feat: init commit

Author: wn-na

package.json

@@ -0,0 +1,23 @@
+{
+  "name": "react-native-is-multi-window",
+  "version": "1.0.0",
+  "description": "check if the current app is multiwindow",
+  "main": "index.ts",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/wn-na/react-native-is-multi-window.git"
+  },
+  "keywords": [
+    "react-native",
+    "multiwindow"
+  ],
+  "author": "wn-na",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/wn-na/react-native-is-multi-window/issues"
+  },
+  "homepage": "https://github.com/wn-na/react-native-is-multi-window#readme"
+}

src/index.tsx

@@ -0,0 +1,46 @@
+import { useEffect, useState } from "react";
+import { NativeEventEmitter, NativeModules, Platform } from "react-native";
+
+const LINKING_ERROR =
+    `The package 'react-native-is-multi-window' doesn't seem to be linked. Make sure: \n\n` +
+    Platform.select({ ios: "- You have run 'pod install'\n", default: "" }) +
+    "- You rebuilt the app after installing the package\n";
+
+const ReactNativeIsMultiWindowModule = NativeModules.ReactNativeIsMultiWindow
+    ? NativeModules.ReactNativeIsMultiWindow
+    : new Proxy(
+          {},
+          {
+              get() {
+                  throw new Error(LINKING_ERROR);
+              },
+          }
+      );
+
+const ReactNativeIsMultiWindowEmitter = Platform.OS === "ios" || Platform.OS === "android" ? new NativeEventEmitter(ReactNativeIsMultiWindowModule) : undefined;
+
+const addListener = (callback: (isMultiMode: boolean) => void): number => {
+    return 0;
+};
+
+const removeListener = (id: number) => {};
+
+export const isMultiWindowMode = async () => {
+    return true;
+};
+
+export const useMultiWindowMode = () => {
+    const [isMultiMode, setMultiMode] = useState(false);
+
+    useEffect(() => {
+        isMultiWindowMode().then(setMultiMode);
+        const listener = addListener((mode) => {
+            setMultiMode(mode);
+        });
+        return () => {
+            removeListener(listener);
+        };
+    }, []);
+
+    return { isMultiMode, isMultiWindowMode };
+};