From a6524f70a824193ac01afa383eb12b6a1b4ce6ba Mon Sep 17 00:00:00 2001
From: Vincent Langlet <VincentLanglet@users.noreply.github.com>
Date: Wed, 13 Feb 2019 10:20:05 +0100
Subject: [PATCH] Improve check

---
 src/SnackbarProvider.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/SnackbarProvider.js b/src/SnackbarProvider.js
index 8b3b1da3..1c7cf453 100644
--- a/src/SnackbarProvider.js
+++ b/src/SnackbarProvider.js
@@ -56,8 +56,8 @@ class SnackbarProvider extends Component {
      */
     handleEnqueueSnackbar = (message, { key, preventDuplicate, ...options } = {}) => {
         const shouldPreventDuplicate = preventDuplicate || this.props.preventDuplicate;
-        const isInQueue = this.queue.filter(item => item.message === message).length > 0;
-        const isDisplayed = this.state.snacks.filter(item => item.message === message).length > 0;
+        const isInQueue = !!this.queue.find(item => item.message === message);
+        const isDisplayed = !!this.state.snacks.find(item => item.message === message);
         if (shouldPreventDuplicate && (isInQueue || isDisplayed)) {
             return null;
         }