ignoreLogs ( ) // Ignore all log notifications: LogBox. Import from 'react-native' // Ignore log notification by message: LogBox. Ignore logs as a last resort and create a task to fix any logs that are ignored. This is useful when there's a noisy warning that cannot be fixed, like those in a third-party dependency. Additionally, notifications can be hidden on a per-log basis via LogBox.ignoreLogs(). This is useful when giving product demos, for example. These notifications can be hidden using LogBox.ignoreAllLogs().
#JAVASCRIPT MAC EMULATOR FULL#
To view a console error or warnings, tap the notification to view the full screen information about the log and to paginate through all of the logs in the console. Console Errors and Warnings #Ĭonsole errors and warnings are displayed as on-screen notifications with a red or yellow badge, and the number of errors or warning in the console respectively. LogBox is automatically disabled in release (production) builds.
LogBox #Įrrors and warnings in development builds are displayed in LogBox inside your app. To enable them, open the Hardware menu, select Keyboard, and make sure that "Connect Hardware Keyboard" is checked. React Native supports a few keyboard shortcuts in the iOS Simulator. When enabled, most of your edits should be visible within a second or two. Fast Refresh is enabled by default, and you can toggle "Enable Fast Refresh" in the React Native developer menu. While debugging, it can help to have Fast Refresh enabled. Enabling Fast Refresh #įast Refresh is a React Native feature that allows you to get near-instant feedback for changes in your React components.
The Developer Menu is disabled in release (production) builds. Alternatively for Android, you can run the command adb shell input keyevent 82 to open the dev menu (82 being the Menu key code).
#JAVASCRIPT MAC EMULATOR MAC OS#
You can also use the ⌘D keyboard shortcut when your app is running in the iOS Simulator, or ⌘M when running in an Android emulator on Mac OS and Ctrl+M on Windows and Linux. You can access the developer menu by shaking your device or by selecting "Shake Gesture" inside the Hardware menu in the iOS Simulator.
#JAVASCRIPT MAC EMULATOR DOWNLOAD#
You can download the app from GitHub - just scroll down to the Downloads section.Debugging Accessing the In-App Developer Menu # Of course, Javascript isn’t exactly the most efficient environment, so I found the app was using around 100% of one CPU core, but it’s certainly a fun trip down memory lane! However, Internet Explorer and Netscape are installed, as is the ‘Web Sharing Server,’ if you want to play around a bit. The web was quite different 30 years ago - and you wouldn’t be able to open even Google. One thing you can’t do, sadly, is connect to the web. That will force a sync that copies them to the folder on your own Mac. The same also works in reverse if you want to transfer files from the emulator to your Mac: Just open the Unix volume and the macintosh.js folder within it, copy files to that folder, and then quit the app. Rieseberg does caution that there is a “considerable” performance hit for each mounted volume, so one at a time might be advisable. img volume into the same folder and re-open the app. If you want to mount disk images, just place the. Open the Unix volume on the desktop and you’ll find them in there. You can transfer files directly, or mount disk images.Īll you need do is copy files into the macintosh.js folder in your user directory and restart the app. Click on the “Help” button at the bottom of the running app to see instructions. There are also various apps and trials preinstalled, including Photoshop 3, Premiere 4, Illustrator 5.5, StuffIt Expander, the Apple Web Page Construction Kit, and more.īut if you want to load others, you can do that.Ĭan I transfer files from and to the machine? Yes, you can. Namely, Oregon Trail, Duke Nukem 3D, Civilization II, Alley 19 Bowling, Damage Incorporated, and Dungeons & Dragons. You’ll find various games and demos preinstalled, thanks to an old MacWorld Demo CD from 1997. Rieseberg says it should run most Mac OS 8-compatible apps, and even comes with some supplied ones. The underlying emulator is Basilisk II, a 68k Macintosh emulator by Christian Bauer et al, modified and compiled with Emscripten by James Friend. The virtual machine is emulating a 1991 Macintosh Quadra 900 with a Motorola CPU, which Apple used before switching to IBM’s PowerPC architecture in the late 1990s.īear in mind that this is written entirely in JavaScript, so please adjust your expectations. You can also run it on a Windows or Linux machine. The whole thing runs on your Mac as a single, standalone Javascript app… Thanks to Slack developer Felix Rieseberg, you can now run Mac OS 8 on a 1991 Macintosh Quadra 900 without any messing about with separate emulators and OS installs. I love that some people have too much time on their hands.
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