feat: background download plugin and dep

apps/expo/app.config.ts

@@ -1,6 +1,7 @@
 import type { ExpoConfig } from "expo/config";
 
 import withRemoveiOSNotificationEntitlement from "./config-plugins/withRemoveiOSNotificationEntitlement";
+import withRNBackgroundDownloader from "./config-plugins/withRNBackgroundDownloader";
 import { version } from "./package.json";
 
 const defineConfig = (): ExpoConfig => ({
@@ -49,6 +50,7 @@ const defineConfig = (): ExpoConfig => ({
   plugins: [
     "expo-router",
     [withRemoveiOSNotificationEntitlement as unknown as string],
+    [withRNBackgroundDownloader as unknown as string],
     [
       "expo-screen-orientation",
       {

apps/expo/config-plugins/withRNBackgroundDownloader.js

@@ -0,0 +1,48 @@
+const { withAppDelegate } = require("@expo/config-plugins");
+
+function withRNBackgroundDownloader(expoConfig) {
+  return withAppDelegate(expoConfig, async (appDelegateConfig) => {
+    const { modResults: appDelegate } = appDelegateConfig;
+    const appDelegateLines = appDelegate.contents.split("\n");
+
+    // Define the code to be added to AppDelegate.mm
+    const backgroundDownloaderImport =
+      "#import <RNBackgroundDownloader.h> // Required by react-native-background-downloader. Generated by expoPlugins/withRNBackgroundDownloader.js";
+    const backgroundDownloaderDelegate = `\n// Delegate method required by react-native-background-downloader. Generated by expoPlugins/withRNBackgroundDownloader.js
+- (void)application:(UIApplication *)application handleEventsForBackgroundURLSession:(NSString *)identifier completionHandler:(void (^)(void))completionHandler
+{
+  [RNBackgroundDownloader setCompletionHandlerWithIdentifier:identifier completionHandler:completionHandler];
+}`;
+
+    // Find the index of the AppDelegate import statement
+    const importIndex = appDelegateLines.findIndex((line) =>
+      /^#import "AppDelegate.h"/.test(line),
+    );
+
+    // Find the index of the last line before the @end statement
+    const endStatementIndex = appDelegateLines.findIndex((line) =>
+      /@end/.test(line),
+    );
+
+    // Insert the import statement if it's not already present
+    if (!appDelegate.contents.includes(backgroundDownloaderImport)) {
+      appDelegateLines.splice(importIndex + 1, 0, backgroundDownloaderImport);
+    }
+
+    // Insert the delegate method above the @end statement
+    if (!appDelegate.contents.includes(backgroundDownloaderDelegate)) {
+      appDelegateLines.splice(
+        endStatementIndex,
+        0,
+        backgroundDownloaderDelegate,
+      );
+    }
+
+    // Update the contents of the AppDelegate file
+    appDelegate.contents = appDelegateLines.join("\n");
+
+    return appDelegateConfig;
+  });
+}
+
+module.exports = withRNBackgroundDownloader;

apps/expo/package.json

@@ -19,6 +19,7 @@
   },
   "dependencies": {
     "@expo/metro-config": "^0.17.3",
+    "@kesha-antonov/react-native-background-downloader": "^3.1.2",
     "@movie-web/api": "*",
     "@movie-web/colors": "*",
     "@movie-web/provider-utils": "*",