Cannot find module 'webpack/lib/node/NodeTemplatePlugin' using cli 1.1.1

[ialexivy]

OS?

@angular/cli: 1.1.1
node: 8.0.0
os: win32 x64 (Windows 10)
@angular/common: 4.1.3
@angular/compiler: 4.1.3
@angular/core: 4.1.3
@angular/forms: 4.1.3
@angular/http: 4.1.3
@angular/platform-browser: 4.1.3
@angular/platform-browser-dynamic: 4.1.3
@angular/router: 4.1.3
@angular/cli: 1.1.1
@angular/compiler-cli: 4.1.3

Repro steps:

1. Install node 8 & @angular/cli: 1.1.1
2. ng new demo
3. npm start

Failure message:

Cannot find module 'webpack/lib/node/NodeTemplatePlugin'
Error: Cannot find module 'webpack/lib/node/NodeTemplatePlugin'
at Function.Module._resolveFilename (module.js:485:15)
at Function.Module._load (module.js:437:25)
at Module.require (module.js:513:17)
at require (internal/module.js:11:18)
at Object. (C:\ng413\demo\node_modules\html-webpack-plugin\lib\compiler.js:11:26)
at Module._compile (module.js:569:30)
at Object.Module._extensions..js (module.js:580:10)
at Module.load (module.js:503:32)
at tryModuleLoad (module.js:466:12)
at Function.Module._load (module.js:458:3)
at Module.require (module.js:513:17)
at require (internal/module.js:11:18)
at Object. (C:\ng413\demo\node_modules\html-webpack-plugin\index.js:7:21)
at Module._compile (module.js:569:30)
at Object.Module._extensions..js (module.js:580:10)
at Module.load (module.js:503:32)

[Markus-Ende]

Had the same problem, but it turned out that I just forgot to delete the new package-lock file introduced with npm 5. Just deleted this and the node_modules and everything worked as expected after npm install.

[thefill]

@Markus-Ende solution worked for me. Thx!

[toddwseattle]

this worked for me as well. might be nice to see a note in the 'upgrading section'.

[ghost]

@Markus-Ende That did the trick, thank you!

[treeder]

Could someone explain why we need to delete the lock file?

[jkyoutsey]

I've deleted my lock file and I still get the error. Every time you do an npm install it's going to add the lock file back.

[klaascuvelier]

I have this same issue with angular-cli@1.2.0, but only on our test server, not locally.

I'm not a fan of removing the package-lock file.
Adding webpack as dev-dependency worked for m (got the idea here webpack/webpack#2060). It's not optimal either, but it seems okay is a temporary fix.

[piernik]

Had the same problem - installing npm i webpack --save-dev sloved it

[nulllpointer]

Thanks, this solved the issue!!!!

[Markus-Ende]

@treeder the package-lock prevented a new webpack version to be installed (it's like the former npm-shrinkwrap). The version defined in the package-lock file beats the version defined in package.json, so npm i just reinstalled the old webpack files. Deleting the package-lock and then running npm i creates a whole new package-lock file with the latest package versions according to package.json. If you just want to refresh webpack, you can just directly install it via npm i webpack --save-devas @piernik said. Directly installing a package always refreshs the package-lock.

For further documentation about the package-lock see the npm lockfiles documentation on docs.npmjs.com

[goeranhomberg]

npm i webpack --save-dev

worked for me. Thx for the hint 👍

[virtual-addy]

@Markus-Ende thank you. You saved my life... I almost went nuts

[Feyrr007]

npm i webpack --save-dev
Workded for me too. Thanks so much!

[MateuszKita]

If somebody will have next issue - "Cannot read property 'thisCompilation' of undefined" after
npm i webpack --save-dev or deleting package-lock.json and reinstalling node_modules
please try

npm remove webpack
npm install webpack@3.11.0

[SerkanSipahi]

after removing the package-lock.json it worked for me, thank you :)

[satvik1986]

Angular Live Development Server is listening on localhost:4300, open your browser on http://localhost:4300/ **
65% building modules 466/507 modules 41 active …modules\core-js\modules_string-html.js× ｢wdm｣: Error: No module factory available for dependency type: ContextElementDependency
at addDependency (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules@angular-devkit\build-angular\node_modules\webpack\lib\Compilation.js:407:12)
at iterationOfArrayCallback (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules@angular-devkit\build-angular\node_modules\webpack\lib\Compilation.js:88:3)
at addDependenciesBlock (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules@angular-devkit\build-angular\node_modules\webpack\lib\Compilation.js:423:5)
at iterationOfArrayCallback (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules@angular-devkit\build-angular\node_modules\webpack\lib\Compilation.js:88:3)
at addDependenciesBlock (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules@angular-devkit\build-angular\node_modules\webpack\lib\Compilation.js:426:5)
at Compilation.processModuleDependencies (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules@angular-devkit\build-angular\node_modules\webpack\lib\Compilation.js:434:4)
at afterBuild (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules@angular-devkit\build-angular\node_modules\webpack\lib\Compilation.js:556:15)
at buildModule.err (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules@angular-devkit\build-angular\node_modules\webpack\lib\Compilation.js:600:11)
at callback (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules@angular-devkit\build-angular\node_modules\webpack\lib\Compilation.js:358:35)
at module.build.error (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules@angular-devkit\build-angular\node_modules\webpack\lib\Compilation.js:394:12)
at resolveDependencies (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules@angular-devkit\build-angular\node_modules\webpack\lib\ContextModule.js:233:4)
at ContextModule.result.resolveDependencies (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules@ngtools\webpack\src\angular_compiler_plugin.js:476:25)
at ContextModule.build (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules@angular-devkit\build-angular\node_modules\webpack\lib\ContextModule.js:158:8)
at Compilation.buildModule (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules@angular-devkit\build-angular\node_modules\webpack\lib\Compilation.js:362:10)
at factory.create (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules@angular-devkit\build-angular\node_modules\webpack\lib\Compilation.js:583:14)
at hooks.afterResolve.callAsync (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules@angular-devkit\build-angular\node_modules\webpack\lib\ContextModuleFactory.js:150:16)
D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules\neo-async\async.js:14
throw new Error('Callback was already called.');
^

Error: Callback was already called.
at throwError (D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules\neo-async\async.js:14:11)
at D:\Working\JainConnection\Dev\JainConnectionWebSite\node_modules\neo-async\async.js:2805:7
at process._tickCallback (internal/process/next_tick.js:61:11)

[HuangHongRui]

npm i webpack --save-dev
worked for me. 3Q 👍

[MsaadAl]

The error you're all facing is only because webpack version, the latest update v4 has a lot of issue, the solution you need is just reinstall webpack again with 3.12.0 and it will work. This version cause a lot of error, and this is the solution I solve the error with. and it works now perfect. I hope that help

[michaelcmundo]

I got the same issue and I tried webpack@3.12.0 but still got that error. But I got this warning when install older version.

npm i webpack@3.12.0 --save-dev
npm WARN @ngtools/webpack@7.0.6 requires a peer of webpack@^4.0.0 but none is installed. You must install peer dependencies yourself.

[aaa123eee]

got same, update to 7.2 helps to me

[ishandutta2007]

For people with different angular/cli:
@piernik 's solution didn't solve it for me,
This did:

npm remove webpack
npm install webpack@3.11.0

My @angular is 5.0.5 and @angular/cli is 1.6.4

[angular-automatic-lock-bot]

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