fix analyzer issues

example/pubspec.yaml

@@ -9,6 +9,8 @@ authors:
 environment:
   sdk: '>=2.4.0 <3.0.0'
 
+publish_to: none
+
 dependencies:
   angular: ^6.0.0-alpha+1
   #angular_components: ^0.14.0-alpha+1

lib/src/datepicker/day_picker.dart

@@ -10,9 +10,7 @@ import '../fontawesome/directives.dart';
 /// Creates an [EsDayPickerComponent], this will be the view showed in the [NgEsDatePicker] when user clicks
 /// day header button
 @Component(
-    selector: 'es-day-picker',
-    templateUrl: 'day_picker.html',
-    directives: [coreDirectives, fontAwesomeDirectives])
+    selector: 'es-day-picker', templateUrl: 'day_picker.html', directives: [coreDirectives, fontAwesomeDirectives])
 class EsDayPickerComponent {
   /// provides access to [EsDatePickerComponent] parent container
   EsDatePickerComponent datePicker;
@@ -48,22 +46,16 @@ class EsDayPickerComponent {
   /// provides the maximun mode that can be displayed
   String maxMode = 'year';
 
-  Map<String, bool> selectColorBtn(DisplayedDate dt) => {
-        'btn-primary': dt.selected,
-        'btn-light': !dt.selected,
-        'active': dt.current,
-        'disabled': dt.disabled
-      };
-  Map<String, bool> typeTextToButton(DisplayedDate dt) => {
-        'text-muted': dt.secondary,
-        'font-weight-bold': dt.current && !dt.selected
-      };
+  Map<String, bool> selectColorBtn(DisplayedDate dt) =>
+      {'btn-primary': dt.selected, 'btn-light': !dt.selected, 'active': dt.current, 'disabled': dt.disabled};
+  Map<String, bool> typeTextToButton(DisplayedDate dt) =>
+      {'text-muted': dt.secondary, 'font-weight-bold': dt.current && !dt.selected};
 
   bool get isDisabledMaxMode => datePicker.datePickerMode == maxMode;
 
   ///
   List<DateTime> getDates(DateTime startDate, num n) {
-    var dates = List<DateTime>(n);
+    var dates = List<DateTime>.filled(n, null);
     var current = startDate;
     var i = 0;
     var date;
@@ -92,8 +84,7 @@ class EsDayPickerComponent {
     var firstThursday = DateTime(checkDate.year, DateTime.january, 1);
 
     if (firstThursday.weekday != (DateTime.thursday)) {
-      firstThursday = DateTime(checkDate.year, DateTime.january,
-          1 + ((4 - firstThursday.weekday) + 7) % 7);
+      firstThursday = DateTime(checkDate.year, DateTime.january, 1 + ((4 - firstThursday.weekday) + 7) % 7);
     }
 
     // The weeknumber is the number of weeks between the
@@ -105,11 +96,9 @@ class EsDayPickerComponent {
     var initDate = datePicker.initDate;
     num year = initDate.year;
     num month = initDate.month;
-    var firstDayOfMonth =
-        DateTime(year, month, 1 - DateTime(year, month, 1, 12).weekday, 12);
+    var firstDayOfMonth = DateTime(year, month, 1 - DateTime(year, month, 1, 12).weekday, 12);
     var difference = datePicker.startingDay - firstDayOfMonth.day;
-    var numDisplayedFromPreviousMonth =
-        (difference > 0) ? 7 - difference : -difference;
+    var numDisplayedFromPreviousMonth = (difference > 0) ? 7 - difference : -difference;
     var firstDate = firstDayOfMonth;
     if (numDisplayedFromPreviousMonth > 0) {
       //todo luisvt: not sure what to do with next line
@@ -119,8 +108,7 @@ class EsDayPickerComponent {
     var _days = getDates(firstDate, 42);
     var days = <DisplayedDate>[];
     for (num i = 0; i < 42; i++) {
-      var _dateObject =
-          datePicker.createDateObject(_days[i], datePicker.formatDay);
+      var _dateObject = datePicker.createDateObject(_days[i], datePicker.formatDay);
       _dateObject.secondary = _days[i].month != month;
       days.add(_dateObject);
     }
@@ -132,17 +120,14 @@ class EsDayPickerComponent {
       });
     }
     initializeDateFormatting(locale);
-    monthTitle =
-        DateFormat(datePicker.formatMonthTitle, locale).format(initDate);
+    monthTitle = DateFormat(datePicker.formatMonthTitle, locale).format(initDate);
     yearTitle = DateFormat(datePicker.formatYear, locale).format(initDate);
     rows = datePicker.split(days, 7);
     //if (datePicker.showWeeks) {
     weekNumbers.clear();
-    num thursdayIndex = (4 + 7 - datePicker.startingDay) % 7,
-        numWeeks = rows.length;
+    num thursdayIndex = (4 + 7 - datePicker.startingDay) % 7, numWeeks = rows.length;
     for (num curWeek = 0; curWeek < numWeeks; curWeek++) {
-      weekNumbers
-          .add(getISO8601WeekNumber(rows[curWeek][thursdayIndex].date) + 1);
+      weekNumbers.add(getISO8601WeekNumber(rows[curWeek][thursdayIndex].date) + 1);
     }
     //}
   }

