Copy Directions enum to JS

src/Directions.ts

@@ -1,3 +1,9 @@
-import RNGestureHandlerModule from './RNGestureHandlerModule';
+export const Directions = {
+  RIGHT: 1,
+  LEFT: 2,
+  UP: 4,
+  DOWN: 8,
+} as const;
 
-export default RNGestureHandlerModule.Direction;
+// eslint-disable-next-line @typescript-eslint/no-redeclare -- backward compatibility; it can be used as a type and as a value
+export type Directions = typeof Directions[keyof typeof Directions];

src/RNGestureHandlerModule.ts

@@ -1,16 +1,18 @@
 import { NativeModules } from 'react-native';
-
 const { RNGestureHandlerModule } = NativeModules;
 
-type Directions = Readonly<{
-  RIGHT: 1;
-  LEFT: 2;
-  UP: 4;
-  DOWN: 8;
-}>;
+if (RNGestureHandlerModule == null) {
+  console.error(
+    `react-native-gesture-handler module was not found. Make sure you're running your app on the native platform and your code is linked properly (cd ios && pod install && cd ..).
+
+    For installation instructions, please refer to https://docs.swmansion.com/react-native-gesture-handler/docs/#installation`
+      .split('\n')
+      .map((line) => line.trim())
+      .join('\n')
+  );
+}
 
 export type RNGestureHandlerModuleProps = {
-  Direction: Directions;
   handleSetJSResponder: (tag: number, blockNativeResponder: boolean) => void;
   handleClearJSResponder: () => void;
   createGestureHandler: (

src/index.ts

@@ -1,4 +1,4 @@
-export { default as Directions } from './Directions';
+export { Directions } from './Directions';
 export { State } from './State';
 export { default as gestureHandlerRootHOC } from './gestureHandlerRootHOC';
 export { default as GestureHandlerRootView } from './GestureHandlerRootView';