Fixed a bunch of typo's and minor errors in TypeScript definition files. (#4707)

* Fix a bunch of typo's and minor errors in TypeScript definition files.

* Implemented the requested change by @hshristov

tns-core-modules/ui/gestures/gestures.d.ts

@@ -44,7 +44,7 @@ export enum GestureTypes {
 }
 
 /**
- * Defines an enum with supported gesture types.
+ * Defines an enum with supported gesture states.
  */
 export enum GestureStateTypes {
     /**
@@ -196,7 +196,7 @@ export interface Pointer {
 }
 
 /**
- * Provides gesture event data for pinch gesture.
+ * Provides gesture event data.
  */
 export interface GestureEventDataWithState extends GestureEventData {
     state: number;

tns-core-modules/ui/html-view/html-view.d.ts

@@ -19,7 +19,7 @@ export class HtmlView extends View {
     /**
      * Gets the native [UILabel](https://developer.apple.com/library/ios/documentation/UIKit/Reference/UILabel_Class/) that represents the user interface for this component. Valid only when running on iOS.
      */
-    ios: any /* UILabel */;
+    ios: any /* UITextView */;
 
     /**
      * Gets or sets html string for the HtmlView.

tns-core-modules/ui/image/image.d.ts

@@ -31,7 +31,7 @@ export class Image extends View {
     src: any;
 
     /**
-     * Gets a value indicating if the image is currently loading
+     * Gets a value indicating if the image is currently loading.
      */
     readonly isLoading: boolean;
 

tns-core-modules/ui/layouts/dock-layout/dock-layout.d.ts

@@ -9,12 +9,12 @@ import { LayoutBase, View, Property } from "../layout-base";
  */
 export class DockLayout extends LayoutBase {
     /**
-     * Gets the value of the Left property from a given View.
+     * Gets the value of the Dock property from a given View.
      */
     static getDock(view: View): Dock;
 
     /**
-     * Sets the value of the Left property from a given View.
+     * Sets the value of the Dock property from a given View.
      */
     static setDock(view: View, value: Dock): void;
 

tns-core-modules/ui/layouts/grid-layout/grid-layout.d.ts

@@ -35,7 +35,7 @@ export class ItemSpec {
     isAuto: boolean;
 
     /** 
-     * Returns true if this ItemSpec instance holds weighted propertion  
+     * Returns true if this ItemSpec instance holds weighted proportion
      * of available space. 
      */
     isStar: boolean;
@@ -107,7 +107,7 @@ export class GridLayout extends LayoutBase {
     public removeColumn(itemSpec: ItemSpec): void;
 
     /**
-     * Removes all columns specification from a GridLayout.
+     * Removes all column specifications from a GridLayout.
      */
     public removeColumns(): void;
 
@@ -117,7 +117,7 @@ export class GridLayout extends LayoutBase {
     public removeRow(itemSpec: ItemSpec): void;
 
     /**
-     * Removes all rows specification from a GridLayout.
+     * Removes all row specifications from a GridLayout.
      */
     public removeRows(): void;
 

tns-core-modules/ui/list-view/list-view.d.ts

@@ -61,8 +61,8 @@ export class ListView extends View {
     /**
      * A function that returns the appropriate ket template based on the data item.
      */
-
     itemTemplateSelector: string | ((item: any, index: number, items: any) => string);
+
     /**
      * Gets or set the items separator line color of the ListView. 
      */

tns-core-modules/ui/page/page-common.ts

@@ -324,7 +324,7 @@ backgroundSpanUnderStatusBarProperty.register(PageBase);
 
 /**
  * Dependency property used to control if swipe back navigation in iOS is enabled.
- * This property is iOS sepecific. Default value: true
+ * This property is iOS specific. Default value: true
  */
 export const enableSwipeBackNavigationProperty = new Property<PageBase, boolean>({ name: "enableSwipeBackNavigation", defaultValue: true, valueConverter: booleanConverter });
 enableSwipeBackNavigationProperty.register(PageBase);

tns-core-modules/ui/page/page.d.ts

@@ -104,7 +104,7 @@ export class Page extends ContentView {
     public actionBarHidden: boolean;
 
     /**
-     * Used to control if swipe back navigation in iOS is enabled. This property is iOS sepecific. Default value: true
+     * Used to control if swipe back navigation in iOS is enabled. This property is iOS specific. Default value: true
      */
     public enableSwipeBackNavigation: boolean;
 
@@ -278,7 +278,7 @@ export const actionBarHiddenProperty: Property<Page, boolean>;
 
 /**
  * Dependency property used to control if swipe back navigation in iOS is enabled.
- * This property is iOS sepecific. Default value: true
+ * This property is iOS specific. Default value: true
  */
 export const enableSwipeBackNavigationProperty: Property<Page, boolean>;
 

tns-core-modules/ui/search-bar/search-bar.d.ts

@@ -68,7 +68,7 @@ export class SearchBar extends View {
     on(event: "close", callback: (args: EventData) => void, thisArg?: any);
 
     /**
-     * Hides the soft input method, ususally a soft keyboard.
+     * Hides the soft input method, usually a soft keyboard.
      */
     dismissSoftInput(): void;
 }

tns-core-modules/ui/tab-view/tab-view.d.ts

@@ -130,5 +130,5 @@ export const tabTextColorProperty: CssProperty<Style, Color>;
 export const tabBackgroundColorProperty: CssProperty<Style, Color>;
 export const selectedTabTextColorProperty: CssProperty<Style, Color>;
 export const androidSelectedTabHighlightColorProperty: CssProperty<Style, Color>;
-export const androidOffscreenTabLimitProperty: Property<TabView, number>
+export const androidOffscreenTabLimitProperty: Property<TabView, number>;
 export const iosIconRenderingModeProperty: Property<TabView, "automatic" | "alwaysOriginal" | "alwaysTemplate">;

tns-core-modules/ui/web-view/web-view.d.ts

@@ -70,7 +70,7 @@ export class WebView extends View {
     goForward();
 
     /**
-     * Reload the current url.
+     * Reloads the current url.
      */
     reload();
 
@@ -101,10 +101,12 @@ export interface LoadEventData extends EventData {
      * Gets the url of the web-view.
      */
     url: string;
+
     /**
      * Gets the navigation type of the web-view.
      */
     navigationType: NavigationType;
+
     /**
      * Gets the error (if any). 
      */