lib/src/datepicker/month_picker.dart

@@ -45,7 +45,7 @@ class EsMonthPickerComponent {
       {'btn-primary': dt.selected, 'btn-light': !dt.selected, 'active': dt.current, 'disabled': dt.disabled};
 
   void refreshViewHandler() {
-    var months = List<DisplayedDate>(12);
+    var months = List<DisplayedDate>.filled(12, null);
     var initDate = datePicker.initDate;
     num year = initDate.year;
     DateTime date;

lib/src/datepicker/year_picker.dart

@@ -49,7 +49,7 @@ class EsYearPickerComponent {
   bool isCurrentRowSelected(DisplayedDate dt) => dt.current && !dt.selected;
 
   void refreshViewHandler() {
-    var years = List<DisplayedDate>(datePicker.yearRange);
+    var years = List<DisplayedDate>.filled(datePicker.yearRange, null);
     DateTime date;
     var initDate = datePicker.initDate;
     for (var i = 0, start = getStartingYear(initDate.year); i < datePicker.yearRange; i++) {

lib/src/dropdown/toggle.dart

@@ -1,14 +1,10 @@
-import 'dart:async';
-
 import 'package:angular/angular.dart';
 import 'dart:html';
 import 'dropdown.dart';
 
 /// Creates a component that will toggle the state of a dropdown-menu,
 /// in other words when clicked will open or close the dropdown-menu
-@Directive(
-    selector: 'es-dropdown-toggle, .dropdown-toggle',
-    exportAs: 'esdropdowntoggle')
+@Directive(selector: 'es-dropdown-toggle, .dropdown-toggle', exportAs: 'esdropdowntoggle')
 class EsDropdownToggleDirective {
   EsDropdownDirective dropdown;
 
@@ -40,9 +36,7 @@ class EsDropdownToggleDirective {
     document.querySelectorAll('es-dropdown.show')?.forEach((e) {
       if (elementRef.parent != e) {
         e.classes.remove('show');
-        e
-            .querySelector('es-dropdown-toggle')
-            ?.setAttribute('aria-expanded', 'false');
+        e.querySelector('es-dropdown-toggle')?.setAttribute('aria-expanded', 'false');
       }
     });
 

lib/src/multi_select_tree/model/multi_select_tree_model.dart

@@ -7,11 +7,10 @@ class MultiSelectTreeNode {
   bool showOtherProperties;
   List<MultiSelectTreeNode> children;
 
