Adding Material to a Library Project (Could not find the project main file inside of the workspace config)

[epaitz]

I am trying to build an Angular Library project that has Material installed. It was not working in my original project so I decided to create a new workspace and library project from scratch. Here are the commands I used.

ng new test-workspace --create-application=false
cd .\test-workspace\
ng generate library test
ng add @angular/material
Installing packages for tooling via npm.
Installed packages for tooling via npm.
? Choose a prebuilt theme name, or "custom" for a custom theme: Indigo/Pink
? Set up global Angular Material typography styles? Yes
? Set up browser animations for Angular Material? Yes
UPDATE package.json (1434 bytes)
√ Packages installed successfully.
Could not find the project main file inside of the workspace config (projects/test/src)

After this step I was going to add the following...

    "@angular/cdk": "^9.2.1",
    "@angular/material": "^9.2.1

...to the peerDependencies of test-workspace\projects\test\package.json but I do not know what do to do with the error I received after trying to install Material. Is this more of a warning than an error?

Could not find the project main file inside of the workspace config (projects/test/src)

Any help would be greatly appreciated.

Thanks

Angular CLI: 9.1.1
Node: 12.16.1
OS: win32 x64

Angular: 9.1.2
... animations, common, compiler, compiler-cli, core, forms
... language-service, platform-browser, platform-browser-dynamic
... router
Ivy Workspace: Yes

Package                            Version
------------------------------------------------------------
@angular-devkit/architect          0.901.1
@angular-devkit/build-angular      0.901.1
@angular-devkit/build-ng-packagr   0.901.1
@angular-devkit/build-optimizer    0.901.1
@angular-devkit/build-webpack      0.901.1
@angular-devkit/core               9.1.1
@angular-devkit/schematics         9.1.1
@angular/cdk                       9.2.1
@angular/cli                       9.1.1
@angular/material                  9.2.1
@ngtools/webpack                   9.1.1
@schematics/angular                9.1.1
@schematics/update                 0.901.1
ng-packagr                         9.1.1
rxjs                               6.5.5
typescript                         3.8.3
webpack                            4.42.0

[Nathan-Froeh]

I'm having this problem as well, I was on version 8.3.23 and just updated to latest (9.1.4) but no change.
Any workaround's or fixes?

[DrJuriko]

The same problem...

[devversion]

Thanks for all the reports. We have a fix PR pending for this. I'd be interested in knowing how this only came up now? Hasn't this error surfaced in the past too? (maybe there is an issue and I just didn't see).

[DrJuriko]

Yesterday I refreshed my angular env with latest and tried to create my first library. To be honest, I tried to add "ngx-bootstrap": "^5.6.1". My angular env:

Angular CLI: 9.1.4
Node: 12.8.1
OS: win32 x64

Angular: 9.1.4
... animations, cli, common, compiler, compiler-cli, core, forms
... language-service, platform-browser, platform-browser-dynamic
... router
Ivy Workspace: Yes

Package Version

@angular-devkit/architect 0.901.4
@angular-devkit/build-angular 0.901.4
@angular-devkit/build-ng-packagr 0.901.4
@angular-devkit/build-optimizer 0.901.4
@angular-devkit/build-webpack 0.901.4
@angular-devkit/core 9.1.4
@angular-devkit/schematics 9.1.4
@ngtools/webpack 9.1.4
@schematics/angular 9.1.4
@schematics/update 0.901.4
ng-packagr 9.1.2
rxjs 6.5.5
typescript 3.8.3
webpack 4.42.0

[zmzimpl]

The same problem when i am trying to ng add ng-zorro-antd

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