Add multiple recipients support

Author: alois-beto

android/src/main/java/com/betomorrow/rnfilelogger/FileLoggerModule.java

@@ -11,6 +11,7 @@
 import com.facebook.react.bridge.ReactContextBaseJavaModule;
 import com.facebook.react.bridge.ReactMethod;
 import com.facebook.react.bridge.ReadableMap;
+import com.facebook.react.bridge.ReadableArray;
 import com.facebook.react.bridge.WritableArray;
 
 import org.slf4j.Logger;
@@ -166,15 +167,15 @@ public void deleteLogFiles(Promise promise) {
     @ReactMethod
     public void sendLogFilesByEmail(ReadableMap options, Promise promise) {
         try {
-            String to = options.hasKey("to") ? options.getString("to") : null;
+            ReadableArray to = options.hasKey("to") ? options.getArray("to") : null;
             String subject = options.hasKey("subject") ? options.getString("subject") : null;
             String body = options.hasKey("body") ? options.getString("body") : null;
 
             Intent intent = new Intent(Intent.ACTION_SEND_MULTIPLE, Uri.parse("mailto:"));
             intent.setType("plain/text");
 
             if (to != null) {
-                intent.putExtra(Intent.EXTRA_EMAIL, new String[]{to});
+                intent.putExtra(Intent.EXTRA_EMAIL, readableArrayToStringArray(to));
             }
             if (subject != null) {
                 intent.putExtra(Intent.EXTRA_SUBJECT, subject);
@@ -211,4 +212,13 @@ public boolean accept(File dir, String name) {
             }
         });
     }
+
+    private String[] readableArrayToStringArray(ReadableArray r) {
+        int length = r.size();
+        String[] strArray = new String[length];
+        for (int i = 0; i < length; i++) {
+            strArray[i] = r.getString(i);
+        }
+        return strArray;
+  }
 }

ios/FileLogger.m

@@ -79,7 +79,7 @@ - (dispatch_queue_t)methodQueue {
 }
 
 RCT_EXPORT_METHOD(sendLogFilesByEmail:(NSDictionary*)options resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) {
-    NSString* to = options[@"to"];
+    NSArray<NSString*>* to = options[@"to"];
     NSString* subject = options[@"subject"];
     NSString* body = options[@"body"];
 
@@ -91,7 +91,7 @@ - (dispatch_queue_t)methodQueue {
     MFMailComposeViewController* composeViewController = [[MFMailComposeViewController alloc] init];
     composeViewController.mailComposeDelegate = self;
     if (to) {
-        [composeViewController setToRecipients:@[to]];
+        [composeViewController setToRecipients:to];
     }
     if (subject) {
         [composeViewController setSubject:subject];

src/index.ts

@@ -24,7 +24,7 @@ export interface ConfigureOptions {
 }
 
 export interface SendByEmailOptions {
-	to?: string;
+	to?: string | string[];
 	subject?: string;
 	body?: string;
 }
@@ -86,7 +86,12 @@ class FileLoggerStatic {
 	}
 
 	sendLogFilesByEmail(options: SendByEmailOptions = {}): Promise<void> {
-		return RNFileLogger.sendLogFilesByEmail(options);
+		if (options.to) {
+			const to = Array.isArray(options.to) ? options.to : [options.to];
+			return RNFileLogger.sendLogFilesByEmail({ ...options, to });
+		} else {
+			return RNFileLogger.sendLogFilesByEmail(options);
+		}
 	}
 
 	debug(msg: string) {