style: format code

@@ -13,11 +13,11 @@ class AutoTrackLogger {
   bool get hasHandler => _handler != null;
 
   void info(String message) {
-    _print(AutoTrackLoggerLevel.Info, message);
+    _print(AutoTrackLoggerLevel.info, message);
   }
 
   void debug(String message) {
-    _print(AutoTrackLoggerLevel.Debug, message);
+    _print(AutoTrackLoggerLevel.debug, message);
   }
 
   void error(Object e) {
@@ -29,7 +29,7 @@ class AutoTrackLogger {
     } else if (e is DioException) {
       message = (e).message ?? 'dio exception with unknown message';
     }
-    _print(AutoTrackLoggerLevel.Error, message);
+    _print(AutoTrackLoggerLevel.error, message);
   }
 
   void setHandler(AutoTrackLoggerHandler handler) {
@@ -61,9 +61,9 @@ class AutoTrackLogger {
 }
 
 enum AutoTrackLoggerLevel {
-  Info,
-  Debug,
-  Error,
+  info,
+  debug,
+  error,
 }
 
 class _LoggerData {

@@ -95,17 +95,17 @@ class PageInfo {
 }
 
 enum PageTimerState {
-  Init,
-  Start,
-  Pause,
-  Resume,
-  End,
+  init,
+  start,
+  pause,
+  resume,
+  end,
 }
 
 class PageTimer {
   PageTimer();
 
-  PageTimerState _state = PageTimerState.Init;
+  PageTimerState _state = PageTimerState.init;
   PageTimerState get state => _state;
 
   int _lastTimeStamp = 0;
@@ -118,41 +118,41 @@ class PageTimer {
   }
 
   start() {
-    if (_state != PageTimerState.Init && _state != PageTimerState.End) {
+    if (_state != PageTimerState.init && _state != PageTimerState.end) {
       return;
     }
 
-    _state = PageTimerState.Start;
+    _state = PageTimerState.start;
     _lastTimeStamp = DateTime.now().millisecondsSinceEpoch;
     _duration = const Duration();
   }
 
   pause() {
-    if (_state != PageTimerState.Start && _state != PageTimerState.Resume) {
+    if (_state != PageTimerState.start && _state != PageTimerState.resume) {
       return;
     }
 
-    _state = PageTimerState.Pause;
+    _state = PageTimerState.pause;
     _duration = Duration(milliseconds: _duration.inMilliseconds + _computeMilliseconds());
   }
 
   resume() {
-    if (_state != PageTimerState.Pause) {
+    if (_state != PageTimerState.pause) {
       return;
     }
 
-    _state = PageTimerState.Resume;
+    _state = PageTimerState.resume;
     _lastTimeStamp = DateTime.now().millisecondsSinceEpoch;
   }
 
   end() {
-    if (_state == PageTimerState.Pause) {
-      _state = PageTimerState.End;
+    if (_state == PageTimerState.pause) {
+      _state = PageTimerState.end;
       return;
     }
 
-    if (_state == PageTimerState.Start || _state == PageTimerState.Resume) {
-      _state = PageTimerState.End;
+    if (_state == PageTimerState.start || _state == PageTimerState.resume) {
+      _state = PageTimerState.end;
       _duration = Duration(milliseconds: _duration.inMilliseconds + _computeMilliseconds());
     }
   }

@@ -31,7 +31,7 @@ class PageStack with WidgetsBindingObserver {
   push(Route route, Element element, Route? previousRoute) {
     Page page = Page(route, element);
     _stack.add(page);
-    _task.addPush(page, page.previous);
+    _task.addpush(page, page.previous);
   }
 
   pop(Route route, Route? previousRoute) {
@@ -41,7 +41,7 @@ class PageStack with WidgetsBindingObserver {
 
     Page? page = _findPage(route);
     if (page != null) {
-      _task.addPop(page, page.previous);
+      _task.addpop(page, page.previous);
     }
     _removeAllAfter(page);
   }
@@ -65,7 +65,7 @@ class PageStack with WidgetsBindingObserver {
       _removeAllAfter(oldPage);
     }
     _stack.add(newPage);
-    _task.addReplace(newPage, oldPage);
+    _task.addreplace(newPage, oldPage);
   }
 
   Page? _findPage(Route route) {
@@ -124,22 +124,22 @@ class _PageTask {
   final List<_PageTaskData> _list = [];
   bool _taskRunning = false;
 
-  addPush(Page page, Page? prevPage) {
-    _PageTaskData taskData = _PageTaskData(_PageTaskType.Push, page);
+  addpush(Page page, Page? prevPage) {
+    _PageTaskData taskData = _PageTaskData(_PageTaskType.push, page);
     taskData.prevPage = prevPage;
     _list.add(taskData);
     _triggerTask();
   }
 
-  addPop(Page page, Page? prevPage) {
-    _PageTaskData taskData = _PageTaskData(_PageTaskType.Pop, page);
+  addpop(Page page, Page? prevPage) {
+    _PageTaskData taskData = _PageTaskData(_PageTaskType.pop, page);
     taskData.prevPage = prevPage;
     _list.add(taskData);
     _triggerTask();
   }
 
-  addReplace(Page page, Page? prevPage) {
-    _PageTaskData taskData = _PageTaskData(_PageTaskType.Replace, page);
+  addreplace(Page page, Page? prevPage) {
+    _PageTaskData taskData = _PageTaskData(_PageTaskType.replace, page);
     taskData.prevPage = prevPage;
     _list.add(taskData);
     _triggerTask();
@@ -165,16 +165,16 @@ class _PageTask {
     Page? enterPage, leavePage;
     _list.clear();
     for (_PageTaskData taskData in list as List<_PageTaskData>) {
-      if (taskData.type == _PageTaskType.Push) {
+      if (taskData.type == _PageTaskType.push) {
         leavePage ??= taskData.prevPage;
         enterPage = taskData.page;
-      } else if (taskData.type == _PageTaskType.Pop) {
+      } else if (taskData.type == _PageTaskType.pop) {
         leavePage ??= taskData.page;
         if (enterPage == null || enterPage == taskData.page) {
           enterPage = taskData.prevPage;
           enterPage?.pageInfo.isBack = true;
         }
-      } else if (taskData.type == _PageTaskType.Replace) {
+      } else if (taskData.type == _PageTaskType.replace) {
         leavePage ??= taskData.prevPage;
         if (enterPage == null || enterPage == taskData.prevPage) {
           enterPage = taskData.page;
@@ -203,7 +203,7 @@ class _PageTaskData {
 }
 
 enum _PageTaskType {
-  Push,
-  Pop,
-  Replace,
+  push,
+  pop,
+  replace,
 }