[BUG] ng-packagr cannot load a less file from a component less file

Type of Issue

[X ] Bug Report
[ ] Feature Request

Description

Importing a less or a CSS file contained in node_modules from a component cause a building error indicating “resource is missing”

    BUILD ERROR
    Ignoring local @import of "../../node_modules/sg-bootstrap/less/themes/standard/colors.less" as resource is missing

How To Reproduce

1. Create a component with a less style file
2. Import a less or css file provided in the node_modules folder
3. Try to package the application

Expected Behaviour

A succesful build

Version Information

$ node_modules/.bin/ng-packagr --version
ng-packagr: 2.4.2
@angular/*: 5.2.9
typescript: 2.5.3
node: 8.9.1
npm: 5.6.0

[xmlking]

If you are using angular-cli , @import '~filepond/dist/filepond.css'; works for ng serve without any modification Then problem is we cannot package using ng-packagr

[proAppleEater]

We had a similar issue. We fixed it. Posting in case this could help your case.

We had an import from bootstrap that is an node module. We had @import “~bootstrap/scss/mixins”; This caused an error when trying to package using ng-packgr In bootstrap, mixins is a folder AND a file (the file has a underscore _mixins.scss) By specifying the underscore, this solved our issue : @import “~bootstrap/scss/_mixins”;