Fix for 'No iOS devices connected.' (#1407)

* Fix for 'No iOS devices connected.'

Changed stderr to stdout to fix 'No iOS devices connected.' when attempting run-ios with XCode 12.5.

* Fix for 'No iOS devices connected.' on XCode 12.5.

Fix for 'No iOS devices connected.' error when using 'run-ios --device' on XCode 12.5 with backwards compatibility. Will use stdout for 12.5+ and stderr for older versions.

* Fix for failing tests

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* Changed line to ternary operator

Changed line to ternary to resolve lint errors.

* Update packages/platform-ios/src/commands/runIOS/index.ts

* Update packages/platform-ios/src/commands/runIOS/index.ts

* Fix lint error

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Co-authored-by: Michał Pierzchała <[email protected]>

Author: thang2162

packages/platform-ios/src/commands/runIOS/index.ts

@@ -87,8 +87,10 @@ function runIOS(_: Array<string>, ctx: Config, args: FlagsT) {
 
   let devices;
   try {
+    const out = execa.sync('xcrun', ['xctrace', 'list', 'devices']);
     devices = parseXctraceIOSDevicesList(
-      execa.sync('xcrun', ['xctrace', 'list', 'devices']).stderr,
+      // Xcode 12.5 introduced a change to output the list to stdout instead of stderr
+      out.stderr === '' ? out.stdout : out.stderr,
     );
   } catch (e) {
     logger.warn(