fix: use supported simctl diagnose arguments for iOS crash capture

Author: V3RON

apps/playground/rn-harness.config.mjs

@@ -82,7 +82,7 @@ export default {
     }),
     applePlatform({
       name: 'ios-crash-pre-rn',
-      device: appleSimulator('iPhone 16 Pro', '18.6'),
+      device: appleSimulator('iPhone 17 Pro', '26.2'),
       bundleId: 'com.harnessplayground',
       appLaunchOptions: {
         environment: {
@@ -92,7 +92,7 @@ export default {
     }),
     applePlatform({
       name: 'ios-crash-delayed',
-      device: appleSimulator('iPhone 16 Pro', '18.6'),
+      device: appleSimulator('iPhone 17 Pro', '26.2'),
       bundleId: 'com.harnessplayground',
       appLaunchOptions: {
         environment: {

packages/platform-ios/src/__tests__/crash-diagnostics.test.ts

@@ -14,7 +14,7 @@ describe('collectCrashArtifacts', () => {
 
   it('collects simulator crash artifacts from simctl diagnose output', async () => {
     const outputRoot = fs.mkdtempSync(
-      join(tmpdir(), 'rn-harness-simctl-diagnose-')
+      join(tmpdir(), 'rn-harness-simctl-diagnose-'),
     );
     const crashPath = join(outputRoot, 'HarnessPlayground.ips');
     fs.writeFileSync(
@@ -36,14 +36,14 @@ describe('collectCrashArtifacts', () => {
           },
         }),
       ].join('\n'),
-      'utf8'
+      'utf8',
     );
 
     vi.spyOn(simctl, 'diagnose').mockImplementation(
       async (_udid, outputDir) => {
         fs.mkdirSync(outputDir, { recursive: true });
         fs.copyFileSync(crashPath, join(outputDir, 'HarnessPlayground.ips'));
-      }
+      },
     );
 
     const artifacts = await collectCrashArtifacts({
@@ -67,7 +67,7 @@ describe('collectCrashArtifacts', () => {
 
   it('collects device crash artifacts from systemCrashLogs before falling back to diagnose', async () => {
     const outputRoot = fs.mkdtempSync(
-      join(tmpdir(), 'rn-harness-devicectl-crash-logs-')
+      join(tmpdir(), 'rn-harness-devicectl-crash-logs-'),
     );
     const crashPath = join(outputRoot, 'HarnessPlayground.crash');
     fs.writeFileSync(
@@ -78,7 +78,7 @@ describe('collectCrashArtifacts', () => {
         'Date/Time:             2026-03-12 11:35:08 +0000',
         'Exception Type:        EXC_CRASH (SIGABRT)',
       ].join('\n'),
-      'utf8'
+      'utf8',
     );
 
     vi.spyOn(devicectl, 'listFiles').mockResolvedValue([
@@ -87,7 +87,7 @@ describe('collectCrashArtifacts', () => {
     vi.spyOn(devicectl, 'copyFileFrom').mockImplementation(
       async (_deviceId, options) => {
         fs.copyFileSync(crashPath, options.destination);
-      }
+      },
     );
     const diagnoseSpy = vi
       .spyOn(devicectl, 'diagnose')
@@ -113,7 +113,7 @@ describe('collectCrashArtifacts', () => {
 
   it('persists matched crash artifacts with the provided writer', async () => {
     const sourceRoot = fs.mkdtempSync(
-      join(tmpdir(), 'rn-harness-crash-diagnostics-')
+      join(tmpdir(), 'rn-harness-crash-diagnostics-'),
     );
     const sourcePath = join(sourceRoot, 'HarnessPlayground.ips');
     fs.writeFileSync(
@@ -135,14 +135,14 @@ describe('collectCrashArtifacts', () => {
           },
         }),
       ].join('\n'),
-      'utf8'
+      'utf8',
     );
 
     vi.spyOn(simctl, 'diagnose').mockImplementation(
       async (_udid, outputDir) => {
         fs.mkdirSync(outputDir, { recursive: true });
         fs.copyFileSync(sourcePath, join(outputDir, 'HarnessPlayground.ips'));
-      }
+      },
     );
 
     const writer = createCrashArtifactWriter({

packages/platform-ios/src/__tests__/simctl.test.ts

@@ -18,7 +18,7 @@ describe('simctl startup', () => {
     expect(spawnSpy).toHaveBeenCalledWith(
       'xcrun',
       ['simctl', 'bootstatus', 'sim-udid', '-b'],
-      { signal }
+      { signal },
     );
   });
 
@@ -29,15 +29,19 @@ describe('simctl startup', () => {
 
     await diagnose('sim-udid', '/tmp/sim-diagnose-output');
 
-    expect(spawnSpy).toHaveBeenCalledWith('xcrun', [
-      'simctl',
-      'diagnose',
-      '--udid',
-      'sim-udid',
-      '--no-archive',
-      '--output',
-      '/tmp/sim-diagnose-output',
-      '-b',
-    ]);
+    expect(spawnSpy).toHaveBeenCalledWith(
+      'xcrun',
+      [
+        'simctl',
+        'diagnose',
+        '--udid=sim-udid',
+        '--no-archive',
+        '--output=/tmp/sim-diagnose-output',
+        '-b',
+      ],
+      {
+        stdin: { string: '\n' },
+      },
+    );
   });
 });

packages/platform-ios/src/crash-diagnostics.ts

@@ -208,7 +208,7 @@ const parseCrashArtifacts = ({
       return artifact;
     })
     .filter((artifact): artifact is DiagnosedCrashArtifact =>
-      Boolean(artifact)
+      Boolean(artifact),
     );
 
   return candidates.sort((left, right) => {
@@ -252,7 +252,7 @@ const collectPhysicalCrashArtifacts = async ({
       recursive: true,
     });
     const filteredCrashLogPaths = remoteCrashLogPaths.filter((remotePath) =>
-      processNames.some((processName) => remotePath.includes(processName))
+      processNames.some((processName) => remotePath.includes(processName)),
     );
 
     if (filteredCrashLogPaths.length > 0) {
@@ -311,7 +311,7 @@ const collectPhysicalCrashArtifacts = async ({
 };
 
 export const collectCrashArtifacts = async (
-  options: CollectCrashArtifactsOptions
+  options: CollectCrashArtifactsOptions,
 ): Promise<DiagnosedCrashArtifact[]> => {
   crashDiagnosticsLogger.debug('collecting crash artifacts: %o', {
     targetId: options.targetId,
@@ -360,7 +360,7 @@ export const waitForCrashArtifact = async ({
     }
 
     await new Promise((resolve) =>
-      setTimeout(resolve, CRASH_ARTIFACT_POLL_INTERVAL_MS)
+      setTimeout(resolve, CRASH_ARTIFACT_POLL_INTERVAL_MS),
     );
   } while (true);
 };