From afa9f362f487f327916d5f390408cd1bbf42b554 Mon Sep 17 00:00:00 2001
From: Dominique Quatravaux <dominique.quatravaux@epfl.ch>
Date: Thu, 7 Nov 2019 16:15:27 +0100
Subject: [PATCH] ObservableCursor: _.clone collection lists before passing
 them to callbacks

Fixes #244
---
 src/ObservableCursor.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/ObservableCursor.ts b/src/ObservableCursor.ts
index e47518bd..afbc5c4a 100644
--- a/src/ObservableCursor.ts
+++ b/src/ObservableCursor.ts
@@ -41,10 +41,10 @@ export class ObservableCursor<T> extends Observable<T[]> {
 
       Meteor.setTimeout(() => {
         if (this._isDataInitinialized) {
-          observer.next(this._data);
+          observer.next(_.clone(this._data));
         } else if (cursor.count() === 0) {
           this._isDataInitinialized = true;
-          observer.next(this._data);
+          observer.next(_.clone(this._data));
         }
       }, 0);
 
@@ -144,7 +144,7 @@ export class ObservableCursor<T> extends Observable<T[]> {
     this._countObserver.next(this._data.length);
 
     this._observers.forEach(observer => {
-      observer.next(data);
+      observer.next(_.clone(data));
     });
   }
 
@@ -173,7 +173,7 @@ export class ObservableCursor<T> extends Observable<T[]> {
     this._isDataInitinialized = true;
 
     this._zone.run(() => {
-      this._runNext(this._data);
+        this._runNext(this._data);
     });
   }