Building Angular 6 library fails, with a vague error.

[Sam Amin]

Hi, 

I generated an angular 6 library, using the CLI. Then refactored some code into it. 

Now I'm getting the below error when I build. I can't understand the error, and searching online has not given me any clear indication why this is failing.

 Has anyone seen this before? Obfuscated some names in the log below.

Building Angular Package

Building entry point '****-web-lib'

Rendering Stylesheets

Rendering Templates

Compiling TypeScript sources through ngc

BUILD ERROR

Error during template compile of 'Injectable'

  Function calls are not supported in decorators but 'ɵmakeDecorator' was called.

Error during template compile of 'Injectable'

  Function calls are not supported in decorators but 'ɵmakeDecorator' was called.

Error during template compile of 'Injectable'

  Function calls are not supported in decorators but 'ɵmakeDecorator' was called.

Error during template compile of 'Injectable'

  Function calls are not supported in decorators but 'ɵmakeDecorator' was called.

Error during template compile of 'Injectable'

  Function calls are not supported in decorators but 'ɵmakeDecorator' was called.

Error during template compile of 'Injectable'

  Function calls are not supported in decorators but 'ɵmakeDecorator' was called.

@angular\core\core.ts(194,50): Error during template compile of 'NgModule'

  Function calls are not supported in decorators.

................................

..................................

Error during template compile of 'Injectable'

  Function calls are not supported in decorators but 'ɵmakeDecorator' was called.

at Object.<anonymous> (C:\Users\****\source\repos\****-web-ui\webapp\node_modules\ng-packagr\lib\ngc\compile-source-files.js:53:68)
at Generator.next (<anonymous>)
at C:\Users\****\source\repos\****-web-ui\webapp\node_modules\ng-packagr\lib\ngc\compile-source-files.js:7:71
at new Promise (<anonymous>)
at __awaiter (C:\Users\****\source\repos\****-web-ui\webapp\node_modules\ng-packagr\lib\ngc\compile-source-files.js:3:12)
at Object.compileSourceFiles (C:\Users\****\source\repos\****-web-ui\webapp\node_modules\ng-packagr\lib\ngc\compile-source-files.js:19:12)
at Object.<anonymous> (C:\Users\****\source\repos\****-web-ui\webapp\node_modules\ng-packagr\lib\ng-v5\entry-point\ts\compile-ngc.transform.js:26:32)
at Generator.next (<anonymous>)
at C:\Users\****\source\repos\****-web-ui\webapp\node_modules\ng-packagr\lib\ng-v5\entry-point\ts\compile-ngc.transform.js:7:71
at new Promise (<anonymous
	
	Thanks
	Sam

[Sander Elias]

Hi Sam,

I think you can find your answer in this issue

Regards

Sander

[Sam Amin]

Hi Sander,

Problem with this article is it discusses issues with building an application, that is using a custom library.

My issue occurs when building the custom library itself, haven't even tried to link it yet.
so for example in the article, they're changing the tsconfig file of the main application.

Thanks

Sam

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[Sander Elias]

Hi Sam,

Hmm, I see. Can you provide a minimal reproduction where I can take a stab at?

Regards

Sander