Remove redundant code, semaphores and todos (#29079)

Co-authored-by: Vladimir Bushmanov <vladimir.bushmanov@devexpress.com>

packages/devextreme/js/__internal/scheduler/appointment_popup/m_form.ts

@@ -14,7 +14,6 @@ import { extend } from '@js/core/utils/extend';
 import Form from '@js/ui/form';
 import { current, isFluent } from '@js/ui/themes';
 import { ExpressionUtils } from '@ts/scheduler/m_expression_utils';
-import { Semaphore } from '@ts/scheduler/r1/semaphore/index';
 
 import { createAppointmentAdapter } from '../m_appointment_adapter';
 import timeZoneUtils from '../m_utils_time_zone';
@@ -63,15 +62,12 @@ export class AppointmentForm {
 
   form: any;
 
-  // TODO: Why we need the "semaphore" in the sync code?
-  //  We should research it and delete it if redundant
-  semaphore: Semaphore;
+  // NOTE: flag to prevent double value set during form updating
+  private isFormUpdating = false;
 
   constructor(scheduler) {
     this.scheduler = scheduler;
     this.form = null;
-
-    this.semaphore = new Semaphore();
   }
 
   get dxForm() {
@@ -194,7 +190,7 @@ export class AppointmentForm {
     const dateEditor = this.form.getEditor(dateExpr);
     const dateValue = dateSerialization.deserializeDate(dateEditor.option('value'));
 
-    if (this.semaphore.isFree() && dateValue && value && isNeedCorrect(dateValue, value)) {
+    if (!this.isFormUpdating && dateValue && value && isNeedCorrect(dateValue, value)) {
       const duration = previousValue ? dateValue.getTime() - previousValue.getTime() : 0;
       dateEditor.option('value', new Date(value.getTime() + duration));
     }
@@ -337,7 +333,7 @@ export class AppointmentForm {
               const endDateEditor = this.form.getEditor(dataExprs.endDateExpr);
               const startDate = dateSerialization.deserializeDate(startDateEditor.option('value'));
 
-              if (this.semaphore.isFree() && startDate) {
+              if (!this.isFormUpdating && startDate) {
                 if (value) {
                   const allDayStartDate = dateUtils.trimTime(startDate);
                   startDateEditor.option('value', new Date(allDayStartDate));
@@ -459,8 +455,7 @@ export class AppointmentForm {
   }
 
   updateFormData(formData) {
-    this.semaphore.take();
-
+    this.isFormUpdating = true;
     this.form.option('formData', formData);
 
     const dataAccessors = this.scheduler.getDataAccessors();
@@ -479,8 +474,7 @@ export class AppointmentForm {
     this.updateRecurrenceEditorStartDate(startDate, expr.recurrenceRuleExpr);
 
     this.setEditorsType(allDay);
-
-    this.semaphore.release();
+    this.isFormUpdating = false;
   }
 
   private createDateBoxEditor(dataField, colSpan, firstDayOfWeek, label, cssClass, onValueChanged) {

packages/devextreme/js/__internal/scheduler/appointments/data_provider/m_appointment_filter.ts

@@ -255,11 +255,6 @@ export class AppointmentFilterBaseStrategy {
     }]];
   }
 
-  // TODO get rid of wrapper
-  _createAppointmentFilter(filterOptions) {
-    return this._createCombinedFilter(filterOptions);
-  }
-
   _filterAppointmentByResources(appointment, resources) {
     const checkAppointmentResourceValues = (resourceName, resourceIndex) => {
       const resourceGetter = this.dataAccessors.resources.getter[resourceName];
@@ -346,7 +341,7 @@ export class AppointmentFilterBaseStrategy {
   }
 
   filterPreparedItems(filterOptions, preparedItems) {
-    const combinedFilter = this._createAppointmentFilter(filterOptions);
+    const combinedFilter = this._createCombinedFilter(filterOptions);
 
     // @ts-expect-error
     return query(preparedItems)
@@ -451,7 +446,7 @@ export class AppointmentFilterVirtualStrategy extends AppointmentFilterBaseStrat
     filterOptions.forEach((option) => {
       combinedFilters.length && combinedFilters.push('or');
 
