Issue 6745 - Prefer strict equality operator

lib/filterListener.js

Index: lib/filterListener.js
===================================================================
--- a/lib/filterListener.js
+++ b/lib/filterListener.js
@@ -50,17 +50,17 @@
    * FilterStorage.saveToDisk() if it becomes 1 or more. Save is
    * executed delayed to prevent multiple subsequent calls. If the
    * parameter is 0 it forces saving filters if any changes were
    * recorded after the previous save.
    * @param {number} factor
    */
   setDirty(factor)
   {
-    if (factor == 0 && isDirty > 0)
+    if (factor === 0 && isDirty > 0)
       isDirty = 1;
     else
       isDirty += factor;
     if (isDirty >= 1)
     {
       isDirty = 0;
       FilterStorage.saveToDisk();
     }
@@ -69,17 +69,17 @@
 
 /**
  * Observer listening to history purge actions.
  * @class
  */
 let HistoryPurgeObserver = {
   observe(subject, topic, data)
   {
-    if (topic == "browser:purge-session-history" &&
+    if (topic === "browser:purge-session-history" &&
         Prefs.clearStatsOnHistoryPurge)
     {
       FilterStorage.resetHitCounts();
       FilterListener.setDirty(0); // Force saving to disk
 
       Prefs.recentReports = [];
     }
   },
@@ -210,17 +210,17 @@
   if (!len)
     return;
 
   let current = (Math.random() * len) | 0;
   let step;
   do
   {
     step = primes[(Math.random() * primes.length) | 0];
-  } while (len % step == 0);
+  } while (len % step === 0);
 
   for (let i = 0; i < len; i++, current = (current + step) % len)
     addFilter(filters[current]);
 }
 
 function onSubscriptionAdded(subscription)
 {
   FilterListener.setDirty(1);
@@ -238,17 +238,17 @@
 }
 
 function onSubscriptionDisabled(subscription, newValue)
 {
   FilterListener.setDirty(1);
 
   if (FilterStorage.knownSubscriptions.has(subscription.url))
   {
-    if (newValue == false)
+    if (newValue === false)
       addFilters(subscription.filters);
     else
       subscription.filters.forEach(removeFilter);
   }
 }
 
 function onSubscriptionUpdated(subscription)
 {
@@ -259,17 +259,17 @@
   {
     subscription.oldFilters.forEach(removeFilter);
     addFilters(subscription.filters);
   }
 }
 
 function onFilterHitCount(filter, newValue)
 {
-  if (newValue == 0)
+  if (newValue === 0)
     FilterListener.setDirty(0);
   else
     FilterListener.setDirty(0.002);
 }
 
 function onFilterLastHit()
 {
   FilterListener.setDirty(0.002);
@@ -290,17 +290,17 @@
   if (!filter.disabled)
     removeFilter(filter);
 }
 
 function onFilterDisabled(filter, newValue)
 {
   FilterListener.setDirty(1);
 
-  if (newValue == false)
+  if (newValue === false)
     addFilter(filter);
   else
     removeFilter(filter);
 }
 
 function onGenericChange()
 {
   FilterListener.setDirty(1);