-  MultiSelectTreeNode(
-      String name, bool otherProperties, List<dynamic> children) {
+  MultiSelectTreeNode(String name, bool otherProperties, List<dynamic> children) {
     this.name = name;
-    // ignore: prefer_collection_literals
-    this.children = List<MultiSelectTreeNode>();
+
+    this.children = <MultiSelectTreeNode>[];
     showChildren = false;
     isRoot = false;
     isSelected = false;
@@ -20,8 +19,7 @@ class MultiSelectTreeNode {
     if (children != null) {
       for (var node in children) {
         // ignore: omit_local_variable_types
-        MultiSelectTreeNode t = MultiSelectTreeNode(
-            node.name, node.showOtherProperties, node.children);
+        MultiSelectTreeNode t = MultiSelectTreeNode(node.name, node.showOtherProperties, node.children);
         this.children.add(t);
       }
     }

lib/src/multi_select_tree/multi_select_tree.dart

@@ -18,7 +18,7 @@ class MultiSelectTreeComponent implements OnInit, OnDestroy {
   MultiSelectTreeComponent(this._treeService);
 
   // ignore: prefer_collection_literals
-  List<MultiSelectTreeNode> rootNodeList = List<MultiSelectTreeNode>();
+  List<MultiSelectTreeNode> rootNodeList = <MultiSelectTreeNode>[];
   StreamController<List<MultiSelectTreeNode>> propagateController = StreamController<List<MultiSelectTreeNode>>();
 
   @Input('data')

lib/src/multi_select_tree/multi_select_tree_node/multi_select_tree_node.dart

@@ -18,7 +18,7 @@ class TreeNodeComponent {
   TreeNodeComponent(this._treeService);
 
   // ignore: prefer_collection_literals
-  List<MultiSelectTreeNode> selectedNodes = List<MultiSelectTreeNode>();
+  List<MultiSelectTreeNode> selectedNodes = <MultiSelectTreeNode>[];
 
   @Input('node')
   MultiSelectTreeNode node;
@@ -30,20 +30,17 @@ class TreeNodeComponent {
     n.showChildren = !n.showChildren;
   }
 
-  void handleIndeterminate(MultiSelectTreeNode n, MultiSelectTreeNode parent,
-      bool isIndeterminateState) {
+  void handleIndeterminate(MultiSelectTreeNode n, MultiSelectTreeNode parent, bool isIndeterminateState) {
     n.isIndeterminate = isIndeterminateState;
     updateParentIndeterminate(parent, isIndeterminateState);
   }
 
-  void updateParentIndeterminate(
-      MultiSelectTreeNode node, bool isIndeterminate) {
+  void updateParentIndeterminate(MultiSelectTreeNode node, bool isIndeterminate) {
     if (node == null) return;
     node.isIndeterminate = isIndeterminate;
   }
 
-  void selectNode(
-      MultiSelectTreeNode n, MultiSelectTreeNode parent, bool isChecked) {
+  void selectNode(MultiSelectTreeNode n, MultiSelectTreeNode parent, bool isChecked) {
     n.isSelected = isChecked;
     __updateChildren(n, isChecked);
     __updateParent(n, parent, isChecked);
@@ -60,8 +57,7 @@ class TreeNodeComponent {
     }
   }
 
-  void __updateParent(
-      MultiSelectTreeNode n, MultiSelectTreeNode parent, bool isChecked) {
+  void __updateParent(MultiSelectTreeNode n, MultiSelectTreeNode parent, bool isChecked) {
     if (parent != null) {
       // ignore: omit_local_variable_types
       List<MultiSelectTreeNode> siblings = parent.getChildren();

lib/src/multi_select_tree/service/multi_select_tree_service.dart

@@ -4,10 +4,9 @@ import '../model/multi_select_tree_model.dart';
 
 @Injectable()
 class TreeService {
-  StreamController<List<MultiSelectTreeNode>> streamController =
-      StreamController<List<MultiSelectTreeNode>>();
+  StreamController<List<MultiSelectTreeNode>> streamController = StreamController<List<MultiSelectTreeNode>>();
   // ignore: prefer_collection_literals
-  final List<MultiSelectTreeNode> _selectedNodes = List<MultiSelectTreeNode>();
+  final List<MultiSelectTreeNode> _selectedNodes = <MultiSelectTreeNode>[];
   List<MultiSelectTreeNode> getSelectedNodes() {
     return _selectedNodes;
   }