-      const filter = this._createAppointmentFilter(option);
+      const filter = this._createCombinedFilter(option);
 
       combinedFilters.push(filter);
     });

packages/devextreme/js/__internal/scheduler/appointments/m_appointment_collection.ts

@@ -75,7 +75,6 @@ class SchedulerAppointments extends CollectionWidget {
     this._virtualAppointments = {};
   }
 
-  // TODO: remove when Collection moved to TS
   // eslint-disable-next-line @typescript-eslint/no-unused-vars
   option(optionName?: string, value?: any) {
     return super.option(...arguments);

packages/devextreme/js/__internal/scheduler/appointments/m_view_model_generator.ts

@@ -34,7 +34,7 @@ export class AppointmentViewModelGenerator {
     this.initRenderingStrategy(options);
 
     const renderingStrategy = this.getRenderingStrategy();
-    const positionMap = renderingStrategy.createTaskPositionMap(appointments); // TODO - appointments are mutated inside!
+    const positionMap = renderingStrategy.createTaskPositionMap(appointments); // appointments are mutated inside!
     const shiftedViewModel = this.postProcess(appointments, positionMap);
     const viewModel = this.unshiftViewModelAppointmentsByViewOffset(shiftedViewModel, viewOffset);
 

packages/devextreme/js/__internal/scheduler/appointments/rendering_strategies/m_strategy_agenda.ts

@@ -193,8 +193,7 @@ class AgendaRenderingStrategy extends BaseRenderingStrategy {
     replaceWrongEndDate(adapter, startDate, endDate, this.cellDuration, this.dataAccessors);
   }
 
-  // TODO: get rid of an extra 'needClearSettings' argument
-  calculateRows(appointments, agendaDuration, currentDate, needClearSettings?) {
+  calculateRows(appointments, agendaDuration, currentDate) {
     this._rows = [];
     currentDate = dateUtils.trimTime(new Date(currentDate));
 
@@ -218,8 +217,6 @@ class AgendaRenderingStrategy extends BaseRenderingStrategy {
 
         this.replaceWrongAppointmentEndDate(appointment, startDate, endDate);
 
-        needClearSettings && delete appointment.settings;
-
         const result = this.instance.getAppointmentsInstance()._processRecurrenceAppointment(appointment, index, false);
         appts.parts = appts.parts.concat(result.parts);
         appts.indexes = appts.indexes.concat(result.indexes);

packages/devextreme/js/__internal/scheduler/m_appointment_adapter.ts

@@ -169,7 +169,7 @@ class AppointmentAdapter {
 
   source(serializeDate = false) {
     if (serializeDate) {
-      // TODO: hack for use dateSerializationFormat
+      // hack for use dateSerializationFormat
       const clonedAdapter = this.clone();
       clonedAdapter.startDate = this.startDate;
       clonedAdapter.endDate = this.endDate;

packages/devextreme/js/__internal/scheduler/m_loading.ts

@@ -29,8 +29,7 @@ export function show(options) {
 }
 
 export function hide() {
-  // todo: hot fix for case without viewport
-
+  // hot fix for case without viewport
   if (!loading) {
     // @ts-expect-error
     return new Deferred().resolve();

packages/devextreme/js/__internal/scheduler/m_recurrence_editor.ts

@@ -36,7 +36,7 @@ const MONTH_OF_YEAR = 'dx-recurrence-selectbox-month-of-year';
 
 const recurrentEditorNumberBoxWidth = 70;
 const recurrentEditorSelectBoxWidth = 120;
-const defaultRecurrenceTypeIndex = 1; // TODO default daily recurrence
+const defaultRecurrenceTypeIndex = 1; // default daily recurrence
 
 const frequenciesMessages = [
   /* {

packages/devextreme/js/__internal/scheduler/m_scheduler.ts

@@ -1525,7 +1525,7 @@ class Scheduler extends Widget<any> {
     this._validateKeyFieldIfAgendaExist();
   }
 
