don't use depth based log filtering, also add Detail log level

it's hard to make it work with an override where you don't want
to filter by depth if a given loglevel is present in the children.

src/logging/BaseLogger.js

@@ -40,7 +40,7 @@ export class BaseLogger {
                 filter = filter.minLevel(logLevel);
             }
             try {
-                const serialized = item.serialize(filter, 0);
+                const serialized = item.serialize(filter);
                 if (serialized) {
                     this._persistItem(serialized);
                 }

src/logging/LogFilter.js

@@ -17,31 +17,29 @@ limitations under the License.
 export const LogLevel = {
     All: 1,
     Debug: 2,
-    Info: 3,
+    Detail: 3,
-    Warn: 4,
+    Info: 4,
-    Error: 5,
+    Warn: 5,
-    Fatal: 6,
+    Error: 6,
-    Off: 7,
+    Fatal: 7,
+    Off: 8,
 }
 
 export class LogFilter {
     constructor(parentFilter) {
         this._parentFilter = parentFilter;
         this._min = null;
-        this._maxDepth = null;
     }
 
-    filter(item, children, depth) {
+    filter(item, children) {
         if (this._parentFilter) {
-            if (!this._parentFilter.filter(item, children, depth)) {
+            if (!this._parentFilter.filter(item, children)) {
                 return false;
             }
         }
         // neither our children or us have a loglevel high enough, filter out.
         if (this._min !== null && children === null && item.logLevel < this._min) {
             return false;
-        } if (this._maxDepth !== null && depth > this._maxDepth) {
-            return false;
         } else {
             return true;
         }
@@ -52,9 +50,4 @@ export class LogFilter {
         this._min = logLevel;
         return this;
     }
-
-    maxDepth(depth) {
-        this._maxDepth = depth;
-        return this;
-    }
 }

src/logging/LogItem.js

@@ -65,7 +65,7 @@ export class LogItem {
         }
     }
 
-    serialize(filter, depth) {
+    serialize(filter) {
         if (this._filterCreator) {
             try {
                 filter = this._filterCreator(new LogFilter(filter), this);
@@ -76,7 +76,7 @@ export class LogItem {
         let children;
         if (this._children !== null) {
             children = this._children.reduce((array, c) => {
-                const s = c.serialize(filter, depth + 1);
+                const s = c.serialize(filter);
                 if (s) {
                     if (array === null) {
                         array = [];
@@ -86,7 +86,7 @@ export class LogItem {
                 return array;
             }, null);
         }
-        if (!filter.filter(this, children, depth)) {
+        if (!filter.filter(this, children)) {
             return null;
         }
         const item = {

src/matrix/Sync.js

@@ -90,6 +90,14 @@ export class Sync {
         this._syncLoop(syncToken);
     }
 
+    _createLogFilter(filter, log) {
+        if (log.duration >= 2000 || log.error || this._status.get() === SyncStatus.CatchupSync) {
+            return filter.minLevel(log.level.Detail);
+        } else {
+            return filter.minLevel(log.level.Info);
+        }
+    }
+
     async _syncLoop(syncToken) {
         // if syncToken is falsy, it will first do an initial sync ... 
         while(this._status.get() !== SyncStatus.Stopped) {
@@ -112,15 +120,8 @@ export class Sync {
                 const syncResult = await this._logger.run("sync",
                     log => this._syncRequest(syncToken, timeout, log),
                     this._logger.level.Info,
-                    (filter, log) => {
+                    this._createLogFilter.bind(this)
-                        if (log.duration >= 2000 || this._status.get() === SyncStatus.CatchupSync) {
+                );
-                            return filter.minLevel(log.level.Info);
-                        } else if (log.error) {
-                            return filter.minLevel(log.level.Error);
-                        } else {
-                            return filter.maxDepth(0);
-                        }
-                });
                 syncToken = syncResult.syncToken;
                 roomStates = syncResult.roomStates;
                 sessionChanges = syncResult.sessionChanges;