Angular-cli: Cannot find module 'enhanced-resolve' [windows 10, yarn]

[FaKeller]

OS?

Windows 10

Versions.

angular-cli: 1.0.0-beta.20-3
node: 6.5.0
os: win32 x64

Repro steps.

# Upgrade to beta.20-4
yarn upgrade [email protected]
# checking the version already throws the below exception
ng --version

The log given by the failure.

Cannot find module 'enhanced-resolve/lib/getInnerRequest'
Error: Cannot find module 'enhanced-resolve/lib/getInnerRequest'
    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> (C:\development\projects\cf-mantis\mantis-client\node_modules\@ngtools\webpack\src\paths-plugin.js:6:23)
    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)
    at Module.require (module.js:483:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (C:\development\projects\cf-mantis\mantis-client\node_modules\@ngtools\webpack\src\plugin.js:14:22)
    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)
    at Module.require (module.js:483:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (C:\development\projects\cf-mantis\mantis-client\node_modules\@ngtools\webpack\src\index.js:6:10)
    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)
    at Module.require (module.js:483:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (C:\development\projects\cf-mantis\mantis-client\node_modules\angular-cli\models\webpack-build-typescript.js:5:17)
    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)
    at Module.require (module.js:483:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (C:\development\projects\cf-mantis\mantis-client\node_modules\angular-cli\models\webpack-config.js:2:34)
    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)
    at Module.require (module.js:483:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (C:\development\projects\cf-mantis\mantis-client\node_modules\angular-cli\tasks\build-webpack.js:6:24)
    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)
    at Module.require (module.js:483:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (C:\development\projects\cf-mantis\mantis-client\node_modules\angular-cli\commands\build.js:3:23)
    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)
    at Module.require (module.js:483:17)
    at require (internal/module.js:20:19)
    at Class.includedCommands (C:\development\projects\cf-mantis\mantis-client\node_modules\angular-cli\addon\index.js:21:16)
    at C:\development\projects\cf-mantis\mantis-client\node_modules\angular-cli\angular-cli\lib\models\project.js:392:61
    at Array.forEach (native)
    at Project.addonCommands (C:\development\projects\cf-mantis\mantis-client\node_modules\angular-cli\angular-cli\lib\models\project.js:391:15)
    at Project.eachAddonCommand (C:\development\projects\cf-mantis\mantis-client\node_modules\angular-cli\angular-cli\lib\models\project.js:426:30)
    at module.exports (C:\development\projects\cf-mantis\mantis-client\node_modules\angular-cli\angular-cli\lib\cli\lookup-command.js:33:13)
    at CLI.<anonymous> (C:\development\projects\cf-mantis\mantis-client\node_modules\angular-cli\angular-cli\lib\cli\cli.js:34:26)
    at tryCatch (C:\development\projects\cf-mantis\mantis-client\node_modules\rsvp\dist\rsvp.js:538:12)
    at invokeCallback (C:\development\projects\cf-mantis\mantis-client\node_modules\rsvp\dist\rsvp.js:553:13)
    at publish (C:\development\projects\cf-mantis\mantis-client\node_modules\rsvp\dist\rsvp.js:521:7)
    at flush (C:\development\projects\cf-mantis\mantis-client\node_modules\rsvp\dist\rsvp.js:2373:5)
    at _combinedTickCallback (internal/process/next_tick.js:67:7)
    at process._tickCallback (internal/process/next_tick.js:98:9)

Mention any other details that might be useful.

The problem seems to be related to yarn install, as installing with npm install does not rise an exception.

[hansl]

We haven't officially supported yarn yet. Many users are saying it works, but we'd need a lot more experimentation before we can commit to investigate those bugs. It's on our plate for RC, so stay tuned. Closing this for now.

[0cv]

That's strangely the error I'm getting on 1.0.0-beta.22-1 (working fine for 1.0.0-beta.20-4). However not when I install it, but when I run it (ng build --prod --aot). Not sure whether that's related or I shall open a new issue for this ...

[yfain]

I'm getting the same error on ng serve on beta.21. Used to work on beta 20.4. After running

npm install enhanced-resolve

ng serve started working.

I guess, this is the yarn issue.

[tarlepp]

There is open issue on yarn repository about this too https://github.com/yarnpkg/yarn/issues/785

[mirkonasato]

I'm getting the same error using npm (not yarn) when trying to use @ngtools/webpack in a project that doesn't use the Angular CLI.

Installing enhanced-resolve fixes it.

So perhaps the problem is that @ngtools/webpack doesn't declare enhanced-resolve in its dependencies?

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