-  _isDataSourceLoaded() { // TODO
+  _isDataSourceLoaded() {
     return this._dataSource && this._dataSource.isLoaded();
   }
 
@@ -1637,17 +1637,13 @@ class Scheduler extends Widget<any> {
     return this._getCurrentViewOption('cellDuration');
   }
 
-  _getCurrentViewType() { // TODO get rid of mapping
-    return this.currentViewType;
-  }
-
   _renderWorkSpace(groups) {
     this._readyToRenderAppointments && this._toggleSmallClass();
     const $workSpace = $('<div>').appendTo(this._mainContainer);
 
     const countConfig = this._getViewCountConfig();
 
-    const workSpaceComponent = VIEWS_CONFIG[this._getCurrentViewType()].workSpace;
+    const workSpaceComponent = VIEWS_CONFIG[this.currentViewType].workSpace;
     const workSpaceConfig = this._workSpaceConfig(groups, countConfig);
     // @ts-expect-error
     this._workSpace = this._createComponent($workSpace, workSpaceComponent, workSpaceConfig);
@@ -2236,7 +2232,7 @@ class Scheduler extends Widget<any> {
   }
 
   /// #DEBUG
-  getAppointmentDetailsForm() { // TODO for tests
+  getAppointmentDetailsForm() { // for tests
     return this._appointmentForm.form;
   }
   /// #ENDDEBUG
@@ -2647,7 +2643,6 @@ class Scheduler extends Widget<any> {
   private validateOptions(): void {
     const currentViewOptions = {
       ...this.option(),
-      // TODO: Check it before 24.1 release
       // NOTE: We override this.option values here
       // because the old validation logic checked only current view options.
       // Changing it and validate all views configuration will be a BC.

packages/devextreme/js/__internal/scheduler/m_subscribes.ts

@@ -126,7 +126,7 @@ const subscribes = {
       this.timeZoneCalculator,
     );
 
-    // TODO pull out time zone converting from appointment adapter for knockout(T947938)
+    // pull out time zone converting from appointment adapter for knockout(T947938)
     const startDate = this.timeZoneCalculator.createDate(targetedAdapter.startDate, { path: 'toGrid' });
     const endDate = this.timeZoneCalculator.createDate(targetedAdapter.endDate, { path: 'toGrid' });
 

packages/devextreme/js/__internal/scheduler/m_utils.ts

@@ -94,7 +94,6 @@ export const utils = {
         component = widget._createComponent(container, componentClass, viewModel);
         widget[componentName] = component;
       } else {
-        // TODO: this is a workaround for setTablesSizes. Remove after CSS refactoring
         const $element = component.$element();
         const elementStyle = $element.get(0).style;
         const { height } = elementStyle;

packages/devextreme/js/__internal/scheduler/m_utils_time_zone.ts

@@ -292,7 +292,7 @@ const isEqualLocalTimeZoneByDeclaration = (timeZoneName: string, date: Date): bo
   return false;
 };
 
-// TODO: Getting two dates in january or june is the standard mechanism for determining that an offset has occurred.
+// Getting two dates in january or june is the standard mechanism for determining that an offset has occurred.
 const getExtremeDates = () => {
   const nowDate = new Date(Date.now());
 

packages/devextreme/js/__internal/scheduler/options_validator/core/types.ts

@@ -14,6 +14,6 @@ export interface GlobalErrorHandler {
   throwError: (errorCode: string) => void;
 }
 
-// TODO: This export just a workaround for SystemJS issue
+// This export just a workaround for SystemJS issue
 //  with ts files that contains only type definitions.
 export const REDUNDANT_EXPORT = undefined;

packages/devextreme/js/__internal/scheduler/options_validator/types.ts

@@ -9,6 +9,6 @@ export type SchedulerValidatorNames = 'startDayHour'
 | 'cellDuration'
 | 'cellDurationAndVisibleInterval';
 
-// TODO: This export just a workaround for SystemJS issue
+// This export just a workaround for SystemJS issue
 //  with ts files that contains only type definitions.
 export const REDUNDANT_EXPORT = undefined;

packages/devextreme/js/__internal/scheduler/r1/components/base/date_header_cell.tsx

