I just created a new Ionic 2 rc0 app and I was able to run it last night.
However, after putting the computer to sleep while ionic serve was running, trying to start the app today after closing ionic serve yielded this error:
Running 'serve:before' npm script before serve > ionic-hello-world@ watch J:\ionic projects\newionicapp > ionic-app-scripts watch module.js:457 throw err; ^ Error: Cannot find module '../dist/index' at Function.Module._resolveFilename (module.js:455:15) at Function.Module._load (module.js:403:25) at Module.require (module.js:483:17) at require (internal/module.js:20:19) at Object.<anonymous> (J:\ionic projects\newionicapp\node_modules\@ionic\app-scripts\bin\ionic-app-scripts.js:19:3) at Module._compile (module.js:556:32) at Object.Module._extensions..js (module.js:565:10) at Module.load (module.js:473:32) at tryModuleLoad (module.js:432:12) at Function.Module._load (module.js:424:3) npm ERR! Windows_NT 10.0.10586 npm ERR! argv "J:\\Program Files (x86)\\nodejs\\node.exe" "C:\\Users\\rosst\\AppData\\Roaming\\npm\\node_modules\\npm\\bin\\npm-cli.js" "run" "watch" npm ERR! node v6.7.0 npm ERR! npm v3.10.8 npm ERR! code ELIFECYCLE npm ERR! ionic-hello-world@ watch: `ionic-app-scripts watch` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the ionic-hello-world@ watch script 'ionic-app-scripts watch'. npm ERR! Make sure you have the latest version of node.js and npm installed. npm ERR! If you do, this is most likely a problem with the ionic-hello-world package, npm ERR! not with npm itself. npm ERR! Tell the author that this fails on your system: npm ERR! ionic-app-scripts watch npm ERR! You can get information on how to open an issue for this project with: npm ERR! npm bugs ionic-hello-world npm ERR! Or if that isn't available, you can get their info via: npm ERR! npm owner ls ionic-hello-world npm ERR! There is likely additional logging output above. npm ERR! Please include the following file with any support request: npm ERR! J:\rosst\ionic projects\newionicapp\npm-debug.log Caught exception: undefined Mind letting us know? https://github.com/driftyco/ionic-cli/issues If I create a new app, it runs fine. So I think something broke inside my project. But I have no idea what.
node-modulesfolder and then runningnpm installagain....tmpfolder.