[mv3] Report custom DNR rule count in troubleshooting information

As discussed internally.

The custom DNR rule count will be reported only when it's not zero,
and the count is only for effective DNR rules, i.e. it will not be
reported if "Developer mode" is not enabled.

platform/mv3/extension/js/background.js

@@ -53,6 +53,7 @@ import {
 import {
     enableRulesets,
     excludeFromStrictBlock,
+    getEffectiveUserRules,
     getEnabledRulesetsDetails,
     getRulesetDetails,
     patchDefaultRulesets,
@@ -400,6 +401,12 @@ function onMessage(request, sender, callback) {
         });
         break;
 
+    case 'getEffectiveUserRules':
+        getEffectiveUserRules().then(result => {
+            callback(result);
+        });
+        return true;
+
     case 'updateUserDnrRules':
         updateUserRules().then(result => {
             callback(result);

platform/mv3/extension/js/report.js

@@ -106,12 +106,14 @@ async function getConfigData() {
         platformInfo,
         rulesets,
         defaultMode,
+        userRules,
         registerContentScriptsReason,
         unregisterContentScriptsReason,
     ] = await Promise.all([
         runtime.getPlatformInfo(),
         dnr.getEnabledRulesets(),
         sendMessage({ what: 'getDefaultFilteringMode' }),
+        sendMessage({ what: 'getEffectiveUserRules' }),
         localRead('$scripting.registerContentScripts'),
         localRead('$scripting.unregisterContentScripts'),
     ]);
@@ -148,8 +150,11 @@ async function getConfigData() {
             'site': `${modes[reportedPage.mode]}`,
             'default': `${modes[defaultMode]}`,
         },
-        rulesets,
     };
+    if ( userRules.length !== 0 ) {
+        config['user rules'] = userRules.length;
+    }
+    config.rulesets = rulesets;
     if ( registerContentScriptsReason !== undefined ) {
         config.registerContentScripts = registerContentScriptsReason;
     }

platform/mv3/extension/js/ruleset-manager.js

@@ -669,7 +669,7 @@ async function getEnabledRulesetsDetails() {
 
 /******************************************************************************/
 
-async function getUserRules() {
+async function getEffectiveUserRules() {
     const allRules = await dnr.getDynamicRules();
     const userRules = [];
     for ( const rule of allRules ) {
@@ -684,7 +684,7 @@ async function updateUserRules() {
         userRules,
         userRulesText = '',
     ] = await Promise.all([
-        getUserRules(),
+        getEffectiveUserRules(),
         localRead('userDnrRules'),
     ]);
 
@@ -735,7 +735,7 @@ async function updateUserRules() {
         console.info(`updateUserRules() / ${reason}`);
         out.errors.push(`${reason}`);
     } finally {
-        const userRules = await getUserRules();
+        const userRules = await getEffectiveUserRules();
         if ( userRules.length === 0 ) {
             await localRemove('userDnrRuleCount');
         } else {
@@ -751,6 +751,7 @@ export {
     enableRulesets,
     excludeFromStrictBlock,
     filteringModesToDNR,
+    getEffectiveUserRules,
     getEnabledRulesetsDetails,
     getRulesetDetails,
     patchDefaultRulesets,