Make default locale to be 'en' (#3574)

CHANGELOG.md

@@ -41,7 +41,7 @@ All notable changes for each version of this project will be documented in this
     - Added a new `igxToolbarCustomContent` directive which can be used to mark an `ng-template` which provides a custom content for the IgxGrid's toolbar ([#2983](https://github.com/IgniteUI/igniteui-angular/issues/2983))
     - Summary results are now calculated and displayed by default for each row group when 'Group By' feature is enabled.
     - `clearSummaryCache()` and `recalculateSummaries()` methods are deprecated. The grid will clear the cache and recalculate the summaries automatically when needed.
-	- `locale` property added. If not set, it returns browser's language. All child components will use it as locale.
+	- `locale` property added. Default value is `en`. All child components will use it as locale.
     - **Breaking change** `IgxSummaryOperand.operate()` method is called with empty data in order to calculate the necessary height for the summary row. For custom summary operands, the method should always return an array of `IgxSummaryResult` with proper length.
 - `IgxIconModule`:
     - **Breaking change** `igxIconService` is now provided in root (providedIn: 'root') and `IgxIconModule.forRoot()` method is deprecated.

projects/igniteui-angular/src/lib/calendar/calendar.component.ts

@@ -142,7 +142,7 @@ export class IgxCalendarComponent implements OnInit, ControlValueAccessor {
 
     /**
      * Gets the `locale` of the calendar.
-     * By default the browser's language is used.
+     * Default value is `"en"`.
      * ```typescript
      * let locale =  this.calendar.locale;
      * ```
@@ -156,7 +156,7 @@ export class IgxCalendarComponent implements OnInit, ControlValueAccessor {
     /**
      * Sets the `locale` of the calendar.
      * Expects a valid BCP 47 language tag.
-     * By default the browser's language is used.
+     * Default value is `"en"`.
      * ```html
      * <igx-calendar [locale] = "de"></igx-calendar>
      * ```
@@ -610,7 +610,7 @@ export class IgxCalendarComponent implements OnInit, ControlValueAccessor {
     /**
     *@hidden
     */
-    private _locale = window.navigator.language;
+    private _locale = 'en';
     /**
      *@hidden
      */

projects/igniteui-angular/src/lib/date-picker/date-picker.component.ts

@@ -146,12 +146,12 @@ export class IgxDatePickerComponent implements ControlValueAccessor, EditorProvi
     public labelVisibility = true;
 
     /**
-     *An @Input property that sets locales. By default the browser's language is used.
+     *An @Input property that sets locales. Default locale is en.
      *```html
      *<igx-date-picker locale="ja-JP" [value]="date"></igx-date-picker>
      *```
      */
-    @Input() public locale: string = window.navigator.language;
+    @Input() public locale: 'en';
 
     /**
      *An @Input property that sets on which day the week starts.

projects/igniteui-angular/src/lib/grids/README.md

@@ -186,7 +186,7 @@ Below is the list of all inputs that the developers may set to configure the gri
 |`transactions`| `TransactionService` | Transaction provider allowing access to all transactions and states of the modified rows. |
 |`summaryPosition`| GridSummaryPosition | The summary row position for the child levels. The default is top. |
 |`summaryCalculationMode`| GridSummaryCalculationMode | The summary calculation mode. The default is rootAndChildLevels, which means summaries are calculated for root and child levels. |
-|`locale`| string | Determines the locale of the grid. By default returns browser's language. |
+|`locale`| string | Determines the locale of the grid. Default value is `en`. |
 
 ### Outputs
 

projects/igniteui-angular/src/lib/grids/grid-base.component.ts

@@ -302,7 +302,7 @@ export abstract class IgxGridBaseComponent extends DisplayDensityBase implements
         if (this._locale) {
             return this._locale;
         } else {
-            return window.navigator.language;
+            return 'en';
         }
     }