Discard repeating adjacent entries in the logger

src/js/background.js

@@ -311,7 +311,6 @@ const µBlock = {  // jshint ignore:line
         }
         this.fromTabId(tabId); // Must be called AFTER tab context management
         this.realm = '';
-        this.id = details.requestId;
         this.setMethod(details.method);
         this.setURL(details.url);
         this.aliasURL = details.aliasURL || undefined;
@@ -373,7 +372,6 @@ const µBlock = {  // jshint ignore:line
 
     toLogger() {
         const details = {
-            id: this.id,
             tstamp: 0,
             realm: this.realm,
             method: this.getMethodName(),

src/js/filtering-context.js

@@ -135,7 +135,6 @@ export const FilteringContext = class {
         }
         this.tstamp = 0;
         this.realm = '';
-        this.id = undefined;
         this.method = 0;
         this.itype = NO_TYPE;
         this.stype = undefined;
@@ -175,7 +174,6 @@ export const FilteringContext = class {
 
     fromFilteringContext(other) {
         this.realm = other.realm;
-        this.id = other.id;
         this.type = other.type;
         this.method = other.method;
         this.url = other.url;

src/js/logger-ui.js

@@ -36,6 +36,7 @@ const logger = self.logger = { ownerId: Date.now() };
 const logDate = new Date();
 const logDateTimezoneOffset = logDate.getTimezoneOffset() * 60;
 const loggerEntries = [];
+let loggerEntryIdGenerator = 1;
 
 const COLUMN_TIMESTAMP = 0;
 const COLUMN_FILTER = 1;
@@ -319,13 +320,11 @@ const LogEntry = function(details) {
     if ( details instanceof Object === false ) { return; }
     const receiver = LogEntry.prototype;
     for ( const prop in receiver ) {
-        if (
-            details.hasOwnProperty(prop) &&
-            details[prop] !== receiver[prop]
-        ) {
-            this[prop] = details[prop];
-        }
+        if ( details.hasOwnProperty(prop) === false ) { continue; }
+        if ( details[prop] === receiver[prop] ) { continue; }
+        this[prop] = details[prop];
     }
+    this.id = `${loggerEntryIdGenerator++}`;
     if ( details.aliasURL !== undefined ) {
         this.aliased = true;
     }
@@ -346,7 +345,6 @@ LogEntry.prototype = {
     docHostname: '',
     domain: '',
     filter: undefined,
-    id: '',
     method: '',
     realm: '',
     tabDomain: '',
@@ -1627,9 +1625,10 @@ dom.on(document, 'keydown', ev => {
     const aliasURLFromID = function(id) {
         if ( id === '' ) { return ''; }
         for ( const entry of loggerEntries ) {
-            if ( entry.id !== id || entry.aliased ) { continue; }
-            const fields = entry.textContent.split('\x1F');
-            return fields[COLUMN_URL] || '';
+            if ( entry.id !== id ) { continue; }
+            const match = /\baliasURL=([^\x1F]+)/.exec(entry.textContent);
+            if ( match === null ) { return ''; }
+            return match[1];
         }
         return '';
     };

src/js/logger.js

@@ -30,7 +30,6 @@ import { broadcast, broadcastToAll } from './broadcast.js';
 let buffer = null;
 let lastReadTime = 0;
 let writePtr = 0;
-let lastBoxedEntry = '';
 
 // After 30 seconds without being read, the logger buffer will be considered
 // unused, and thus disabled.
@@ -44,7 +43,6 @@ const janitorTimer = vAPI.defer.create(( ) => {
     logger.enabled = false;
     buffer = null;
     writePtr = 0;
-    lastBoxedEntry = '';
     logger.ownerId = undefined;
     broadcastToAll({ what: 'loggerDisabled' });
 });
@@ -55,6 +53,7 @@ const boxEntry = details => {
 };
 
 const pushOne = box => {
+    if ( writePtr !== 0 && box === buffer[writePtr-1] ) { return; }
     if ( writePtr === buffer.length ) {
         buffer.push(box);
     } else {
@@ -68,12 +67,7 @@ const logger = {
     ownerId: undefined,
     writeOne(details) {
         if ( buffer === null ) { return; }
-        const box = boxEntry(details);
-        if ( box === lastBoxedEntry ) { return; }
-        if ( lastBoxedEntry !== '' ) {
-            pushOne(lastBoxedEntry);
-        }
-        lastBoxedEntry = box;
+        pushOne(boxEntry(details));
     },
     readAll(ownerId) {
         this.ownerId = ownerId;
@@ -83,11 +77,8 @@ const logger = {
             janitorTimer.on(logBufferObsoleteAfter);
             broadcast({ what: 'loggerEnabled' });
         }
-        if ( lastBoxedEntry !== '' ) {
-            pushOne(lastBoxedEntry);
-            lastBoxedEntry = '';
-        }
         const out = buffer.slice(0, writePtr);
+        buffer.fill('', 0, writePtr);
         writePtr = 0;
         lastReadTime = Date.now();
         return out;