireCache[key] = RequireCache[key] || NylasExports.default(require("../#{path}"))
+        return RequireCache[key]
       enumerable: true
 
   @lazyLoadCustomGetter = (prop, get) ->