fix(platform-apple-helpers): harden Xcode 27 Device Hub simulator launching - #731
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Follow-up to callstackincubator#728, which added the Device Hub fallback: - Only pass -CurrentDeviceUDID to Simulator.app when the device is not booted yet, to avoid the "Unable to boot device in current state: Booted" alert for an already booted device. - Fall back to opening DeviceHub.app directly if the devices:// URL scheme is rejected. - Warn instead of throwing when neither Simulator.app nor DeviceHub.app is found; the app can still be installed and launched via simctl. - Add tests for launchSimulator. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Summary
Follow-up to #728, which added the Device Hub fallback for Xcode 27 (refs #730).
This hardens
launchSimulatorand adds test coverage for it.Changes
-CurrentDeviceUDIDfor an already booted device. Passing it to Simulator.app for a booted device makes it re-attempt the boot and can pop an "Unable to boot device in current state: Booted" alert on every run (run-ios: "Unable to boot device in current state: Booted" alert when the simulator is already booted react-native-community/cli#2820). The flag is now passed only whendevice.state !== 'Booted'; for a booted device Simulator.app is just brought to the front.devices://deep link is rejected. Ifopen devices://device/open?id=<udid>fails, openDeviceHub.app(<Xcode>/Contents/Applications/DeviceHub.app) directly instead of aborting the run.launchSimulatorruns in aPromise.allwith the build, so a rejectedopenaborted the wholerun:ios. The app still installs and launches headless viasimctl, so a missing GUI is now a warning.runOnSimulator.test.ts, and a patch Changeset.Test plan
pnpm vitest run --root packages/platform-apple-helpers(38 tests, 6 new)tsc --noEmit -p tsconfig.lib.json, eslint and prettier on the changed filesSimulator.appabsent:launchSimulatorfor a shut-down iPhone 17 (iOS 27.0) opened Device Hub (window "iPhone 17 – iOS 27.0") and booted the device; for an already booted device it only ran thedevices://deep link (exit 0) and skippedsimctl boot.-CurrentDeviceUDIDand booted; already booted device ran plainopen Simulator.app, no alert.Notes
DeviceHubasSimulatorreplacement for Xcode 27+ expo/expo#46757). Kept Simulator first here so stable Xcode users take the unchanged path.🤖 Generated with Claude Code