From 488a22733b10ecb22ba28283b4f8304f052faef1 Mon Sep 17 00:00:00 2001
From: Sergii <sergiy.stotskiy@gmail.com>
Date: Sun, 14 Oct 2018 15:25:57 +0300
Subject: [PATCH] fix(mongoose): sets the correct `this` for deprecated methods

Fixes #116
---
 packages/casl-mongoose/src/accessible_fields.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/casl-mongoose/src/accessible_fields.js b/packages/casl-mongoose/src/accessible_fields.js
index b383720ff..9ef24a880 100644
--- a/packages/casl-mongoose/src/accessible_fields.js
+++ b/packages/casl-mongoose/src/accessible_fields.js
@@ -5,12 +5,12 @@ function wrapArray(value) {
 }
 
 function deprecate(name, { by: replacementName, fn }) {
-  return (...args) => {
+  return function wrapDeprecated(...args) {
     if (process.env.NODE_ENV !== 'production') {
       console.warn(`"${name}" is deprecated, use "${replacementName}"`);
     }
 
-    return fn(...args);
+    return fn.apply(this, args);
   };
 }