From e514ce57b5dfba541564828ef6373c0912a9f7cd Mon Sep 17 00:00:00 2001
From: Alexander Moisseev <moiseev@mezonplus.ru>
Date: Sun, 8 Jul 2018 10:47:56 +0300
Subject: [PATCH] [WebUI] Avoid using "undefined" property

of the global object
---
 .eslintrc.json              |  1 -
 interface/js/app/graph.js   |  2 +-
 interface/js/app/history.js |  6 +++---
 interface/js/app/rspamd.js  | 12 ++++++------
 4 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/.eslintrc.json b/.eslintrc.json
index c5f2bc59c..71e2b443d 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -78,7 +78,6 @@
         "no-redeclare": "off",
         "no-shadow": "off",
         "no-undef": "off",
-        "no-undefined": "off",
         "no-underscore-dangle": "off",
         "no-use-before-define": "off",
         "one-var-declaration-per-line": "off",
diff --git a/interface/js/app/graph.js b/interface/js/app/graph.js
index de90c4a73..c5fba91b1 100644
--- a/interface/js/app/graph.js
+++ b/interface/js/app/graph.js
@@ -205,7 +205,7 @@ define(["jquery", "d3evolution", "footable"],
                 drawRrdTable(rrd_summary, unit);
             }
 
-            if (graphs.graph === undefined) {
+            if (!graphs.graph) {
                 graphs.graph = initGraph();
             }
 
diff --git a/interface/js/app/history.js b/interface/js/app/history.js
index e89108185..7677550bd 100644
--- a/interface/js/app/history.js
+++ b/interface/js/app/history.js
@@ -612,7 +612,7 @@ define(["jquery", "footable", "humanize"],
                         });
                     } else if (ft.history) {
                         ft.history.destroy();
-                        ft.history = undefined;
+                        delete ft.history;
                     }
                 });
             }
@@ -676,11 +676,11 @@ define(["jquery", "footable", "humanize"],
                 }
                 if (ft.history) {
                     ft.history.destroy();
-                    ft.history = undefined;
+                    delete ft.history;
                 }
                 if (ft.errors) {
                     ft.errors.destroy();
-                    ft.errors = undefined;
+                    delete ft.errors;
                 }
                 if (checked_server === "All SERVERS") {
                     rspamd.queryNeighbours("errors", function () {
diff --git a/interface/js/app/rspamd.js b/interface/js/app/rspamd.js
index c60c5889d..9b29ffd6d 100644
--- a/interface/js/app/rspamd.js
+++ b/interface/js/app/rspamd.js
@@ -47,27 +47,27 @@ function ($, d3pie, visibility, tab_stat, tab_graph, tab_config,
     function disconnect() {
         if (graphs.chart) {
             graphs.chart.destroy();
-            graphs.chart = undefined;
+            delete graphs.chart;
         }
         if (graphs.rrd_pie) {
             graphs.rrd_pie.destroy();
-            graphs.rrd_pie = undefined;
+            delete graphs.rrd_pie;
         }
         if (graphs.graph) {
             graphs.graph.destroy();
-            graphs.graph = undefined;
+            delete graphs.graph;
         }
         if (tables.history) {
             tables.history.destroy();
-            tables.history = undefined;
+            delete tables.history;
         }
         if (tables.errors) {
             tables.errors.destroy();
-            tables.errors = undefined;
+            delete tables.errors;
         }
         if (tables.symbols) {
             tables.symbols.destroy();
-            tables.symbols = undefined;
+            delete tables.symbols;
         }
 
         stopTimers();
-- 
2.39.5