TypeError: Cannot read property 'apply' of undefined in CachedInputFileSystem.js

[torsten-simon]

Versions

Angular CLI: 1.6.8
Node: 8.9.4
OS: win32 x64
Angular: 5.2.4
... animations, common, compiler, compiler-cli, core, forms
... http, platform-browser, platform-browser-dynamic, router

@angular/cli: 1.6.8
@angular-devkit/build-optimizer: 0.0.42
@angular-devkit/core: 0.0.29
@angular-devkit/schematics: 0.0.52
@ngtools/json-schema: 1.1.0
@ngtools/webpack: 1.9.8
@schematics/angular: 0.1.17
typescript: 2.4.2
webpack: 3.10.0

Repro steps

Running ng server or ng build on the project
Use the repository from here:
https://github.com/tsimon-edu-sharing/cli-sample

Observed behavior

** NG Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **
 95% emittingC:\Users\project\node_modules\enhanced-resolve\lib\CachedInputFileSystem.js:70
                                callback.apply(null, data);
                                         ^

TypeError: Cannot read property 'apply' of undefined
    at C:\Users\project\node_modules\enhanced-resolve\lib\CachedInputFileSystem.js:70:14
    at _combinedTickCallback (internal/process/next_tick.js:131:7)
    at process._tickCallback (internal/process/next_tick.js:180:9)

Desired behavior

Should run / build, or give a more useful error

Mention any other details that might be useful (optional)

Reason seems to have something to do with including the font stylesheet via the angular-cli.json

[JoshDSommer]

I'm having the same problem with the latest version of the Angular CLI (1.6.8). I've resolved this by temporarily setting the Angular CLI version in my package.json to 1.6.7

[d2kx]

Yep. Same.

[torsten-simon]

Thanks @TheOriginalJosh , that helped for now!

[ukon1990]

Hmm odd.. I seemed to have the same issue. but then it was suddenly gone... Can't say that I did any changes other than trying to revert stuff to older versions and then resat it back to where it all started.

[n1ebrown]

Pinning to 1.6.7 addressed the issue for now.

[micahwood]

I experienced this issue briefly while still on 1.6.6, and like everyone else it went away on it's own.

[micahwood]

Looks like it was an issue with copy-webpack-plugin@4.4.0. Once it started working again it installed 4.4.1 which fixed this issue.

webpack-contrib/copy-webpack-plugin#221

[hansl]

Closing this as fixed in copy-webpack-plugin. Please update your node_modules folder and you should be good to go.

[leenMalka]

@TheOriginalJosh
Hey I tried your answer to change version of angular/cli
but the still throw this error

95% emittingX:\NewClalWeb\base-project\node_modules\enhanced-resolve\lib\CachedInputFileSystem.js:70
callback.apply(null, data);
^
TypeError: Cannot read property 'apply' of undefined

at X:\NewClalWeb\base-project\node_modules\enhanced-resolve\lib\CachedInputFileSystem.js:70:14

at _combinedTickCallback (internal/process/next_tick.js:131:7)

at process._tickCallback (internal/process/next_tick.js:180:9)

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