@@ -14,7 +14,7 @@ export interface DateHeaderCellProps extends CellBaseProps {
   colSpan: number;
   isWeekDayCell: boolean;
   splitText: boolean;
-  // TODO: this is a workaround for https://github.com/DevExpress/devextreme-renovation/issues/574
+  // this is a workaround for https://github.com/DevExpress/devextreme-renovation/issues/574
   isTimeCellTemplate: boolean;
   timeCellTemplate?: JSXTemplate<DateTimeCellTemplateProps>;
   dateCellTemplate?: JSXTemplate<DateTimeCellTemplateProps>;
@@ -66,7 +66,7 @@ export class DateHeaderCell extends BaseInfernoComponent<DateHeaderCellProps> {
     const DateCellTemplateComponent = getTemplate(dateCellTemplate);
 
     const children = useTemplate ? (
-        // TODO: this is a workaround for https://github.com/DevExpress/devextreme-renovation/issues/574
+        // this is a workaround for https://github.com/DevExpress/devextreme-renovation/issues/574
         <>
           {isTimeCellTemplate && TimeCellTemplateComponent
             && TimeCellTemplateComponent({

packages/devextreme/js/__internal/scheduler/r1/types.ts

@@ -52,7 +52,7 @@ export interface AppointmentFilter {
 export interface CustomLoadDataType { data: Appointment[] }
 
 export interface AppointmentGeometry {
-  empty: boolean; // TODO
+  empty: boolean;
   left: number;
   top: number;
   width: number;

packages/devextreme/js/__internal/scheduler/resources/m_utils.ts

@@ -101,7 +101,6 @@ export const getPathToLeaf = (leafIndex, groups) => {
   return makeBranch(leaf).reverse();
 };
 
-// TODO rework
 export const getCellGroups = (groupIndex, groups) => {
   const result: any = [];
 
@@ -499,7 +498,7 @@ const getTransformedResourceData = (resource, data) => {
       text: displayGetter(item),
     };
 
-    if (item.color) { // TODO for passed tests
+    if (item.color) { // for tests
       result.color = item.color;
     }
 

packages/devextreme/js/__internal/scheduler/tooltip_strategies/m_desktop_tooltip_strategy.ts

@@ -34,7 +34,7 @@ export class DesktopTooltipStrategy extends TooltipStrategyBase {
   _createListOption(target, dataList) {
     // @ts-expect-error
     const result: any = super._createListOption(target, dataList);
-    // TODO:T724287 this condition is not covered by tests, because touch variable cannot be overridden.
+    // T724287 this condition is not covered by tests, because touch variable cannot be overridden.
     // In the future, it is necessary to cover the tests
     result.showScrollbar = supportUtils.touch ? 'always' : 'onHover';
     return result;

packages/devextreme/js/__internal/scheduler/workspaces/helpers/m_position_helper.ts

@@ -248,7 +248,6 @@ class GroupStrategyBase {
 
     let result = lastGroupRow[0].top + lastGroupRow[0].height;
 
-    // TODO remove while refactoring dual calculcations.
     // Should decrease allDayPanel amount due to the dual calculation corrections.
     if (isGroupedAllDayPanel) {
       result -= (groupIndex + 1) * this._getAllDayHeight(showAllDayPanel);

packages/devextreme/js/__internal/scheduler/workspaces/m_agenda.ts

@@ -461,7 +461,6 @@ class SchedulerAgenda extends WorkSpace {
   }
 
   _getGroupRowHeight(groupRows) {
-    // TODO: hotfix
     if (!groupRows) {
       return;
     }

packages/devextreme/js/__internal/scheduler/workspaces/m_virtual_scrolling.ts

@@ -183,7 +183,6 @@ export class VirtualScrollingDispatcher {
     let cellWidth = this.options.getCellWidth();
     const minCellWidth = this.options.getCellMinWidth();
 
-    // TODO: Remove this after CSS refactoring
     if (!cellWidth || cellWidth < minCellWidth) {
       cellWidth = minCellWidth;
     }