fix: direction is now a number allowing masks

Author: farfromrefug

src/gesturehandler.android.ts

@@ -165,7 +165,7 @@ export abstract class Handler<T extends com.swmansion.gesturehandler.GestureHand
     hitSlop;
     @nativeProperty enabled: boolean;
     @nativeProperty shouldCancelWhenOutside: boolean;
-    shouldStartGesture:(arg)=>boolean
+    shouldStartGesture: (arg) => boolean;
     manager: WeakRef<Manager>;
     touchListener: com.swmansion.gesturehandler.OnTouchEventListener<T>;
 
@@ -343,6 +343,13 @@ export class PinchGestureHandler extends Handler<com.swmansion.gesturehandler.Pi
     }
 }
 
+export enum FlingDirection {
+    DIRECTION_LEFT = com.swmansion.gesturehandler.GestureHandler.DIRECTION_LEFT,
+    DIRECTION_UP = com.swmansion.gesturehandler.GestureHandler.DIRECTION_UP,
+    DIRECTION_DOWN = com.swmansion.gesturehandler.GestureHandler.DIRECTION_DOWN,
+    DIRECTION_RIGHT = com.swmansion.gesturehandler.GestureHandler.DIRECTION_RIGHT,
+}
+
 function directionToString(direction: number) {
     switch (direction) {
         case com.swmansion.gesturehandler.GestureHandler.DIRECTION_RIGHT:
@@ -371,7 +378,7 @@ function directionFromString(direction: string) {
 
 export class FlingGestureHandler extends Handler<com.swmansion.gesturehandler.FlingGestureHandler, TapGestureHandlerOptions> {
     @nativeProperty numberOfPointers: number;
-    @nativeProperty({ converter: { fromNative: directionToString, toNative: directionFromString } }) direction: string;
+    @nativeProperty direction: number;
     createNative(options) {
         return new com.swmansion.gesturehandler.FlingGestureHandler();
     }

src/gesturehandler.d.ts

@@ -6,6 +6,13 @@ import { HandlerType, OptionsTypeMap, TypeMap } from './gesturehandler.common';
 export { GestureState, GestureHandlerStateEvent, GestureHandlerTouchEvent, GestureStateEventData, GestureTouchEventData, HandlerType } from './gesturehandler.common';
 // export * from './gesturehandler.ios';
 
+export enum FlingDirection {
+    DIRECTION_LEFT ,
+    DIRECTION_UP,
+    DIRECTION_DOWN,
+    DIRECTION_RIGHT,
+}
+
 export abstract class BaseNative<T, U extends {}> extends Observable {
     options?: U;
     native: T;
@@ -115,11 +122,11 @@ export class LongPressGestureHandler extends Handler<any, LongPressGestureHandle
 }
 export interface FlingGestureHandlerOptions extends HandlerOptions {
     numberOfPointers?: number;
-    direction?: string;
+    direction?: number;
 }
 export class FlingGestureHandler extends Handler<any, FlingGestureHandlerOptions> {
     numberOfPointers: number;
-    direction: string;
+    direction: number;
 }
 export interface PinchGestureHandlerOptions extends HandlerOptions {}
 export class PinchGestureHandler extends Handler<any, PinchGestureHandlerOptions> {}

src/gesturehandler.ios.ts

@@ -21,6 +21,13 @@ import {
 import { observe as gestureObserve } from './gestures_override';
 export { GestureState, GestureHandlerStateEvent, GestureHandlerTouchEvent, GestureStateEventData, GestureTouchEventData, HandlerType, ViewInitEvent, ViewDisposeEvent };
 
+export enum FlingDirection {
+    DIRECTION_LEFT = UISwipeGestureRecognizerDirection.Left,
+    DIRECTION_UP = UISwipeGestureRecognizerDirection.Up,
+    DIRECTION_DOWN = UISwipeGestureRecognizerDirection.Down,
+    DIRECTION_RIGHT = UISwipeGestureRecognizerDirection.Right,
+}
+
 let installed = false;
 export function install(overrideNGestures = false) {
     if (installed) {