update canShow to the latest version

Author: Elena Hristova

src/platforms/ios/Podfile

@@ -1,3 +1,3 @@
 pod 'FBSDKCoreKit', '~> 4.7'
 pod 'FBSDKLoginKit', '~> 4.7'
-pod 'FBSDKShareKit', '4.38.1'
+pod 'FBSDKShareKit', '~> 4.39.1'

src/platforms/ios/typings/objc!FBSDKShareKit.d.ts

@@ -217,14 +217,14 @@ declare class FBSDKAppInviteDialog extends NSObject {
 
 	static showWithContentDelegate(content: FBSDKAppInviteContent, delegate: FBSDKAppInviteDialogDelegate): FBSDKAppInviteDialog;
 
+	readonly canShow: boolean;
+
 	content: FBSDKAppInviteContent;
 
 	delegate: FBSDKAppInviteDialogDelegate;
 
 	fromViewController: UIViewController;
 
-	canShow(): boolean;
-
 	show(): boolean;
 
 	validateWithError(): boolean;
@@ -455,14 +455,14 @@ declare class FBSDKGameRequestDialog extends NSObject {
 
 	static showWithContentDelegate(content: FBSDKGameRequestContent, delegate: FBSDKGameRequestDialogDelegate): FBSDKGameRequestDialog;
 
+	readonly canShow: boolean;
+
 	content: FBSDKGameRequestContent;
 
 	delegate: FBSDKGameRequestDialogDelegate;
 
 	frictionlessRequestsEnabled: boolean;
 
-	canShow(): boolean;
-
 	show(): boolean;
 
 	validateWithError(): boolean;
@@ -734,6 +734,8 @@ declare class FBSDKMessageDialog extends NSObject implements FBSDKSharingDialog
 
 	static showWithContentDelegate(content: FBSDKSharingContent, delegate: FBSDKSharingDelegate): FBSDKMessageDialog;
 
+	readonly canShow: boolean; // inherited from FBSDKSharingDialog
+
 	readonly debugDescription: string; // inherited from NSObjectProtocol
 
 	delegate: FBSDKSharingDelegate; // inherited from FBSDKSharing
@@ -752,8 +754,6 @@ declare class FBSDKMessageDialog extends NSObject implements FBSDKSharingDialog
 
 	readonly  // inherited from NSObjectProtocol
 
-	canShow(): boolean;
-
 	class(): typeof NSObject;
 
 	conformsToProtocol(aProtocol: any /* Protocol */): boolean;
@@ -848,6 +848,8 @@ declare class FBSDKShareAPI extends NSObject implements FBSDKSharing {
 
 	accessToken: FBSDKAccessToken;
 
+	readonly canShare: boolean;
+
 	graphNode: string;
 
 	message: string;
@@ -870,8 +872,6 @@ declare class FBSDKShareAPI extends NSObject implements FBSDKSharing {
 
 	readonly  // inherited from NSObjectProtocol
 
-	canShare(): boolean;
-
 	class(): typeof NSObject;
 
 	conformsToProtocol(aProtocol: any /* Protocol */): boolean;
@@ -1068,6 +1068,8 @@ declare class FBSDKShareDialog extends NSObject implements FBSDKSharingDialog {
 
 	mode: FBSDKShareDialogMode;
 
+	readonly canShow: boolean; // inherited from FBSDKSharingDialog
+
 	readonly debugDescription: string; // inherited from NSObjectProtocol
 
 	delegate: FBSDKSharingDelegate; // inherited from FBSDKSharing
@@ -1086,8 +1088,6 @@ declare class FBSDKShareDialog extends NSObject implements FBSDKSharingDialog {
 
 	readonly  // inherited from NSObjectProtocol
 
-	canShow(): boolean;
-
 	class(): typeof NSObject;
 
 	conformsToProtocol(aProtocol: any /* Protocol */): boolean;
@@ -2422,7 +2422,7 @@ declare var FBSDKSharingDelegate: {
 
 interface FBSDKSharingDialog extends FBSDKSharing {
 
-	canShow(): boolean;
+	canShow: boolean;
 
 	show(): boolean;
 }

src/share-manager.ios.ts

@@ -150,7 +150,7 @@ export function canShareDialogShow(content: any): boolean {
     if (content) {
         const dialog = getShareDialog();
         getShareDialog().shareContent = content;
-        return dialog.canShow();
+        return dialog.canShow;
     }
     return false;
 }
@@ -169,7 +169,7 @@ export function canMessageDialogShow(content: any): boolean {
     if (content) {
         const dialog = getMessageDialog();
         getMessageDialog().shareContent = content;
-        return dialog.canShow();
+        return dialog.canShow;
     }
     return false;
 }