Use ReadOnly globals

.jshintrc

@@ -81,62 +81,61 @@
 
 	// Custom Globals
 	"globals"       : {
-		"_"                           : true,
-		"__meteor_runtime_config__"   : true,
-		"AccountBox"                  : true,
-		"Accounts"                    : true,
-		"AgentUsers"                  : true,
-		"Assets"                      : true,
-		"Blaze"                       : true,
-		"BlazeLayout"                 : true,
-		"ChatMessage"                 : true,
-		"ChatMessages"                : true,
-		"ChatRoom"                    : true,
-		"ChatSubscription"            : true,
-		"check"                       : true,
-		"crypto"                      : true,
-		"Department"                  : true,
-		"EJSON"                       : true,
-		"Email"                       : true,
-		"FlowRouter"                  : true,
-		"getNextAgent"                : true,
-		"LivechatDepartment"          : true,
-		"LivechatDepartmentAgents"    : true,
+		"_"                           : false,
+		"__meteor_runtime_config__"   : false,
+		"AccountBox"                  : false,
+		"Accounts"                    : false,
+		"AgentUsers"                  : false,
+		"Assets"                      : false,
+		"Blaze"                       : false,
+		"BlazeLayout"                 : false,
+		"ChatMessage"                 : false,
+		"ChatMessages"                : false,
+		"ChatRoom"                    : false,
+		"ChatSubscription"            : false,
+		"check"                       : false,
+		"Department"                  : false,
+		"EJSON"                       : false,
+		"Email"                       : false,
+		"FlowRouter"                  : false,
+		"getNextAgent"                : false,
+		"LivechatDepartment"          : false,
+		"LivechatDepartmentAgents"    : false,
 		"livechatManagerRoutes"       : true,
-		"LivechatPageVisited"         : true,
-		"LivechatTrigger"             : true,
-		"Logger"                      : true,
-		"Match"                       : true,
-		"Meteor"                      : true,
-		"moment"                      : true,
-		"Mongo"                       : true,
-		"Npm"                         : true,
-		"Package"                     : true,
-		"parentCall"                  : true,
-		"Promise"                     : true,      // Avoid "redefinition of Promise" warning
-		"Random"                      : true,
-		"ReactiveVar"                 : true,
+		"LivechatPageVisited"         : false,
+		"LivechatTrigger"             : false,
+		"Logger"                      : false,
+		"Match"                       : false,
+		"Meteor"                      : false,
+		"moment"                      : false,
+		"Mongo"                       : false,
+		"Npm"                         : false,
+		"Package"                     : false,
+		"parentCall"                  : false,
+		"Promise"                     : false,      // Avoid "redefinition of Promise" warning
+		"Random"                      : false,
+		"ReactiveVar"                 : false,
 		"RocketChat"                  : true,
-		"RocketChatFile"              : true,
-		"RocketChatFileAvatarInstance": true,
-		"RoomHistoryManager"          : true,
-		"s"                           : true,
-		"ServiceConfiguration"        : true,
-		"Session"                     : true,
-		"Settings"                    : true,
-		"SHA256"                      : true,
-		"SideNav"                     : true,
-		"swal"                        : true,
-		"t"                           : true,
-		"TAPi18n"                     : true,
-		"Template"                    : true,
-		"TimeSync"                    : true,
-		"toastr"                      : true,
-		"Tracker"                     : true,
-		"Trigger"                     : true,
-		"Triggers"                    : true,
-		"UAParser"                    : true,
-		"visitor"                     : true,
-		"WebApp"                      : true
+		"RocketChatFile"              : false,
+		"RocketChatFileAvatarInstance": false,
+		"RoomHistoryManager"          : false,
+		"s"                           : false,
+		"ServiceConfiguration"        : false,
+		"Session"                     : false,
+		"Settings"                    : false,
+		"SHA256"                      : false,
+		"SideNav"                     : false,
+		"swal"                        : false,
+		"t"                           : false,
+		"TAPi18n"                     : false,
+		"Template"                    : false,
+		"TimeSync"                    : false,
+		"toastr"                      : false,
+		"Tracker"                     : false,
+		"Trigger"                     : false,
+		"Triggers"                    : false,
+		"UAParser"                    : false,
+		"visitor"                     : false,
+		"WebApp"                      : false
 	}
 }

packages/rocketchat-livechat/livechat.js

+/* globals WebApp:true */
+
 WebApp = Package.webapp.WebApp;
 const Autoupdate = Package.autoupdate.Autoupdate;
 

packages/rocketchat-otr/client/rocketchat.otr.room.js

+/* globals crypto */
+
 RocketChat.OTR.Room = class {
 	constructor(userId, roomId) {
 		this.userId = userId;