What is it about

The goal is to create 3 angular libraries. The lib2 and lib3 library depend on the lib1 library.

Installation

Use the package manager npm to install foobar and ng to build the librairies

Install and build the lib1

cd lib1
npm install
ng build

Create Symlink of the lib1

cd lib1/dist/libs/lib1
npm link

Install and build the lib2

cd lib2
npm install
npm link @libs/lib1
ng build

You should get an error here:

[error] Error: : Unexpected value 'Lib1Module in D:/Documents/multiple-angular-lib/lib1/dist/libs/lib1/libs-lib1.d.ts' imported by the module 'Lib2Module in D:/Documents/multiple-angular-lib/lib2/projects/libs/lib2/src/lib/lib2.module.ts'. Please add a @NgModule annotation.

    at Object.<anonymous> (D:\Documents\multiple-angular-lib\lib2\node_modules\ng-packagr\lib\ngc\compile-source-files.js:73:19)
    at Generator.next (<anonymous>)
    at fulfilled (D:\Documents\multiple-angular-lib\lib2\node_modules\ng-packagr\lib\ngc\compile-source-files.js:4:58)